# LemStudio — Full LLM Reference

> Dense fact index of Y Combinator companies tracked by LemStudio. One line per company: name, YC batch, industries, status, team size, YC ID, canonical URL. Optimised for AI Overviews and LLM retrieval.

Last generated: 2026-10-16
Total companies: 6299

## YC Companies

- [.Wave](https://lemstudio.co/yc-companies/wave-30198) — **.Wave** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30198 — Continuous inference for streaming AI models
- [/dev/fast](https://lemstudio.co/yc-companies/dev-fast-31118) — **/dev/fast** · YC Winter 2026 · B2B · Active · team 4 · yc_id:31118 — /dev/fast is the AI-native code forge
- [&AI](https://lemstudio.co/yc-companies/ai-29798) — **&AI** · YC Summer 2024 · B2B, Legal · Active · team 7 · yc_id:29798 — Collaborative workspace for patent litigators
- [10 By 10](https://lemstudio.co/yc-companies/10-by-10-1700) — **10 By 10** · YC Summer 2017 · B2B, Recruiting and Talent · Active · team 5 · yc_id:1700 — 10by10 is a unique marketplace in the recruiting agency industry for…
- [1000Memories](https://lemstudio.co/yc-companies/1000memories-192) — **1000Memories** · YC Summer 2010 · Consumer, Home and Personal · Acquired · team 2 · yc_id:192 — Memorial sites.
- [100x](https://lemstudio.co/yc-companies/100x-26861) — **100x** · YC Summer 2022 · B2B, Productivity · Active · team 3 · yc_id:26861 — Create, Share, and Monetize AI Agents
- [10x](https://lemstudio.co/yc-companies/10x-30250) — **10x** · YC Winter 2025 · Healthcare · Active · team 3 · yc_id:30250 — AI Sales Teams for Dental Practices
- [10x Science](https://lemstudio.co/yc-companies/10x-science-31098) — **10x Science** · YC Winter 2026 · B2B · Active · team 5 · yc_id:31098 — The AI-native platform for next-generation protein characterization.
- [1849 bio](https://lemstudio.co/yc-companies/1849-bio-29733) — **1849 bio** · YC Summer 2024 · Industrials · Active · team 3 · yc_id:29733 — Engineering microbes for miners to unlock billions in trapped metal
- [1910](https://lemstudio.co/yc-companies/1910-12286) — **1910** · YC Winter 2019 · Healthcare, Therapeutics · Active · team 20 · yc_id:12286 — Multimodal AI Platform for Modality Agnostic Drug Discovery™
- [1stCollab](https://lemstudio.co/yc-companies/1stcollab-27906) — **1stCollab** · YC Winter 2023 · B2B, Marketing · Active · team 11 · yc_id:27906 — Performance-Optimized Influencer Marketing at Scale
- [20n](https://lemstudio.co/yc-companies/20n-747) — **20n** · YC Winter 2015 · Healthcare, Industrial Bio · Inactive · team 2 · yc_id:747 — Using AI to predict biochemistry for manufacturing and therapeutics
- [21st](https://lemstudio.co/yc-companies/21st-31123) — **21st** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:31123 — UI building blocks for the agentic internet
- [222](https://lemstudio.co/yc-companies/222-27925) — **222** · YC Winter 2023 · Consumer · Active · team 23 · yc_id:27925 — the AI social facilitator for offline human to human interactions
- [280 North](https://lemstudio.co/yc-companies/280-north-312) — **280 North** · YC Winter 2008 · B2B, Engineering, Product and Design · Acquired · team 11 · yc_id:312
- [3dot](https://lemstudio.co/yc-companies/3dot-742) — **3dot** · YC Winter 2015 · Consumer, Social · Inactive · team 2 · yc_id:742
- [42](https://lemstudio.co/yc-companies/42-571) — **42** · YC Winter 2014 · B2B, Retail · Active · yc_id:571 — Analytics stack for omnichannel retailers and brands
- [42Floors](https://lemstudio.co/yc-companies/42floors-7) — **42Floors** · YC Winter 2012 · Real Estate and Construction, Housing and Real Estate · Acquired · team 60 · yc_id:7 — We make it easy to search for office space.
- [500Friends](https://lemstudio.co/yc-companies/500friends-213) — **500Friends** · YC Winter 2010 · B2B, Retail · Acquired · team 51 · yc_id:213 — the best loyalty and retention marketing partner for CMOs. 
- [54Gene](https://lemstudio.co/yc-companies/54gene-12252) — **54Gene** · YC Winter 2019 · Healthcare, Consumer Health and Wellness · Inactive · team 47 · yc_id:12252 — Precision medicine for Africans and the global population
- [64x Bio](https://lemstudio.co/yc-companies/64x-bio-1939) — **64x Bio** · YC Summer 2018 · Healthcare, Industrial Bio · Active · team 25 · yc_id:1939 — Enabling next generation medicines. A comprehensive platform and…
- [6thSense](https://lemstudio.co/yc-companies/6thsense-32552) — **6thSense** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 4 · yc_id:32552 — Nervous System for Physical AI
- [7cups](https://lemstudio.co/yc-companies/7cups-517) — **7cups** · YC Summer 2013 · Healthcare, Healthcare Services · Active · team 11 · yc_id:517 — 7 Cups is an emotional support service that matches up people that…
- [80,000 Hours](https://lemstudio.co/yc-companies/80-000-hours-941) — **80,000 Hours** · YC Summer 2015 · Unspecified · Active · team 13 · yc_id:941 — An online guide that tells talented graduates how to maximise the…
- [83 Sciences](https://lemstudio.co/yc-companies/83-sciences-33056) — **83 Sciences** · YC Summer 2026 · Industrials · Active · team 3 · yc_id:33056 — AI-native materials discovery powered by unpublished experimental data
- [9 Mothers](https://lemstudio.co/yc-companies/9-mothers-31193) — **9 Mothers** · YC Spring 2026 · Industrials, Defense · Active · team 19 · yc_id:31193 — Counter Drone Systems. $1.6m sales. We delivered for the DoW.
- [99dresses](https://lemstudio.co/yc-companies/99dresses-48) — **99dresses** · YC Winter 2012 · Consumer, Apparel and Cosmetics · Inactive · team 2 · yc_id:48 — We're creating every women's fantasy by combining the unwanted…
- [99minutos](https://lemstudio.co/yc-companies/99minutos-13523) — **99minutos** · YC Winter 2020 · B2B, Supply Chain and Logistics · Active · team 5000 · yc_id:13523 — The fastest shipping for online shopping 
- [9gag](https://lemstudio.co/yc-companies/9gag-469) — **9gag** · YC Summer 2012 · Consumer, Social · Active · team 36 · yc_id:469 — Make the world happier.
- [A Thinking Ape](https://lemstudio.co/yc-companies/a-thinking-ape-305) — **A Thinking Ape** · YC Winter 2008 · B2B, Marketing · Acquired · team 75 · yc_id:305 — We build communities through massively multiplayer mobile games
- [a0.dev](https://lemstudio.co/yc-companies/a0-dev-30223) — **a0.dev** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30223 — We make mobile apps using AI.
- [A1Zap by A1Base](https://lemstudio.co/yc-companies/a1zap-by-a1base-30221) — **A1Zap by A1Base** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30221 — The social network layer for AI apps
- [Aalo](https://lemstudio.co/yc-companies/aalo-1796) — **Aalo** · YC Winter 2018 · Consumer, Home and Personal · Inactive · team 1 · yc_id:1796 — Lego-like furniture for design geeks. We create furniture that's…
- [Abacum](https://lemstudio.co/yc-companies/abacum-22579) — **Abacum** · YC Winter 2021 · B2B, Finance and Accounting · Active · team 125 · yc_id:22579 — The AI-native FP&A platform that helps Finance teams drive business…
- [Abacus](https://lemstudio.co/yc-companies/abacus-572) — **Abacus** · YC Winter 2014 · B2B, Finance and Accounting · Acquired · team 30 · yc_id:572 — Making expense reports obsolete
- [Abalone Bio](https://lemstudio.co/yc-companies/abalone-bio-13081) — **Abalone Bio** · YC Winter 2020 · Healthcare, Drug Discovery and Delivery · Active · team 14 · yc_id:13081 — We create activating antibodies to treat diseases others can’t.
- [Abatable](https://lemstudio.co/yc-companies/abatable-24726) — **Abatable** · YC Summer 2021 · Industrials, Climate · Active · team 35 · yc_id:24726 — Carbon markets platform and solutions
- [Abbot](https://lemstudio.co/yc-companies/abbot-24147) — **Abbot** · YC Summer 2021 · B2B, Sales · Inactive · team 5 · yc_id:24147 — Your Customer Success Co-Pilot
- [Abel](https://lemstudio.co/yc-companies/abel-29391) — **Abel** · YC Winter 2024 · B2B, Legal · Inactive · team 2 · yc_id:29391 — Transforming document review for litigation teams
- [Abel Police](https://lemstudio.co/yc-companies/abel-police-29558) — **Abel Police** · YC Summer 2024 · Government · Active · team 5 · yc_id:29558 — Automating police paperwork
- [Abhi](https://lemstudio.co/yc-companies/abhi-24685) — **Abhi** · YC Summer 2021 · Fintech, Credit and Lending · Active · team 10 · yc_id:24685 — Abhi is Pakistan's 1st financial wellness platform focusing on…
- [AbInitio Bio](https://lemstudio.co/yc-companies/abinitio-bio-31484) — **AbInitio Bio** · YC Spring 2026 · Healthcare, Drug Discovery and Delivery · Active · team 2 · yc_id:31484 — The Intelligence layer for Drug Manufacturing
- [Able](https://lemstudio.co/yc-companies/able-13340) — **Able** · YC Winter 2020 · Consumer, Job and Career Services · Acquired · team 50 · yc_id:13340 — India's Largest Placement Platform for Early Professionals
- [Able Health](https://lemstudio.co/yc-companies/able-health-1004) — **Able Health** · YC Winter 2016 · Healthcare, Healthcare IT · Acquired · team 11 · yc_id:1004 — Able Health gets doctors paid more for higher quality care
- [Abstra](https://lemstudio.co/yc-companies/abstra-23958) — **Abstra** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 18 · yc_id:23958 — Automate finance operations with Python and AI
- [Absurd](https://lemstudio.co/yc-companies/absurd-30958) — **Absurd** · YC Fall 2025 · B2B, Marketing · Active · team 6 · yc_id:30958 — The Creative OS for AI video
- [Abundance Labs](https://lemstudio.co/yc-companies/abundance-labs-1283) — **Abundance Labs** · YC Summer 2016 · Consumer, Home and Personal · Inactive · team 12 · yc_id:1283 — Abundance Labs incubates and builds alternative currency marketplace…
- [Abundant](https://lemstudio.co/yc-companies/abundant-30078) — **Abundant** · YC Fall 2024 · B2B · Active · team 7 · yc_id:30078 — Agent simulation and RL for researchers
- [Accend](https://lemstudio.co/yc-companies/accend-28786) — **Accend** · YC Summer 2023 · Fintech · Active · team 18 · yc_id:28786 — AI agents for commercial underwriting at banks and fintechs
- [Accept.inc (formerly BoardRE)](https://lemstudio.co/yc-companies/accept-inc-formerly-boardre-12344) — **Accept.inc (formerly BoardRE)** · YC Winter 2019 · Fintech, Credit and Lending · Acquired · team 80 · yc_id:12344 — BoardRE is a new type of mortgage company that upgrades any offer…
- [AccessOwl](https://lemstudio.co/yc-companies/accessowl-27258) — **AccessOwl** · YC Summer 2022 · B2B, Infrastructure · Active · team 15 · yc_id:27258 — Managing your Employees' Access to SaaS
- [AccioJob](https://lemstudio.co/yc-companies/acciojob-12242) — **AccioJob** · YC Winter 2019 · Education · Active · team 120 · yc_id:12242 — Offline-first tech skilling and placement for India
- [Accord](https://lemstudio.co/yc-companies/accord-13058) — **Accord** · YC Winter 2020 · B2B, Sales · Active · team 20 · yc_id:13058 — The Revenue Excellence Platform
- [Acely](https://lemstudio.co/yc-companies/acely-1809) — **Acely** · YC Winter 2018 · Education · Active · team 30 · yc_id:1809 — Every student's AI coach for college readiness
- [ACLU](https://lemstudio.co/yc-companies/aclu-1575) — **ACLU** · YC Winter 2017 · Unspecified · Active · team 501 · yc_id:1575 — Defender of rights and liberties
- [Acolite](https://lemstudio.co/yc-companies/acolite-30427) — **Acolite** · YC Spring 2025 · Fintech, Insurance · Active · team 3 · yc_id:30427 — AI Native Commercial Insurance Broker
- [Acrely](https://lemstudio.co/yc-companies/acrely-30606) — **Acrely** · YC Summer 2025 · B2B · Active · team 6 · yc_id:30606 — Enterprise Voice Agents
- [Actiondesk](https://lemstudio.co/yc-companies/actiondesk-12591) — **Actiondesk** · YC Summer 2019 · B2B, Engineering, Product and Design · Acquired · team 4 · yc_id:12591 — Access all your live data in one place
- [Actipulse Neuroscience](https://lemstudio.co/yc-companies/actipulse-neuroscience-25330) — **Actipulse Neuroscience** · YC Winter 2022 · Healthcare, Medical Devices · Active · team 38 · yc_id:25330 — Bringing non-invasive brain stimulation from the hospital to the home
- [Activeloop](https://lemstudio.co/yc-companies/activeloop-1910) — **Activeloop** · YC Summer 2018 · B2B, Infrastructure · Active · team 15 · yc_id:1910 — Database for AI
- [Activepieces](https://lemstudio.co/yc-companies/activepieces-26792) — **Activepieces** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:26792 — Open-source, AI-first and no-code business automation tool
- [Acunote](https://lemstudio.co/yc-companies/acunote-143) — **Acunote** · YC Winter 2011 · B2B, Productivity · Active · yc_id:143
- [ACX](https://lemstudio.co/yc-companies/acx-29406) — **ACX** · YC Summer 2024 · Healthcare, Industrial Bio · Active · team 4 · yc_id:29406 — Next-generation biocides for sustainable agriculture at scale
- [Ad Army](https://lemstudio.co/yc-companies/ad-army-27097) — **Ad Army** · YC Summer 2022 · B2B · Active · team 5 · yc_id:27097 — Generate, iterate, and ship AI ad creatives faster
- [Adam](https://lemstudio.co/yc-companies/adam-30234) — **Adam** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:30234 — AI Powered CAD
- [Adapted](https://lemstudio.co/yc-companies/adapted-29443) — **Adapted** · YC Winter 2024 · Consumer · Active · team 2 · yc_id:29443 — AI physical therapy for athletes
- [Adaptional](https://lemstudio.co/yc-companies/adaptional-30596) — **Adaptional** · YC Summer 2025 · B2B · Active · yc_id:30596 — AI-powered insurance claims review
- [Adaptyv](https://lemstudio.co/yc-companies/adaptyv-24505) — **Adaptyv** · YC Summer 2021 · Healthcare, Drug Discovery and Delivery · Active · team 25 · yc_id:24505 — We're building fully automated labs for protein engineering
- [Aden](https://lemstudio.co/yc-companies/aden-13141) — **Aden** · YC Winter 2020 · B2B, Infrastructure · Active · team 5 · yc_id:13141 — Open source agent generation framework
- [Adentris](https://lemstudio.co/yc-companies/adentris-30529) — **Adentris** · YC Spring 2025 · Healthcare, Healthcare IT · Active · team 5 · yc_id:30529 — Real-time AI Compliance & Revenue Integrity for Medical Providers
- [AdGrok](https://lemstudio.co/yc-companies/adgrok-209) — **AdGrok** · YC Summer 2010 · B2B, Marketing · Acquired · team 2 · yc_id:209 — Easy SEM software. Acquired by Twitter in 2011.
- [Adialante](https://lemstudio.co/yc-companies/adialante-31434) — **Adialante** · YC Spring 2026 · Healthcare, Diagnostics · Active · team 4 · yc_id:31434 — Cancer screening without barriers
- [Adla](https://lemstudio.co/yc-companies/adla-12656) — **Adla** · YC Summer 2019 · Consumer, Apparel and Cosmetics · Inactive · team 3 · yc_id:12656 — Department store for e-commerce
- [Adni](https://lemstudio.co/yc-companies/adni-24571) — **Adni** · YC Summer 2021 · Healthcare · Active · team 5 · yc_id:24571 — The career community for healthcare workers
- [Adravision](https://lemstudio.co/yc-companies/adravision-24819) — **Adravision** · YC Summer 2021 · Healthcare, Healthcare IT · Active · team 8 · yc_id:24819 — Automation for dental clinics and insurance companies.
- [Adri AI](https://lemstudio.co/yc-companies/adri-ai-28367) — **Adri AI** · YC Winter 2023 · B2B · Active · team 3 · yc_id:28367 — Your AI Partner for SAP Development
- [AdThrow](https://lemstudio.co/yc-companies/adthrow-261) — **AdThrow** · YC Summer 2009 · B2B, Marketing · Inactive · yc_id:261
- [Advanced Metal Research](https://lemstudio.co/yc-companies/advanced-metal-research-31043) — **Advanced Metal Research** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:31043 — Machine intelligence for American Welding
- [Advano](https://lemstudio.co/yc-companies/advano-1621) — **Advano** · YC Summer 2017 · Industrials, Climate · Active · team 25 · yc_id:1621 — Advano is a battery technology company that improve the longevity of…
- [Advantage Club](https://lemstudio.co/yc-companies/advantage-club-24086) — **Advantage Club** · YC Summer 2021 · B2B, Human Resources · Active · team 220 · yc_id:24086 — Global platform for employee engagement with rewards&flexible benefits
- [Adventris Pharmaceuticals](https://lemstudio.co/yc-companies/adventris-pharmaceuticals-28158) — **Adventris Pharmaceuticals** · YC Winter 2023 · Healthcare, Drug Discovery and Delivery · Active · team 7 · yc_id:28158 — Adventris makes cancer vaccines
- [Adventurous Co](https://lemstudio.co/yc-companies/adventurous-co-11990) — **Adventurous Co** · YC Winter 2019 · Consumer, Virtual and Augmented Reality · Inactive · team 2 · yc_id:11990 — Disney meets Airbnb Experiences
- [adyn](https://lemstudio.co/yc-companies/adyn-13413) — **adyn** · YC Summer 2020 · Healthcare, Consumer Health and Wellness · Active · team 7 · yc_id:13413 — The first test designed to prevent birth control side effects
- [Aecore](https://lemstudio.co/yc-companies/aecore-1593) — **Aecore** · YC Summer 2017 · Real Estate and Construction, Construction · Active · team 6 · yc_id:1593 — Vertically integrated commercial construction
- [Aedilic](https://lemstudio.co/yc-companies/aedilic-29358) — **Aedilic** · YC Winter 2024 · B2B, Security · Inactive · team 2 · yc_id:29358 — Open-Source AI-generated image/deepfake detection
- [Aegis](https://lemstudio.co/yc-companies/aegis-30557) — **Aegis** · YC Spring 2025 · Healthcare, Healthcare IT · Active · team 3 · yc_id:30557 — AI Agents to win denied health insurance claims.
- [Aella](https://lemstudio.co/yc-companies/aella-1503) — **Aella** · YC Winter 2017 · Fintech, Credit and Lending · Active · team 60 · yc_id:1503 — Diversified credit infrastructure powering payments across Africa.
- [Aemon](https://lemstudio.co/yc-companies/aemon-31138) — **Aemon** · YC Winter 2026 · B2B · Active · team 3 · yc_id:31138 — The Forward-Deployed AI Research Engineer 
- [Aer](https://lemstudio.co/yc-companies/aer-24587) — **Aer** · YC Summer 2021 · Fintech · Acquired · team 18 · yc_id:24587 — Compound compliance: the central hub for meeting SEC obligations 
- [AeroFS](https://lemstudio.co/yc-companies/aerofs-183) — **AeroFS** · YC Summer 2010 · B2B, Infrastructure · Acquired · team 40 · yc_id:183 — Secure Enterprise Collaboration.
- [Aerogen Systems](https://lemstudio.co/yc-companies/aerogen-systems-32584) — **Aerogen Systems** · YC Summer 2026 · Industrials · Active · team 4 · yc_id:32584 — Modernizing Chip Manufacturing Infrastructure
- [Aerones](https://lemstudio.co/yc-companies/aerones-1875) — **Aerones** · YC Winter 2018 · Industrials, Climate · Active · team 250 · yc_id:1875 — Robotics for wind turbine maintenance.
- [Aerotime](https://lemstudio.co/yc-companies/aerotime-23096) — **Aerotime** · YC Winter 2021 · B2B, Productivity · Inactive · team 6 · yc_id:23096 — Calendar that kills time fragmentation
- [AesculaTech](https://lemstudio.co/yc-companies/aesculatech-1777) — **AesculaTech** · YC Winter 2018 · Healthcare, Medical Devices · Active · team 6 · yc_id:1777 — Responsive materials, better lives. 
- [Aesthetic](https://lemstudio.co/yc-companies/aesthetic-2034) — **Aesthetic** · YC Summer 2018 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:2034 — Your AI-powered creative apprentice 🪄
- [Affil.ai](https://lemstudio.co/yc-companies/affil-ai-29972) — **Affil.ai** · YC Summer 2024 · B2B, Marketing · Active · team 4 · yc_id:29972 — AI Affiliate Network For Financial Companies
- [Affinity](https://lemstudio.co/yc-companies/affinity-29106) — **Affinity** · YC Summer 2023 · B2B · Active · team 2 · yc_id:29106 — A compliance training platform built for regulated industries.
- [Affogato AI](https://lemstudio.co/yc-companies/affogato-ai-24040) — **Affogato AI** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 15 · yc_id:24040 — Affogato AI — Your Agent for instant TikToks, Reels, and ads.
- [Afriex](https://lemstudio.co/yc-companies/afriex-22152) — **Afriex** · YC Summer 2020 · Fintech, Payments · Active · team 55 · yc_id:22152 — Instant, low-fee remittances
- [Afrostream](https://lemstudio.co/yc-companies/afrostream-903) — **Afrostream** · YC Summer 2015 · Consumer, Content · Inactive · team 11 · yc_id:903 — AFROSTREAM is Netflix for African-American and African  content…
- [Aftercare](https://lemstudio.co/yc-companies/aftercare-29383) — **Aftercare** · YC Winter 2024 · B2B · Active · team 3 · yc_id:29383 — Conversational AI surveys with intelligent follow-up questions
- [Afternoon.co](https://lemstudio.co/yc-companies/afternoon-co-30037) — **Afternoon.co** · YC Fall 2024 · B2B, Finance and Accounting · Active · team 4 · yc_id:30037 — Bookkeeping, compliance and tax for founders
- [AfterQuery](https://lemstudio.co/yc-companies/afterquery-30303) — **AfterQuery** · YC Winter 2025 · B2B, Infrastructure · Active · team 30 · yc_id:30303 — Applied research lab curating data solutions for foundation model…
- [Agapé](https://lemstudio.co/yc-companies/agap-23845) — **Agapé** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · team 6 · yc_id:23845 — Feel close, even when apart. One meaningful conversation at a time.
- [Agave](https://lemstudio.co/yc-companies/agave-25273) — **Agave** · YC Winter 2022 · B2B · Active · team 50 · yc_id:25273 — AI Financial Operations for Construction
- [Agency](https://lemstudio.co/yc-companies/agency-25696) — **Agency** · YC Winter 2022 · B2B, Security · Active · team 50 · yc_id:25696 — Agency replaces traditional security and compliance headcount with AI.
- [Agency Tool Company](https://lemstudio.co/yc-companies/agency-tool-company-32518) — **Agency Tool Company** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:32518 — Reliable infrastructure to build, deploy and manage real-world robots.
- [AgendaPro](https://lemstudio.co/yc-companies/agendapro-23292) — **AgendaPro** · YC Winter 2021 · B2B, Marketing · Active · team 50 · yc_id:23292 — Shopify for Beauty and Wellness businesses in Latam
- [Agent 37](https://lemstudio.co/yc-companies/agent-37-34893) — **Agent 37** · YC Fall 2026 · B2B, Infrastructure · Active · yc_id:34893 — Persistent sandboxes for agents like hermes, openclaw, claude code
- [Agent Relay](https://lemstudio.co/yc-companies/agent-relay-35292) — **Agent Relay** · YC Fall 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:35292 — The infrastructure to run coding agents for your team
- [Agentcard](https://lemstudio.co/yc-companies/agentcard-33018) — **Agentcard** · YC Summer 2026 · Fintech · Active · yc_id:33018 — cards for AI agents
- [AgentCollect](https://lemstudio.co/yc-companies/agentcollect-28932) — **AgentCollect** · YC Summer 2023 · Fintech · Active · team 42 · yc_id:28932 — B2B debt collection powered by AI agents
- [Agentic Fabriq](https://lemstudio.co/yc-companies/agentic-fabriq-30906) — **Agentic Fabriq** · YC Winter 2026 · B2B, Security · Active · team 2 · yc_id:30906 — The control plane for AI agents.
- [Agentic Labs](https://lemstudio.co/yc-companies/agentic-labs-29275) — **Agentic Labs** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29275 — AI system design tools for dev teams
- [Agentin AI](https://lemstudio.co/yc-companies/agentin-ai-30278) — **Agentin AI** · YC Winter 2025 · B2B · Active · team 2 · yc_id:30278 — AI Agents that automate enterprise software processes
- [AgentMail](https://lemstudio.co/yc-companies/agentmail-30611) — **AgentMail** · YC Summer 2025 · B2B, Infrastructure · Active · team 10 · yc_id:30611 — Email Inboxes for AI Agents
- [Agentnoon](https://lemstudio.co/yc-companies/agentnoon-25543) — **Agentnoon** · YC Winter 2022 · B2B, Human Resources · Active · team 16 · yc_id:25543 — Org design and workforce planning platform to drive org transformation
- [AgentPhone](https://lemstudio.co/yc-companies/agentphone-31524) — **AgentPhone** · YC Spring 2026 · B2B, Infrastructure · Active · yc_id:31524 — Phone Numbers for AI Agents
- [Ageospatial](https://lemstudio.co/yc-companies/ageospatial-37468) — **Ageospatial** · YC Fall 2026 · Fintech, Insurance · Active · team 1 · yc_id:37468 — Physical intelligence for every decision with Geospatial AI.
- [AgileMD](https://lemstudio.co/yc-companies/agilemd-90) — **AgileMD** · YC Summer 2011 · Healthcare, Healthcare IT · Active · team 19 · yc_id:90 — Predictive analytics and clinical pathways for hospitals 
- [Aglide](https://lemstudio.co/yc-companies/aglide-28933) — **Aglide** · YC Summer 2023 · B2B · Active · team 6 · yc_id:28933 — Connect every disconnected app to your SSO.
- [Agnost AI](https://lemstudio.co/yc-companies/agnost-ai-33019) — **Agnost AI** · YC Summer 2026 · B2B, Analytics · Active · team 2 · yc_id:33019 — We find where AI agents fail, then train better models to run them.
- [Ahazou](https://lemstudio.co/yc-companies/ahazou-24871) — **Ahazou** · YC Summer 2021 · B2B, Marketing · Active · team 27 · yc_id:24871 — Podium for local businesses in Latam
- [AI Insurance](https://lemstudio.co/yc-companies/ai-insurance-12006) — **AI Insurance** · YC Winter 2019 · Fintech, Insurance · Active · team 16 · yc_id:12006 — AI Insurance is the platform that runs insurance companies
- [AI Tech Packs](https://lemstudio.co/yc-companies/ai-tech-packs-24256) — **AI Tech Packs** · YC Summer 2021 · B2B, Supply Chain and Logistics · Active · team 2 · yc_id:24256 — Build factory ready tech packs in minutes.
- [AI.Fashion](https://lemstudio.co/yc-companies/ai-fashion-22151) — **AI.Fashion** · YC Summer 2020 · B2B, Marketing · Inactive · team 11 · yc_id:22151 — AI.Fashion is the AI creative suite for the fashion industry.
- [AICE](https://lemstudio.co/yc-companies/aice-31442) — **AICE** · YC Spring 2026 · Industrials, Defense · Active · team 2 · yc_id:31442 — Submarine drones for defense
- [Aidy](https://lemstudio.co/yc-companies/aidy-29272) — **Aidy** · YC Winter 2024 · Healthcare, Consumer Health and Wellness · Active · team 2 · yc_id:29272 — Mobile app helping people better manage chronic health conditions
- [AIOS](https://lemstudio.co/yc-companies/aios-13316) — **AIOS** · YC Winter 2020 · Healthcare, Consumer Health and Wellness · Active · team 100 · yc_id:13316 — Building AI-native infrastructure for the next era of care.
- [AiPrise](https://lemstudio.co/yc-companies/aiprise-27086) — **AiPrise** · YC Summer 2022 · Fintech · Active · team 65 · yc_id:27086 — AI-powered Global Compliance Platform
- [Airbnb](https://lemstudio.co/yc-companies/airbnb-271) — **Airbnb** · YC Winter 2009 · Consumer, Travel, Leisure and Tourism · Public · team 6132 · yc_id:271 — Book accommodations around the world.
- [Airbyte](https://lemstudio.co/yc-companies/airbyte-13549) — **Airbyte** · YC Winter 2020 · B2B · Active · team 90 · yc_id:13549 — Context layer for production-grade AI agents
- [AirCaps](https://lemstudio.co/yc-companies/aircaps-30837) — **AirCaps** · YC Fall 2025 · Consumer · Active · team 5 · yc_id:30837 — The AI copilot for in-person conversations.
- [Airfordable](https://lemstudio.co/yc-companies/airfordable-1274) — **Airfordable** · YC Summer 2016 · Fintech, Credit and Lending · Active · team 7 · yc_id:1274 — Buy flights for only a fraction upfront and pay off the rest in…
- [Airgoods](https://lemstudio.co/yc-companies/airgoods-28827) — **Airgoods** · YC Summer 2023 · B2B, Retail · Active · team 10 · yc_id:28827 — The modern distributor for grocers.
- [Airhart Aeronautics](https://lemstudio.co/yc-companies/airhart-aeronautics-26880) — **Airhart Aeronautics** · YC Summer 2022 · Industrials, Aviation and Space · Active · team 9 · yc_id:26880 — Airplanes anyone can fly
- [AirHelp](https://lemstudio.co/yc-companies/airhelp-574) — **AirHelp** · YC Winter 2014 · Consumer, Travel, Leisure and Tourism · Active · team 350 · yc_id:574 — AirHelp helps air passengers get compensation for delayed, cancelled…
- [Airmada](https://lemstudio.co/yc-companies/airmada-885) — **Airmada** · YC Summer 2015 · Industrials, Drones · Inactive · team 2 · yc_id:885 — Autonomous ground stations for drones
- [AirMyne](https://lemstudio.co/yc-companies/airmyne-26120) — **AirMyne** · YC Winter 2022 · Industrials, Climate · Active · team 11 · yc_id:26120 — Building systems to remove carbon dioxide from air at industrial scale
- [Airo Health](https://lemstudio.co/yc-companies/airo-health-1250) — **Airo Health** · YC Summer 2016 · Healthcare, Consumer Health and Wellness · Inactive · team 2 · yc_id:1250 — Airo is an AI wearable to track mental health.
- [AirPair](https://lemstudio.co/yc-companies/airpair-638) — **AirPair** · YC Winter 2014 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:638 — Instant access to the world's best software experts via video chat…
- [Airthium](https://lemstudio.co/yc-companies/airthium-1651) — **Airthium** · YC Summer 2017 · Industrials, Climate · Active · team 18 · yc_id:1651 — Decarbonized heat and power cheaper than fossil fuels
- [Airtrain AI](https://lemstudio.co/yc-companies/airtrain-ai-26666) — **Airtrain AI** · YC Summer 2022 · B2B, Infrastructure · Inactive · team 5 · yc_id:26666 — No-code data curation for LLM fine-tuning and evaluation.
- [Airware](https://lemstudio.co/yc-companies/airware-513) — **Airware** · YC Winter 2013 · Industrials, Drones · Inactive · team 51 · yc_id:513 — Airware provides end-to-end solutions that enable enterprises to…
- [Airweave](https://lemstudio.co/yc-companies/airweave-30549) — **Airweave** · YC Spring 2025 · B2B, Infrastructure · Active · team 7 · yc_id:30549 — The open-source context retrieval layer for agents
- [Airwork](https://lemstudio.co/yc-companies/airwork-25753) — **Airwork** · YC Winter 2022 · B2B, Recruiting and Talent · Active · team 4 · yc_id:25753 — On-demand labour that's actually good
- [AiSDR](https://lemstudio.co/yc-companies/aisdr-29110) — **AiSDR** · YC Summer 2023 · B2B, Sales · Active · team 34 · yc_id:29110 — AI that finds the right buyers and books sales meetings
- [Aisle50](https://lemstudio.co/yc-companies/aisle50-79) — **Aisle50** · YC Summer 2011 · Consumer, Home and Personal · Acquired · team 11 · yc_id:79 — Grocery deals.
- [AiSupervision](https://lemstudio.co/yc-companies/aisupervision-26253) — **AiSupervision** · YC Winter 2022 · Industrials, Manufacturing and Robotics · Inactive · team 13 · yc_id:26253 — The operating system for factory production lines
- [AIVideo.com](https://lemstudio.co/yc-companies/aivideo-com-28792) — **AIVideo.com** · YC Summer 2023 · B2B · Active · team 12 · yc_id:28792 — Superhuman video production as a service
- [Ajaib](https://lemstudio.co/yc-companies/ajaib-1960) — **Ajaib** · YC Summer 2018 · Fintech, Banking and Exchange · Active · team 300 · yc_id:1960 — Consumer fintech for Indonesia
- [Akido Labs](https://lemstudio.co/yc-companies/akido-labs-748) — **Akido Labs** · YC Winter 2015 · Healthcare, Healthcare IT · Active · team 1000 · yc_id:748 — Rebuilding healthcare with AI at the core
- [Akiflow](https://lemstudio.co/yc-companies/akiflow-22077) — **Akiflow** · YC Summer 2020 · B2B, Productivity · Active · team 18 · yc_id:22077 — All your tasks and calendars into an AI-powered productivity app
- [Akkari](https://lemstudio.co/yc-companies/akkari-31576) — **Akkari** · YC Spring 2026 · B2B · Active · team 5 · yc_id:31576 — Autonomous Customer Operations
- [Aklimate](https://lemstudio.co/yc-companies/aklimate-25723) — **Aklimate** · YC Winter 2022 · B2B, Supply Chain and Logistics · Inactive · team 3 · yc_id:25723 — Software for enterprises to track and reduce supply chain emissions
- [Akon Labs](https://lemstudio.co/yc-companies/akon-labs-32619) — **Akon Labs** · YC Summer 2026 · B2B · Active · team 2 · yc_id:32619 — Databricks for Enterprise Codebases
- [Aktoria Robotics](https://lemstudio.co/yc-companies/aktoria-robotics-32621) — **Aktoria Robotics** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:32621 — Human as API for robots
- [Akudo](https://lemstudio.co/yc-companies/akudo-24042) — **Akudo** · YC Summer 2021 · Fintech, Payments · Inactive · team 20 · yc_id:24042 — India's first learning-focused neobank for teenagers
- [Akute Health](https://lemstudio.co/yc-companies/akute-health-24525) — **Akute Health** · YC Summer 2021 · Healthcare, Healthcare IT · Active · team 4 · yc_id:24525 — The medical record & infrastructure stack for digital health companies
- [Alaan](https://lemstudio.co/yc-companies/alaan-27968) — **Alaan** · YC Winter 2023 · Fintech, Payments · Active · team 250 · yc_id:27968 — Ai-native finance platform for the Middle East
- [Alai](https://lemstudio.co/yc-companies/alai-29420) — **Alai** · YC Winter 2024 · B2B · Active · team 5 · yc_id:29420 — Create high quality presentations quickly using AI
- [Alana](https://lemstudio.co/yc-companies/alana-12844) — **Alana** · YC Summer 2019 · B2B, Recruiting and Talent · Inactive · team 14 · yc_id:12844 — Staff management software for retail, manufacturing and hospitality
- [Alara](https://lemstudio.co/yc-companies/alara-30727) — **Alara** · YC Summer 2025 · B2B · Active · yc_id:30727 — Procurement Platform for Dental Offices
- [Alba Orbital](https://lemstudio.co/yc-companies/alba-orbital-22630) — **Alba Orbital** · YC Winter 2021 · Industrials, Aviation and Space · Active · team 10 · yc_id:22630 — We make satellites to image everywhere on Earth, every 15 minutes
- [Albacore Inc.](https://lemstudio.co/yc-companies/albacore-inc-30704) — **Albacore Inc.** · YC Summer 2025 · Industrials, Defense · Active · team 18 · yc_id:30704 — Drone submarines
- [Albedo](https://lemstudio.co/yc-companies/albedo-22640) — **Albedo** · YC Winter 2021 · Industrials, Aviation and Space · Active · team 55 · yc_id:22640 — Full-stack VLEO satellite missions
- [Albiware Inc.](https://lemstudio.co/yc-companies/albiware-inc-26501) — **Albiware Inc.** · YC Summer 2022 · Real Estate and Construction, Construction · Active · team 12 · yc_id:26501 — B2B SaaS for insurance damage repair contractors. 
- [Alchemize](https://lemstudio.co/yc-companies/alchemize-31444) — **Alchemize** · YC Spring 2026 · B2B, Supply Chain and Logistics · Active · team 2 · yc_id:31444 — Building AI Native Customs Brokerages
- [Alchemy](https://lemstudio.co/yc-companies/alchemy-691) — **Alchemy** · YC Summer 2014 · Industrials, Manufacturing and Robotics · Active · team 25 · yc_id:691 — Nanotechnology-enabled coatings for automotive and defence sectors
- [Aldara](https://lemstudio.co/yc-companies/aldara-27249) — **Aldara** · YC Summer 2022 · Real Estate and Construction · Inactive · team 10 · yc_id:27249 — HOA manager with automated operations
- [Alder](https://lemstudio.co/yc-companies/alder-30889) — **Alder** · YC Fall 2025 · B2B, Finance and Accounting · Active · team 2 · yc_id:30889 — AI employees for finance, starting with accounts receivable. 
- [AlemHealth](https://lemstudio.co/yc-companies/alemhealth-1509) — **AlemHealth** · YC Winter 2017 · Healthcare, Healthcare Services · Active · team 25 · yc_id:1509 — AI Radiologist in a Box - We provide a vertically integrated AI…
- [Aleph](https://lemstudio.co/yc-companies/aleph-24428) — **Aleph** · YC Summer 2021 · B2B, Finance and Accounting · Active · team 30 · yc_id:24428 — One source of truth for financial data.
- [Aleph Lab](https://lemstudio.co/yc-companies/aleph-lab-30910) — **Aleph Lab** · YC Fall 2025 · Consumer · Active · team 2 · yc_id:30910 — AI language buddy in the games kids love
- [Aleph Solutions (Alephee)](https://lemstudio.co/yc-companies/aleph-solutions-alephee-24422) — **Aleph Solutions (Alephee)** · YC Summer 2021 · B2B, Retail · Active · team 60 · yc_id:24422 — We help automotive aftermarket brands to supply and sell parts online
- [Alex](https://lemstudio.co/yc-companies/alex-30100) — **Alex** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30100 — The Cursor for Xcode
- [Alex](https://lemstudio.co/yc-companies/alex-29263) — **Alex** · YC Winter 2024 · B2B, Recruiting and Talent · Active · team 30 · yc_id:29263 — Alex is the AI recruiter for hiring great people.
- [Alfie](https://lemstudio.co/yc-companies/alfie-25271) — **Alfie** · YC Winter 2022 · Healthcare, Healthcare Services · Acquired · team 6 · yc_id:25271 — Democratizing access to precision weight loss medications 
- [Alga Biosciences](https://lemstudio.co/yc-companies/alga-biosciences-25700) — **Alga Biosciences** · YC Winter 2022 · Industrials, Climate · Active · team 6 · yc_id:25700 — We stop cows from burping methane.
- [Algen Biotechnologies](https://lemstudio.co/yc-companies/algen-biotechnologies-13705) — **Algen Biotechnologies** · YC Winter 2020 · Healthcare, Drug Discovery and Delivery · Active · team 15 · yc_id:13705 — Using CRISPR to find treatments for cancer and inflammation
- [Algofi](https://lemstudio.co/yc-companies/algofi-24600) — **Algofi** · YC Summer 2021 · Fintech · Inactive · team 7 · yc_id:24600 — Building the new financial system
- [Algolia](https://lemstudio.co/yc-companies/algolia-636) — **Algolia** · YC Winter 2014 · B2B, Engineering, Product and Design · Active · team 810 · yc_id:636 — A developer-friendly and enterprise-grade search API.
- [Algoriz](https://lemstudio.co/yc-companies/algoriz-998) — **Algoriz** · YC Winter 2016 · Fintech, Asset Management · Inactive · team 4 · yc_id:998 — Algoriz is an AI based algorithmic trading platform that enables you…
- [AlgoSurg Inc](https://lemstudio.co/yc-companies/algosurg-inc-1842) — **AlgoSurg Inc** · YC Winter 2018 · Healthcare, Healthcare Services · Active · team 8 · yc_id:1842 — We make AI technology for Robotic and AR Surgeries
- [AlgoTest](https://lemstudio.co/yc-companies/algotest-27191) — **AlgoTest** · YC Summer 2022 · Fintech · Active · team 40 · yc_id:27191 — Ecosystem for options trading in India
- [AlgoUniversity](https://lemstudio.co/yc-companies/algouniversity-24094) — **AlgoUniversity** · YC Summer 2021 · Education · Active · team 40 · yc_id:24094 — Building Job driven Virtual Tech University for India 🇮🇳
- [AlgoViral](https://lemstudio.co/yc-companies/algoviral-24229) — **AlgoViral** · YC Summer 2021 · B2B, Marketing · Active · team 5 · yc_id:24229 — We help high-growth startups go viral on autopilot
- [Alguna](https://lemstudio.co/yc-companies/alguna-28844) — **Alguna** · YC Summer 2023 · B2B, Finance and Accounting · Active · team 10 · yc_id:28844 — AI-Native CPQ & Billing for Modern Pricing Models
- [Alice.tech](https://lemstudio.co/yc-companies/alice-tech-30197) — **Alice.tech** · YC Winter 2025 · Education · Active · team 5 · yc_id:30197 — AI-driven exam prep
- [Alima](https://lemstudio.co/yc-companies/alima-26210) — **Alima** · YC Winter 2022 · B2B, Supply Chain and Logistics · Inactive · team 10 · yc_id:26210 — Fresh procurement made easy
- [Alinea](https://lemstudio.co/yc-companies/alinea-22834) — **Alinea** · YC Winter 2021 · Fintech, Consumer Finance · Active · team 12 · yc_id:22834 — Automated investing for the next generation 💸
- [Alixia](https://lemstudio.co/yc-companies/alixia-25449) — **Alixia** · YC Winter 2022 · Healthcare, Therapeutics · Active · team 2 · yc_id:25449 — Targeting the Tumor Ecosystem to address cancer drug resistance.
- [Alkali](https://lemstudio.co/yc-companies/alkali-30498) — **Alkali** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30498 — The smarter way to estimate steel.
- [Alkera AI](https://lemstudio.co/yc-companies/alkera-ai-32262) — **Alkera AI** · YC Summer 2026 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:32262 — Reliable and safe data engineering and data science agents
- [All Screen](https://lemstudio.co/yc-companies/all-screen-214) — **All Screen** · YC Winter 2010 · B2B, Marketing · Acquired · team 11 · yc_id:214 — Connecting users with engaging video content across the web.…
- [Allia Health](https://lemstudio.co/yc-companies/allia-health-33441) — **Allia Health** · YC Summer 2026 · Healthcare, Healthcare Services · Active · team 3 · yc_id:33441 — AI-Native Medical Group for Mental Health
- [Allo](https://lemstudio.co/yc-companies/allo-11923) — **Allo** · YC Winter 2019 · Consumer, Social · Inactive · team 2 · yc_id:11923 — Allo is an app that helps neighboring families meet and help each…
- [Alloovium](https://lemstudio.co/yc-companies/alloovium-32204) — **Alloovium** · YC Summer 2026 · Real Estate and Construction, Construction · Active · team 5 · yc_id:32204 — The company brain for construction companies
- [Allotrope Medical](https://lemstudio.co/yc-companies/allotrope-medical-1883) — **Allotrope Medical** · YC Summer 2018 · Healthcare, Medical Devices · Acquired · team 2 · yc_id:1883 — Advancing surgical precision through safe electrical stimulation. 
- [Allowance](https://lemstudio.co/yc-companies/allowance-31447) — **Allowance** · YC Spring 2026 · Fintech, Payments · Active · team 1 · yc_id:31447 — The spend control layer for AI agents
- [Alloy](https://lemstudio.co/yc-companies/alloy-27840) — **Alloy** · YC Winter 2023 · B2B, Productivity · Active · team 5 · yc_id:27840 — AI prototyping tool for product managers
- [AllSome Fulfillment](https://lemstudio.co/yc-companies/allsome-fulfillment-11935) — **AllSome Fulfillment** · YC Winter 2019 · B2B, Supply Chain and Logistics · Active · team 18 · yc_id:11935 — Fulfillment platform to build Southeast Asia e-commerce operations
- [Alltruists](https://lemstudio.co/yc-companies/alltruists-23630) — **Alltruists** · YC Winter 2021 · Consumer, Job and Career Services · Inactive · team 1 · yc_id:23630 — Kid-friendly, at-home volunteer projects in a box, delivered bimonthly
- [Allure Systems](https://lemstudio.co/yc-companies/allure-systems-12271) — **Allure Systems** · YC Winter 2019 · B2B, Retail · Acquired · team 18 · yc_id:12271 — A.I. to create stunning fashion images for eCommerce. 
- [Allus AI](https://lemstudio.co/yc-companies/allus-ai-30895) — **Allus AI** · YC Fall 2025 · Industrials, Manufacturing and Robotics · Active · team 6 · yc_id:30895 — Transforming manufacturing with our next-gen Vision Foundation Model
- [Alma](https://lemstudio.co/yc-companies/alma-26681) — **Alma** · YC Summer 2022 · Fintech, Consumer Finance · Inactive · yc_id:26681 — Gamified mobile banking app where people can win $1M every Wednesday
- [Almanac](https://lemstudio.co/yc-companies/almanac-32588) — **Almanac** · YC Summer 2026 · B2B · Active · team 3 · yc_id:32588 — Organizing company knowledge
- [Almond](https://lemstudio.co/yc-companies/almond-27159) — **Almond** · YC Summer 2022 · Healthcare, Consumer Health and Wellness · Inactive · team 8 · yc_id:27159 — We make it easy to get great ObGyn care  in-person and over telehealth
- [Almond](https://lemstudio.co/yc-companies/almond-30430) — **Almond** · YC Spring 2025 · Industrials, Manufacturing and Robotics · Active · team 6 · yc_id:30430 — A dual-arm robot built for physical AI.
- [Alokai](https://lemstudio.co/yc-companies/alokai-23270) — **Alokai** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 100 · yc_id:23270 — Frontend Platform for eCommerce
- [Alpaca](https://lemstudio.co/yc-companies/alpaca-12119) — **Alpaca** · YC Winter 2019 · Fintech, Banking and Exchange · Active · team 150 · yc_id:12119 — API-first stock and crypto brokerage platform
- [Alpas](https://lemstudio.co/yc-companies/alpas-23315) — **Alpas** · YC Winter 2021 · B2B · Active · team 5 · yc_id:23315 — Software for procurement departments to find suppliers 10x faster
- [Alpha Vantage](https://lemstudio.co/yc-companies/alpha-vantage-1970) — **Alpha Vantage** · YC Summer 2018 · Fintech, Banking and Exchange · Active · team 25 · yc_id:1970 — Developer-friendly and enterprise-grade APIs for financial market…
- [AlphaFlow](https://lemstudio.co/yc-companies/alphaflow-986) — **AlphaFlow** · YC Winter 2016 · Fintech, Asset Management · Inactive · team 26 · yc_id:986 — AlphaFlow is a technology-driven investment manager.
- [Alphawatch AI](https://lemstudio.co/yc-companies/alphawatch-ai-26884) — **Alphawatch AI** · YC Winter 2023 · Fintech · Active · team 8 · yc_id:26884 — Relationship Coverage for Deal Teams
- [ALT TEX](https://lemstudio.co/yc-companies/alt-tex-26769) — **ALT TEX** · YC Summer 2022 · Industrials, Climate · Active · team 10 · yc_id:26769 — Biodegradable and carbon neutral textiles, engineered from food waste.
- [Alt-X](https://lemstudio.co/yc-companies/alt-x-30860) — **Alt-X** · YC Winter 2026 · Fintech · Active · team 2 · yc_id:30860 — Building the best venue for private markets exposure.
- [Altay Therapeutics](https://lemstudio.co/yc-companies/altay-therapeutics-13217) — **Altay Therapeutics** · YC Winter 2020 · Healthcare, Therapeutics · Active · team 6 · yc_id:13217 — Altay develops disease-modifying therapies targeting transcription…
- [Alter](https://lemstudio.co/yc-companies/alter-30651) — **Alter** · YC Summer 2025 · B2B, Security · Active · team 2 · yc_id:30651 — Privileged Access Management for AI Agents
- [Alterya](https://lemstudio.co/yc-companies/alterya-26719) — **Alterya** · YC Summer 2022 · Fintech · Acquired · team 30 · yc_id:26719 — Protecting Humans from Scams
- [Altrina](https://lemstudio.co/yc-companies/altrina-30222) — **Altrina** · YC Winter 2025 · B2B, Productivity · Inactive · team 4 · yc_id:30222 — The SOP Automation Platform
- [Altro](https://lemstudio.co/yc-companies/altro-19888) — **Altro** · YC Summer 2020 · Fintech, Consumer Finance · Acquired · team 29 · yc_id:19888 — Build Credit With Your Subscriptions
- [Altur](https://lemstudio.co/yc-companies/altur-30738) — **Altur** · YC Summer 2025 · B2B · Active · team 5 · yc_id:30738 — Voice AI Agents for Debt Collection
- [Alude](https://lemstudio.co/yc-companies/alude-13083) — **Alude** · YC Winter 2020 · Real Estate and Construction, Housing and Real Estate · Active · team 8 · yc_id:13083 — We offer free software that automates bureaucracy for real-estate…
- [Aluna](https://lemstudio.co/yc-companies/aluna-29723) — **Aluna** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29723 — Data for biomedical AI
- [Amal Invest](https://lemstudio.co/yc-companies/amal-invest-25931) — **Amal Invest** · YC Winter 2022 · Fintech · Active · team 3 · yc_id:25931 — Investing app for Muslims
- [AmberBox Gunshot Detection](https://lemstudio.co/yc-companies/amberbox-gunshot-detection-1214) — **AmberBox Gunshot Detection** · YC Winter 2016 · B2B, Security · Active · yc_id:1214 — Detect Gunshots | Inform Law Enforcement | Empower First Responders
- [Ambient.ai](https://lemstudio.co/yc-companies/ambient-ai-1487) — **Ambient.ai** · YC Winter 2017 · B2B, Security · Active · team 150 · yc_id:1487 — AI company transforming enterprise physical security to prevent…
- [Ambition](https://lemstudio.co/yc-companies/ambition-576) — **Ambition** · YC Winter 2014 · B2B, Sales · Active · team 55 · yc_id:576 — Coaching and gamification software for sales teams. 
- [Amboras](https://lemstudio.co/yc-companies/amboras-31497) — **Amboras** · YC Spring 2026 · B2B · Active · team 3 · yc_id:31497 — AI Native Shopify
- [Ambral](https://lemstudio.co/yc-companies/ambral-30362) — **Ambral** · YC Summer 2025 · B2B, Sales · Active · team 4 · yc_id:30362 — AI for account management and customer success
- [Amby Health](https://lemstudio.co/yc-companies/amby-health-30238) — **Amby Health** · YC Winter 2025 · Healthcare, Consumer Health and Wellness · Active · team 2 · yc_id:30238 — The health coach that texts you first
- [Amenli](https://lemstudio.co/yc-companies/amenli-24883) — **Amenli** · YC Summer 2021 · Fintech, Insurance · Active · team 65 · yc_id:24883 — Offers insurance to customers in a convenient & transparent way 
- [Amera](https://lemstudio.co/yc-companies/amera-30992) — **Amera** · YC Fall 2025 · Fintech, Insurance · Active · team 12 · yc_id:30992 — Automating claims processing workflows for health insurance payers.
- [Amiato](https://lemstudio.co/yc-companies/amiato-15) — **Amiato** · YC Winter 2012 · B2B, Infrastructure · Acquired · team 2 · yc_id:15 — The BI bridge for unstructured data. We automatically bridge the gap…
- [Amika](https://lemstudio.co/yc-companies/amika-31010) — **Amika** · YC Fall 2025 · B2B, Infrastructure · Active · team 2 · yc_id:31010 — Infra to build your own software factory
- [AminoAnalytica](https://lemstudio.co/yc-companies/aminoanalytica-29694) — **AminoAnalytica** · YC Summer 2024 · Healthcare, Diagnostics · Active · team 3 · yc_id:29694 — The AI scientist for always-on biodefense
- [Amorphic Labs](https://lemstudio.co/yc-companies/amorphic-labs-31557) — **Amorphic Labs** · YC Summer 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31557 — OpenRouter for Agent Tools
- [Amplitude](https://lemstudio.co/yc-companies/amplitude-40) — **Amplitude** · YC Winter 2012 · B2B, Analytics · Public · team 750 · yc_id:40 — Digital Analytics Platform
- [AmpUp](https://lemstudio.co/yc-companies/ampup-12136) — **AmpUp** · YC Winter 2019 · Consumer, Home and Personal · Active · team 45 · yc_id:12136 — We make EV charging as simple and reliable as LED lights
- [Amulet](https://lemstudio.co/yc-companies/amulet-33315) — **Amulet** · YC Summer 2026 · B2B, Infrastructure · Active · team 2 · yc_id:33315 — High performance file system for agents
- [Amulyte](https://lemstudio.co/yc-companies/amulyte-553) — **Amulyte** · YC Summer 2013 · Healthcare, Consumer Health and Wellness · Inactive · team 2 · yc_id:553 — Remote monitoring & activity tracking system for seniors. 
- [Anakin](https://lemstudio.co/yc-companies/anakin-24141) — **Anakin** · YC Summer 2021 · B2B, Analytics · Active · team 70 · yc_id:24141 — One API to get clean data from any website for your AI agents at scale
- [Anana](https://lemstudio.co/yc-companies/anana-30485) — **Anana** · YC Spring 2025 · B2B · Active · team 2 · yc_id:30485 — AI Workspace for Hospitality Commercial Teams
- [Ananya Health](https://lemstudio.co/yc-companies/ananya-health-24034) — **Ananya Health** · YC Summer 2021 · Healthcare, Medical Devices · Active · team 8 · yc_id:24034 — Portable cryoablation to prevent cervical cancer
- [Anara](https://lemstudio.co/yc-companies/anara-29738) — **Anara** · YC Summer 2024 · B2B, Productivity · Active · team 5 · yc_id:29738 — AI for researchers
- [Anasen](https://lemstudio.co/yc-companies/anasen-1550) — **Anasen** · YC Winter 2017 · B2B, Analytics · Inactive · team 15 · yc_id:1550 — Anasen is an app that makes data analysis easy and accessible to…
- [Ancana](https://lemstudio.co/yc-companies/ancana-24549) — **Ancana** · YC Summer 2021 · Consumer, Travel, Leisure and Tourism · Active · team 12 · yc_id:24549 — Marketplace for vacation home co-ownership, fully managed
- [Anchor](https://lemstudio.co/yc-companies/anchor-27049) — **Anchor** · YC Summer 2022 · Fintech · Active · team 8 · yc_id:27049 — Embedded finance platform for African businesses
- [Anchor Health](https://lemstudio.co/yc-companies/anchor-health-1046) — **Anchor Health** · YC Winter 2016 · Healthcare, Healthcare IT · Inactive · team 2 · yc_id:1046 — Modernizing home health care agencies with software, hardware, and…
- [Anchorhead](https://lemstudio.co/yc-companies/anchorhead-31231) — **Anchorhead** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:31231 — Evals for frontier research agents
- [And Comfort](https://lemstudio.co/yc-companies/and-comfort-1661) — **And Comfort** · YC Summer 2017 · Consumer, Apparel and Cosmetics · Inactive · team 2 · yc_id:1661 — And Comfort is a direct to consumer fashion brand.
- [Andco](https://lemstudio.co/yc-companies/andco-31411) — **Andco** · YC Spring 2026 · B2B, Legal · Active · team 3 · yc_id:31411 — Agents that build personal injury cases
- [Andi](https://lemstudio.co/yc-companies/andi-25058) — **Andi** · YC Winter 2022 · Consumer, Content · Active · team 2 · yc_id:25058 — AI Search for the Next Generation
- [Andon Labs](https://lemstudio.co/yc-companies/andon-labs-29253) — **Andon Labs** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 11 · yc_id:29253 — Autonomous organizations without humans in the loop
- [Andromeda Surgical](https://lemstudio.co/yc-companies/andromeda-surgical-29008) — **Andromeda Surgical** · YC Summer 2023 · Healthcare, Medical Devices · Active · team 12 · yc_id:29008 — Autonomous surgical robots
- [Andson Biotech](https://lemstudio.co/yc-companies/andson-biotech-25865) — **Andson Biotech** · YC Winter 2022 · Healthcare · Active · team 12 · yc_id:25865 — Empowering Mass Spec for Biotech and Beyond
- [Andustry](https://lemstudio.co/yc-companies/andustry-31367) — **Andustry** · YC Spring 2026 · Fintech · Active · team 2 · yc_id:31367
- [Andy AI](https://lemstudio.co/yc-companies/andy-ai-29386) — **Andy AI** · YC Winter 2024 · Healthcare, Healthcare IT · Active · team 5 · yc_id:29386 — Faster clinical documentation for home health nurses
- [Anfin](https://lemstudio.co/yc-companies/anfin-25655) — **Anfin** · YC Winter 2022 · Fintech, Asset Management · Active · team 40 · yc_id:25655 — A multi-asset trading platform dedicated to retail investors
- [Angle Health](https://lemstudio.co/yc-companies/angle-health-13415) — **Angle Health** · YC Winter 2020 · Fintech, Insurance · Active · team 100 · yc_id:13415 — Health Insurance for Startups
- [Anglera](https://lemstudio.co/yc-companies/anglera-29957) — **Anglera** · YC Summer 2024 · B2B, Retail · Active · team 6 · yc_id:29957 — AI-Powered Product Data Enrichment
- [Ångström AI](https://lemstudio.co/yc-companies/ngstr-m-ai-29532) — **Ångström AI** · YC Summer 2024 · Healthcare, Drug Discovery and Delivery · Active · team 5 · yc_id:29532 — Gen AI molecular simulations that reproduce wetlab results
- [Anima](https://lemstudio.co/yc-companies/anima-22866) — **Anima** · YC Winter 2021 · Healthcare · Active · team 20 · yc_id:22866 — The next generation care enablement platform
- [Anima App](https://lemstudio.co/yc-companies/anima-app-1940) — **Anima App** · YC Summer 2018 · B2B, Engineering, Product and Design · Active · team 20 · yc_id:1940 — Anima - Design Agent | AgentGrid.io - Shared drive for humans & agents
- [Anja Health](https://lemstudio.co/yc-companies/anja-health-26021) — **Anja Health** · YC Winter 2022 · Healthcare, Consumer Health and Wellness · Acquired · team 2 · yc_id:26021 — Cord Blood Banking Reimagined
- [Anjuna](https://lemstudio.co/yc-companies/anjuna-1863) — **Anjuna** · YC Winter 2018 · B2B, Security · Active · team 55 · yc_id:1863 — Anjuna enabled organizations to trust any infrastructure
- [Ankr Health](https://lemstudio.co/yc-companies/ankr-health-25512) — **Ankr Health** · YC Winter 2022 · Healthcare · Active · team 30 · yc_id:25512 — Virtualizing brick-mortar infrastructures of clinics w/ generative AI 
- [AnnieCannons](https://lemstudio.co/yc-companies/anniecannons-2018) — **AnnieCannons** · YC Summer 2018 · Education · Active · team 14 · yc_id:2018 — Connecting Survivors to Careers in Tech
- [ANORIA](https://lemstudio.co/yc-companies/anoria-31485) — **ANORIA** · YC Spring 2026 · Consumer, Consumer Electronics · Active · team 5 · yc_id:31485 — The first wearable that reads your emotions to enhance your EQ. 
- [Ansa Biotechnologies](https://lemstudio.co/yc-companies/ansa-biotechnologies-13671) — **Ansa Biotechnologies** · YC Winter 2020 · Healthcare, Industrial Bio · Active · team 72 · yc_id:13671 — Next-generation DNA synthesis using enzymes
- [Answerly](https://lemstudio.co/yc-companies/answerly-225) — **Answerly** · YC Winter 2010 · Consumer, Content · Inactive · team 11 · yc_id:225
- [AnswerThis](https://lemstudio.co/yc-companies/answerthis-30890) — **AnswerThis** · YC Fall 2025 · Consumer · Active · team 6 · yc_id:30890 — End-to-end workspace to accelerate scientific discovery
- [Anthrogen](https://lemstudio.co/yc-companies/anthrogen-29713) — **Anthrogen** · YC Summer 2024 · Healthcare · Active · team 15 · yc_id:29713 — We work on generalizable tools for the next era of biotech. 
- [Antigen](https://lemstudio.co/yc-companies/antigen-30999) — **Antigen** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:30999 — Continuous offensive security for the enterprise.
- [antimattr](https://lemstudio.co/yc-companies/antimattr-36348) — **antimattr** · YC Fall 2026 · Consumer, Consumer Electronics · Active · team 2 · yc_id:36348 — voice-first hardware interface for human-agent interaction
- [Antinuous](https://lemstudio.co/yc-companies/antinuous-31408) — **Antinuous** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31408 — Autonomous research agents for R&D and education
- [Anto Biosciences](https://lemstudio.co/yc-companies/anto-biosciences-30937) — **Anto Biosciences** · YC Fall 2025 · Healthcare · Active · team 4 · yc_id:30937 — A Foundation Model for Microbial Communities.
- [Antropi Robotics](https://lemstudio.co/yc-companies/antropi-robotics-35290) — **Antropi Robotics** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · yc_id:35290 — Autonomous CNC factories for faster hardware
- [AntWalk](https://lemstudio.co/yc-companies/antwalk-25757) — **AntWalk** · YC Winter 2022 · Education · Inactive · team 50 · yc_id:25757 — An employee up-skilling platform for fast growing companies
- [AnyList](https://lemstudio.co/yc-companies/anylist-188) — **AnyList** · YC Summer 2010 · Consumer, Home and Personal · Active · team 3 · yc_id:188 — One app for stress-free shopping, cooking, and meal planning.
- [AnythingLLM](https://lemstudio.co/yc-companies/anythingllm-26885) — **AnythingLLM** · YC Summer 2022 · Consumer · Active · team 4 · yc_id:26885 — Building the definitive all-in-one on-device AI productivity tool
- [Anyvite](https://lemstudio.co/yc-companies/anyvite-287) — **Anyvite** · YC Summer 2008 · Consumer, Home and Personal · Inactive · team 2 · yc_id:287
- [Anywhere.FM](https://lemstudio.co/yc-companies/anywhere-fm-337) — **Anywhere.FM** · YC Summer 2007 · Consumer, Content · Acquired · team 11 · yc_id:337
- [AOA Dx](https://lemstudio.co/yc-companies/aoa-dx-23884) — **AOA Dx** · YC Summer 2021 · Healthcare, Diagnostics · Active · team 25 · yc_id:23884 — Blood Test for Early Detection of Ovarian Cancer 
- [AON3D](https://lemstudio.co/yc-companies/aon3d-1524) — **AON3D** · YC Winter 2017 · Industrials, Manufacturing and Robotics · Active · team 40 · yc_id:1524 — Additive Manufacturing with advanced materials
- [Apartio](https://lemstudio.co/yc-companies/apartio-13496) — **Apartio** · YC Winter 2020 · Fintech, Consumer Finance · Inactive · team 2 · yc_id:13496 — Apartio offers Short Term Rentals for Business Travelers in Brazil
- [Apero Health](https://lemstudio.co/yc-companies/apero-health-12532) — **Apero Health** · YC Summer 2019 · Healthcare, Healthcare IT · Active · team 24 · yc_id:12532 — Modern medical billing
- [Apolink](https://lemstudio.co/yc-companies/apolink-30130) — **Apolink** · YC Fall 2024 · Industrials, Aviation and Space · Active · team 7 · yc_id:30130 — 24/7 satellite connectivity in low Earth orbit
- [Apollo](https://lemstudio.co/yc-companies/apollo-72) — **Apollo** · YC Summer 2011 · B2B, Infrastructure · Active · team 200 · yc_id:72 — Apollo helps engineering teams accelerate delivery
- [Apollo](https://lemstudio.co/yc-companies/apollo-25106) — **Apollo** · YC Winter 2022 · Fintech · Active · team 11 · yc_id:25106 —  Payments & Loyalty Infrastructure 
- [Apollo](https://lemstudio.co/yc-companies/apollo-24343) — **Apollo** · YC Summer 2021 · Fintech, Consumer Finance · Inactive · team 3 · yc_id:24343 — The card that rewards you with stock 
- [Apollo Atomics, Inc.](https://lemstudio.co/yc-companies/apollo-atomics-inc-31503) — **Apollo Atomics, Inc.** · YC Spring 2026 · Industrials, Energy · Active · yc_id:31503 — We make the most compact nuclear reactors
- [Apollo Health](https://lemstudio.co/yc-companies/apollo-health-904) — **Apollo Health** · YC Summer 2015 · Consumer, Travel, Leisure and Tourism · Inactive · yc_id:904
- [Apollo.io](https://lemstudio.co/yc-companies/apollo-io-1044) — **Apollo.io** · YC Winter 2016 · B2B, Marketing · Active · team 800 · yc_id:1044 — Apollo is the foundation of your entire go-to-market strategy.
- [ApolloShield](https://lemstudio.co/yc-companies/apolloshield-1300) — **ApolloShield** · YC Summer 2016 · Industrials, Defense · Active · yc_id:1300 — ApolloShield is a system that detects unwanted drones and drives them…
- [Apoxy](https://lemstudio.co/yc-companies/apoxy-28960) — **Apoxy** · YC Summer 2023 · B2B, Infrastructure · Active · team 2 · yc_id:28960 — Simpler and cheaper multi-cloud and cross-platform deployments.
- [Apozy](https://lemstudio.co/yc-companies/apozy-1521) — **Apozy** · YC Winter 2017 · B2B, Security · Active · team 9 · yc_id:1521 — Apozy makes every website safe to browse
- [Appcanary](https://lemstudio.co/yc-companies/appcanary-909) — **Appcanary** · YC Summer 2015 · B2B, Security · Acquired · team 2 · yc_id:909 — Appcanary tracks the dependencies you use in your apps and servers…
- [Appcubator](https://lemstudio.co/yc-companies/appcubator-474) — **Appcubator** · YC Winter 2013 · B2B, Engineering, Product and Design · Inactive · yc_id:474 — The easiest way to prototype web applications.
- [AppHarbor](https://lemstudio.co/yc-companies/appharbor-140) — **AppHarbor** · YC Winter 2011 · B2B, Infrastructure · Inactive · team 1 · yc_id:140 — .NET Cloud Platform as a Service
- [Appjet](https://lemstudio.co/yc-companies/appjet-336) — **Appjet** · YC Summer 2007 · B2B, Engineering, Product and Design · Acquired · team 3 · yc_id:336
- [Applied Electrodynamics, Inc.](https://lemstudio.co/yc-companies/applied-electrodynamics-inc-31298) — **Applied Electrodynamics, Inc.** · YC Summer 2026 · Industrials · Active · team 5 · yc_id:31298 — A new kind of camera that can see through walls.
- [Applied Kinetics](https://lemstudio.co/yc-companies/applied-kinetics-34959) — **Applied Kinetics** · YC Fall 2026 · B2B, Supply Chain and Logistics · Active · team 2 · yc_id:34959 — AI for the industries that power America. 
- [Apply Design](https://lemstudio.co/yc-companies/apply-design-26802) — **Apply Design** · YC Summer 2022 · Real Estate and Construction · Active · team 4 · yc_id:26802 — Helping realtors showcase the full potential of their properties
- [Apportable](https://lemstudio.co/yc-companies/apportable-159) — **Apportable** · YC Winter 2011 · B2B, Infrastructure · Acquired · team 51 · yc_id:159 — iOS porting
- [Apprentice Health](https://lemstudio.co/yc-companies/apprentice-health-1922) — **Apprentice Health** · YC Summer 2018 · Healthcare, Healthcare IT · Active · team 6 · yc_id:1922 — We deploy sensors and software that increase hospital efficiency.
- [Approxima](https://lemstudio.co/yc-companies/approxima-31192) — **Approxima** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31192 — Your software should build itself.
- [Apptimize](https://lemstudio.co/yc-companies/apptimize-521) — **Apptimize** · YC Summer 2013 · B2B, Engineering, Product and Design · Acquired · team 50 · yc_id:521 — Apptimize lets mobile teams innovate faster to create an amazing user…
- [AppX](https://lemstudio.co/yc-companies/appx-24096) — **AppX** · YC Summer 2021 · Education · Active · team 30 · yc_id:24096 — AppX helps social media creators launch their own mobile apps.
- [AptDeco](https://lemstudio.co/yc-companies/aptdeco-578) — **AptDeco** · YC Winter 2014 · Consumer, Home and Personal · Active · yc_id:578 — AptDeco is the easiest way to buy and sell used furniture
- [Apten](https://lemstudio.co/yc-companies/apten-29571) — **Apten** · YC Summer 2024 · B2B, Marketing · Active · team 6 · yc_id:29571 — Omnichannel AI agents that engage leads across SMS, voice, and email
- [Aptible](https://lemstudio.co/yc-companies/aptible-651) — **Aptible** · YC Summer 2014 · B2B, Infrastructure · Acquired · team 25 · yc_id:651 — The No Infrastructure Platform as a Service
- [Apto Payments](https://lemstudio.co/yc-companies/apto-payments-704) — **Apto Payments** · YC Summer 2014 · Fintech, Payments · Acquired · team 32 · yc_id:704 — API platform for partners to issue branded debit and credit cards to…
- [Apurata](https://lemstudio.co/yc-companies/apurata-12897) — **Apurata** · YC Summer 2019 · Fintech, Credit and Lending · Active · team 12 · yc_id:12897 — Point of sale financing for Latin America's middle class.
- [Aqua](https://lemstudio.co/yc-companies/aqua-24194) — **Aqua** · YC Summer 2021 · Fintech · Active · team 23 · yc_id:24194 — The AI-Native Turnkey Alternative Investment Platform (TAIP)
- [Aqua Voice](https://lemstudio.co/yc-companies/aqua-voice-29450) — **Aqua Voice** · YC Winter 2024 · Consumer · Active · team 5 · yc_id:29450 — Frontier Voice Input - write 4x faster than typing.
- [Aquarium Learning](https://lemstudio.co/yc-companies/aquarium-learning-22008) — **Aquarium Learning** · YC Summer 2020 · B2B, Infrastructure · Acquired · team 12 · yc_id:22008 — We help ML teams improve their models by improving their datasets
- [AquaShield](https://lemstudio.co/yc-companies/aquashield-31487) — **AquaShield** · YC Spring 2026 · Real Estate and Construction · Active · team 3 · yc_id:31487 — AI water leak detection for buildings
- [Aqueduct](https://lemstudio.co/yc-companies/aqueduct-27875) — **Aqueduct** · YC Winter 2023 · B2B · Active · team 1 · yc_id:27875 — Create, edit, and share procedural material graphs.
- [Aragorn AI](https://lemstudio.co/yc-companies/aragorn-ai-26813) — **Aragorn AI** · YC Summer 2022 · B2B, Human Resources · Active · team 4 · yc_id:26813 — Operating system for HR in the AI era
- [Aravolta](https://lemstudio.co/yc-companies/aravolta-30403) — **Aravolta** · YC Spring 2025 · B2B, Infrastructure · Active · team 4 · yc_id:30403 — Software to monitor, control, and optimize data centers.
- [Arbital](https://lemstudio.co/yc-companies/arbital-32749) — **Arbital** · YC Summer 2026 · Fintech, Consumer Finance · Active · team 3 · yc_id:32749 — The social trading app for stocks, memes, and perps
- [Arc](https://lemstudio.co/yc-companies/arc-399) — **Arc** · YC Summer 2012 · Industrials, Drones · Inactive · team 2 · yc_id:399 — aerial videography
- [Arc](https://lemstudio.co/yc-companies/arc-25118) — **Arc** · YC Winter 2022 · Fintech · Acquired · team 30 · yc_id:25118 — Banking & Funding for Startups
- [ARC Prize Foundation](https://lemstudio.co/yc-companies/arc-prize-foundation-31054) — **ARC Prize Foundation** · YC Winter 2026 · Industrials · Active · team 4 · yc_id:31054 — AI benchmarks that measure general intelligence and inspire new ideas
- [Arcane](https://lemstudio.co/yc-companies/arcane-29464) — **Arcane** · YC Winter 2024 · Consumer · Acquired · team 2 · yc_id:29464 — AI
- [Archal](https://lemstudio.co/yc-companies/archal-31216) — **Archal** · YC Summer 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31216 — API sandboxes, built for AI agents
- [Archangel Health](https://lemstudio.co/yc-companies/archangel-health-36181) — **Archangel Health** · YC Fall 2026 · Healthcare · Active · team 2 · yc_id:36181 — Infra to make AI safe enough to practice medicine
- [Archbee](https://lemstudio.co/yc-companies/archbee-23968) — **Archbee** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 12 · yc_id:23968 — TURN STATIC DOCS INTO INSTANT ANSWERS
- [ArchForm](https://lemstudio.co/yc-companies/archform-1847) — **ArchForm** · YC Winter 2018 · Healthcare, Medical Devices · Active · team 23 · yc_id:1847 — Replacing orthodontic braces with our clear aligner and software
- [Archil](https://lemstudio.co/yc-companies/archil-30045) — **Archil** · YC Fall 2024 · B2B, Infrastructure · Active · team 11 · yc_id:30045 — The high-performance file system that connects AI to data
- [ArchiLabs](https://lemstudio.co/yc-companies/archilabs-30105) — **ArchiLabs** · YC Fall 2024 · Real Estate and Construction, Construction · Active · team 3 · yc_id:30105 — AI Data Center Design
- [Archon](https://lemstudio.co/yc-companies/archon-30307) — **Archon** · YC Winter 2025 · Government · Active · team 3 · yc_id:30307 — We help software companies sell to government.
- [Arcimus](https://lemstudio.co/yc-companies/arcimus-28857) — **Arcimus** · YC Summer 2023 · B2B, Recruiting and Talent · Active · team 2 · yc_id:28857 — A stream of engineering candidates who ship.
- [Arcten](https://lemstudio.co/yc-companies/arcten-30961) — **Arcten** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30961 — Lab working on long-horizon autonomous research and coding agents
- [Arctic Health](https://lemstudio.co/yc-companies/arctic-health-31552) — **Arctic Health** · YC Spring 2026 · Healthcare, Healthcare Services · Active · team 4 · yc_id:31552 — AI-native credentialing and contracting for healthcare
- [Arcus](https://lemstudio.co/yc-companies/arcus-556) — **Arcus** · YC Summer 2013 · Fintech, Banking and Exchange · Acquired · team 100 · yc_id:556 — Payment-as-a-service that helps any business launch payment solutions
- [Arden](https://lemstudio.co/yc-companies/arden-31525) — **Arden** · YC Spring 2026 · B2B, Finance and Accounting · Active · team 2 · yc_id:31525 — AI-native internal audit firm
- [Ardent](https://lemstudio.co/yc-companies/ardent-31475) — **Ardent** · YC Spring 2026 · B2B, Infrastructure · Active · team 3 · yc_id:31475 — Database sandboxes for Agents
- [Ardis AI](https://lemstudio.co/yc-companies/ardis-ai-13114) — **Ardis AI** · YC Winter 2020 · B2B, Infrastructure · Inactive · team 3 · yc_id:13114 — Transform your text data into a searchable knowledge graph
- [Arengu](https://lemstudio.co/yc-companies/arengu-24398) — **Arengu** · YC Summer 2021 · B2B · Acquired · team 10 · yc_id:24398 — Build frictionless signup flows in minutes
- [Ares Industries](https://lemstudio.co/yc-companies/ares-industries-29680) — **Ares Industries** · YC Summer 2024 · Industrials, Aviation and Space · Active · team 2 · yc_id:29680 — Building low-cost cruise missiles 
- [Arga Labs](https://lemstudio.co/yc-companies/arga-labs-31413) — **Arga Labs** · YC Spring 2026 · B2B · Active · team 4 · yc_id:31413 — Real-world sandboxes to test and train AI agents
- [Argil](https://lemstudio.co/yc-companies/argil-29813) — **Argil** · YC Summer 2024 · Consumer · Active · team 8 · yc_id:29813 — The video generation engine for the creator economy 
- [Argo](https://lemstudio.co/yc-companies/argo-25725) — **Argo** · YC Winter 2022 · Consumer, Content · Active · team 10 · yc_id:25725 — A social streaming platform powered by creators and fans 
- [Argon AI, Inc.](https://lemstudio.co/yc-companies/argon-ai-inc-29267) — **Argon AI, Inc.** · YC Winter 2024 · Healthcare · Active · team 2 · yc_id:29267 — AI for Pharma Intelligence 
- [Argovox](https://lemstudio.co/yc-companies/argovox-27045) — **Argovox** · YC Summer 2022 · Fintech · Inactive · team 3 · yc_id:27045 — Voice AI agents for patient billing and collections
- [args](https://lemstudio.co/yc-companies/args-30616) — **args** · YC Summer 2025 · B2B, Productivity · Active · team 2 · yc_id:30616 — A better GItHub
- [Argument Computer Corporation](https://lemstudio.co/yc-companies/argument-computer-corporation-25937) — **Argument Computer Corporation** · YC Winter 2022 · B2B · Active · team 8 · yc_id:25937 — Accelerate verifiable computing
- [Ariglad](https://lemstudio.co/yc-companies/ariglad-27923) — **Ariglad** · YC Winter 2023 · B2B, Operations · Active · team 4 · yc_id:27923 — Knowledge base maintenance on auto-pilot
- [Arini](https://lemstudio.co/yc-companies/arini-29288) — **Arini** · YC Winter 2024 · Healthcare, Healthcare IT · Active · team 17 · yc_id:29288 — The single platform to run all healthcare operations
- [Arintra](https://lemstudio.co/yc-companies/arintra-25737) — **Arintra** · YC Winter 2022 · Healthcare, Healthcare IT · Active · team 50 · yc_id:25737 — Enterprise-grade AI for revenue assurance 
- [Arist](https://lemstudio.co/yc-companies/arist-21897) — **Arist** · YC Summer 2020 · B2B · Active · team 23 · yc_id:21897 — Deliver effective learning at scale 
- [Ark](https://lemstudio.co/yc-companies/ark-56) — **Ark** · YC Winter 2012 · Consumer, Content · Inactive · team 11 · yc_id:56 — Ark organizes the world's social information. 
- [Arketa](https://lemstudio.co/yc-companies/arketa-22084) — **Arketa** · YC Summer 2020 · B2B, Operations · Active · team 55 · yc_id:22084 — Everything for your fitness or wellness business.
- [Arlo Industries](https://lemstudio.co/yc-companies/arlo-industries-31535) — **Arlo Industries** · YC Spring 2026 · Industrials, Defense · Active · team 3 · yc_id:31535 — Track drones and missiles without radars - Accurate, Passive, Scalable
- [Armature](https://lemstudio.co/yc-companies/armature-31463) — **Armature** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:31463 — We get your product picked by coding agents.
- [Armilla AI](https://lemstudio.co/yc-companies/armilla-ai-25585) — **Armilla AI** · YC Winter 2022 · Fintech, Insurance · Active · team 14 · yc_id:25585 — Liability insurance for generative AI and AI Agents 
- [Armory](https://lemstudio.co/yc-companies/armory-1486) — **Armory** · YC Winter 2017 · B2B, Infrastructure · Acquired · team 90 · yc_id:1486 — Continuous Deployment at any scale, for all developers.
- [arnata](https://lemstudio.co/yc-companies/arnata-22674) — **arnata** · YC Winter 2021 · B2B, Supply Chain and Logistics · Active · team 15 · yc_id:22674 — AI workers for the logistics industry. 
- [Arpari](https://lemstudio.co/yc-companies/arpari-25981) — **Arpari** · YC Winter 2022 · Fintech · Active · team 6 · yc_id:25981 — Multibank treasury management
- [Arpeggio Bio](https://lemstudio.co/yc-companies/arpeggio-bio-12663) — **Arpeggio Bio** · YC Summer 2019 · Healthcare, Drug Discovery and Delivery · Active · team 20 · yc_id:12663 — Arpeggio Bio develops drugs targeting transcription factors using AI…
- [Arpio](https://lemstudio.co/yc-companies/arpio-23537) — **Arpio** · YC Winter 2021 · B2B, Infrastructure · Active · team 7 · yc_id:23537 — Recover from any outage in 10 minutes or less.
- [ARQ](https://lemstudio.co/yc-companies/arq-23988) — **ARQ** · YC Summer 2021 · Fintech · Active · team 100 · yc_id:23988 — The global financial platform for affluent consumers in the Americas.
- [Array Labs](https://lemstudio.co/yc-companies/array-labs-26736) — **Array Labs** · YC Summer 2022 · Industrials, Aviation and Space · Active · team 30 · yc_id:26736 — We're building satellites to create a real-time 3D map of the world.
- [Arrow](https://lemstudio.co/yc-companies/arrow-24349) — **Arrow** · YC Summer 2021 · Fintech, Payments · Active · team 18 · yc_id:24349 — Modern Checkout Platform for D2C brands in Southeast Asia
- [Arroyo](https://lemstudio.co/yc-companies/arroyo-27971) — **Arroyo** · YC Winter 2023 · B2B, Infrastructure · Acquired · team 2 · yc_id:27971 — Cloud-native stream processing
- [Artemis Search](https://lemstudio.co/yc-companies/artemis-search-27042) — **Artemis Search** · YC Summer 2022 · B2B · Active · team 3 · yc_id:27042 — A search technology that actually finds what you’re looking for.
- [Arthena](https://lemstudio.co/yc-companies/arthena-1454) — **Arthena** · YC Winter 2017 · Fintech, Asset Management · Acquired · team 12 · yc_id:1454 — Quantitative Investment in Art Assets 
- [Artie](https://lemstudio.co/yc-companies/artie-28650) — **Artie** · YC Summer 2023 · B2B, Infrastructure · Active · team 16 · yc_id:28650 — Software that streams data from databases to warehouses in real-time
- [Artifact](https://lemstudio.co/yc-companies/artifact-30354) — **Artifact** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:30354 — An Collaborative, AI-native IDE for Hardware Engineers
- [Artifact](https://lemstudio.co/yc-companies/artifact-22249) — **Artifact** · YC Summer 2020 · Consumer, Content · Inactive · team 10 · yc_id:22249 — Personal podcasts with the people in your life
- [Artificial Societies](https://lemstudio.co/yc-companies/artificial-societies-30298) — **Artificial Societies** · YC Winter 2025 · B2B · Active · team 18 · yc_id:30298 — Foundational model of human societies for consequential decisions
- [Artillery](https://lemstudio.co/yc-companies/artillery-23943) — **Artillery** · YC Summer 2021 · B2B, Infrastructure · Active · team 5 · yc_id:23943 — The complete production quality platform. AI-powered E2E testing,…
- [Artisan](https://lemstudio.co/yc-companies/artisan-29295) — **Artisan** · YC Winter 2024 · B2B · Active · team 50 · yc_id:29295 — AI employees that take on real work, starting with sales
- [Artos](https://lemstudio.co/yc-companies/artos-29411) — **Artos** · YC Winter 2024 · B2B · Active · team 7 · yc_id:29411 — Authoring documents for life sciences in minutes, not months.
- [Arva AI](https://lemstudio.co/yc-companies/arva-ai-29973) — **Arva AI** · YC Summer 2024 · B2B · Active · team 20 · yc_id:29973 — AI for critical banking operations
- [Arylla](https://lemstudio.co/yc-companies/arylla-1504) — **Arylla** · YC Winter 2017 · Industrials, Manufacturing and Robotics · Inactive · team 6 · yc_id:1504 — We connect products to the internet using an invisible, chip-less tag
- [Arzana](https://lemstudio.co/yc-companies/arzana-31511) — **Arzana** · YC Spring 2026 · B2B, Operations · Active · team 9 · yc_id:31511 — The autonomous ERP for every manufacturer
- [Asakana](https://lemstudio.co/yc-companies/asakana-35261) — **Asakana** · YC Fall 2026 · B2B, Supply Chain and Logistics · Active · team 4 · yc_id:35261 — AI order entry for food distributors: emails and texts to ERP
- [Ascen](https://lemstudio.co/yc-companies/ascen-11967) — **Ascen** · YC Winter 2019 · B2B, Recruiting and Talent · Acquired · team 30 · yc_id:11967 — EOR for the staffing industry
- [Ascenix](https://lemstudio.co/yc-companies/ascenix-37434) — **Ascenix** · YC Fall 2026 · Healthcare, Healthcare IT · Active · team 7 · yc_id:37434 — Clinical intelligence layer for skilled nursing facilities.
- [Asendia AI](https://lemstudio.co/yc-companies/asendia-ai-31528) — **Asendia AI** · YC Spring 2026 · B2B · Active · team 3 · yc_id:31528 — AI recruiters for staffing agencies
- [Aseon Labs](https://lemstudio.co/yc-companies/aseon-labs-31465) — **Aseon Labs** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 5 · yc_id:31465 — Robotic pitstops for self-driving cars
- [Asha Health](https://lemstudio.co/yc-companies/asha-health-30131) — **Asha Health** · YC Fall 2024 · Healthcare · Active · team 9 · yc_id:30131 — We help medical practices become AI-native
- [Ashby](https://lemstudio.co/yc-companies/ashby-12035) — **Ashby** · YC Winter 2019 · B2B, Recruiting and Talent · Active · team 110 · yc_id:12035 — All-in-one recruiting platform that empowers hiring excellence in…
- [Asher Bio](https://lemstudio.co/yc-companies/asher-bio-12861) — **Asher Bio** · YC Summer 2019 · Healthcare, Therapeutics · Active · team 3 · yc_id:12861 — We build better immunotherapies
- [Ashr](https://lemstudio.co/yc-companies/ashr-31139) — **Ashr** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31139 — Enterprise post-training, monitoring, and continual learning platform
- [Aside](https://lemstudio.co/yc-companies/aside-30943) — **Aside** · YC Fall 2025 · Consumer · Active · team 8 · yc_id:30943 — The browser built to do real work for you
- [aSim](https://lemstudio.co/yc-companies/asim-24497) — **aSim** · YC Summer 2021 · Consumer · Active · team 9 · yc_id:24497 — Build and share apps with friends
- [Asim](https://lemstudio.co/yc-companies/asim-36775) — **Asim** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 4 · yc_id:36775 — Enable robots to operate safely in the real world.
- [Asimov](https://lemstudio.co/yc-companies/asimov-31095) — **Asimov** · YC Winter 2026 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:31095 — Real-world human movement data for humanoid robots
- [Askdata](https://lemstudio.co/yc-companies/askdata-12034) — **Askdata** · YC Winter 2019 · B2B, Analytics · Acquired · team 17 · yc_id:12034 — Frictionless Data
- [AskMyClass, now Soundkins](https://lemstudio.co/yc-companies/askmyclass-now-soundkins-1927) — **AskMyClass, now Soundkins** · YC Summer 2018 · Education · Active · team 2 · yc_id:1927 — Audio learning assistant for teachers and students.
- [Aspect](https://lemstudio.co/yc-companies/aspect-12857) — **Aspect** · YC Summer 2019 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:12857 — Build UI fast.
- [Aspect](https://lemstudio.co/yc-companies/aspect-30857) — **Aspect** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30857 — Intelligent media storage for creative teams.
- [Aspire](https://lemstudio.co/yc-companies/aspire-1834) — **Aspire** · YC Winter 2018 · Fintech, Payments · Active · team 500 · yc_id:1834 — All-in-one Finance OS for businesses
- [Aspora](https://lemstudio.co/yc-companies/aspora-25403) — **Aspora** · YC Winter 2022 · Fintech, Consumer Finance · Active · team 85 · yc_id:25403 — Single account to manage money across the world
- [Assemble](https://lemstudio.co/yc-companies/assemble-31184) — **Assemble** · YC Summer 2026 · B2B · Active · team 4 · yc_id:31184 — Autonomous IT Delivery
- [Assembled](https://lemstudio.co/yc-companies/assembled-137) — **Assembled** · YC Winter 2011 · Consumer, Social · Inactive · team 2 · yc_id:137 — Pivoted to TenXList, a professional network of top college engineers.
- [Assembly](https://lemstudio.co/yc-companies/assembly-1736) — **Assembly** · YC Winter 2018 · B2B, Productivity · Active · team 25 · yc_id:1736 — Create remarkable client experiences
- [Assembly](https://lemstudio.co/yc-companies/assembly-872) — **Assembly** · YC Summer 2015 · B2B, Supply Chain and Logistics · Active · team 12 · yc_id:872 — Advanced manufacturing and distribution solutions (for China-based…
- [Assembly HOA](https://lemstudio.co/yc-companies/assembly-hoa-29824) — **Assembly HOA** · YC Summer 2024 · Real Estate and Construction, Housing and Real Estate · Active · team 12 · yc_id:29824 — AI-native HOA Management Company
- [AssemblyAI](https://lemstudio.co/yc-companies/assemblyai-1687) — **AssemblyAI** · YC Summer 2017 · B2B, Infrastructure · Active · team 65 · yc_id:1687 — The best way to build Voice AI apps
- [Asseta](https://lemstudio.co/yc-companies/asseta-522) — **Asseta** · YC Summer 2013 · B2B · Active · team 4 · yc_id:522 — Sourcing marketplace for semiconductor fab spare parts.
- [assistant-ui](https://lemstudio.co/yc-companies/assistant-ui-30355) — **assistant-ui** · YC Winter 2025 · B2B, Infrastructure · Active · team 3 · yc_id:30355 — Open Source React.js Library for AI Chat
- [Assorted Bits](https://lemstudio.co/yc-companies/assorted-bits-458) — **Assorted Bits** · YC Summer 2012 · B2B, Productivity · Inactive · yc_id:458 — A mobile calendar for all the fun stuff you do with friends.
- [Astek Diagnostics](https://lemstudio.co/yc-companies/astek-diagnostics-24450) — **Astek Diagnostics** · YC Summer 2021 · Healthcare, Diagnostics · Active · team 5 · yc_id:24450 — One-hour antibiotic sensitivity testing
- [Aster](https://lemstudio.co/yc-companies/aster-31498) — **Aster** · YC Spring 2026 · B2B, Productivity · Active · team 2 · yc_id:31498 — Automating open-ended research.
- [Asteroid](https://lemstudio.co/yc-companies/asteroid-30259) — **Asteroid** · YC Winter 2025 · B2B · Active · team 8 · yc_id:30259 — The integration layer for healthcare: EHRs, payer portals & more 
- [Astor](https://lemstudio.co/yc-companies/astor-30614) — **Astor** · YC Summer 2025 · Fintech, Consumer Finance · Active · team 5 · yc_id:30614 — AI advisor for retail investors
- [Astraea](https://lemstudio.co/yc-companies/astraea-31534) — **Astraea** · YC Spring 2026 · B2B · Active · team 6 · yc_id:31534 — AI Operating System for Clinical Development
- [Astranis](https://lemstudio.co/yc-companies/astranis-1093) — **Astranis** · YC Winter 2016 · Industrials, Aviation and Space · Active · team 500 · yc_id:1093 — Advanced satellites for high orbits.
- [Astro](https://lemstudio.co/yc-companies/astro-30202) — **Astro** · YC Winter 2025 · Industrials, Energy · Active · team 1 · yc_id:30202 — The world’s first AI energy developer
- [Astro Mechanica](https://lemstudio.co/yc-companies/astro-mechanica-29369) — **Astro Mechanica** · YC Winter 2024 · Industrials, Aviation and Space · Active · team 52 · yc_id:29369 — Supersonics for the new Jet Age
- [AstroForge](https://lemstudio.co/yc-companies/astroforge-25262) — **AstroForge** · YC Winter 2022 · Industrials, Manufacturing and Robotics · Active · team 10 · yc_id:25262 — We Mine Asteroids
- [Async](https://lemstudio.co/yc-companies/async-30653) — **Async** · YC Summer 2026 · B2B · Active · team 2 · yc_id:30653 — AI agents that run small businesses
- [Athelas](https://lemstudio.co/yc-companies/athelas-1272) — **Athelas** · YC Summer 2016 · Healthcare · Active · team 1000 · yc_id:1272 — Extensible, Integrated Technology that Simplifies Health Systems
- [AthenaHQ](https://lemstudio.co/yc-companies/athenahq-30268) — **AthenaHQ** · YC Winter 2025 · B2B, Marketing · Active · team 12 · yc_id:30268 — Be the Answer in AI Search - AI SEO across SEO, GEO & AEO
- [Atla](https://lemstudio.co/yc-companies/atla-28815) — **Atla** · YC Summer 2023 · B2B · Inactive · team 10 · yc_id:28815 — The improvement engine for AI agents
- [Atlas](https://lemstudio.co/yc-companies/atlas-12300) — **Atlas** · YC Winter 2019 · Fintech, Consumer Finance · Active · team 25 · yc_id:12300 — Modern spend management & concierge.
- [Atlas](https://lemstudio.co/yc-companies/atlas-24746) — **Atlas** · YC Summer 2021 · B2B · Active · team 12 · yc_id:24746 — Operating system for restaurants, focusing on Southeast Asia
- [Atlas](https://lemstudio.co/yc-companies/atlas-25480) — **Atlas** · YC Winter 2022 · B2B, Operations · Active · team 18 · yc_id:25480 — Modern customer support platform replacement for Intercom and Zendesk
- [Atlas](https://lemstudio.co/yc-companies/atlas-27046) — **Atlas** · YC Summer 2022 · B2B · Active · team 2 · yc_id:27046 — AI contract agent: Fill a template, get signed, and run next actions.
- [Atlas Discovery](https://lemstudio.co/yc-companies/atlas-discovery-31532) — **Atlas Discovery** · YC Summer 2026 · Healthcare, Drug Discovery and Delivery · Active · team 3 · yc_id:31532 — AI-native pharma company
- [AtlasGrid](https://lemstudio.co/yc-companies/atlasgrid-30882) — **AtlasGrid** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:30882 — Accelerate Product Iteration
- [Atlia](https://lemstudio.co/yc-companies/atlia-31257) — **Atlia** · YC Summer 2026 · Real Estate and Construction, Housing and Real Estate · Active · team 2 · yc_id:31257 — The AI-native property management company for short-term rentals
- [Atlog](https://lemstudio.co/yc-companies/atlog-30336) — **Atlog** · YC Spring 2025 · B2B, Operations · Active · team 2 · yc_id:30336 — Outbound voice and text AI without a prompt
- [Atmana](https://lemstudio.co/yc-companies/atmana-24055) — **Atmana** · YC Summer 2021 · Consumer · Active · team 8 · yc_id:24055 — Apps to control technology addictions/ helping startups hire engineers
- [Atmeto](https://lemstudio.co/yc-companies/atmeto-28214) — **Atmeto** · YC Winter 2023 · Industrials, Energy · Active · team 2 · yc_id:28214 — Building a frontier world model for power
- [Atmo](https://lemstudio.co/yc-companies/atmo-13522) — **Atmo** · YC Winter 2020 · Industrials · Active · team 10 · yc_id:13522 — Ultra-precise AI weather forecasting.
- [Atmos](https://lemstudio.co/yc-companies/atmos-22307) — **Atmos** · YC Summer 2020 · Real Estate and Construction, Housing and Real Estate · Inactive · team 30 · yc_id:22307 — The entire homebuilding process, all online
- [AtoB](https://lemstudio.co/yc-companies/atob-21791) — **AtoB** · YC Summer 2020 · Fintech · Active · team 75 · yc_id:21791 — Modernizing global transportation payments.
- [Atomarine](https://lemstudio.co/yc-companies/atomarine-33607) — **Atomarine** · YC Summer 2026 · Industrials, Energy · Active · team 2 · yc_id:33607 — Floating nuclear powered data centers at sea.
- [Atomic](https://lemstudio.co/yc-companies/atomic-21915) — **Atomic** · YC Summer 2020 · B2B, Retail · Active · team 25 · yc_id:21915 — API that lets companies embed investment accounts into their services
- [Atomic Alchemy](https://lemstudio.co/yc-companies/atomic-alchemy-12012) — **Atomic Alchemy** · YC Winter 2019 · Industrials, Manufacturing and Robotics · Acquired · team 8 · yc_id:12012 — We produce cancer-curing materials used in nuclear medicine.
- [Atomic Industries](https://lemstudio.co/yc-companies/atomic-industries-22627) — **Atomic Industries** · YC Winter 2021 · Industrials, Manufacturing and Robotics · Active · team 60 · yc_id:22627 — Software orchestrated mass production of plastics
- [Atomized](https://lemstudio.co/yc-companies/atomized-21855) — **Atomized** · YC Summer 2020 · B2B, Infrastructure · Inactive · team 3 · yc_id:21855 — Enabling teams to deploy without needing a cloud expert
- [atopile](https://lemstudio.co/yc-companies/atopile-29308) — **atopile** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:29308 — We make tools to design electronics circuit boards with code
- [Atrato](https://lemstudio.co/yc-companies/atrato-22581) — **Atrato** · YC Winter 2021 · Fintech, Payments · Active · team 80 · yc_id:22581 — Enabling consumers split the cost of purchases without a credit card
- [Atrisa](https://lemstudio.co/yc-companies/atrisa-31373) — **Atrisa** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:31373 — AI Agents for Analog Circuit Design
- [Atrium](https://lemstudio.co/yc-companies/atrium-1845) — **Atrium** · YC Winter 2018 · B2B, Legal · Inactive · team 180 · yc_id:1845 — Modern law firm for startups powered by proprietary technology
- [Attack Capital](https://lemstudio.co/yc-companies/attack-capital-25075) — **Attack Capital** · YC Winter 2022 · B2B · Active · team 5 · yc_id:25075 — Access the start-up asset class with vetted private companies
- [Attain](https://lemstudio.co/yc-companies/attain-25928) — **Attain** · YC Winter 2022 · B2B · Active · team 5 · yc_id:25928 — One-Stop Shop for Convenience Store Inventory
- [attimet](https://lemstudio.co/yc-companies/attimet-30051) — **attimet** · YC Fall 2024 · Fintech · Active · team 3 · yc_id:30051 — Building the Prime Radiant
- [Attune](https://lemstudio.co/yc-companies/attune-30449) — **Attune** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30449 — Faster builds, zero effort.
- [Attunement](https://lemstudio.co/yc-companies/attunement-29315) — **Attunement** · YC Winter 2024 · Healthcare · Active · team 3 · yc_id:29315 — Attunement turns fragmented behavioral health records into structured…
- [Atum Works](https://lemstudio.co/yc-companies/atum-works-29662) — **Atum Works** · YC Spring 2025 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:29662 — Gigascale Nanomanufacturing
- [Auctomatic](https://lemstudio.co/yc-companies/auctomatic-349) — **Auctomatic** · YC Winter 2007 · Consumer, Home and Personal · Acquired · team 2 · yc_id:349
- [Auctor](https://lemstudio.co/yc-companies/auctor-30425) — **Auctor** · YC Spring 2025 · B2B · Active · team 30 · yc_id:30425 — The agentic operating system for modern system integrators.
- [Audiobeta](https://lemstudio.co/yc-companies/audiobeta-372) — **Audiobeta** · YC Winter 2006 · B2B, Marketing · Inactive · yc_id:372
- [AudioFocus](https://lemstudio.co/yc-companies/audiofocus-12611) — **AudioFocus** · YC Summer 2019 · Healthcare, Medical Devices · Inactive · team 4 · yc_id:12611 — Hearing aids that work in noisy places, like restaurants, using ML.
- [Audm](https://lemstudio.co/yc-companies/audm-1591) — **Audm** · YC Summer 2017 · Consumer, Content · Acquired · team 10 · yc_id:1591 — Audm is a subscription service providing mini-audiobooks —…
- [Audobox](https://lemstudio.co/yc-companies/audobox-557) — **Audobox** · YC Summer 2013 · B2B, Engineering, Product and Design · Inactive · yc_id:557 — Audobox is a developer and user friendly tool for in-app feedback.
- [Audun](https://lemstudio.co/yc-companies/audun-32222) — **Audun** · YC Summer 2026 · Fintech · Active · team 5 · yc_id:32222 — AI-native debt collection company
- [Aura Vision](https://lemstudio.co/yc-companies/aura-vision-12080) — **Aura Vision** · YC Winter 2019 · B2B, Retail · Active · team 10 · yc_id:12080 — In-store analytics AI assistant to fix your retail stores
- [Aurabeat](https://lemstudio.co/yc-companies/aurabeat-22935) — **Aurabeat** · YC Winter 2021 · Industrials, Energy · Active · team 12 · yc_id:22935 — Providing clean, safe, virus free air for homes, buildings and cars
- [Aurelian](https://lemstudio.co/yc-companies/aurelian-26913) — **Aurelian** · YC Summer 2022 · B2B · Active · team 45 · yc_id:26913 — Automating non-emergency calls for 911 centers
- [Auricle](https://lemstudio.co/yc-companies/auricle-22934) — **Auricle** · YC Winter 2021 · Healthcare, Medical Devices · Active · team 2 · yc_id:22934 — Neurostimulation implant to restore hearing & speech understanding
- [Auro Robotics](https://lemstudio.co/yc-companies/auro-robotics-954) — **Auro Robotics** · YC Summer 2015 · Industrials, Automotive · Acquired · yc_id:954 — Autonomous shuttles for campus-like environments.
- [AuroraQ](https://lemstudio.co/yc-companies/auroraq-12047) — **AuroraQ** · YC Winter 2019 · Industrials, Manufacturing and Robotics · Inactive · team 1 · yc_id:12047 — Building the first practical, integrated quantum computer.
- [Aurorin CAD](https://lemstudio.co/yc-companies/aurorin-cad-31292) — **Aurorin CAD** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:31292 — Claude code for Mechanical Engineers
- [autarc](https://lemstudio.co/yc-companies/autarc-29823) — **autarc** · YC Summer 2024 · B2B · Active · team 30 · yc_id:29823 — autarc is the agentic OS for energy installers.
- [Authologic](https://lemstudio.co/yc-companies/authologic-23531) — **Authologic** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 44 · yc_id:23531 — Stripe for online identity verification
- [Authy](https://lemstudio.co/yc-companies/authy-49) — **Authy** · YC Winter 2012 · B2B, Engineering, Product and Design · Acquired · team 201 · yc_id:49 — Authy is a Two-Factor Authentication platform for developers
- [authzed](https://lemstudio.co/yc-companies/authzed-22632) — **authzed** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 31 · yc_id:22632 — Authorization Infrastructure securing AI at OpenAI, Zoom, & more
- [AutoComputer](https://lemstudio.co/yc-companies/autocomputer-30077) — **AutoComputer** · YC Fall 2024 · B2B · Active · team 2 · yc_id:30077 — Desktop RPA with AI computer use
- [Autodial prev Qwest](https://lemstudio.co/yc-companies/autodial-prev-qwest-12062) — **Autodial prev Qwest** · YC Winter 2019 · Consumer · Active · team 1 · yc_id:12062 — Skip Busy Phone Lines
- [AutoHub](https://lemstudio.co/yc-companies/autohub-1588) — **AutoHub** · YC Summer 2017 · B2B, Retail · Acquired · team 2 · yc_id:1588 — We help dealerships appraise vehicle trade-ins more efficiently…
- [Automat](https://lemstudio.co/yc-companies/automat-28414) — **Automat** · YC Winter 2023 · B2B, Operations · Active · yc_id:28414 — Agentic automation that understands context, recovers, and improves.
- [Automate Ads](https://lemstudio.co/yc-companies/automate-ads-850) — **Automate Ads** · YC Winter 2015 · B2B, Marketing · Inactive · team 2 · yc_id:850 — On a mission to programmatically automate, optimize, and unify your…
- [Automatic](https://lemstudio.co/yc-companies/automatic-130) — **Automatic** · YC Summer 2011 · Consumer, Consumer Electronics · Acquired · team 51 · yc_id:130 — Automatic connects your car to the rest of your digital life.
- [Automax.ai](https://lemstudio.co/yc-companies/automax-ai-30956) — **Automax.ai** · YC Fall 2025 · Real Estate and Construction, Housing and Real Estate · Active · team 4 · yc_id:30956 — AI native real-estate appraisal firm
- [Automorphic](https://lemstudio.co/yc-companies/automorphic-28998) — **Automorphic** · YC Summer 2023 · B2B · Active · team 3 · yc_id:28998 — Infuse knowledge into language models with just 10 samples
- [autone](https://lemstudio.co/yc-companies/autone-27164) — **autone** · YC Summer 2022 · B2B, Retail · Active · team 70 · yc_id:27164 — Inventory management SaaS for Retail & Consumer brands
- [Autonomous Technologies Group](https://lemstudio.co/yc-companies/autonomous-technologies-group-30591) — **Autonomous Technologies Group** · YC Fall 2025 · Fintech · Active · team 8 · yc_id:30591 — Superintelligent financial advisor
- [AutoPallet Robotics](https://lemstudio.co/yc-companies/autopallet-robotics-29698) — **AutoPallet Robotics** · YC Summer 2024 · Industrials, Manufacturing and Robotics · Active · team 6 · yc_id:29698 — We make robots that move boxes in warehouses
- [Autosana](https://lemstudio.co/yc-companies/autosana-30720) — **Autosana** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:30720 — AI agents for E2E testing across mobile & web
- [AutoSitu](https://lemstudio.co/yc-companies/autositu-31130) — **AutoSitu** · YC Winter 2026 · B2B, Legal · Active · team 2 · yc_id:31130 — The AI operating system for the built world
- [Autostep](https://lemstudio.co/yc-companies/autostep-30408) — **Autostep** · YC Spring 2026 · B2B, Operations · Active · team 1 · yc_id:30408 — The P&L for knowledge work
- [Autotab](https://lemstudio.co/yc-companies/autotab-29136) — **Autotab** · YC Summer 2023 · B2B, Productivity · Acquired · team 2 · yc_id:29136 — AI agents reliable enough to do real work
- [Autumn](https://lemstudio.co/yc-companies/autumn-30086) — **Autumn** · YC Summer 2025 · B2B · Active · team 5 · yc_id:30086 — Billing infrastructure for AI
- [Autumn AI](https://lemstudio.co/yc-companies/autumn-ai-30715) — **Autumn AI** · YC Winter 2026 · B2B, Infrastructure · Active · team 2 · yc_id:30715 — Everything on anyone.
- [Autumn Labs](https://lemstudio.co/yc-companies/autumn-labs-29753) — **Autumn Labs** · YC Summer 2024 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:29753 — Datadog for industrial robots
- [Auxos](https://lemstudio.co/yc-companies/auxos-31510) — **Auxos** · YC Spring 2026 · B2B · Active · team 3 · yc_id:31510 — Simulations of real people for market research 
- [AvairSense](https://lemstudio.co/yc-companies/avairsense-25892) — **AvairSense** · YC Winter 2022 · Consumer, Consumer Electronics · Inactive · team 14 · yc_id:25892 — We go all out to Build the Smartest AI-Enabled Cameras!
- [Avalanche](https://lemstudio.co/yc-companies/avalanche-11978) — **Avalanche** · YC Winter 2019 · B2B, Marketing · Inactive · team 1 · yc_id:11978 — Referral program SDK for startups
- [Avallon AI](https://lemstudio.co/yc-companies/avallon-ai-30415) — **Avallon AI** · YC Spring 2025 · Fintech, Insurance · Active · team 7 · yc_id:30415 — AI agents for insurance claims operations
- [Avametric](https://lemstudio.co/yc-companies/avametric-645) — **Avametric** · YC Winter 2014 · B2B, Engineering, Product and Design · Acquired · team 11 · yc_id:645 — Simulate clothes on your body.
- [Avea Robotics](https://lemstudio.co/yc-companies/avea-robotics-31530) — **Avea Robotics** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:31530 — The human-in-the-loop system for robots
- [Avelis Health](https://lemstudio.co/yc-companies/avelis-health-30734) — **Avelis Health** · YC Summer 2025 · Healthcare, Healthcare IT · Active · team 3 · yc_id:30734 — We audit medical claims for self-insured employers and health plans.
- [Avent](https://lemstudio.co/yc-companies/avent-30799) — **Avent** · YC Summer 2025 · B2B · Active · team 5 · yc_id:30799 — AI agents for industrial commerce
- [Avenue](https://lemstudio.co/yc-companies/avenue-22771) — **Avenue** · YC Winter 2021 · B2B, Operations · Acquired · team 8 · yc_id:22771 — Observability platform for operations teams
- [AveryIQ](https://lemstudio.co/yc-companies/averyiq-29284) — **AveryIQ** · YC Winter 2024 · Real Estate and Construction, Housing and Real Estate · Active · team 3 · yc_id:29284 — AI Copilot for Property Managers and Landlords
- [AviaryAI](https://lemstudio.co/yc-companies/aviaryai-26897) — **AviaryAI** · YC Summer 2022 · Fintech · Active · team 10 · yc_id:26897 — Outbound AI voice agents for the financial services industry
- [Aviator](https://lemstudio.co/yc-companies/aviator-24841) — **Aviator** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:24841 — Google-level engineering productivity suite
- [Aviern](https://lemstudio.co/yc-companies/aviern-35093) — **Aviern** · YC Fall 2026 · Industrials, Drones · Active · team 4 · yc_id:35093 — Unmanned airplanes for geospatial intelligence
- [Avina](https://lemstudio.co/yc-companies/avina-27141) — **Avina** · YC Summer 2022 · B2B, Sales · Active · team 5 · yc_id:27141 — GTM signals engine for sales teams. Automate warm outbound with AI.
- [Avion](https://lemstudio.co/yc-companies/avion-13477) — **Avion** · YC Winter 2020 · Industrials, Drones · Active · yc_id:13477 — Avion builds and operates autonomous eVTOL drones that deliver vital…
- [Avion School](https://lemstudio.co/yc-companies/avion-school-23515) — **Avion School** · YC Winter 2021 · Education · Inactive · team 4 · yc_id:23515 — We teach Filipinos to become remote software engineers globally.
- [Aviro](https://lemstudio.co/yc-companies/aviro-30173) — **Aviro** · YC Spring 2025 · B2B · Active · team 2 · yc_id:30173 — Environments for Long Horizon Work
- [Aviron Interactive](https://lemstudio.co/yc-companies/aviron-interactive-22828) — **Aviron Interactive** · YC Winter 2021 · Consumer, Home and Personal · Active · team 90 · yc_id:22828 — Aviron transforms workouts with game-based exercise machines, making…
- [Avo](https://lemstudio.co/yc-companies/avo-12003) — **Avo** · YC Winter 2019 · B2B, Analytics · Active · team 10 · yc_id:12003 — Fixing data quality in product analytics.
- [Avo](https://lemstudio.co/yc-companies/avo-1948) — **Avo** · YC Summer 2018 · Consumer, Home and Personal · Inactive · team 10 · yc_id:1948 — Online convenience store for residential and office buildings
- [Avoca](https://lemstudio.co/yc-companies/avoca-27655) — **Avoca** · YC Winter 2023 · B2B · Active · team 85 · yc_id:27655 — AI-powered Sales Agent for Service-Based Industries
- [Avoca Systems](https://lemstudio.co/yc-companies/avoca-systems-33314) — **Avoca Systems** · YC Summer 2026 · Healthcare · Active · team 6 · yc_id:33314 — The AI operating system for radiology networks
- [Avocademy](https://lemstudio.co/yc-companies/avocademy-26004) — **Avocademy** · YC Winter 2022 · Education · Active · team 6 · yc_id:26004 — We teach UX/UI design and then help people get great jobs. 
- [Avocado](https://lemstudio.co/yc-companies/avocado-22717) — **Avocado** · YC Winter 2021 · B2B, Retail · Active · team 4 · yc_id:22717 — AI-Native Restaurant POS
- [Avoice](https://lemstudio.co/yc-companies/avoice-31121) — **Avoice** · YC Winter 2026 · B2B · Active · team 7 · yc_id:31121 — AI-native workspace for AEC
- [Avora](https://lemstudio.co/yc-companies/avora-30019) — **Avora** · YC Fall 2024 · Healthcare · Active · team 4 · yc_id:30019 — Agents for dental operations
- [Avro Life Science](https://lemstudio.co/yc-companies/avro-life-science-1757) — **Avro Life Science** · YC Winter 2018 · Healthcare, Drug Discovery and Delivery · Active · team 8 · yc_id:1757 — Skin patches for generic drug delivery. 
- [Awari](https://lemstudio.co/yc-companies/awari-23423) — **Awari** · YC Winter 2021 · Education · Acquired · team 35 · yc_id:23423 — Reinventing lifelong learning for the future of work.
- [awen](https://lemstudio.co/yc-companies/awen-30199) — **awen** · YC Winter 2025 · B2B · Active · team 6 · yc_id:30199 — awen translates intent into exceptional visuals through conversation
- [Awesometalk](https://lemstudio.co/yc-companies/awesometalk-579) — **Awesometalk** · YC Winter 2014 · Consumer, Social · Inactive · team 2 · yc_id:579 — Free video calling without the hassle.
- [Awesomic](https://lemstudio.co/yc-companies/awesomic-24170) — **Awesomic** · YC Summer 2021 · B2B · Active · team 150 · yc_id:24170 — Get matched with top 1% of talents in 24h
- [Awtomic](https://lemstudio.co/yc-companies/awtomic-22078) — **Awtomic** · YC Summer 2020 · B2B, Retail · Active · team 11 · yc_id:22078 — Dollar Shave Club as a platform. 
- [Axal](https://lemstudio.co/yc-companies/axal-30353) — **Axal** · YC Winter 2025 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:30353 — We design, assemble, and test custom PCBs fast.
- [AXAR AI](https://lemstudio.co/yc-companies/axar-ai-23629) — **AXAR AI** · YC Winter 2021 · B2B · Inactive · team 40 · yc_id:23629 — Multi-agent orchestration platform
- [AXDRAFT](https://lemstudio.co/yc-companies/axdraft-12260) — **AXDRAFT** · YC Winter 2019 · B2B, Legal · Acquired · team 34 · yc_id:12260 — AXDRAFT helps corporations draft, negotiate and approve documents 10x…
- [Axel Travel](https://lemstudio.co/yc-companies/axel-travel-12065) — **Axel Travel** · YC Winter 2019 · Consumer, Travel, Leisure and Tourism · Active · team 20 · yc_id:12065 — AI agent that saves you money on travel
- [Axelrod](https://lemstudio.co/yc-companies/axelrod-33045) — **Axelrod** · YC Summer 2026 · B2B · Active · team 2 · yc_id:33045 — Hotels that run themselves
- [Axial](https://lemstudio.co/yc-companies/axial-30996) — **Axial** · YC Fall 2025 · Industrials, Manufacturing and Robotics · Active · team 1 · yc_id:30996 — Accelerated Physics Kernels for Computational Engineering
- [Axiom](https://lemstudio.co/yc-companies/axiom-30192) — **Axiom** · YC Winter 2025 · Fintech, Consumer Finance · Active · team 2 · yc_id:30192 — Trade memecoins, perpetuals, and earn yield.
- [Axiom.ai](https://lemstudio.co/yc-companies/axiom-ai-22742) — **Axiom.ai** · YC Winter 2021 · B2B, Operations · Active · team 8 · yc_id:22742 — No-code Browser RPA
- [AxionOrbital Space](https://lemstudio.co/yc-companies/axionorbital-space-31209) — **AxionOrbital Space** · YC Winter 2026 · Industrials, Aviation and Space · Active · team 2 · yc_id:31209 — Foundation models for 24/7 Earth Observation
- [Axis](https://lemstudio.co/yc-companies/axis-31092) — **Axis** · YC Winter 2026 · Fintech · Active · team 2 · yc_id:31092 — An AI Copilot for Trading Desks
- [Axis](https://lemstudio.co/yc-companies/axis-25607) — **Axis** · YC Winter 2022 · B2B, Productivity · Active · team 15 · yc_id:25607 — Knowledge base for corporate affairs teams
- [Axle](https://lemstudio.co/yc-companies/axle-27250) — **Axle** · YC Summer 2022 · Fintech · Active · team 20 · yc_id:27250 — AI-native clearinghouse for insurance
- [Axle Health](https://lemstudio.co/yc-companies/axle-health-22779) — **Axle Health** · YC Winter 2021 · Healthcare, Healthcare IT · Active · team 28 · yc_id:22779 — Scheduling and workforce management SaaS for home healthcare providers
- [Axolo](https://lemstudio.co/yc-companies/axolo-23412) — **Axolo** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:23412 — Improving Developer Experience with Streamlined Code Reviews
- [Axoni](https://lemstudio.co/yc-companies/axoni-597) — **Axoni** · YC Winter 2014 · Fintech, Banking and Exchange · Acquired · team 155 · yc_id:597 — Axoni is building the next generation of capital markets technology
- [Axross Pte Ltd](https://lemstudio.co/yc-companies/axross-pte-ltd-25351) — **Axross Pte Ltd** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:25351 — AI-driven HVAC control system for improved energy performance
- [AYC Fund](https://lemstudio.co/yc-companies/ayc-fund-26019) — **AYC Fund** · YC Winter 2022 · Fintech, Asset Management · Active · team 1 · yc_id:26019 — AI-native crypto hedge fund
- [Azalea Robotics Corporation](https://lemstudio.co/yc-companies/azalea-robotics-corporation-29657) — **Azalea Robotics Corporation** · YC Summer 2024 · Industrials, Manufacturing and Robotics · Active · yc_id:29657 — Automating airport baggage handling with robots.
- [b12 Labs](https://lemstudio.co/yc-companies/b12-labs-30689) — **b12 Labs** · YC Summer 2025 · Healthcare, Drug Discovery and Delivery · Active · team 3 · yc_id:30689 — Making hard molecules for Pharma and Biotech
- [Backdrop](https://lemstudio.co/yc-companies/backdrop-27701) — **Backdrop** · YC Winter 2023 · B2B · Active · team 2 · yc_id:27701 — AI coworkers for running projects and operations
- [BackerKit](https://lemstudio.co/yc-companies/backerkit-444) — **BackerKit** · YC Summer 2012 · B2B, Sales · Active · team 42 · yc_id:444 — The only end-to-end crowdfunding platform built for today’s creators
- [Backpack](https://lemstudio.co/yc-companies/backpack-653) — **Backpack** · YC Summer 2014 · Consumer, Home and Personal · Active · team 2 · yc_id:653 — Marketplace to get stuff from overseas
- [BackType](https://lemstudio.co/yc-companies/backtype-291) — **BackType** · YC Summer 2008 · B2B, Marketing · Acquired · yc_id:291 — BackType was an analytics company acquired by Twitter in 2011
- [Bagaveev Corporation](https://lemstudio.co/yc-companies/bagaveev-corporation-843) — **Bagaveev Corporation** · YC Winter 2015 · Industrials, Aviation and Space · Inactive · team 2 · yc_id:843 — Launch small satellites
- [Bakool](https://lemstudio.co/yc-companies/bakool-25596) — **Bakool** · YC Winter 2022 · Consumer · Active · team 30 · yc_id:25596 — Group buying for Fresh in Indonesia's tier 2 cities
- [Balance](https://lemstudio.co/yc-companies/balance-31236) — **Balance** · YC Winter 2026 · B2B, Finance and Accounting · Active · team 20 · yc_id:31236 — Full-Stack AI Accounting
- [Balance](https://lemstudio.co/yc-companies/balance-21988) — **Balance** · YC Summer 2020 · Fintech, Payments · Active · team 70 · yc_id:21988 — The first digital payment experience company, built for B2B.  
- [Balanced](https://lemstudio.co/yc-companies/balanced-161) — **Balanced** · YC Winter 2011 · Fintech, Consumer Finance · Inactive · team 11 · yc_id:161 — Payments for Marketplaces
- [Ballerine](https://lemstudio.co/yc-companies/ballerine-26749) — **Ballerine** · YC Summer 2022 · Fintech · Active · team 16 · yc_id:26749 — Agentic Intelligence Layer for Merchant Risk Decisions
- [Balto](https://lemstudio.co/yc-companies/balto-12372) — **Balto** · YC Winter 2019 · Consumer, Gaming · Acquired · team 5 · yc_id:12372 — Acquired by FuboTV (NYSE: FUBO) - Contest automation software…
- [Bamboo](https://lemstudio.co/yc-companies/bamboo-13485) — **Bamboo** · YC Winter 2020 · Fintech, Consumer Finance · Active · team 14 · yc_id:13485 — Bamboo ― the first online brokerage service for Africans and their…
- [Banabo](https://lemstudio.co/yc-companies/banabo-26564) — **Banabo** · YC Summer 2022 · B2B, Marketing · Active · team 2 · yc_id:26564 — ML Marketing Infrastructure
- [Bandit ML](https://lemstudio.co/yc-companies/bandit-ml-21771) — **Bandit ML** · YC Summer 2020 · B2B · Acquired · team 4 · yc_id:21771 — Bandit ML builds machine learning tools for e-commerce companies.
- [Bankjoy](https://lemstudio.co/yc-companies/bankjoy-763) — **Bankjoy** · YC Winter 2015 · Fintech, Banking and Exchange · Active · team 60 · yc_id:763 — An end-to-end digital banking solution for banks and credit unions
- [Banner](https://lemstudio.co/yc-companies/banner-12639) — **Banner** · YC Summer 2019 · Real Estate and Construction · Active · team 35 · yc_id:12639 — Banner makes software for CRE owners to manage capital spend
- [Bannerman](https://lemstudio.co/yc-companies/bannerman-654) — **Bannerman** · YC Summer 2014 · B2B, Office Management · Inactive · team 3 · yc_id:654 — Security Guard Company Marketplace
- [Baraka](https://lemstudio.co/yc-companies/baraka-23969) — **Baraka** · YC Summer 2021 · Fintech, Asset Management · Active · team 34 · yc_id:23969 — Grow Your Wealth With Baraka
- [BarSense](https://lemstudio.co/yc-companies/barsense-46) — **BarSense** · YC Winter 2012 · Consumer, Home and Personal · Inactive · yc_id:46 — Kid's first smartphone with web-based parental controls.
- [Basalt](https://lemstudio.co/yc-companies/basalt-29277) — **Basalt** · YC Winter 2024 · Industrials, Aviation and Space · Active · team 10 · yc_id:29277 — Constellations as a Service
- [Basedash](https://lemstudio.co/yc-companies/basedash-13150) — **Basedash** · YC Summer 2020 · B2B, Analytics · Active · team 6 · yc_id:13150 — The AI-native business intelligence platform
- [BaseFrame](https://lemstudio.co/yc-companies/baseframe-31107) — **BaseFrame** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31107 — Detect what AI can automate for your team
- [Baseline AI](https://lemstudio.co/yc-companies/baseline-ai-29794) — **Baseline AI** · YC Summer 2024 · Healthcare, Healthcare IT · Inactive · team 2 · yc_id:29794 — AI document creation and data management for clinical trials
- [Basement](https://lemstudio.co/yc-companies/basement-12284) — **Basement** · YC Winter 2019 · Consumer, Social · Inactive · team 2 · yc_id:12284 — The social network for your close friends.
- [Basepilot](https://lemstudio.co/yc-companies/basepilot-29451) — **Basepilot** · YC Winter 2024 · B2B, Productivity · Active · team 2 · yc_id:29451 — AI agents for insurance claims
- [Baserun](https://lemstudio.co/yc-companies/baserun-28999) — **Baserun** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:28999 — Observability and evaluation platform for LLM apps.
- [Basilica](https://lemstudio.co/yc-companies/basilica-11992) — **Basilica** · YC Winter 2019 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:11992 — Basilica is an API that embeds high-dimensional data like images and…
- [Baubap](https://lemstudio.co/yc-companies/baubap-24666) — **Baubap** · YC Summer 2021 · Fintech, Credit and Lending · Active · team 150 · yc_id:24666 — Smart micro financing for everyone
- [Baud](https://lemstudio.co/yc-companies/baud-28841) — **Baud** · YC Summer 2026 · Industrials · Active · team 3 · yc_id:28841 — AI chips for ultra-fast training and inference
- [Bayes](https://lemstudio.co/yc-companies/bayes-12573) — **Bayes** · YC Summer 2019 · B2B, Engineering, Product and Design · Acquired · team 4 · yc_id:12573
- [Bayes Impact](https://lemstudio.co/yc-companies/bayes-impact-732) — **Bayes Impact** · YC Summer 2014 · Unspecified · Active · team 11 · yc_id:732 — Tech nonprofit building the future of public services.
- [Bayesline](https://lemstudio.co/yc-companies/bayesline-29636) — **Bayesline** · YC Summer 2024 · Fintech, Asset Management · Active · team 3 · yc_id:29636 — Highly customizable and blazingly fast analytics for asset managers.
- [BBy](https://lemstudio.co/yc-companies/bby-26331) — **BBy** · YC Winter 2022 · Healthcare, Medical Devices · Active · team 70 · yc_id:26331 — BBy powders breast milk that's immunologically active & lasts 6 months
- [Beacon Health](https://lemstudio.co/yc-companies/beacon-health-31109) — **Beacon Health** · YC Winter 2026 · Healthcare · Active · team 2 · yc_id:31109 — AI Employees for Primary Care
- [Beacons](https://lemstudio.co/yc-companies/beacons-12243) — **Beacons** · YC Summer 2019 · Consumer, Social · Active · team 25 · yc_id:12243 — An AI-powered, all-in-one business platform for content creators
- [Beam](https://lemstudio.co/yc-companies/beam-25575) — **Beam** · YC Winter 2022 · B2B, Infrastructure · Active · team 5 · yc_id:25575 — AI-Native Cloud Platform
- [Beanstalk](https://lemstudio.co/yc-companies/beanstalk-1730) — **Beanstalk** · YC Winter 2018 · Industrials, Agriculture · Active · team 15 · yc_id:1730 — Great tasting produce, farmed around the corner
- [Bear Flag Robotics](https://lemstudio.co/yc-companies/bear-flag-robotics-1743) — **Bear Flag Robotics** · YC Winter 2018 · Industrials, Agriculture · Acquired · team 10 · yc_id:1743 — Autonomous driving technology for farm tractors.
- [BeatDeck](https://lemstudio.co/yc-companies/beatdeck-495) — **BeatDeck** · YC Winter 2013 · B2B, Retail · Inactive · team 2 · yc_id:495 — Music, Metrics... Meritocracy. 
(Upload Music, Connect your Social…
- [Beau](https://lemstudio.co/yc-companies/beau-24913) — **Beau** · YC Summer 2021 · B2B, Operations · Active · team 5 · yc_id:24913 — Workflows for repetitive customer-facing tasks
- [BeeBettor](https://lemstudio.co/yc-companies/beebettor-29758) — **BeeBettor** · YC Summer 2024 · Consumer, Gaming · Active · team 2 · yc_id:29758 — Robinhood for sports prediction markets
- [Beek](https://lemstudio.co/yc-companies/beek-1472) — **Beek** · YC Winter 2017 · Consumer, Content · Inactive · team 32 · yc_id:1472 — Leading audio subscription platform for Spanish content and creators
- [Beep](https://lemstudio.co/yc-companies/beep-726) — **Beep** · YC Summer 2014 · Industrials, Manufacturing and Robotics · Inactive · team 2 · yc_id:726 — Cellular networks for IoT.
- [Beeper](https://lemstudio.co/yc-companies/beeper-23939) — **Beeper** · YC Summer 2021 · Consumer · Acquired · team 16 · yc_id:23939 — One chat app to rule them all
- [BeeSafe AI](https://lemstudio.co/yc-companies/beesafe-ai-31248) — **BeeSafe AI** · YC Winter 2026 · B2B, Security · Active · team 3 · yc_id:31248 — Frontier AI Defenses for Social Engineering Attacks
- [Beetailer](https://lemstudio.co/yc-companies/beetailer-135) — **Beetailer** · YC Winter 2011 · B2B, Retail · Inactive · team 2 · yc_id:135 — Facebook stores.
- [Beglaubigt.de](https://lemstudio.co/yc-companies/beglaubigt-de-30067) — **Beglaubigt.de** · YC Fall 2024 · B2B, Legal · Active · team 15 · yc_id:30067 — The legal back-office for European founders - the incorporation API…
- [BeGo](https://lemstudio.co/yc-companies/bego-13498) — **BeGo** · YC Winter 2020 · B2B, Supply Chain and Logistics · Active · team 65 · yc_id:13498 — BeGo Connects cargo shippers with truck suppliers in Mexico and US
- [Bellabeat](https://lemstudio.co/yc-companies/bellabeat-580) — **Bellabeat** · YC Winter 2014 · Consumer, Consumer Electronics · Active · team 134 · yc_id:580 — Tech-powered women's wellness.
- [BelozFi](https://lemstudio.co/yc-companies/belozfi-25973) — **BelozFi** · YC Winter 2022 · Fintech, Credit and Lending · Active · team 29 · yc_id:25973 — Financial health focused micro-lender in Mexico
- [Beluga](https://lemstudio.co/yc-companies/beluga-30438) — **Beluga** · YC Spring 2025 · B2B, Marketing · Active · team 3 · yc_id:30438 — Creator marketing that scales like paid ads
- [Belvedir](https://lemstudio.co/yc-companies/belvedir-32133) — **Belvedir** · YC Summer 2026 · B2B · Active · team 1 · yc_id:32133 — Your custom AI model factory
- [Belvo](https://lemstudio.co/yc-companies/belvo-13610) — **Belvo** · YC Winter 2020 · Fintech, Banking and Exchange · Active · team 100 · yc_id:13610 — Open Finance API platform for Latam.
- [Bemlo](https://lemstudio.co/yc-companies/bemlo-25825) — **Bemlo** · YC Winter 2022 · Healthcare, Healthcare IT · Active · team 13 · yc_id:25825 — AI-native scheduling and workforce management platform for healthcare
- [Ben](https://lemstudio.co/yc-companies/ben-1855) — **Ben** · YC Winter 2018 · Fintech, Banking and Exchange · Inactive · team 2 · yc_id:1855 — The easiest way to learn about, buy, and store cryptocurrency.
- [Benchify](https://lemstudio.co/yc-companies/benchify-29712) — **Benchify** · YC Summer 2024 · B2B · Active · team 4 · yc_id:29712 — Executable healthcare contracts
- [Benchling](https://lemstudio.co/yc-companies/benchling-445) — **Benchling** · YC Summer 2012 · B2B · Active · team 750 · yc_id:445 — Unlocking the power of biotech with modern software for modern science
- [Benchmark](https://lemstudio.co/yc-companies/benchmark-28127) — **Benchmark** · YC Winter 2023 · B2B, Finance and Accounting · Active · team 7 · yc_id:28127 — Decision infrastructure for investment firms
- [Benepass](https://lemstudio.co/yc-companies/benepass-13170) — **Benepass** · YC Winter 2020 · B2B, Human Resources · Active · team 45 · yc_id:13170 — Fintech for corporate compensation
- [Bensen](https://lemstudio.co/yc-companies/bensen-12020) — **Bensen** · YC Winter 2019 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:12020 — Online and phone ordering for restaurant takeout and delivery
- [Benson](https://lemstudio.co/yc-companies/benson-25728) — **Benson** · YC Winter 2022 · Fintech, Consumer Finance · Active · team 3 · yc_id:25728 — Easily invest like the rich
- [Bento](https://lemstudio.co/yc-companies/bento-21805) — **Bento** · YC Summer 2020 · B2B, Productivity · Inactive · yc_id:21805 — In product customer activation
- [Bentocart](https://lemstudio.co/yc-companies/bentocart-12250) — **Bentocart** · YC Winter 2019 · Consumer, Food and Beverage · Active · team 3 · yc_id:12250 — Last-mile delivery for perishables.
- [BentoLabs AI](https://lemstudio.co/yc-companies/bentolabs-ai-31423) — **BentoLabs AI** · YC Spring 2026 · B2B · Active · team 5 · yc_id:31423 — Monitoring and learning layer for long-running agents
- [Berbix](https://lemstudio.co/yc-companies/berbix-1951) — **Berbix** · YC Summer 2018 · B2B, Engineering, Product and Design · Acquired · team 39 · yc_id:1951 — Convert more verified users. Instantly & accurately validate user IDs.
- [Berilium](https://lemstudio.co/yc-companies/berilium-27922) — **Berilium** · YC Winter 2023 · Fintech, Asset Management · Active · team 3 · yc_id:27922 — Invest in top Private Equity and Private Credit starting at $10k
- [Bernard](https://lemstudio.co/yc-companies/bernard-32161) — **Bernard** · YC Summer 2026 · B2B, Operations · Active · team 9 · yc_id:32161 — AI employees that run home appliance repair companies
- [Berry](https://lemstudio.co/yc-companies/berry-28111) — **Berry** · YC Winter 2023 · B2B, Operations · Active · team 8 · yc_id:28111 — Scale customer success and onboarding with AI 
- [Besimple AI](https://lemstudio.co/yc-companies/besimple-ai-30500) — **Besimple AI** · YC Spring 2025 · B2B · Active · team 10 · yc_id:30500 — Voice data for AI
- [Better Auth](https://lemstudio.co/yc-companies/better-auth-30452) — **Better Auth** · YC Spring 2025 · B2B, Security · Active · team 4 · yc_id:30452 — The authentication framework for TypeScript
- [Better Opinions](https://lemstudio.co/yc-companies/better-opinions-25924) — **Better Opinions** · YC Winter 2022 · Consumer, Gaming · Active · team 12 · yc_id:25924 — Prediction market of India
- [BetterBasket](https://lemstudio.co/yc-companies/betterbasket-29409) — **BetterBasket** · YC Winter 2024 · B2B, Analytics · Active · team 5 · yc_id:29409 — Smart grocery pricing with AI
- [Betterhalf](https://lemstudio.co/yc-companies/betterhalf-23175) — **Betterhalf** · YC Winter 2021 · Consumer, Social · Active · team 25 · yc_id:23175 — India’s first and only marriage super app
- [beU delivery](https://lemstudio.co/yc-companies/beu-delivery-26163) — **beU delivery** · YC Winter 2022 · Consumer, Food and Beverage · Active · team 300 · yc_id:26163 — Food delivery service in Africa
- [BeWell Digital](https://lemstudio.co/yc-companies/bewell-digital-22718) — **BeWell Digital** · YC Winter 2021 · Healthcare, Healthcare IT · Inactive · team 2 · yc_id:22718 — Building the operating system for diagnosis.
- [Beyond Aero](https://lemstudio.co/yc-companies/beyond-aero-26134) — **Beyond Aero** · YC Winter 2022 · Industrials, Aviation and Space · Active · team 80 · yc_id:26134 — First electric business aircraft designed for hydrogen propulsion
- [Beyond Reach Labs](https://lemstudio.co/yc-companies/beyond-reach-labs-31142) — **Beyond Reach Labs** · YC Winter 2026 · Industrials, Aviation and Space · Active · team 8 · yc_id:31142 — Space solar arrays that grow to the size of a football field in orbit
- [Bezel](https://lemstudio.co/yc-companies/bezel-30240) — **Bezel** · YC Winter 2025 · B2B · Active · team 1 · yc_id:30240 — Digital AI humans that model clothes for e-commerce brands.
- [BharatX](https://lemstudio.co/yc-companies/bharatx-25615) — **BharatX** · YC Winter 2022 · Fintech, Credit and Lending · Acquired · team 14 · yc_id:25615 — Enable Buy-Now-Pay-Later in a White-Labelled Manner
- [BHRD](https://lemstudio.co/yc-companies/bhrd-1972) — **BHRD** · YC Summer 2018 · B2B, Finance and Accounting · Inactive · team 3 · yc_id:1972 — BHRD ("Be Heard") helps public companies communicate with investors.
- [Bicycle AI](https://lemstudio.co/yc-companies/bicycle-ai-1534) — **Bicycle AI** · YC Winter 2017 · B2B, Operations · Inactive · team 11 · yc_id:1534 — Bicycle AI provides customer support as a service. We work on top of…
- [Bidflow](https://lemstudio.co/yc-companies/bidflow-30620) — **Bidflow** · YC Winter 2026 · Real Estate and Construction, Construction · Active · team 2 · yc_id:30620 — AI Takeoffs for Electrical
- [Bifrost](https://lemstudio.co/yc-companies/bifrost-25569) — **Bifrost** · YC Winter 2022 · Fintech, Asset Management · Inactive · team 4 · yc_id:25569 — Wills and Estate Management for Crypto
- [BiggerPicture](https://lemstudio.co/yc-companies/biggerpicture-26850) — **BiggerPicture** · YC Summer 2022 · B2B · Active · team 9 · yc_id:26850 — The largest freight scheduling network in the industry.
- [BIK](https://lemstudio.co/yc-companies/bik-22002) — **BIK** · YC Summer 2020 · B2B, Retail · Active · team 55 · yc_id:22002 — Agentic AI CRM for ecommerce
- [Bikanta](https://lemstudio.co/yc-companies/bikanta-657) — **Bikanta** · YC Summer 2014 · Healthcare, Diagnostics · Inactive · team 2 · yc_id:657 — Nano-diamonds for cancer detection
- [Bikry](https://lemstudio.co/yc-companies/bikry-13372) — **Bikry** · YC Winter 2020 · B2B, Retail · Active · team 25 · yc_id:13372 — Bikry: Helping SMB's in India go online 
- [Bilanc](https://lemstudio.co/yc-companies/bilanc-29373) — **Bilanc** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29373 — AI-Powered Engineering Productivity
- [Bild AI](https://lemstudio.co/yc-companies/bild-ai-30177) — **Bild AI** · YC Winter 2025 · Real Estate and Construction, Construction · Active · team 9 · yc_id:30177 — AI estimating & detailing for Division 8 doors, frames & hardware
- [Billforward](https://lemstudio.co/yc-companies/billforward-658) — **Billforward** · YC Summer 2014 · Fintech, Payments · Inactive · team 8 · yc_id:658 — Subscription billing, rate plan management and analytics as a…
- [BillionToOne](https://lemstudio.co/yc-companies/billiontoone-1109) — **BillionToOne** · YC Summer 2017 · Healthcare, Diagnostics · Public · team 300 · yc_id:1109 — The genetic testing platform detecting and measuring disease.
- [Billow AI Labs](https://lemstudio.co/yc-companies/billow-ai-labs-33606) — **Billow AI Labs** · YC Summer 2026 · B2B, Finance and Accounting · Active · yc_id:33606 — AI-native Accounting Firm that's killing Deloitte
- [Bimaplan](https://lemstudio.co/yc-companies/bimaplan-22792) — **Bimaplan** · YC Winter 2021 · Fintech, Insurance · Active · team 30 · yc_id:22792 — Affordable insurance for the next billion Indians
- [Bindwell](https://lemstudio.co/yc-companies/bindwell-30263) — **Bindwell** · YC Winter 2025 · Industrials, Agriculture · Active · team 13 · yc_id:30263 — Discovering new pesticides with AI
- [Binks](https://lemstudio.co/yc-companies/binks-12711) — **Binks** · YC Summer 2019 · Consumer, Apparel and Cosmetics · Active · team 70 · yc_id:12711 — A zero inventory, zero returns factory-to-consumer apparel company
- [Biobot Analytics](https://lemstudio.co/yc-companies/biobot-analytics-1763) — **Biobot Analytics** · YC Winter 2018 · Government · Active · team 12 · yc_id:1763 — Population health analytics powered by wastewater.
- [Biocartesian](https://lemstudio.co/yc-companies/biocartesian-29749) — **Biocartesian** · YC Summer 2024 · Healthcare, Drug Discovery and Delivery · Active · team 2 · yc_id:29749 — Converting biology into digital molecular maps
- [Biocogniv](https://lemstudio.co/yc-companies/biocogniv-21932) — **Biocogniv** · YC Summer 2020 · Healthcare · Acquired · team 6 · yc_id:21932
- [Biodock](https://lemstudio.co/yc-companies/biodock-23190) — **Biodock** · YC Winter 2021 · Healthcare, Therapeutics · Active · team 8 · yc_id:23190 — Cloud AI microscopy automation
- [Biographicon](https://lemstudio.co/yc-companies/biographicon-342) — **Biographicon** · YC Summer 2007 · Consumer, Content · Inactive · team 2 · yc_id:342
- [BioRender](https://lemstudio.co/yc-companies/biorender-1790) — **BioRender** · YC Winter 2018 · B2B · Active · team 250 · yc_id:1790 — 'Figma/Canva for scientists’
- [BIOS Health](https://lemstudio.co/yc-companies/bios-health-1528) — **BIOS Health** · YC Winter 2017 · Healthcare · Active · team 45 · yc_id:1528 — Neural interfaces to understand and use nerve data in medicine.
- [BioStack Platforms](https://lemstudio.co/yc-companies/biostack-platforms-31477) — **BioStack Platforms** · YC Spring 2026 · Healthcare · Active · team 10 · yc_id:31477 — Real world training envs for healthcare AI models
- [Birch Biosciences](https://lemstudio.co/yc-companies/birch-biosciences-26675) — **Birch Biosciences** · YC Summer 2022 · Industrials, Climate · Active · team 10 · yc_id:26675 — We recycle plastic using engineered enzymes
- [Bird](https://lemstudio.co/yc-companies/bird-1433) — **Bird** · YC Summer 2016 · B2B, Engineering, Product and Design · Active · team 500 · yc_id:1433 — The world’s largest omnichannel communications platform
- [Birdie](https://lemstudio.co/yc-companies/birdie-24799) — **Birdie** · YC Summer 2021 · B2B, Sales · Active · team 2 · yc_id:24799 — Connect LinkedIn to your CRM to automate and track LinkedIn outreach.
- [Bistrobot](https://lemstudio.co/yc-companies/bistrobot-906) — **Bistrobot** · YC Summer 2015 · B2B, Retail · Inactive · team 2 · yc_id:906 — We make robots that make sandwiches.
- [Bitaccess](https://lemstudio.co/yc-companies/bitaccess-659) — **Bitaccess** · YC Summer 2014 · Fintech, Banking and Exchange · Acquired · team 55 · yc_id:659 — We make bitcoin simple. 
- [BitBoard](https://lemstudio.co/yc-companies/bitboard-30406) — **BitBoard** · YC Spring 2025 · B2B, Analytics · Active · team 2 · yc_id:30406 — Let your agent build dashboards and reporting.
- [Bite Ninja](https://lemstudio.co/yc-companies/bite-ninja-24140) — **Bite Ninja** · YC Summer 2021 · B2B · Active · team 20 · yc_id:24140 — Remote labor for restaurants
- [BiteSight](https://lemstudio.co/yc-companies/bitesight-29430) — **BiteSight** · YC Winter 2024 · Consumer, Social · Active · team 4 · yc_id:29430 — The video-first food delivery app. Imagine TikTok meets DoorDash.
- [Bitmovin](https://lemstudio.co/yc-companies/bitmovin-960) — **Bitmovin** · YC Summer 2015 · B2B, Infrastructure · Active · team 145 · yc_id:960 — Powers OTT online video providers with video developer tools.
- [Bitnami](https://lemstudio.co/yc-companies/bitnami-485) — **Bitnami** · YC Winter 2013 · B2B, Infrastructure · Acquired · team 75 · yc_id:485 — The App Store for Server Software
- [BitPatrol](https://lemstudio.co/yc-companies/bitpatrol-30558) — **BitPatrol** · YC Spring 2025 · B2B, Security · Acquired · team 1 · yc_id:30558 — AI-powered code security
- [Bitplay](https://lemstudio.co/yc-companies/bitplay-216) — **Bitplay** · YC Winter 2010 · Consumer, Social · Acquired · team 2 · yc_id:216 — Effortless Video Meetings
- Acquired by Jive Software in 2013
- [Bitrig](https://lemstudio.co/yc-companies/bitrig-30634) — **Bitrig** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30634 — Build and ship native Swift apps with AI
- [Bitrise](https://lemstudio.co/yc-companies/bitrise-1515) — **Bitrise** · YC Winter 2017 · B2B, Infrastructure · Active · team 243 · yc_id:1515 — Hosted Continuous Integration and Delivery for mobile apps
- [Bits](https://lemstudio.co/yc-companies/bits-21914) — **Bits** · YC Summer 2020 · Fintech, Consumer Finance · Active · team 15 · yc_id:21914 — Bits is a credit card designed to help people build credit
- [Bits to Atoms](https://lemstudio.co/yc-companies/bits-to-atoms-29982) — **Bits to Atoms** · YC Summer 2024 · Consumer, Job and Career Services · Active · team 3 · yc_id:29982 — Match job seekers to roles at deep technology startups.
- [BitSample](https://lemstudio.co/yc-companies/bitsample-323) — **BitSample** · YC Winter 2008 · B2B, Engineering, Product and Design · Inactive · yc_id:323
- [Bitstack](https://lemstudio.co/yc-companies/bitstack-26881) — **Bitstack** · YC Summer 2022 · Fintech · Active · team 16 · yc_id:26881 — All things money, with better money
- [Bizmark](https://lemstudio.co/yc-companies/bizmark-32200) — **Bizmark** · YC Summer 2026 · B2B · Active · team 2 · yc_id:32200 — OpenClaw for manufacturers
- [Bizzy](https://lemstudio.co/yc-companies/bizzy-752) — **Bizzy** · YC Winter 2015 · B2B, Retail · Acquired · team 2 · yc_id:752 — Bizzy is omni-channel marketing for ecommerce businesses.
- [Bizzy AI](https://lemstudio.co/yc-companies/bizzy-ai-30792) — **Bizzy AI** · YC Summer 2025 · B2B, Marketing · Active · yc_id:30792 — Bizzy works 24/7 so you never miss a lead.
- [BlackOakTV](https://lemstudio.co/yc-companies/blackoaktv-24818) — **BlackOakTV** · YC Summer 2021 · Consumer, Content · Inactive · team 2 · yc_id:24818 — A video subscription platform serving black viewers and creators.
- [Blacksmith](https://lemstudio.co/yc-companies/blacksmith-29509) — **Blacksmith** · YC Winter 2024 · B2B, Infrastructure · Active · team 3 · yc_id:29509 — The fastest way to run your GitHub Actions
- [Blair](https://lemstudio.co/yc-companies/blair-12658) — **Blair** · YC Summer 2019 · Fintech, Credit and Lending · Inactive · team 10 · yc_id:12658 — Financing education through Income Share Agreements
- [Bland AI](https://lemstudio.co/yc-companies/bland-ai-28804) — **Bland AI** · YC Summer 2023 · B2B, Infrastructure · Active · team 65 · yc_id:28804 — The enterprise platform for AI phone calls
- [Blank Bio](https://lemstudio.co/yc-companies/blank-bio-30613) — **Blank Bio** · YC Summer 2025 · Healthcare, Therapeutics · Active · team 6 · yc_id:30613 — RNA intelligence for precision medicine
- [Blaxel](https://lemstudio.co/yc-companies/blaxel-30366) — **Blaxel** · YC Spring 2025 · B2B · Acquired · team 12 · yc_id:30366 — The infrastructure for autonomous agents
- [Blaze](https://lemstudio.co/yc-companies/blaze-29840) — **Blaze** · YC Summer 2024 · Fintech, Payments · Active · team 5 · yc_id:29840 — Agentic Finance for your Life and Business
- [Blaze](https://lemstudio.co/yc-companies/blaze-25354) — **Blaze** · YC Winter 2022 · B2B · Active · team 10 · yc_id:25354 — Marketing automation for the modern world
- [Blee](https://lemstudio.co/yc-companies/blee-26778) — **Blee** · YC Summer 2022 · Fintech · Active · team 15 · yc_id:26778 — Smart, fast, and collaborative compliance reviews 
- [BlindPay](https://lemstudio.co/yc-companies/blindpay-30363) — **BlindPay** · YC Winter 2025 · Fintech, Payments · Active · team 9 · yc_id:30363 — Stablecoin API for global payments
- [Blink](https://lemstudio.co/yc-companies/blink-23445) — **Blink** · YC Winter 2021 · Industrials, Automotive · Inactive · team 5 · yc_id:23445 — Same-day delivery for e-commerce companies in Europe.
- [Blink](https://lemstudio.co/yc-companies/blink-25989) — **Blink** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:25989 — Build fully functional apps with AI.
- [Blissway](https://lemstudio.co/yc-companies/blissway-21902) — **Blissway** · YC Summer 2020 · Government · Active · team 22 · yc_id:21902 — The tolling industry’s prime tech infrastructure
- [Blitz](https://lemstudio.co/yc-companies/blitz-26717) — **Blitz** · YC Summer 2022 · B2B, Operations · Active · team 4 · yc_id:26717 — Lovable for non-tech users: Build no-code internal and customer apps
- [Blitz Esports](https://lemstudio.co/yc-companies/blitz-esports-948) — **Blitz Esports** · YC Summer 2015 · Consumer, Content · Acquired · team 11 · yc_id:948 — Blitz breaks down the complex world of esports and offers new…
- [BlitzIQ](https://lemstudio.co/yc-companies/blitziq-12045) — **BlitzIQ** · YC Winter 2019 · B2B, Sales · Inactive · yc_id:12045 — Note taking workspace for B2B sales teams
- [Blitzllama](https://lemstudio.co/yc-companies/blitzllama-25730) — **Blitzllama** · YC Winter 2022 · B2B · Acquired · team 7 · yc_id:25730 — A platform to collect and analyze in-product user feedback
- [Blixo](https://lemstudio.co/yc-companies/blixo-23820) — **Blixo** · YC Summer 2021 · B2B, Finance and Accounting · Active · team 2 · yc_id:23820 — Accounts receivable automation to help companies get paid faster 
- [Blockscope](https://lemstudio.co/yc-companies/blockscope-27167) — **Blockscope** · YC Summer 2022 · B2B, Infrastructure · Active · team 4 · yc_id:27167 — Palantir for Web3
- [Blockspring](https://lemstudio.co/yc-companies/blockspring-676) — **Blockspring** · YC Summer 2014 · B2B, Infrastructure · Acquired · team 3 · yc_id:676 — Automate data collection for spreadsheets and productivity tools.
- [Blockstamp](https://lemstudio.co/yc-companies/blockstamp-12865) — **Blockstamp** · YC Summer 2019 · Industrials, Manufacturing and Robotics · Inactive · team 2 · yc_id:12865 — Blockstamp is an asset management software for industrial equipment
- [Blok](https://lemstudio.co/yc-companies/blok-13200) — **Blok** · YC Winter 2020 · Consumer, Home and Personal · Inactive · team 2 · yc_id:13200 — A platform for fitness instructors to build their business and…
- [Bloom](https://lemstudio.co/yc-companies/bloom-31293) — **Bloom** · YC Spring 2026 · B2B · Active · team 3 · yc_id:31293 — The brand layer for agents.
- [Bloom](https://lemstudio.co/yc-companies/bloom-23555) — **Bloom** · YC Winter 2021 · Fintech, Consumer Finance · Active · team 8 · yc_id:23555 — Investing app that teaches you how to invest
- [Bloom](https://lemstudio.co/yc-companies/bloom-30412) — **Bloom** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30412 — Build and share mobile apps in seconds
- [Bloom Institute of Technology](https://lemstudio.co/yc-companies/bloom-institute-of-technology-1594) — **Bloom Institute of Technology** · YC Summer 2017 · Education · Active · team 50 · yc_id:1594 — The online coding school that invests in you.
- [BloomAPI](https://lemstudio.co/yc-companies/bloomapi-1458) — **BloomAPI** · YC Winter 2017 · Healthcare, Healthcare IT · Active · team 7 · yc_id:1458 — BloomAPI helps doctors share clinical data. Today most healthcare…
- [BloomThat](https://lemstudio.co/yc-companies/bloomthat-524) — **BloomThat** · YC Summer 2013 · Consumer, Home and Personal · Acquired · team 11 · yc_id:524 — Uber for Flowers.
- [Bloomy](https://lemstudio.co/yc-companies/bloomy-32551) — **Bloomy** · YC Summer 2026 · Education · Active · team 1 · yc_id:32551 — AI-native learning for every school
- [Blue](https://lemstudio.co/yc-companies/blue-30813) — **Blue** · YC Summer 2025 · Consumer · Active · team 6 · yc_id:30813 — Your phone finally has someone to run it. Plug in Blue, just ask.
- [Blue Frog Gaming](https://lemstudio.co/yc-companies/blue-frog-gaming-326) — **Blue Frog Gaming** · YC Summer 2007 · Consumer, Gaming · Active · team 11 · yc_id:326
- [Blue Onion](https://lemstudio.co/yc-companies/blue-onion-21784) — **Blue Onion** · YC Summer 2020 · B2B, Finance and Accounting · Active · team 27 · yc_id:21784 — Financial data layer for AI-powered finance and accounting
- [Blueberry Pediatrics](https://lemstudio.co/yc-companies/blueberry-pediatrics-1731) — **Blueberry Pediatrics** · YC Winter 2018 · Healthcare, Healthcare IT · Active · team 15 · yc_id:1731 — 24/7 pediatric clinic in every family's living room
- [Bluebirds](https://lemstudio.co/yc-companies/bluebirds-27834) — **Bluebirds** · YC Winter 2023 · B2B, Sales · Acquired · team 6 · yc_id:27834 — Automate outbound with signals
- [Bluebook](https://lemstudio.co/yc-companies/bluebook-30334) — **Bluebook** · YC Winter 2025 · B2B, Finance and Accounting · Active · team 4 · yc_id:30334 — AI for accounting
- [BlueCargo](https://lemstudio.co/yc-companies/bluecargo-1969) — **BlueCargo** · YC Summer 2018 · B2B, Supply Chain and Logistics · Active · team 35 · yc_id:1969 — The automated solution for complex freight transactions.
- [Bluecrew](https://lemstudio.co/yc-companies/bluecrew-907) — **Bluecrew** · YC Summer 2015 · B2B, Recruiting and Talent · Acquired · team 100 · yc_id:907 — Bluecrew is a web based staffing agency.
- [Bluedoor](https://lemstudio.co/yc-companies/bluedoor-29810) — **Bluedoor** · YC Summer 2024 · B2B, Infrastructure · Active · team 1 · yc_id:29810 — AI for public records request fulfillment
- [Bluedot](https://lemstudio.co/yc-companies/bluedot-27862) — **Bluedot** · YC Winter 2023 · Fintech · Active · team 15 · yc_id:27862 — Bluedot is a single payment platform for EV drivers and fleets.
- [BlueHill Payments](https://lemstudio.co/yc-companies/bluehill-payments-26740) — **BlueHill Payments** · YC Summer 2022 · B2B, Productivity · Active · team 2 · yc_id:26740 — Client management, communication, and projects in one platform.
- [Bluejay](https://lemstudio.co/yc-companies/bluejay-30451) — **Bluejay** · YC Spring 2025 · B2B · Active · team 10 · yc_id:30451 — Test, monitor, and improve your voice and chat AI agents
- [Bluelight](https://lemstudio.co/yc-companies/bluelight-22703) — **Bluelight** · YC Winter 2021 · B2B, Analytics · Active · team 3 · yc_id:22703 — Analytics, built for the trades.
- [Blueshoe](https://lemstudio.co/yc-companies/blueshoe-30553) — **Blueshoe** · YC Spring 2025 · B2B, Legal · Active · team 2 · yc_id:30553 — The AI-Native Consumer + Plaintiff Law Firm
- [Bluesmart](https://lemstudio.co/yc-companies/bluesmart-753) — **Bluesmart** · YC Winter 2015 · Consumer, Consumer Electronics · Acquired · team 51 · yc_id:753 — Bluesmart makes smart luggage powered by an app to empower people to…
- [Bluma](https://lemstudio.co/yc-companies/bluma-30989) — **Bluma** · YC Fall 2025 · B2B, Marketing · Active · team 2 · yc_id:30989 — Canva for short-form video ads
- [Blume Benefits](https://lemstudio.co/yc-companies/blume-benefits-29307) — **Blume Benefits** · YC Winter 2024 · Fintech, Insurance · Inactive · team 3 · yc_id:29307 — The AI copilot for health insurance brokers.
- [BLUUMBIO](https://lemstudio.co/yc-companies/bluumbio-24082) — **BLUUMBIO** · YC Summer 2021 · Healthcare, Industrial Bio · Active · team 4 · yc_id:24082 — We make bacteria and plants that clean up pollution.
- [Blyss](https://lemstudio.co/yc-companies/blyss-27672) — **Blyss** · YC Winter 2023 · B2B, Security · Inactive · team 2 · yc_id:27672 — End-to-end encrypted AI.
- [Boardcave](https://lemstudio.co/yc-companies/boardcave-25291) — **Boardcave** · YC Winter 2022 · Consumer · Active · team 6 · yc_id:25291 — Building the world’s largest online surf gear store.  
- [Boat](https://lemstudio.co/yc-companies/boat-34928) — **Boat** · YC Fall 2026 · B2B, Infrastructure · Active · team 3 · yc_id:34928 — The best cloud VMs for billions of agents
- [Bobidi](https://lemstudio.co/yc-companies/bobidi-25491) — **Bobidi** · YC Winter 2022 · B2B, Marketing · Active · team 7 · yc_id:25491 — Restaurant Loyalty Using Quiz
- [Bodyport](https://lemstudio.co/yc-companies/bodyport-908) — **Bodyport** · YC Summer 2015 · Healthcare, Consumer Health and Wellness · Active · team 19 · yc_id:908 — Predicting and preventing heart disease.
- [boitas.com](https://lemstudio.co/yc-companies/boitas-com-23462) — **boitas.com** · YC Winter 2021 · B2B, Retail · Inactive · team 35 · yc_id:23462 — Largest B2B eCommerce platform for SMBs in Latin America. 
- [BoldVoice](https://lemstudio.co/yc-companies/boldvoice-24065) — **BoldVoice** · YC Summer 2021 · Consumer · Active · team 12 · yc_id:24065 — Speech and accent coaching app for non-native English speakers
- [Bolna AI](https://lemstudio.co/yc-companies/bolna-ai-30853) — **Bolna AI** · YC Fall 2025 · B2B · Active · team 21 · yc_id:30853 — Voice AI to enable India's next billion
- [Bolster](https://lemstudio.co/yc-companies/bolster-24543) — **Bolster** · YC Summer 2021 · Real Estate and Construction, Construction · Active · team 25 · yc_id:24543 — The platform for buying, selling and managing residential construction
- [Bolto](https://lemstudio.co/yc-companies/bolto-28976) — **Bolto** · YC Summer 2023 · B2B, Human Resources · Active · team 20 · yc_id:28976 — AI Powered All-In-One Payroll, HR + Recruiting 
- [Bond](https://lemstudio.co/yc-companies/bond-30554) — **Bond** · YC Spring 2025 · B2B, Productivity · Active · team 3 · yc_id:30554 — Your AI Chief of Staff
- [Bonfire](https://lemstudio.co/yc-companies/bonfire-800) — **Bonfire** · YC Winter 2015 · B2B, Finance and Accounting · Acquired · team 95 · yc_id:800 — Bonfire is reimagining RFPs & bidding for gov procurement teams
- [Bonsai](https://lemstudio.co/yc-companies/bonsai-1086) — **Bonsai** · YC Winter 2016 · B2B, Finance and Accounting · Acquired · team 25 · yc_id:1086 — The all-in-one solution for small businesses and self-employed.
- [Booko](https://lemstudio.co/yc-companies/booko-31242) — **Booko** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31242 — Dynamically pricing the whole economy. 
- [BookSolid](https://lemstudio.co/yc-companies/booksolid-23) — **BookSolid** · YC Winter 2012 · B2B, Retail · Inactive · yc_id:23 — BookSolid is the opentable for tour operators.
- [Booktrope](https://lemstudio.co/yc-companies/booktrope-754) — **Booktrope** · YC Winter 2015 · B2B, Marketing · Inactive · team 51 · yc_id:754 — Booktrope provides a software platform that makes it easy for…
- [Boom](https://lemstudio.co/yc-companies/boom-1081) — **Boom** · YC Winter 2016 · Industrials, Aviation and Space · Active · team 227 · yc_id:1081 — Economically and environmentally sustainable supersonic travel
- [Boom AI](https://lemstudio.co/yc-companies/boom-ai-30982) — **Boom AI** · YC Fall 2025 · B2B · Active · team 3 · yc_id:30982 — AI agents that recover lost revenue through real conversations.
- [Boost Biomes](https://lemstudio.co/yc-companies/boost-biomes-12736) — **Boost Biomes** · YC Summer 2019 · Industrials, Agriculture · Inactive · team 12 · yc_id:12736
- [Boost Robotics](https://lemstudio.co/yc-companies/boost-robotics-30509) — **Boost Robotics** · YC Spring 2025 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:30509 — Robots for the inspection and maintenance of data centers
- [Boostable](https://lemstudio.co/yc-companies/boostable-573) — **Boostable** · YC Winter 2014 · B2B, Marketing · Acquired · team 11 · yc_id:573 — Advertising platform tools for marketplace sellers. 
- [Boosted](https://lemstudio.co/yc-companies/boosted-389) — **Boosted** · YC Summer 2012 · Consumer, Consumer Electronics · Acquired · team 51 · yc_id:389 — Simple, fun, and fast electric vehicles.
- [Boostly](https://lemstudio.co/yc-companies/boostly-26742) — **Boostly** · YC Summer 2022 · B2B, Marketing · Active · team 50 · yc_id:26742 — Premier growth platform for restaurants
- [Booth AI](https://lemstudio.co/yc-companies/booth-ai-27894) — **Booth AI** · YC Winter 2023 · B2B, Retail · Acquired · team 3 · yc_id:27894 — Generative AI Photographer for E-Commerce
- [BootLoop](https://lemstudio.co/yc-companies/bootloop-30675) — **BootLoop** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30675 — Firmware in minutes, not months - rigorously tested on real hardware
- [Bop.fm](https://lemstudio.co/yc-companies/bop-fm-558) — **Bop.fm** · YC Summer 2013 · Consumer, Content · Acquired · team 2 · yc_id:558 — Canonical permalinks for songs.
- [borong](https://lemstudio.co/yc-companies/borong-13520) — **borong** · YC Winter 2020 · B2B, Retail · Active · team 80 · yc_id:13520 — borong is a SaaS-enabled marketplace that connects brands like…
- [Bot MD](https://lemstudio.co/yc-companies/bot-md-1994) — **Bot MD** · YC Summer 2018 · Healthcare, Healthcare Services · Active · team 15 · yc_id:1994 — AI Clinical Assistant for Doctors
- [BotBuilt](https://lemstudio.co/yc-companies/botbuilt-23121) — **BotBuilt** · YC Winter 2021 · Industrials, Manufacturing and Robotics · Active · team 8 · yc_id:23121 — We use robots to build houses.
- [BotCity](https://lemstudio.co/yc-companies/botcity-25777) — **BotCity** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 35 · yc_id:25777 — Observability and Governance for AI-Generated Python scripts.
- [Botin](https://lemstudio.co/yc-companies/botin-25678) — **Botin** · YC Winter 2022 · Fintech, Asset Management · Inactive · team 3 · yc_id:25678 — Investment super app for Latin America
- [Boton](https://lemstudio.co/yc-companies/boton-27140) — **Boton** · YC Summer 2022 · B2B, Finance and Accounting · Active · team 3 · yc_id:27140 — Accounting software with an AI agent
- [Bottomless](https://lemstudio.co/yc-companies/bottomless-11944) — **Bottomless** · YC Winter 2019 · Consumer, Food and Beverage · Active · team 2 · yc_id:11944 — Building the first sensor enabled marketplace for repeat purchases
- [Bouncer](https://lemstudio.co/yc-companies/bouncer-12654) — **Bouncer** · YC Summer 2019 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:12654 — SDK for scanning and verifying credit cards and photo IDs in mobile…
- [Boundary](https://lemstudio.co/yc-companies/boundary-27938) — **Boundary** · YC Winter 2023 · B2B · Active · team 10 · yc_id:27938 — The programming language for AI
- [Bountiful](https://lemstudio.co/yc-companies/bountiful-1444) — **Bountiful** · YC Winter 2017 · Industrials, Agriculture · Active · team 4 · yc_id:1444 — An Operating System for agriculture.
- [Bountii](https://lemstudio.co/yc-companies/bountii-328) — **Bountii** · YC Summer 2007 · Consumer, Home and Personal · Inactive · team 2 · yc_id:328
- [Boxes.dev](https://lemstudio.co/yc-companies/boxes-dev-38391) — **Boxes.dev** · YC Fall 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:38391 — Cloud development environments for AI coding
- [boxouse](https://lemstudio.co/yc-companies/boxouse-1440) — **boxouse** · YC Winter 2017 · Real Estate and Construction, Housing and Real Estate · Inactive · team 2 · yc_id:1440 — portable, affordable, beautiful smart homes
- [Boya](https://lemstudio.co/yc-companies/boya-25685) — **Boya** · YC Winter 2022 · Fintech · Active · team 9 · yc_id:25685 — Corporate Expense cards and Spend management for businesses in Africa
- [Brace](https://lemstudio.co/yc-companies/brace-43) — **Brace** · YC Winter 2012 · B2B, Infrastructure · Inactive · yc_id:43 — Backlift allows front-end only developers to build entire websites…
- [Bracket](https://lemstudio.co/yc-companies/bracket-25905) — **Bracket** · YC Winter 2022 · B2B, Engineering, Product and Design · Acquired · team 3 · yc_id:25905 — Two-way syncs between business tools and your database
- [Brainbase Labs](https://lemstudio.co/yc-companies/brainbase-labs-29417) — **Brainbase Labs** · YC Winter 2024 · B2B · Active · team 4 · yc_id:29417 — The AI Labor Company
- [Brainboard](https://lemstudio.co/yc-companies/brainboard-25871) — **Brainboard** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 9 · yc_id:25871 — Visually design and manage cloud infrastructures.
- [BrainHi](https://lemstudio.co/yc-companies/brainhi-2006) — **BrainHi** · YC Summer 2018 · Healthcare, Healthcare IT · Active · team 18 · yc_id:2006 — Automated receptionist that answers missed calls for local businesses 
- [BrainKey](https://lemstudio.co/yc-companies/brainkey-11976) — **BrainKey** · YC Winter 2019 · Healthcare, Diagnostics · Active · team 20 · yc_id:11976 — Brain Longevity
- [BrainTripping](https://lemstudio.co/yc-companies/braintripping-419) — **BrainTripping** · YC Summer 2012 · Consumer · Inactive · team 1 · yc_id:419
- [Bramante](https://lemstudio.co/yc-companies/bramante-30516) — **Bramante** · YC Spring 2025 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:30516 — Life sciences reagents and software
- [Branch AI](https://lemstudio.co/yc-companies/branch-ai-28759) — **Branch AI** · YC Summer 2023 · B2B, Retail · Inactive · team 3 · yc_id:28759 — AI Overview Search, as a Service
- [Branch8](https://lemstudio.co/yc-companies/branch8-888) — **Branch8** · YC Summer 2015 · B2B, Retail · Active · team 15 · yc_id:888 — Branch8 helps sellers to list and manage products on e-commerce…
- [Brave Care](https://lemstudio.co/yc-companies/brave-care-12645) — **Brave Care** · YC Summer 2019 · Healthcare, Healthcare Services · Inactive · team 90 · yc_id:12645 — Modern healthcare for kids. Pediatric Primary, Urgent & Remote Care.
- [Bravi](https://lemstudio.co/yc-companies/bravi-30917) — **Bravi** · YC Fall 2025 · B2B · Active · team 8 · yc_id:30917 — AI operating system for home improvement manufacturers
- [Breadcrumbs.io](https://lemstudio.co/yc-companies/breadcrumbs-io-24250) — **Breadcrumbs.io** · YC Summer 2021 · B2B, Sales · Acquired · team 20 · yc_id:24250 — No-code scoring engine identifying your most engaged upsell opps
- [Breadfast](https://lemstudio.co/yc-companies/breadfast-12903) — **Breadfast** · YC Summer 2019 · Consumer · Active · team 10000 · yc_id:12903 — Household needs, from bread to everything.
- [Breaker](https://lemstudio.co/yc-companies/breaker-1525) — **Breaker** · YC Winter 2017 · Consumer, Content · Acquired · team 1 · yc_id:1525 — A podcast company.
- [Breathe Well-being](https://lemstudio.co/yc-companies/breathe-well-being-13430) — **Breathe Well-being** · YC Winter 2020 · Healthcare, Consumer Health and Wellness · Inactive · team 15 · yc_id:13430 — A digital well-being program to help people prevent or manage chronic…
- [Bree](https://lemstudio.co/yc-companies/bree-24244) — **Bree** · YC Summer 2021 · Fintech, Consumer Finance · Active · team 2 · yc_id:24244 — Chime for Canada, starting with cash advances
- [Breez Labs](https://lemstudio.co/yc-companies/breez-labs-29281) — **Breez Labs** · YC Winter 2024 · B2B, Infrastructure · Active · team 2 · yc_id:29281 — Helping Companies Deploy Email Agents in High Trust Domains
- [Breezeful](https://lemstudio.co/yc-companies/breezeful-13072) — **Breezeful** · YC Winter 2020 · Fintech, Credit and Lending · Active · team 6 · yc_id:13072 — An online mortgage broker. Get the best mortgage, fast.
- [Bretton AI](https://lemstudio.co/yc-companies/bretton-ai-28929) — **Bretton AI** · YC Summer 2023 · Fintech · Active · team 34 · yc_id:28929 — AI-native operations for the banks
- [Brevy](https://lemstudio.co/yc-companies/brevy-22353) — **Brevy** · YC Summer 2020 · B2B, Marketing · Acquired · team 8 · yc_id:22353 — Empower your customer service team through AI & automation.
- [Brewit](https://lemstudio.co/yc-companies/brewit-27712) — **Brewit** · YC Winter 2023 · B2B, Analytics · Acquired · team 4 · yc_id:27712 — Conversational data analytics for every team
- [Brex](https://lemstudio.co/yc-companies/brex-1556) — **Brex** · YC Winter 2017 · Fintech, Banking and Exchange · Acquired · team 1000 · yc_id:1556 — Business accounts, corporate cards, and spend management software.
- [Brick Health](https://lemstudio.co/yc-companies/brick-health-11930) — **Brick Health** · YC Winter 2019 · Healthcare, Healthcare IT · Inactive · team 1 · yc_id:11930 — Building infrastructure to expand scope and quality of virtual care
- [Brickanta](https://lemstudio.co/yc-companies/brickanta-30835) — **Brickanta** · YC Fall 2025 · B2B, Infrastructure · Active · team 25 · yc_id:30835 — Agentic AI for Society Builders
- [BricksAI](https://lemstudio.co/yc-companies/bricksai-26732) — **BricksAI** · YC Summer 2022 · B2B, Infrastructure · Inactive · team 2 · yc_id:26732 — Streamlining LLM application management for enterprises
- [Brickwise](https://lemstudio.co/yc-companies/brickwise-30847) — **Brickwise** · YC Fall 2025 · Real Estate and Construction, Housing and Real Estate · Active · team 2 · yc_id:30847 — AI property manager for landlords and estate agents
- [Bridgecard](https://lemstudio.co/yc-companies/bridgecard-26770) — **Bridgecard** · YC Summer 2022 · Fintech, Payments · Inactive · team 5 · yc_id:26770 — Card issuer for Africa
- [Briefer](https://lemstudio.co/yc-companies/briefer-28868) — **Briefer** · YC Summer 2023 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:28868 — The collaborative data platform.
- [Bright](https://lemstudio.co/yc-companies/bright-755) — **Bright** · YC Winter 2015 · Industrials, Energy · Active · team 100 · yc_id:755 — Sunrun for the developing world
- [Brighterway](https://lemstudio.co/yc-companies/brighterway-29775) — **Brighterway** · YC Summer 2024 · Healthcare, Healthcare IT · Active · team 14 · yc_id:29775 — Streamlining the medical record review process in workers comp
- [BrioHR](https://lemstudio.co/yc-companies/briohr-22881) — **BrioHR** · YC Winter 2021 · B2B, Human Resources · Active · team 35 · yc_id:22881 — All-in-one HR management platform for SMEs
- [Bristle](https://lemstudio.co/yc-companies/bristle-22612) — **Bristle** · YC Winter 2021 · Healthcare, Consumer Health and Wellness · Active · team 6 · yc_id:22612 — At-home oral health testing, coaching & care
- [Brite](https://lemstudio.co/yc-companies/brite-24165) — **Brite** · YC Summer 2021 · B2B, Human Resources · Active · team 30 · yc_id:24165 — Software that helps employees pick their employee benefits.
- [Broad](https://lemstudio.co/yc-companies/broad-23434) — **Broad** · YC Winter 2021 · Fintech, Banking and Exchange · Active · team 5 · yc_id:23434 — The multicurrency account and card for Brazilians
- [Broccoli AI](https://lemstudio.co/yc-companies/broccoli-ai-25819) — **Broccoli AI** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 85 · yc_id:25819 — AI-native operating system for home service businesses
- [Bron](https://lemstudio.co/yc-companies/bron-30871) — **Bron** · YC Fall 2025 · Consumer · Active · team 2 · yc_id:30871 — TikTok for Sports Trading
- [Bronco AI](https://lemstudio.co/yc-companies/bronco-ai-28851) — **Bronco AI** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:28851 — AI for ASIC Design Verification
- [Brown Foods](https://lemstudio.co/yc-companies/brown-foods-25349) — **Brown Foods** · YC Winter 2022 · Healthcare, Industrial Bio · Active · team 5 · yc_id:25349 — Making 'REAL' Cow and Human Milk!
- [Browser Buddy](https://lemstudio.co/yc-companies/browser-buddy-29370) — **Browser Buddy** · YC Winter 2024 · Consumer, Content · Acquired · team 2 · yc_id:29370 — A recommendation system for the Internet
- [Browser Use](https://lemstudio.co/yc-companies/browser-use-30341) — **Browser Use** · YC Winter 2025 · B2B · Active · team 7 · yc_id:30341 — Agents that use the browser.
- [BrowserOS](https://lemstudio.co/yc-companies/browseros-29955) — **BrowserOS** · YC Summer 2024 · Consumer · Active · team 4 · yc_id:29955 — The Open Source Agentic Browser
- [Brumby (Formerly GrazeMate)](https://lemstudio.co/yc-companies/brumby-formerly-grazemate-31285) — **Brumby (Formerly GrazeMate)** · YC Winter 2026 · Industrials, Agriculture · Active · team 3 · yc_id:31285 — Robot Cowboys that Herd Cattle with AI Drones
- [Brushes](https://lemstudio.co/yc-companies/brushes-189) — **Brushes** · YC Summer 2010 · B2B, Engineering, Product and Design · Inactive · yc_id:189 — iPad drawing software.
- [Bryel](https://lemstudio.co/yc-companies/bryel-35262) — **Bryel** · YC Fall 2026 · B2B, Infrastructure · Active · team 2 · yc_id:35262 — Devin for AI Research Engineering
- [Bubble Lab](https://lemstudio.co/yc-companies/bubble-lab-31215) — **Bubble Lab** · YC Winter 2026 · B2B, Operations · Active · team 2 · yc_id:31215 — Turn gatherings into lasting relationships.
- [Bucket Robotics](https://lemstudio.co/yc-companies/bucket-robotics-29847) — **Bucket Robotics** · YC Summer 2024 · Industrials, Manufacturing and Robotics · Active · team 8 · yc_id:29847 — Defect detection for manufacturing built from CAD and synthetic data.
- [Bud](https://lemstudio.co/yc-companies/bud-30193) — **Bud** · YC Winter 2025 · B2B · Active · team 6 · yc_id:30193 — Agent with a computer
- [Bueno Finance](https://lemstudio.co/yc-companies/bueno-finance-22791) — **Bueno Finance** · YC Winter 2021 · Fintech, Credit and Lending · Acquired · team 18 · yc_id:22791 — Building Chime for India
- [BufferBox](https://lemstudio.co/yc-companies/bufferbox-433) — **BufferBox** · YC Summer 2012 · Consumer, Home and Personal · Acquired · team 2 · yc_id:433 — The future of package delivery. We are building a network of…
- [Buildbox](https://lemstudio.co/yc-companies/buildbox-32197) — **Buildbox** · YC Summer 2026 · B2B, Analytics · Active · team 2 · yc_id:32197 — Agent analytics for real user outcomes
- [BuildBuddy](https://lemstudio.co/yc-companies/buildbuddy-13239) — **BuildBuddy** · YC Winter 2020 · B2B, Infrastructure · Active · team 15 · yc_id:13239 — BuildBuddy provides enterprise features for Bazel — the open source…
- [BuildJet](https://lemstudio.co/yc-companies/buildjet-27893) — **BuildJet** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:27893 — High-performance computing cloud
- [BuildScience](https://lemstudio.co/yc-companies/buildscience-781) — **BuildScience** · YC Winter 2015 · Real Estate and Construction, Housing and Real Estate · Active · team 1 · yc_id:781 — The operating system for commercial buildings.
- [buildspace](https://lemstudio.co/yc-companies/buildspace-21956) — **buildspace** · YC Summer 2020 · Education · Inactive · team 5 · yc_id:21956 — we're the place where people build cool shit.
- [BuildStream](https://lemstudio.co/yc-companies/buildstream-12547) — **BuildStream** · YC Summer 2019 · Real Estate and Construction, Construction · Inactive · team 9 · yc_id:12547 — Workforce solutions for the construction industry
- [BuildZoom](https://lemstudio.co/yc-companies/buildzoom-479) — **BuildZoom** · YC Winter 2013 · Consumer, Home and Personal · Acquired · team 100 · yc_id:479 — BuildZoom is a better way to remodel. We connect homeowners to the…
- [Bujeti](https://lemstudio.co/yc-companies/bujeti-27841) — **Bujeti** · YC Winter 2023 · B2B, Finance and Accounting · Active · team 35 · yc_id:27841 — The Finance Control Centre for African Businesses
- [BukuWarung](https://lemstudio.co/yc-companies/bukuwarung-21863) — **BukuWarung** · YC Summer 2020 · Fintech, Payments · Active · team 250 · yc_id:21863 — Accounting, Payments & Credit app for 60M micro-businesses in…
- [Bulk MRO Industrial Supply](https://lemstudio.co/yc-companies/bulk-mro-industrial-supply-1512) — **Bulk MRO Industrial Supply** · YC Winter 2017 · B2B, Supply Chain and Logistics · Active · team 170 · yc_id:1512 — Full Stack Fintech and Supply Chain Platform for Global Trade
- [Bulldozair](https://lemstudio.co/yc-companies/bulldozair-1265) — **Bulldozair** · YC Summer 2016 · Real Estate and Construction, Construction · Acquired · team 8 · yc_id:1265 — Construction management platform 
- [Bulletin](https://lemstudio.co/yc-companies/bulletin-1526) — **Bulletin** · YC Winter 2017 · B2B, Retail · Acquired · team 15 · yc_id:1526 — Helping retailers discover and shop the best brands on the planet
- [Bump](https://lemstudio.co/yc-companies/bump-243) — **Bump** · YC Summer 2009 · Consumer, Social · Acquired · team 30 · yc_id:243 — Bump, Flock, Photoroll (unreleased) => Google Photos
- [Bumpline](https://lemstudio.co/yc-companies/bumpline-1701) — **Bumpline** · YC Summer 2017 · Healthcare, Healthcare Services · Inactive · team 2 · yc_id:1701 — Captain Tailor is the Uber for tailoring. 
- [Bun](https://lemstudio.co/yc-companies/bun-12502) — **Bun** · YC Summer 2019 · B2B, Infrastructure · Acquired · team 13 · yc_id:12502 — Bun is an incredibly fast all-in-one JavaScript toolkit
- [Bunkerhill Health](https://lemstudio.co/yc-companies/bunkerhill-health-12042) — **Bunkerhill Health** · YC Winter 2019 · Healthcare, Healthcare IT · Active · team 30 · yc_id:12042 — Bunkerhill is the agentic AI platform for health systems
- [Bunkyr](https://lemstudio.co/yc-companies/bunkyr-25583) — **Bunkyr** · YC Winter 2022 · B2B, Security · Active · team 3 · yc_id:25583 — Zero-Knowledge security without seed phrases or backup codes
- [Bunting Labs](https://lemstudio.co/yc-companies/bunting-labs-26712) — **Bunting Labs** · YC Summer 2022 · B2B · Active · team 2 · yc_id:26712 — AI Models for GIS
- [Buoyant Aero](https://lemstudio.co/yc-companies/buoyant-aero-24589) — **Buoyant Aero** · YC Summer 2021 · Industrials, Drones · Active · team 2 · yc_id:24589 — Bringing back blimps
- [burnt](https://lemstudio.co/yc-companies/burnt-30801) — **burnt** · YC Summer 2025 · B2B, Supply Chain and Logistics · Active · team 3 · yc_id:30801 — Agentic Operating System for Food Supply Chain
- [Buró de Ingresos](https://lemstudio.co/yc-companies/bur-de-ingresos-24280) — **Buró de Ingresos** · YC Summer 2021 · B2B, Infrastructure · Active · team 17 · yc_id:24280 — The Work Number for LatAm
- [Burrow](https://lemstudio.co/yc-companies/burrow-1239) — **Burrow** · YC Summer 2016 · Consumer, Home and Personal · Acquired · team 60 · yc_id:1239 — A design brand creating innovative, award winning furniture.
- [Burt](https://lemstudio.co/yc-companies/burt-31112) — **Burt** · YC Winter 2026 · B2B, Supply Chain and Logistics · Active · team 2 · yc_id:31112 — AI teammates for logistics
- [Bus.com](https://lemstudio.co/yc-companies/bus-com-1022) — **Bus.com** · YC Winter 2016 · B2B · Inactive · team 90 · yc_id:1022 — The easiest way to charter a bus in North America.
- [BusinessOnBot](https://lemstudio.co/yc-companies/businessonbot-23371) — **BusinessOnBot** · YC Winter 2021 · B2B, Operations · Active · team 25 · yc_id:23371 — Automated user acquisition & selling on WhatsApp for businesses
- [Butter](https://lemstudio.co/yc-companies/butter-30335) — **Butter** · YC Winter 2025 · B2B, Infrastructure · Active · team 2 · yc_id:30335 — Embedded Sandboxes for Agents
- [Butter Systems](https://lemstudio.co/yc-companies/butter-systems-559) — **Butter Systems** · YC Summer 2013 · B2B, Retail · Inactive · team 2 · yc_id:559 — Replacing the paper restaurant menu with an interactive experience at…
- [Buttercoin](https://lemstudio.co/yc-companies/buttercoin-527) — **Buttercoin** · YC Summer 2013 · Fintech, Banking and Exchange · Inactive · team 11 · yc_id:527 — Bitcoin Marketplace
- [Button Computer](https://lemstudio.co/yc-companies/button-computer-30770) — **Button Computer** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:30770 — The tiny computer built for voice AI.
- [Buxfer](https://lemstudio.co/yc-companies/buxfer-347) — **Buxfer** · YC Winter 2007 · Fintech, Consumer Finance · Active · team 1 · yc_id:347 — Buxfer helps you make better spending decisions by making it easy to…
- [Buy Me a Coffee](https://lemstudio.co/yc-companies/buy-me-a-coffee-12371) — **Buy Me a Coffee** · YC Winter 2019 · Consumer, Content · Active · team 30 · yc_id:12371 — Helping creators monetize
- [BuyPower](https://lemstudio.co/yc-companies/buypower-1522) — **BuyPower** · YC Winter 2017 · Industrials, Climate · Active · team 115 · yc_id:1522 — Modern bill payment platform for African businesses and consumers.
- [Buzzle](https://lemstudio.co/yc-companies/buzzle-24025) — **Buzzle** · YC Summer 2021 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:24025 — Automatic voice-of-customer trends & metrics from sales conversations.
- [bxblue](https://lemstudio.co/yc-companies/bxblue-1668) — **bxblue** · YC Summer 2017 · Fintech, Credit and Lending · Acquired · team 28 · yc_id:1668 — bxblue is a marketplace for people with guaranteed income in Brazil.…
- [Bystreet](https://lemstudio.co/yc-companies/bystreet-30279) — **Bystreet** · YC Winter 2025 · B2B · Active · team 4 · yc_id:30279 — Connect with hoteliers around the world.
- [Byte](https://lemstudio.co/yc-companies/byte-22246) — **Byte** · YC Summer 2020 · Consumer, Food and Beverage · Inactive · team 30 · yc_id:22246 — On-demand food delivery from dark kitchens in Pakistan.
- [Byte Kitchen](https://lemstudio.co/yc-companies/byte-kitchen-24701) — **Byte Kitchen** · YC Summer 2021 · Consumer, Food and Beverage · Acquired · team 5 · yc_id:24701 — Increasing restaurant profitability through our AI Operating System
- [ByteAsk](https://lemstudio.co/yc-companies/byteask-35289) — **ByteAsk** · YC Fall 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:35289 — The AI coding agent for C and C++
- [Bytebot](https://lemstudio.co/yc-companies/bytebot-24817) — **Bytebot** · YC Summer 2021 · B2B, Engineering, Product and Design · Acquired · team 3 · yc_id:24817 — Bytebot is the open source container for AI desktop agents.
- [Byteport](https://lemstudio.co/yc-companies/byteport-31213) — **Byteport** · YC Winter 2026 · B2B · Active · team 4 · yc_id:31213 — Global upload acceleration for 1GB-100TB files.
- [C16 Biosciences](https://lemstudio.co/yc-companies/c16-biosciences-1892) — **C16 Biosciences** · YC Summer 2018 · Healthcare, Industrial Bio · Active · team 35 · yc_id:1892 — Next-gen ingredients to decarbonize consumer products, starting w/…
- [Cabal](https://lemstudio.co/yc-companies/cabal-24129) — **Cabal** · YC Summer 2021 · B2B · Active · team 8 · yc_id:24129 — Private workspace for founders, investors, and advisors to collaborate
- [Cache](https://lemstudio.co/yc-companies/cache-24867) — **Cache** · YC Summer 2021 · Consumer, Food and Beverage · Inactive · team 2 · yc_id:24867 — Online convenience stores fulfilled by tiny, automated dark stores.
- [Cactus](https://lemstudio.co/yc-companies/cactus-30543) — **Cactus** · YC Spring 2025 · B2B · Active · team 2 · yc_id:30543 — All-In-One AI Growth Partner. Built for Trades.
- [Cactus Compute](https://lemstudio.co/yc-companies/cactus-compute-30510) — **Cactus Compute** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:30510 — Automation Foundation Models For Tiny Devices
- [Caddy](https://lemstudio.co/yc-companies/caddy-30861) — **Caddy** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:30861 — Your Personal AI for everyday work. Lives in your texts.
- [Cadence](https://lemstudio.co/yc-companies/cadence-13148) — **Cadence** · YC Winter 2020 · B2B, Human Resources · Inactive · team 2 · yc_id:13148 — Delightful team-building events for remote companies
- [Caelum Health](https://lemstudio.co/yc-companies/caelum-health-1634) — **Caelum Health** · YC Summer 2017 · Healthcare, Consumer Health and Wellness · Inactive · team 2 · yc_id:1634 — Caelum Health is replacing drugs with software. We use behavioral…
- [Café](https://lemstudio.co/yc-companies/caf-24857) — **Café** · YC Summer 2021 · B2B, Human Resources · Active · team 10 · yc_id:24857 — Your Workplace Engagement Hub
- [Cair Health](https://lemstudio.co/yc-companies/cair-health-29088) — **Cair Health** · YC Summer 2023 · Healthcare, Healthcare IT · Active · team 6 · yc_id:29088 — AI Agents for Healthcare RCM
- [Caire Health](https://lemstudio.co/yc-companies/caire-health-24622) — **Caire Health** · YC Summer 2021 · Healthcare, Diagnostics · Active · team 3 · yc_id:24622 — Semi-Autonomous Diagnostics for Emergent Care
- [Cairns Health](https://lemstudio.co/yc-companies/cairns-health-1638) — **Cairns Health** · YC Summer 2017 · Healthcare, Consumer Health and Wellness · Active · team 17 · yc_id:1638 — Your voice. Your health. We care.
- [Cajal](https://lemstudio.co/yc-companies/cajal-31170) — **Cajal** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31170 — Scaling formal verification to accelerate scientific discovery
- [Cakework](https://lemstudio.co/yc-companies/cakework-27810) — **Cakework** · YC Winter 2023 · B2B, Infrastructure · Inactive · team 2 · yc_id:27810 — API that adds cloud hosting to any developer platform
- [California Dreamin](https://lemstudio.co/yc-companies/california-dreamin-1733) — **California Dreamin** · YC Winter 2018 · Consumer, Food and Beverage · Inactive · team 2 · yc_id:1733 — Cannabis infused beverages
- [Calii](https://lemstudio.co/yc-companies/calii-1989) — **Calii** · YC Summer 2018 · Consumer, Food and Beverage · Active · team 750 · yc_id:1989 — Full-stack grocery delivery in LatAm
- [Call9](https://lemstudio.co/yc-companies/call9-886) — **Call9** · YC Summer 2015 · Healthcare, Healthcare Services · Inactive · team 51 · yc_id:886
- [Callab AI](https://lemstudio.co/yc-companies/callab-ai-31416) — **Callab AI** · YC Spring 2026 · B2B, Operations · Active · team 7 · yc_id:31416 — AI voice agents for on-prem telephony stack. 
- [Callback](https://lemstudio.co/yc-companies/callback-29639) — **Callback** · YC Summer 2024 · B2B, Operations · Active · team 2 · yc_id:29639 — Effortless AI automation for business operations
- [Callbook AI](https://lemstudio.co/yc-companies/callbook-ai-32288) — **Callbook AI** · YC Summer 2026 · B2B · Active · team 7 · yc_id:32288 — AI collections agency for late stage portfolios
- [Calltree](https://lemstudio.co/yc-companies/calltree-30287) — **Calltree** · YC Winter 2025 · B2B · Active · team 14 · yc_id:30287 — Enterprise-grade AI support reps for call centers
- [Camber](https://lemstudio.co/yc-companies/camber-22829) — **Camber** · YC Winter 2021 · Healthcare, Healthcare IT · Active · team 101 · yc_id:22829 — Admin automation for healthcare
- [Cambio](https://lemstudio.co/yc-companies/cambio-27248) — **Cambio** · YC Summer 2022 · Real Estate and Construction · Active · team 60 · yc_id:27248 — AI-native commercial real estate operations
- [Cambly](https://lemstudio.co/yc-companies/cambly-583) — **Cambly** · YC Winter 2014 · Education · Active · team 200 · yc_id:583 — On-demand access to English tutors over video chat.
- [Cambridge Cancer Genomics](https://lemstudio.co/yc-companies/cambridge-cancer-genomics-1686) — **Cambridge Cancer Genomics** · YC Summer 2017 · Healthcare, Diagnostics · Inactive · team 25 · yc_id:1686 — CCG.ai empowers clinicians to make personalised treatment strategies…
- [camelAI](https://lemstudio.co/yc-companies/camelai-29439) — **camelAI** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29439 — Unlimited inference at $5 per stream
- [camfer](https://lemstudio.co/yc-companies/camfer-29688) — **camfer** · YC Summer 2024 · B2B, Engineering, Product and Design · Inactive · team 4 · yc_id:29688 — Building the world’s first AI mechanical engineer.
- [Camlist](https://lemstudio.co/yc-companies/camlist-23631) — **Camlist** · YC Winter 2021 · Consumer, Home and Personal · Active · team 5 · yc_id:23631 — The super app for pets
- [Camp](https://lemstudio.co/yc-companies/camp-23186) — **Camp** · YC Winter 2021 · Consumer · Active · team 3 · yc_id:23186 — A Nouns DAO governance client
- [Campfire](https://lemstudio.co/yc-companies/campfire-28845) — **Campfire** · YC Summer 2023 · B2B, Finance and Accounting · Active · team 105 · yc_id:28845 — The AI Native ERP for the fastest growing companies.
- [Canary](https://lemstudio.co/yc-companies/canary-31256) — **Canary** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31256 — Adversarial AI that breaks your AI
- [Canary Technologies](https://lemstudio.co/yc-companies/canary-technologies-1979) — **Canary Technologies** · YC Summer 2018 · B2B, Operations · Active · team 150 · yc_id:1979 — Modernizing the hospitality tech stack. 
- [Candid Health](https://lemstudio.co/yc-companies/candid-health-13290) — **Candid Health** · YC Winter 2020 · Healthcare, Healthcare IT · Active · team 200 · yc_id:13290 — The autonomous revenue cycle management platform.
- [Candidately](https://lemstudio.co/yc-companies/candidately-1705) — **Candidately** · YC Summer 2017 · B2B, Recruiting and Talent · Active · team 9 · yc_id:1705 — The digital storefront for staffing and recruiting teams.
- [Candle](https://lemstudio.co/yc-companies/candle-30030) — **Candle** · YC Fall 2024 · Consumer · Active · team 2 · yc_id:30030 — Candle helps friends and couples grow closer daily in just 5 minutes.
- [Candor](https://lemstudio.co/yc-companies/candor-30178) — **Candor** · YC Winter 2025 · Government · Active · team 2 · yc_id:30178 — We help companies win government funding with AI
- [Candor](https://lemstudio.co/yc-companies/candor-30273) — **Candor** · YC Winter 2025 · B2B, Security · Active · team 3 · yc_id:30273 — Protect your data and stop insider risk
- [CandorIQ](https://lemstudio.co/yc-companies/candoriq-28911) — **CandorIQ** · YC Summer 2023 · B2B · Active · team 4 · yc_id:28911 — Headcount & Compensation Management
- [Canix](https://lemstudio.co/yc-companies/canix-12642) — **Canix** · YC Summer 2019 · B2B, Security · Active · team 22 · yc_id:12642 — Canix makes it easy to get and stay compliant as a cannabis business.
- [Canopi](https://lemstudio.co/yc-companies/canopi-24762) — **Canopi** · YC Summer 2021 · B2B · Inactive · yc_id:24762 — API to measure and eliminate carbon emissions
- [Canopy (was Encarte)](https://lemstudio.co/yc-companies/canopy-was-encarte-11927) — **Canopy (was Encarte)** · YC Winter 2019 · Fintech, Payments · Active · team 2 · yc_id:11927 — Encarte is building 1-click checkout for all online stores.
- [Canopy Labs](https://lemstudio.co/yc-companies/canopy-labs-391) — **Canopy Labs** · YC Summer 2012 · B2B, Analytics · Inactive · team 11 · yc_id:391 — Canopy Labs automates customer analytics for small and medium-sized…
- [Canvas](https://lemstudio.co/yc-companies/canvas-30119) — **Canvas** · YC Fall 2024 · B2B · Active · team 3 · yc_id:30119 — Building AI systems that improve from experience.
- [Capacitive](https://lemstudio.co/yc-companies/capacitive-30428) — **Capacitive** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30428 — The data gateway for agents.
- [Caper](https://lemstudio.co/yc-companies/caper-1058) — **Caper** · YC Winter 2016 · B2B, Retail · Acquired · team 15 · yc_id:1058 — Plug-and-play cashier-less retail powered by computer vision and AI
- [Capi Money](https://lemstudio.co/yc-companies/capi-money-28842) — **Capi Money** · YC Summer 2023 · Fintech, Payments · Active · team 40 · yc_id:28842 — Helping businesses in emerging markets make pay their international…
- [Capitol AI](https://lemstudio.co/yc-companies/capitol-ai-29963) — **Capitol AI** · YC Summer 2024 · B2B, Productivity · Active · team 11 · yc_id:29963 — Capitol: the sovereign operating system for intelligence.
- [Capix](https://lemstudio.co/yc-companies/capix-26794) — **Capix** · YC Summer 2022 · Fintech · Active · team 5 · yc_id:26794 — AI-powered private equity intelligence.
- [CAPSULE](https://lemstudio.co/yc-companies/capsule-27221) — **CAPSULE** · YC Summer 2022 · Consumer, Apparel and Cosmetics · Inactive · team 4 · yc_id:27221 — Buy anything you find on social media
- [Captain](https://lemstudio.co/yc-companies/captain-30913) — **Captain** · YC Winter 2026 · B2B, Infrastructure · Active · team 2 · yc_id:30913 — Self-tuning file search for AI agents
- [CaptivateIQ](https://lemstudio.co/yc-companies/captivateiq-1867) — **CaptivateIQ** · YC Winter 2018 · B2B, Finance and Accounting · Active · team 280 · yc_id:1867 — Agile commission software to design, deploy & adapt commission plans.
- [Capture](https://lemstudio.co/yc-companies/capture-12175) — **Capture** · YC Winter 2019 · B2B, Productivity · Inactive · team 4 · yc_id:12175 — All your notes, tasks, and files in one super-fast workspace.
- [Capuchin](https://lemstudio.co/yc-companies/capuchin-25306) — **Capuchin** · YC Winter 2022 · B2B · Active · team 5 · yc_id:25306 — Search and automation for engineer-to-order companies
- [Capveon](https://lemstudio.co/yc-companies/capveon-35058) — **Capveon** · YC Fall 2026 · Government · Active · team 2 · yc_id:35058 — Turning infrastructure demand into action 
- [CapWay](https://lemstudio.co/yc-companies/capway-22323) — **CapWay** · YC Summer 2020 · Fintech, Consumer Finance · Inactive · team 9 · yc_id:22323 — Inclusive financial technology service provider.
- [Capy](https://lemstudio.co/yc-companies/capy-30096) — **Capy** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:30096 — The IDE for the parallel age
- [Carbic](https://lemstudio.co/yc-companies/carbic-1063) — **Carbic** · YC Winter 2016 · Industrials, Energy · Active · team 8 · yc_id:1063 — using ultrasonics + ml to analyze fluid behavior at infrastructure…
- [Carbon Crusher](https://lemstudio.co/yc-companies/carbon-crusher-25782) — **Carbon Crusher** · YC Winter 2022 · Industrials, Climate · Active · team 21 · yc_id:25782 — We make carbon negative roads 
- [Carbon-12 Labs](https://lemstudio.co/yc-companies/carbon-12-labs-13106) — **Carbon-12 Labs** · YC Winter 2020 · Fintech, Payments · Inactive · yc_id:13106 — A Global Payouts API for Startups
- [CarbonChain](https://lemstudio.co/yc-companies/carbonchain-22088) — **CarbonChain** · YC Summer 2020 · Industrials, Climate · Active · team 16 · yc_id:22088 — We help companies automate the accounting of their carbon emissions
- [Carbonfact](https://lemstudio.co/yc-companies/carbonfact-23960) — **Carbonfact** · YC Summer 2021 · Industrials, Climate · Active · team 22 · yc_id:23960 — Decarbonizing the fashion industry
- [Cardamon](https://lemstudio.co/yc-companies/cardamon-30239) — **Cardamon** · YC Winter 2025 · B2B, Finance and Accounting · Active · team 11 · yc_id:30239 — AI compliance co-pilot for regulated financial businesses
- [CarDash](https://lemstudio.co/yc-companies/cardash-1597) — **CarDash** · YC Summer 2017 · Consumer, Transportation Services · Acquired · team 12 · yc_id:1597 — Managed marketplace for automotive services. 
- [Cardboard](https://lemstudio.co/yc-companies/cardboard-31178) — **Cardboard** · YC Winter 2026 · B2B · Active · team 8 · yc_id:31178 — Agentic video editor
- [Cardda](https://lemstudio.co/yc-companies/cardda-25593) — **Cardda** · YC Winter 2022 · Fintech, Payments · Active · team 5 · yc_id:25593 — All-in-one spend management for businesses in Latam
- [Cardinal](https://lemstudio.co/yc-companies/cardinal-31311) — **Cardinal** · YC Winter 2026 · B2B · Active · yc_id:31311 — Revenue Agents for GTM teams
- [Cardinal](https://lemstudio.co/yc-companies/cardinal-27676) — **Cardinal** · YC Winter 2023 · B2B, Engineering, Product and Design · Acquired · team 3 · yc_id:27676 — Your AI product backlog
- [Cardinal Gray](https://lemstudio.co/yc-companies/cardinal-gray-28886) — **Cardinal Gray** · YC Summer 2023 · Fintech, Credit and Lending · Active · team 6 · yc_id:28886 — Automating lenders' interactions with the DMV
- [Cardpool](https://lemstudio.co/yc-companies/cardpool-230) — **Cardpool** · YC Winter 2010 · Consumer, Home and Personal · Acquired · team 251 · yc_id:230
- [Care GP](https://lemstudio.co/yc-companies/care-gp-33021) — **Care GP** · YC Summer 2026 · Healthcare · Active · team 10 · yc_id:33021 — AI agents to run primary healthcare operations
- [Care Weather](https://lemstudio.co/yc-companies/care-weather-22870) — **Care Weather** · YC Winter 2021 · Industrials, Aviation and Space · Active · team 2 · yc_id:22870 — The highest-accuracy global weather data from low-cost flat satellites
- [careCycle](https://lemstudio.co/yc-companies/carecycle-30232) — **careCycle** · YC Winter 2025 · B2B · Active · team 5 · yc_id:30232 — Voice AI teams for medicare agencies.
- [Careerist](https://lemstudio.co/yc-companies/careerist-25047) — **Careerist** · YC Summer 2021 · Education · Active · team 100 · yc_id:25047 — Learning platform for job seekers with job applications automation
- [CareerTu](https://lemstudio.co/yc-companies/careertu-12072) — **CareerTu** · YC Winter 2019 · Education · Inactive · team 15 · yc_id:12072 — Online school for Chinese to learn in-demand digital skills 
- [Careforce](https://lemstudio.co/yc-companies/careforce-30124) — **Careforce** · YC Fall 2024 · Healthcare, Healthcare IT · Active · team 9 · yc_id:30124 — AI Workers for Healthcare Orgs to Find, Call & Schedule More Patients.
- [CareLedger](https://lemstudio.co/yc-companies/careledger-887) — **CareLedger** · YC Summer 2015 · Healthcare, Healthcare Services · Inactive · yc_id:887 — CareLedger helps companies save money on healthcare expenses by…
- [CareMessage](https://lemstudio.co/yc-companies/caremessage-577) — **CareMessage** · YC Winter 2014 · Healthcare · Active · team 45 · yc_id:577 — Patient engagement for low-income populations
- [CareOasis](https://lemstudio.co/yc-companies/careoasis-28939) — **CareOasis** · YC Summer 2023 · Healthcare, Consumer Health and Wellness · Active · team 2 · yc_id:28939 — Get Paid for Family Caregiving
- [CareRev](https://lemstudio.co/yc-companies/carerev-1188) — **CareRev** · YC Summer 2016 · Healthcare, Healthcare Services · Acquired · team 275 · yc_id:1188 — Seamlessly connecting healthcare facilities and professionals through…
- [CareSwift](https://lemstudio.co/yc-companies/careswift-30666) — **CareSwift** · YC Summer 2025 · Healthcare · Active · team 2 · yc_id:30666 — AI scribe for Ambulance Reports
- [Caretta](https://lemstudio.co/yc-companies/caretta-31207) — **Caretta** · YC Winter 2026 · B2B, Sales · Active · team 4 · yc_id:31207 — Realtime AI for Sales Calls
- [Cargo](https://lemstudio.co/yc-companies/cargo-29101) — **Cargo** · YC Summer 2023 · B2B, Sales · Active · team 5 · yc_id:29101 — Build your GTM workforce
- [Caribou](https://lemstudio.co/yc-companies/caribou-12074) — **Caribou** · YC Winter 2019 · B2B, Finance and Accounting · Active · team 10 · yc_id:12074 — The autonomous tax firm
- [Carlypso](https://lemstudio.co/yc-companies/carlypso-661) — **Carlypso** · YC Summer 2014 · Consumer, Transportation Services · Acquired · team 11 · yc_id:661 — Used car marketplace
- [Carma](https://lemstudio.co/yc-companies/carma-29376) — **Carma** · YC Winter 2024 · B2B, Operations · Active · team 15 · yc_id:29376 — The AI Operating System For Modern Fleets.
- [Carousel Technologies](https://lemstudio.co/yc-companies/carousel-technologies-29276) — **Carousel Technologies** · YC Winter 2024 · B2B, Finance and Accounting · Active · team 4 · yc_id:29276 — AI Assistant for Excel
- [Carrot Fertility](https://lemstudio.co/yc-companies/carrot-fertility-1619) — **Carrot Fertility** · YC Summer 2017 · Healthcare, Healthcare Services · Active · yc_id:1619 — Customized fertility benefits for modern companies. 
- [Carrot Labs](https://lemstudio.co/yc-companies/carrot-labs-31295) — **Carrot Labs** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31295 — AI Cost Management: Track and attribute AI spend across every provider
- [Carsabi](https://lemstudio.co/yc-companies/carsabi-63) — **Carsabi** · YC Winter 2012 · Consumer, Transportation Services · Inactive · team 2 · yc_id:63 — Carsabi is the search engine for used cars
- [CarSignal](https://lemstudio.co/yc-companies/carsignal-33046) — **CarSignal** · YC Summer 2026 · B2B · Active · team 2 · yc_id:33046 — The AI Operating System for Auto Shops.
- [Cartage](https://lemstudio.co/yc-companies/cartage-29791) — **Cartage** · YC Summer 2024 · B2B, Supply Chain and Logistics · Active · team 12 · yc_id:29791 — Autonomous freight coordination
- [Cartcam](https://lemstudio.co/yc-companies/cartcam-1467) — **Cartcam** · YC Winter 2017 · Consumer, Home and Personal · Inactive · team 1 · yc_id:1467 — Cartcam is an app for opinionated, deal-seeking shoppers.  It gives…
- [Cartpanda](https://lemstudio.co/yc-companies/cartpanda-24354) — **Cartpanda** · YC Summer 2021 · B2B, Sales · Active · team 60 · yc_id:24354 — Global online sales platform
- [Cartpole](https://lemstudio.co/yc-companies/cartpole-30501) — **Cartpole** · YC Spring 2025 · B2B · Active · team 2 · yc_id:30501 — Building reinforcement learning environments
- [CARUPI](https://lemstudio.co/yc-companies/carupi-13674) — **CARUPI** · YC Winter 2020 · Consumer · Inactive · team 50 · yc_id:13674 — CARUPI is the world's 1st managed P2P marketplace for used cars
- [CarWoo](https://lemstudio.co/yc-companies/carwoo-251) — **CarWoo** · YC Summer 2009 · Consumer, Transportation Services · Inactive · team 11 · yc_id:251 — The best way to buy a new car.
- [Casca](https://lemstudio.co/yc-companies/casca-28811) — **Casca** · YC Summer 2023 · Fintech · Active · team 40 · yc_id:28811 — Make Banking Magical
- [Cascade](https://lemstudio.co/yc-companies/cascade-31110) — **Cascade** · YC Winter 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31110 — Distilling Proprietary Intelligence
- [Cascade Space](https://lemstudio.co/yc-companies/cascade-space-30556) — **Cascade Space** · YC Spring 2025 · Industrials, Aviation and Space · Active · team 7 · yc_id:30556 — Commercial alternative to the Deep Space Network
- [Casco](https://lemstudio.co/yc-companies/casco-30477) — **Casco** · YC Spring 2025 · B2B, Security · Active · team 10 · yc_id:30477 — Autonomous security testing for web apps, APIs, cloud, and AI systems
- [Caseflood.ai](https://lemstudio.co/yc-companies/caseflood-ai-30227) — **Caseflood.ai** · YC Winter 2025 · B2B, Legal · Active · team 2 · yc_id:30227 — How elite law firms do intake
- [Casetext](https://lemstudio.co/yc-companies/casetext-542) — **Casetext** · YC Summer 2013 · B2B, Legal · Acquired · team 50 · yc_id:542 — We make the world's laws free and understandable. 
- [Casey](https://lemstudio.co/yc-companies/casey-30924) — **Casey** · YC Fall 2025 · Fintech, Insurance · Active · team 5 · yc_id:30924 — Casey is an AI-native commercial insurance brokerage
- [Cash Flow Portal](https://lemstudio.co/yc-companies/cash-flow-portal-25754) — **Cash Flow Portal** · YC Winter 2022 · Real Estate and Construction, Housing and Real Estate · Active · team 19 · yc_id:25754 — Investment management platform for real estate
- [Cashboard](https://lemstudio.co/yc-companies/cashboard-26782) — **Cashboard** · YC Summer 2022 · B2B, Finance and Accounting · Active · team 6 · yc_id:26782 — Inventing the solo CFO.
- [CashBook](https://lemstudio.co/yc-companies/cashbook-22745) — **CashBook** · YC Winter 2021 · B2B, Finance and Accounting · Active · team 4 · yc_id:22745 — Ramp for Indian Businesses - UPI Wallets for Employee Expenses
- [Cashew Labs](https://lemstudio.co/yc-companies/cashew-labs-30515) — **Cashew Labs** · YC Spring 2025 · B2B · Active · team 2 · yc_id:30515 — Recursive self improving harnesses and models
- [Cashfree Payments](https://lemstudio.co/yc-companies/cashfree-payments-1713) — **Cashfree Payments** · YC Summer 2017 · Fintech, Payments · Active · team 200 · yc_id:1713 — Next-gen digital payments provider for India.
- [Cashmere](https://lemstudio.co/yc-companies/cashmere-26043) — **Cashmere** · YC Winter 2022 · Fintech, Asset Management · Inactive · team 3 · yc_id:26043 — Crypto wallet for web3 startups
- [Castia](https://lemstudio.co/yc-companies/castia-25404) — **Castia** · YC Winter 2022 · Real Estate and Construction, Housing and Real Estate · Inactive · team 50 · yc_id:25404 — Built Rewards for Latam. Pay Rent and get benefits.
- [Castle](https://lemstudio.co/yc-companies/castle-1032) — **Castle** · YC Winter 2016 · B2B, Security · Active · team 20 · yc_id:1032 — Block bots & bad behavior
- [Castle](https://lemstudio.co/yc-companies/castle-1031) — **Castle** · YC Winter 2016 · Real Estate and Construction, Housing and Real Estate · Inactive · team 11 · yc_id:1031 — Castle manages rental homes using automation and on-demand labor.
- [Castled.io](https://lemstudio.co/yc-companies/castled-io-25588) — **Castled.io** · YC Winter 2022 · B2B, Marketing · Inactive · team 8 · yc_id:25588 — Customer Engagement software on top of BigQuery/Snowflake
- [Catamaran](https://lemstudio.co/yc-companies/catamaran-29154) — **Catamaran** · YC Summer 2023 · Fintech, Insurance · Acquired · team 5 · yc_id:29154 — The AI-powered risk decision platform 
- [Catch](https://lemstudio.co/yc-companies/catch-12366) — **Catch** · YC Winter 2019 · Fintech, Consumer Finance · Acquired · team 18 · yc_id:12366 — Benefits for independent workers.
- [CatchBack Cards](https://lemstudio.co/yc-companies/catchback-cards-31040) — **CatchBack Cards** · YC Winter 2026 · Consumer, Gaming · Active · team 7 · yc_id:31040 — The most thrilling way to create and rip digital collectible packs
- [Catena Biosciences](https://lemstudio.co/yc-companies/catena-biosciences-24008) — **Catena Biosciences** · YC Summer 2021 · Healthcare, Therapeutics · Active · team 7 · yc_id:24008 — Using protein coupling to build new therapies
- [Caucus](https://lemstudio.co/yc-companies/caucus-30447) — **Caucus** · YC Spring 2025 · Government · Inactive · team 3 · yc_id:30447 — AI CRM for Government
- [Caution](https://lemstudio.co/yc-companies/caution-33673) — **Caution** · YC Summer 2026 · B2B, Infrastructure · Active · team 5 · yc_id:33673 — Hosting platform for software you can't afford to have hacked
- [Caviar](https://lemstudio.co/yc-companies/caviar-106) — **Caviar** · YC Summer 2011 · Consumer, Food and Beverage · Acquired · team 51 · yc_id:106 — Uber for food.
- [CB Therapeutics](https://lemstudio.co/yc-companies/cb-therapeutics-1964) — **CB Therapeutics** · YC Summer 2018 · Healthcare, Industrial Bio · Active · team 18 · yc_id:1964 — Fermentation-derived natural products to solve health problems 
- [Cedalio](https://lemstudio.co/yc-companies/cedalio-29071) — **Cedalio** · YC Summer 2023 · B2B · Active · team 6 · yc_id:29071 — AI agents that automate AP, procurement, and finance
- [Cedana](https://lemstudio.co/yc-companies/cedana-28812) — **Cedana** · YC Summer 2023 · B2B, Infrastructure · Active · team 5 · yc_id:28812 — Fast, reliable, reproducible AI with GPU live migration
- [Cedar](https://lemstudio.co/yc-companies/cedar-30343) — **Cedar** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30343 — Execute the best sales playbook in industry
- [Cekura](https://lemstudio.co/yc-companies/cekura-30046) — **Cekura** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 15 · yc_id:30046 — Voice AI and Chat AI agents: Testing and Observability
- [Celery](https://lemstudio.co/yc-companies/celery-454) — **Celery** · YC Summer 2012 · B2B, Retail · Inactive · team 11 · yc_id:454 — Celery is a platform for pre-orders (www.trycelery.com). Accept…
- [Celest](https://lemstudio.co/yc-companies/celest-29320) — **Celest** · YC Winter 2024 · B2B, Infrastructure · Inactive · team 1 · yc_id:29320 — The Vercel of Flutter
- [Cellbyte](https://lemstudio.co/yc-companies/cellbyte-26094) — **Cellbyte** · YC Winter 2022 · Healthcare, Healthcare IT · Active · team 3 · yc_id:26094 — AI Agents for Pharma Drug Launches
- [CellChorus](https://lemstudio.co/yc-companies/cellchorus-24737) — **CellChorus** · YC Summer 2021 · Healthcare, Drug Discovery and Delivery · Active · team 4 · yc_id:24737 — The dynamic single-cell analysis company
- [CellType](https://lemstudio.co/yc-companies/celltype-31113) — **CellType** · YC Winter 2026 · Healthcare, Drug Discovery and Delivery · Active · team 5 · yc_id:31113 — The agentic drug company. We simulate human biology.
- [Cembla](https://lemstudio.co/yc-companies/cembla-29152) — **Cembla** · YC Summer 2023 · B2B, Legal · Active · team 2 · yc_id:29152 — AI for legal & government
- [Cenote](https://lemstudio.co/yc-companies/cenote-30266) — **Cenote** · YC Winter 2025 · B2B, Sales · Active · team 2 · yc_id:30266 — AI agents for conversational commerce
- [Centaur](https://lemstudio.co/yc-companies/centaur-11948) — **Centaur** · YC Winter 2019 · Healthcare, Healthcare IT · Active · team 45 · yc_id:11948 — We Create Superior Data By Making Annotation Competitive
- [Centauri AI](https://lemstudio.co/yc-companies/centauri-ai-29399) — **Centauri AI** · YC Winter 2024 · B2B · Active · team 5 · yc_id:29399 — Helps teams work effectively with AI coding agents.
- [Central](https://lemstudio.co/yc-companies/central-29327) — **Central** · YC Summer 2024 · B2B, Human Resources · Acquired · team 15 · yc_id:29327 — Payroll, benefits, state compliance & other bullsh*t for startups
- [CentralComs](https://lemstudio.co/yc-companies/centralcoms-31543) — **CentralComs** · YC Spring 2026 · Real Estate and Construction, Construction · Active · team 2 · yc_id:31543 — AI agent platform for home services companies.
- [Centralize](https://lemstudio.co/yc-companies/centralize-29356) — **Centralize** · YC Winter 2024 · B2B, Sales · Active · team 9 · yc_id:29356 — The relationship intelligence platform for enterprise revenue
- [Cercli](https://lemstudio.co/yc-companies/cercli-28404) — **Cercli** · YC Summer 2023 · B2B · Active · team 28 · yc_id:28404 — AI powered HR and Recruitment for people teams
- [Cerebrium](https://lemstudio.co/yc-companies/cerebrium-25537) — **Cerebrium** · YC Winter 2022 · B2B, Infrastructure · Active · team 4 · yc_id:25537 — Serverless Infrastructure Platform for AI
- [Cerenovus](https://lemstudio.co/yc-companies/cerenovus-32520) — **Cerenovus** · YC Summer 2026 · B2B, Operations · Active · team 5 · yc_id:32520 — AI that finds value creation opportunities across enterprise…
- [Cero](https://lemstudio.co/yc-companies/cero-24303) — **Cero** · YC Summer 2021 · B2B · Active · team 10 · yc_id:24303 — Automated communication between hospitals and patients in Latam
- [Cerrion](https://lemstudio.co/yc-companies/cerrion-26718) — **Cerrion** · YC Summer 2022 · Industrials · Active · team 16 · yc_id:26718 — Video AI to automatically detect and respond to production line…
- [Certainly Health](https://lemstudio.co/yc-companies/certainly-health-29072) — **Certainly Health** · YC Summer 2023 · Healthcare · Active · team 2 · yc_id:29072 — Marketplace to book doctors and avoid surprise bills
- [Certus AI](https://lemstudio.co/yc-companies/certus-ai-30759) — **Certus AI** · YC Summer 2025 · B2B · Active · team 8 · yc_id:30759 — Replacing the restaurant phone line with Voice AI
- [Cerulion](https://lemstudio.co/yc-companies/cerulion-29781) — **Cerulion** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29781 — Open source operating system for robots
- [Chaldal](https://lemstudio.co/yc-companies/chaldal-910) — **Chaldal** · YC Summer 2015 · Consumer, Food and Beverage · Active · team 2886 · yc_id:910
- [Chamber](https://lemstudio.co/yc-companies/chamber-31185) — **Chamber** · YC Winter 2026 · B2B, Infrastructure · Active · team 4 · yc_id:31185 — The AIOps Agent for ML Teams
- [Champ](https://lemstudio.co/yc-companies/champ-26730) — **Champ** · YC Summer 2022 · B2B, Sales · Active · team 1 · yc_id:26730 — AI SDR
- [Channel3](https://lemstudio.co/yc-companies/channel3-30695) — **Channel3** · YC Summer 2025 · B2B, Retail · Active · team 5 · yc_id:30695 — Database of every product on the internet
- [Chaos Genius](https://lemstudio.co/yc-companies/chaos-genius-12724) — **Chaos Genius** · YC Winter 2020 · B2B, Analytics · Acquired · team 10 · yc_id:12724 — DataOps Observability Platform for Snowflake
- [Char](https://lemstudio.co/yc-companies/char-30711) — **Char** · YC Summer 2025 · B2B, Productivity · Active · team 3 · yc_id:30711 — The AI notepad that knows and works for you
- [CharacterQuilt](https://lemstudio.co/yc-companies/characterquilt-31513) — **CharacterQuilt** · YC Spring 2026 · B2B, Marketing · Active · team 4 · yc_id:31513 — Computer use agents to deploy enterprise marketing campaigns
- [Charge Robotics](https://lemstudio.co/yc-companies/charge-robotics-24873) — **Charge Robotics** · YC Summer 2021 · Industrials, Manufacturing and Robotics · Active · team 25 · yc_id:24873 — Robots that build solar farms
- [Charge Running](https://lemstudio.co/yc-companies/charge-running-22775) — **Charge Running** · YC Winter 2021 · Consumer, Home and Personal · Inactive · team 3 · yc_id:22775 — Provides live, virtual running classes to runners all around the world
- [Chargehound](https://lemstudio.co/yc-companies/chargehound-581) — **Chargehound** · YC Winter 2014 · B2B, Finance and Accounting · Acquired · team 13 · yc_id:581 — Automate your chargeback dispute process. (Acquired by PayPal)
- [Chari](https://lemstudio.co/yc-companies/chari-24563) — **Chari** · YC Summer 2021 · Consumer, Food and Beverage · Active · team 100 · yc_id:24563 — B2B e-commerce and fintech platform for traditional proximity stores 
- [Chariot](https://lemstudio.co/yc-companies/chariot-846) — **Chariot** · YC Winter 2015 · Consumer, Transportation Services · Acquired · team 501 · yc_id:846 — The world's first private mass transit service providing a commuting…
- [Chariot](https://lemstudio.co/yc-companies/chariot-26707) — **Chariot** · YC Summer 2022 · Fintech, Payments · Active · team 24 · yc_id:26707 — A payment network connecting nonprofits to the $326B in DAFs
- [Charityvest](https://lemstudio.co/yc-companies/charityvest-21856) — **Charityvest** · YC Summer 2020 · Fintech, Payments · Acquired · team 9 · yc_id:21856 — A premier charitable giving account, for everyone.
- [Charm](https://lemstudio.co/yc-companies/charm-30065) — **Charm** · YC Fall 2024 · Consumer, Social · Active · team 1 · yc_id:30065 — Charm is the universal payments app — send money to anyone.
- [Chart](https://lemstudio.co/yc-companies/chart-27842) — **Chart** · YC Winter 2023 · Fintech · Active · team 3 · yc_id:27842 — Realtime Access to Verified Tax Records
- [Chartio](https://lemstudio.co/yc-companies/chartio-176) — **Chartio** · YC Summer 2010 · B2B, Analytics · Acquired · team 40 · yc_id:176 — Chartio is changing how companies work by building the best…
- [Chaser](https://lemstudio.co/yc-companies/chaser-11964) — **Chaser** · YC Winter 2019 · B2B · Inactive · team 2 · yc_id:11964 — No code app builder. 
- [Chasi](https://lemstudio.co/yc-companies/chasi-31233) — **Chasi** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31233 — AI Revenue Engine for the Equipment Industry 
- [Chatfuel](https://lemstudio.co/yc-companies/chatfuel-985) — **Chatfuel** · YC Winter 2016 · B2B, Engineering, Product and Design · Active · team 53 · yc_id:985 — Platform to easily create chatbots to engage with audiences on…
- [Chatter](https://lemstudio.co/yc-companies/chatter-29004) — **Chatter** · YC Summer 2023 · B2B · Acquired · team 2 · yc_id:29004 — Dead simple LLM testing and iteration
- [Chatwoot](https://lemstudio.co/yc-companies/chatwoot-23279) — **Chatwoot** · YC Winter 2021 · B2B, Operations · Active · team 12 · yc_id:23279 — The modern, open source, self-hosted AI customer support platform
- [Checkars](https://lemstudio.co/yc-companies/checkars-13503) — **Checkars** · YC Winter 2020 · Consumer, Transportation Services · Acquired · team 45 · yc_id:13503 — E-commerce site where you can buy certified used-cars in Latin America
- [Checkr](https://lemstudio.co/yc-companies/checkr-662) — **Checkr** · YC Summer 2014 · B2B, Human Resources · Active · team 800 · yc_id:662 — People infrastructure for the future of work
- [Cheddar](https://lemstudio.co/yc-companies/cheddar-698) — **Cheddar** · YC Summer 2014 · Fintech, Banking and Exchange · Inactive · team 2 · yc_id:698 — The Best Mobile Checking Account
- [Cheers](https://lemstudio.co/yc-companies/cheers-29582) — **Cheers** · YC Summer 2024 · B2B · Active · team 2 · yc_id:29582 — Win local search on ChatGPT & other LLMs
- [Cheetah](https://lemstudio.co/yc-companies/cheetah-486) — **Cheetah** · YC Winter 2013 · B2B, Retail · Active · team 2 · yc_id:486 — Fastest, easiest, and most affordable way for small business owners…
- [Cheqout](https://lemstudio.co/yc-companies/cheqout-23435) — **Cheqout** · YC Winter 2021 · Fintech, Payments · Inactive · team 6 · yc_id:23435 — Mobile ordering & payments for Brick & Mortars
- [CheqUPI](https://lemstudio.co/yc-companies/chequpi-29100) — **CheqUPI** · YC Summer 2023 · Fintech · Acquired · team 15 · yc_id:29100 — India's first UPI wallet for foreign nationals and NRIs
- [Cherry](https://lemstudio.co/yc-companies/cherry-12068) — **Cherry** · YC Winter 2019 · B2B, Human Resources · Inactive · team 2 · yc_id:12068 — Cherry lets employees choose their own workplace perks.
- [Cherry Recommends](https://lemstudio.co/yc-companies/cherry-recommends-25337) — **Cherry Recommends** · YC Winter 2022 · B2B · Inactive · team 6 · yc_id:25337 — Promotion management platform
- [Chert](https://lemstudio.co/yc-companies/chert-31364) — **Chert** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31364 — iMessage infrastructure for business
- [Chestnut](https://lemstudio.co/yc-companies/chestnut-30384) — **Chestnut** · YC Spring 2025 · Fintech, Credit and Lending · Active · team 2 · yc_id:30384 — The first AI mortgage lender
- [Chillabit](https://lemstudio.co/yc-companies/chillabit-1006) — **Chillabit** · YC Winter 2016 · Consumer, Social · Inactive · team 3 · yc_id:1006 — Chillabit is the best way to procrastinate! It’s a live feed of funny…
- [Chima](https://lemstudio.co/yc-companies/chima-27254) — **Chima** · YC Winter 2023 · B2B · Active · team 7 · yc_id:27254 — Building infrastructure tools to help large companies customize their…
- [Chipax](https://lemstudio.co/yc-companies/chipax-24884) — **Chipax** · YC Summer 2021 · B2B, Finance and Accounting · Active · team 37 · yc_id:24884 — Quickbooks for SMBs in Latam
- [Chiron](https://lemstudio.co/yc-companies/chiron-30459) — **Chiron** · YC Spring 2025 · Education · Active · team 2 · yc_id:30459 — Grammarly for Math ✏️
- [Chirply](https://lemstudio.co/yc-companies/chirply-184) — **Chirply** · YC Summer 2010 · Consumer, Home and Personal · Inactive · team 2 · yc_id:184 — Crowdsourced design marketplace for paper goods.
- [Choppy!](https://lemstudio.co/yc-companies/choppy-27879) — **Choppy!** · YC Winter 2023 · Consumer, Food and Beverage · Inactive · team 2 · yc_id:27879 — FAST FLAVORFUL PROTEIN
- [Chordio](https://lemstudio.co/yc-companies/chordio-26660) — **Chordio** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:26660 — Claude Code design workspace built for product teams
- [Chorus Sleep](https://lemstudio.co/yc-companies/chorus-sleep-23633) — **Chorus Sleep** · YC Winter 2021 · B2B · Active · team 4 · yc_id:23633 — Mobile app and coaching program that helps employees sleep better
- [Chow Central Inc](https://lemstudio.co/yc-companies/chow-central-inc-28881) — **Chow Central Inc** · YC Summer 2023 · Consumer, Food and Beverage · Active · yc_id:28881 — Asset Light Chipotle for Africa
- [Chowdeck](https://lemstudio.co/yc-companies/chowdeck-26903) — **Chowdeck** · YC Summer 2022 · Consumer, Food and Beverage · Active · team 103 · yc_id:26903 — On-demand food delivery for Africa
- [Chromie](https://lemstudio.co/yc-companies/chromie-33055) — **Chromie** · YC Summer 2026 · B2B · Active · team 2 · yc_id:33055 — We help startups win gov contracts
- [Chronicle Labs](https://lemstudio.co/yc-companies/chronicle-labs-31468) — **Chronicle Labs** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31468 — Staging Environments for Enterprise AI Agents
- [chrt](https://lemstudio.co/yc-companies/chrt-30526) — **chrt** · YC Spring 2025 · B2B, Supply Chain and Logistics · Active · team 5 · yc_id:30526 — chrt is a logistics platform for time-critical shipping
- [Chute](https://lemstudio.co/yc-companies/chute-29) — **Chute** · YC Winter 2012 · B2B, Marketing · Acquired · team 11 · yc_id:29 — Discover the photos and videos people are taking of your brand or…
- [Chutney Inc](https://lemstudio.co/yc-companies/chutney-inc-13344) — **Chutney Inc** · YC Winter 2020 · Consumer · Inactive · team 5 · yc_id:13344 — Pseudonymous avatar-based social network
- [Cifrato](https://lemstudio.co/yc-companies/cifrato-30243) — **Cifrato** · YC Winter 2025 · B2B, Operations · Active · team 17 · yc_id:30243 — AI Accountant for Accounting Firms
- [Cignara](https://lemstudio.co/yc-companies/cignara-31117) — **Cignara** · YC Spring 2026 · B2B · Active · team 4 · yc_id:31117 — AI Customer Support for Fortune 500-scale enterprises
- [Cinapse](https://lemstudio.co/yc-companies/cinapse-26121) — **Cinapse** · YC Winter 2022 · B2B, Productivity · Active · team 2 · yc_id:26121 — The Operating System of Hollywood
- [Cinder](https://lemstudio.co/yc-companies/cinder-821) — **Cinder** · YC Winter 2015 · Consumer, Consumer Electronics · Inactive · team 2 · yc_id:821 — The World’s First Countertop Precision Grill –  using two ceramic…
- [Cinder](https://lemstudio.co/yc-companies/cinder-25763) — **Cinder** · YC Winter 2022 · B2B, Security · Active · team 30 · yc_id:25763 — Infrastructure to protect companies from AI abuse
- [Circa](https://lemstudio.co/yc-companies/circa-1287) — **Circa** · YC Summer 2016 · B2B, Marketing · Active · team 21 · yc_id:1287 — Event marketing CRM
- [Circle Medical](https://lemstudio.co/yc-companies/circle-medical-915) — **Circle Medical** · YC Summer 2015 · Healthcare, Consumer Health and Wellness · Active · team 235 · yc_id:915 — Modern primary care via video and in-person
- [Circleback](https://lemstudio.co/yc-companies/circleback-29408) — **Circleback** · YC Winter 2024 · B2B, Productivity · Active · team 8 · yc_id:29408 — AI-powered meeting notes and automations
- [CircuitHub](https://lemstudio.co/yc-companies/circuithub-5) — **CircuitHub** · YC Winter 2012 · Industrials, Manufacturing and Robotics · Active · team 58 · yc_id:5 — On-Demand Electronics Manufacturing
- [CircuitLab](https://lemstudio.co/yc-companies/circuitlab-471) — **CircuitLab** · YC Winter 2013 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:471 — Online circuit simulator and electronic schematic editor.
- [Circular](https://lemstudio.co/yc-companies/circular-26054) — **Circular** · YC Winter 2022 · Consumer, Consumer Electronics · Active · team 25 · yc_id:26054 — Subscription consumer electronics for Asia
- [Circumvent](https://lemstudio.co/yc-companies/circumvent-2029) — **Circumvent** · YC Summer 2018 · Healthcare, Therapeutics · Active · team 6 · yc_id:2029 — Utilizing monogenic disorders to inform and solve highly complex…
- [Ciro](https://lemstudio.co/yc-companies/ciro-26671) — **Ciro** · YC Summer 2022 · B2B, Sales · Active · team 5 · yc_id:26671 — GTM AI that books you 5-8 meetings/week
- [Cisterna Biologics](https://lemstudio.co/yc-companies/cisterna-biologics-26554) — **Cisterna Biologics** · YC Summer 2022 · Healthcare · Active · team 2 · yc_id:26554 — High quality mRNA for therapeutic application
- [Citus Data](https://lemstudio.co/yc-companies/citus-data-89) — **Citus Data** · YC Summer 2011 · B2B, Infrastructure · Acquired · team 45 · yc_id:89 — Real-time. Big data. PostgreSQL
- [Cityfurnish](https://lemstudio.co/yc-companies/cityfurnish-12257) — **Cityfurnish** · YC Winter 2019 · Consumer, Home and Personal · Active · team 90 · yc_id:12257 — Cityfurnish - Commitment-free furniture rentals for a better you!
- [Clad](https://lemstudio.co/yc-companies/clad-28070) — **Clad** · YC Winter 2023 · Real Estate and Construction, Construction · Active · team 7 · yc_id:28070 — Project management software for building infrastructure.
- [Clad Labs](https://lemstudio.co/yc-companies/clad-labs-30957) — **Clad Labs** · YC Fall 2025 · B2B · Active · team 2 · yc_id:30957 — AI support done right
- [Claim Health](https://lemstudio.co/yc-companies/claim-health-30429) — **Claim Health** · YC Spring 2025 · Healthcare · Active · team 6 · yc_id:30429 — AI Revenue Platform for Post-Acute Care
- [ClaimGlide](https://lemstudio.co/yc-companies/claimglide-31025) — **ClaimGlide** · YC Winter 2026 · Healthcare, Healthcare Services · Active · team 1 · yc_id:31025 — AI automated prior-auths for private medical practices
- [ClaimSorted](https://lemstudio.co/yc-companies/claimsorted-29613) — **ClaimSorted** · YC Summer 2024 · Fintech, Insurance · Active · team 20 · yc_id:29613 — Making it easy for insurance companies to process claims
- [Claimspotting](https://lemstudio.co/yc-companies/claimspotting-295) — **Claimspotting** · YC Summer 2008 · Consumer, Gaming · Inactive · yc_id:295 — Claim and conquer your city
- [Clara](https://lemstudio.co/yc-companies/clara-31063) — **Clara** · YC Spring 2026 · Healthcare, Consumer Health and Wellness · Active · team 9 · yc_id:31063 — AI primary care doctor
- [Clara Labs](https://lemstudio.co/yc-companies/clara-labs-663) — **Clara Labs** · YC Summer 2014 · B2B, Productivity · Acquired · team 20 · yc_id:663 — Clara is a human-in-the-loop assistant that helps automate repetitive…
- [Clarion](https://lemstudio.co/yc-companies/clarion-29339) — **Clarion** · YC Winter 2024 · Healthcare, Healthcare IT · Active · team 16 · yc_id:29339 — The AI communication layer for healthcare
- [Clarm](https://lemstudio.co/yc-companies/clarm-30439) — **Clarm** · YC Spring 2025 · B2B, Productivity · Active · team 2 · yc_id:30439 — Build governed AI agents on your own data, without code
- [Clarum](https://lemstudio.co/yc-companies/clarum-29395) — **Clarum** · YC Winter 2024 · B2B, Finance and Accounting · Active · team 2 · yc_id:29395 — AI agents for private market diligence, monitoring, and reporting
- [ClassDojo](https://lemstudio.co/yc-companies/classdojo-1360) — **ClassDojo** · YC Summer 2012 · Education · Active · team 100 · yc_id:1360 — Communication app for K-8 teachers, kids, and families
- [Clau](https://lemstudio.co/yc-companies/clau-22294) — **Clau** · YC Summer 2020 · Real Estate and Construction, Housing and Real Estate · Active · team 90 · yc_id:22294 — The real estate superapp for Mexico
- [Clawvisor](https://lemstudio.co/yc-companies/clawvisor-31554) — **Clawvisor** · YC Spring 2026 · B2B, Security · Active · team 1 · yc_id:31554 — The Authorization Layer for AI Agents
- [Clay](https://lemstudio.co/yc-companies/clay-22711) — **Clay** · YC Winter 2021 · B2B, Engineering, Product and Design · Inactive · team 5 · yc_id:22711 — Figma for 3D design
- [Clayboard](https://lemstudio.co/yc-companies/clayboard-13161) — **Clayboard** · YC Winter 2020 · B2B, Productivity · Inactive · team 4 · yc_id:13161 — Create active, collaborative learning experiences 
- [Clean](https://lemstudio.co/yc-companies/clean-37137) — **Clean** · YC Fall 2026 · B2B · Active · team 5 · yc_id:37137 — We tell sellers exactly when a company is ready to buy.
- [Cleanly](https://lemstudio.co/yc-companies/cleanly-802) — **Cleanly** · YC Winter 2015 · Consumer, Home and Personal · Active · team 40 · yc_id:802 — Laundry & Dry Cleaning delivered.
- [Clear](https://lemstudio.co/yc-companies/clear-664) — **Clear** · YC Summer 2014 · Fintech, Consumer Finance · Active · team 900 · yc_id:664 — Fintech SaaS platform for invoices, taxes, wealth management & credit.
- [Clear](https://lemstudio.co/yc-companies/clear-23550) — **Clear** · YC Winter 2021 · Consumer, Social · Active · team 2 · yc_id:23550 — The unbiased AI and data layer for skin health.
- [Clear Gene](https://lemstudio.co/yc-companies/clear-gene-1933) — **Clear Gene** · YC Summer 2018 · Healthcare, Diagnostics · Active · team 4 · yc_id:1933 — Our tests help eradicate cancer by telling doctors whether they got…
- [Clear Genetics](https://lemstudio.co/yc-companies/clear-genetics-1441) — **Clear Genetics** · YC Winter 2017 · Healthcare, Consumer Health and Wellness · Acquired · team 8 · yc_id:1441 — Clear Genetics is scaling delivery of Genomic services
- [ClearBrain](https://lemstudio.co/yc-companies/clearbrain-1751) — **ClearBrain** · YC Winter 2018 · B2B, Marketing · Acquired · team 10 · yc_id:1751 — Causal Analytics for Growth Teams
- [Clearest Health](https://lemstudio.co/yc-companies/clearest-health-28780) — **Clearest Health** · YC Summer 2023 · Healthcare, Healthcare IT · Active · team 11 · yc_id:28780 — AI revenue recovery for underpaid healthcare claims.
- [Clearline](https://lemstudio.co/yc-companies/clearline-27172) — **Clearline** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:27172 — AI for modern automotive dealerships
- [Clearly AI](https://lemstudio.co/yc-companies/clearly-ai-29729) — **Clearly AI** · YC Summer 2024 · B2B, Security · Active · team 17 · yc_id:29729 — Automate security and privacy reviews
- [ClearMix](https://lemstudio.co/yc-companies/clearmix-21899) — **ClearMix** · YC Summer 2020 · B2B, Marketing · Inactive · team 7 · yc_id:21899 — On-Demand, Fully-Remote Marketing and Sales Video Production Platform
- [Clearspace](https://lemstudio.co/yc-companies/clearspace-28013) — **Clearspace** · YC Winter 2023 · Consumer · Active · team 7 · yc_id:28013 — Less screen time, more life.
- [Clerked](https://lemstudio.co/yc-companies/clerked-30886) — **Clerked** · YC Fall 2025 · B2B, Finance and Accounting · Active · team 3 · yc_id:30886 — AI clerks that automate your payables
- [Clerky](https://lemstudio.co/yc-companies/clerky-91) — **Clerky** · YC Summer 2011 · B2B, Legal · Acquired · team 35 · yc_id:91 — Makes legal paperwork easy for startups and their attorneys.
- [Cleva](https://lemstudio.co/yc-companies/cleva-29414) — **Cleva** · YC Winter 2024 · Fintech · Active · team 30 · yc_id:29414 — Global neobank for emerging markets
- [Clever](https://lemstudio.co/yc-companies/clever-412) — **Clever** · YC Summer 2012 · Education · Acquired · team 210 · yc_id:412 — The platform that powers technology in the classroom.
- [CleverDeck](https://lemstudio.co/yc-companies/cleverdeck-32) — **CleverDeck** · YC Winter 2012 · Education · Active · team 1 · yc_id:32 — Collaborate with an artist to commission original artwork you'll live…
- [Clew](https://lemstudio.co/yc-companies/clew-21997) — **Clew** · YC Summer 2020 · B2B, Infrastructure · Acquired · team 2 · yc_id:21997 — Unified file system for the cloud. 
- [Click](https://lemstudio.co/yc-companies/click-32618) — **Click** · YC Summer 2026 · B2B, Analytics · Active · team 1 · yc_id:32618 — Research services for ChatGPT and Claude
- [Click & Grow](https://lemstudio.co/yc-companies/click-grow-961) — **Click & Grow** · YC Summer 2015 · Consumer, Home and Personal · Active · team 28 · yc_id:961 — Click & Grow makes indoor urban gardens and farms that take complete…
- [Clickfacts](https://lemstudio.co/yc-companies/clickfacts-375) — **Clickfacts** · YC Summer 2005 · B2B, Security · Acquired · team 11 · yc_id:375
- [Clickpass](https://lemstudio.co/yc-companies/clickpass-335) — **Clickpass** · YC Summer 2007 · B2B, Engineering, Product and Design · Acquired · team 11 · yc_id:335
- [ClickPe](https://lemstudio.co/yc-companies/clickpe-27936) — **ClickPe** · YC Winter 2023 · Fintech, Credit and Lending · Active · team 2 · yc_id:27936 — Finance on a Click
- [Clicks Health](https://lemstudio.co/yc-companies/clicks-health-31002) — **Clicks Health** · YC Fall 2025 · B2B, Productivity · Active · team 8 · yc_id:31002 — AI agents for your healthcare back-office operations.
- [clicOH](https://lemstudio.co/yc-companies/clicoh-23042) — **clicOH** · YC Winter 2021 · B2B, Supply Chain and Logistics · Active · team 155 · yc_id:23042 — Amazon-like logistics for e-commerce companies in Latam
- [Clidey](https://lemstudio.co/yc-companies/clidey-30468) — **Clidey** · YC Spring 2025 · B2B · Active · team 5 · yc_id:30468 — Turn scattered data into one platform for decision-making
- [Clinikally](https://lemstudio.co/yc-companies/clinikally-26525) — **Clinikally** · YC Summer 2022 · Healthcare, Consumer Health and Wellness · Active · team 125 · yc_id:26525 — India's Telemedicine Platform & Online Pharmacy for Dermatology Care
- [Clip Health](https://lemstudio.co/yc-companies/clip-health-1236) — **Clip Health** · YC Summer 2016 · Healthcare · Inactive · team 10 · yc_id:1236 — Testing & treatment at home, in minutes, for chronic & acute disease
- [Clipboard](https://lemstudio.co/yc-companies/clipboard-1480) — **Clipboard** · YC Winter 2017 · Consumer · Active · team 1000 · yc_id:1480 — Every shift, Covered.
- [ClipDrop](https://lemstudio.co/yc-companies/clipdrop-22752) — **ClipDrop** · YC Winter 2021 · Consumer, Content · Acquired · team 5 · yc_id:22752 — Turn regular mobile photos into professional product visuals
- [CLODO](https://lemstudio.co/yc-companies/clodo-30774) — **CLODO** · YC Summer 2025 · B2B, Sales · Active · team 2 · yc_id:30774 — Planet-scale people discovery.
- [Close](https://lemstudio.co/yc-companies/close-160) — **Close** · YC Winter 2011 · B2B, Sales · Active · team 120 · yc_id:160 — CRM and sales automation tools for startups and SMBs
- [Closer Sports](https://lemstudio.co/yc-companies/closer-sports-1758) — **Closer Sports** · YC Winter 2018 · Healthcare, Healthcare IT · Inactive · team 2 · yc_id:1758 — Mobile streaming platform connecting professional athletes with their…
- [Closera](https://lemstudio.co/yc-companies/closera-30603) — **Closera** · YC Summer 2025 · B2B · Active · team 2 · yc_id:30603 — AI Shopping Agent for Your Ecommerce Store
- [Closure](https://lemstudio.co/yc-companies/closure-30209) — **Closure** · YC Winter 2025 · Government · Active · team 11 · yc_id:30209 — We help law enforcement solve crime
- [cloud humans](https://lemstudio.co/yc-companies/cloud-humans-22608) — **cloud humans** · YC Winter 2021 · B2B, Operations · Active · team 30 · yc_id:22608 — AI-powered customer service for startups
- [Cloudanix](https://lemstudio.co/yc-companies/cloudanix-24275) — **Cloudanix** · YC Summer 2021 · B2B, Security · Active · team 8 · yc_id:24275 — Cloud and Container Security Platform
- [Cloudant](https://lemstudio.co/yc-companies/cloudant-284) — **Cloudant** · YC Summer 2008 · B2B, Infrastructure · Acquired · team 51 · yc_id:284 — NoSQL Database-aaS.  Acquired by IBM in 2014.  Now IBM Cloud Data…
- [Cloudchipr](https://lemstudio.co/yc-companies/cloudchipr-27844) — **Cloudchipr** · YC Winter 2023 · B2B · Active · team 25 · yc_id:27844 — The #1 Actionable FinOps Platform
- [CloudCruise](https://lemstudio.co/yc-companies/cloudcruise-29317) — **CloudCruise** · YC Winter 2024 · B2B · Active · team 7 · yc_id:29317 — The developer platform for fast and reliable browser agents
- [Cloudglue](https://lemstudio.co/yc-companies/cloudglue-29665) — **Cloudglue** · YC Summer 2024 · B2B · Active · team 4 · yc_id:29665 — The video context layer for AI.
- [Cloudkick](https://lemstudio.co/yc-companies/cloudkick-275) — **Cloudkick** · YC Winter 2009 · B2B, Infrastructure · Acquired · team 11 · yc_id:275
- [Cloudstitch](https://lemstudio.co/yc-companies/cloudstitch-911) — **Cloudstitch** · YC Summer 2015 · B2B, Productivity · Acquired · team 4 · yc_id:911 — Power your website with Google Spreadsheets.Acquired by Instabase…
- [Cloudthread](https://lemstudio.co/yc-companies/cloudthread-24348) — **Cloudthread** · YC Summer 2021 · B2B, Analytics · Acquired · team 8 · yc_id:24348 — Eliminate Cloud Waste. Attribute and Track Savings. Engage Engineers.
- [Clover](https://lemstudio.co/yc-companies/clover-22260) — **Clover** · YC Summer 2020 · B2B, Productivity · Acquired · team 2 · yc_id:22260 — The all-in-one notebook for creatives to brainstorm, write, and plan…
- [Clueso](https://lemstudio.co/yc-companies/clueso-27982) — **Clueso** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 25 · yc_id:27982 — Create beautiful videos & docs for any product or process in minutes
- [Clupp](https://lemstudio.co/yc-companies/clupp-25960) — **Clupp** · YC Winter 2022 · Fintech, Insurance · Active · team 12 · yc_id:25960 — Innovative insurance solutions for underserved markets.
- [Clustrix](https://lemstudio.co/yc-companies/clustrix-367) — **Clustrix** · YC Winter 2006 · B2B, Infrastructure · Acquired · team 51 · yc_id:367
- [Clutch](https://lemstudio.co/yc-companies/clutch-71) — **Clutch** · YC Summer 2011 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:71 — An easy to integrate library for native iOS applications designed to…
- [cmux](https://lemstudio.co/yc-companies/cmux-29719) — **cmux** · YC Summer 2024 · B2B · Active · team 3 · yc_id:29719 — Open source applied AI lab building next-gen devtools
- [co.dev](https://lemstudio.co/yc-companies/co-dev-27869) — **co.dev** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:27869 — Turn your ideas into full-stack apps
- [CO2Stats](https://lemstudio.co/yc-companies/co2stats-288) — **CO2Stats** · YC Summer 2008 · B2B, Engineering, Product and Design · Inactive · yc_id:288 — Social and environmental web analytics. Acquired in December 2016.
- [COACH](https://lemstudio.co/yc-companies/coach-32220) — **COACH** · YC Summer 2026 · B2B, Sales · Active · team 4 · yc_id:32220 — The AI Coach for in person sales reps.
- [CoArena](https://lemstudio.co/yc-companies/coarena-33738) — **CoArena** · YC Summer 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:33738 — The biggest crowdsourced benchmark for Computer-Use
- [Coast](https://lemstudio.co/yc-companies/coast-24538) — **Coast** · YC Summer 2021 · B2B · Active · team 35 · yc_id:24538 — Demo Platform for API-First Companies
- [Coasts](https://lemstudio.co/yc-companies/coasts-31022) — **Coasts** · YC Fall 2025 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:31022 — Localhost service isolation and orchestration for git worktrees
- [Coba](https://lemstudio.co/yc-companies/coba-29153) — **Coba** · YC Summer 2023 · Fintech · Active · team 9 · yc_id:29153 — Dual Currency Accounts For LatAm
- [Cobbery](https://lemstudio.co/yc-companies/cobbery-27039) — **Cobbery** · YC Summer 2022 · B2B, Legal · Active · team 4 · yc_id:27039 — Superpowers for litigators
- [Cobblestone](https://lemstudio.co/yc-companies/cobblestone-27853) — **Cobblestone** · YC Winter 2023 · Real Estate and Construction · Acquired · team 3 · yc_id:27853 — Delinquency reduction and automation software for institutional…
- [Coco Controller](https://lemstudio.co/yc-companies/coco-controller-447) — **Coco Controller** · YC Summer 2012 · Consumer, Consumer Electronics · Inactive · yc_id:447 — We're building a tactile gaming controller for mobile phones.
- [Coco Wallet](https://lemstudio.co/yc-companies/coco-wallet-12856) — **Coco Wallet** · YC Summer 2019 · Fintech, Payments · Active · team 50 · yc_id:12856 — Your global dollar account powered by stablecoins
- [Cococart](https://lemstudio.co/yc-companies/cococart-23777) — **Cococart** · YC Summer 2021 · B2B · Active · team 18 · yc_id:23777 — Empowering local businesses to sell online.
- [Cocoon](https://lemstudio.co/yc-companies/cocoon-12078) — **Cocoon** · YC Winter 2019 · Consumer, Social · Acquired · team 6 · yc_id:12078 — Bring your most important groups closer together
- [CoCrafter](https://lemstudio.co/yc-companies/cocrafter-29481) — **CoCrafter** · YC Winter 2024 · Real Estate and Construction, Construction · Active · team 9 · yc_id:29481 — B2B construction marketplace to match contractors and subcontractors.
- [cocreate](https://lemstudio.co/yc-companies/cocreate-30670) — **cocreate** · YC Summer 2025 · Consumer, Content · Active · team 10 · yc_id:30670 — video production software
- [CocuSocial](https://lemstudio.co/yc-companies/cocusocial-1615) — **CocuSocial** · YC Summer 2017 · Consumer, Food and Beverage · Active · team 10 · yc_id:1615 — Marketplace for local activities.
- [Codag](https://lemstudio.co/yc-companies/codag-32230) — **Codag** · YC Summer 2026 · B2B, Infrastructure · Active · team 1 · yc_id:32230 — The AI gateway for cheaper, faster, permissioned agents.
- [Code Four](https://lemstudio.co/yc-companies/code-four-30541) — **Code Four** · YC Spring 2025 · Government · Active · team 3 · yc_id:30541 — Modernizing the police workflow.
- [CodeAnt AI](https://lemstudio.co/yc-companies/codeant-ai-29368) — **CodeAnt AI** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 25 · yc_id:29368 — Autonomous offensive and defensive cybersecurity platform
- [Codeball](https://lemstudio.co/yc-companies/codeball-23276) — **Codeball** · YC Winter 2021 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:23276 — AI-Powered Code Review
- [Codec](https://lemstudio.co/yc-companies/codec-25999) — **Codec** · YC Winter 2022 · Consumer, Content · Active · team 2 · yc_id:25999 — Turn everyday videos into movies.
- [Codecademy](https://lemstudio.co/yc-companies/codecademy-86) — **Codecademy** · YC Summer 2011 · Education · Acquired · team 225 · yc_id:86 — The leading online learning platform for technical skills.
- [CodeCombat](https://lemstudio.co/yc-companies/codecombat-587) — **CodeCombat** · YC Winter 2014 · Education · Active · team 45 · yc_id:587 — Game that teaches computer science to middle and high school kids.
- [CodeCrafters](https://lemstudio.co/yc-companies/codecrafters-26781) — **CodeCrafters** · YC Summer 2022 · Consumer, Job and Career Services · Active · team 10 · yc_id:26781 — Programming courses for experienced engineers
- [CodeNow](https://lemstudio.co/yc-companies/codenow-588) — **CodeNow** · YC Winter 2014 · Unspecified · Active · team 2 · yc_id:588 — Our mission is to diversify the talent pipeline of students who…
- [CodeParrot AI](https://lemstudio.co/yc-companies/codeparrot-ai-28108) — **CodeParrot AI** · YC Winter 2023 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:28108 — Helps Developers build stunning UI Lightning Fast ⚡️
- [Coderhouse](https://lemstudio.co/yc-companies/coderhouse-22955) — **Coderhouse** · YC Winter 2021 · Education · Active · team 70 · yc_id:22955 — Live online courses that turn learners into builders
- [CoderWall](https://lemstudio.co/yc-companies/coderwall-1719) — **CoderWall** · YC Winter 2012 · B2B, Productivity · Acquired · team 2 · yc_id:1719
- [Codes Health](https://lemstudio.co/yc-companies/codes-health-29627) — **Codes Health** · YC Summer 2024 · B2B · Active · team 35 · yc_id:29627 — Medical Record Retrieval with Zero Human Error
- [CodeStory](https://lemstudio.co/yc-companies/codestory-29156) — **CodeStory** · YC Summer 2023 · B2B, Engineering, Product and Design · Inactive · team 4 · yc_id:29156 — Aide is an AI-native , privacy-first IDE built on top of VSCode
- [CodeStream](https://lemstudio.co/yc-companies/codestream-1766) — **CodeStream** · YC Winter 2018 · B2B, Engineering, Product and Design · Acquired · team 10 · yc_id:1766 — CodeStream is a Developer Collaboration Platform designed to…
- [Codevisor](https://lemstudio.co/yc-companies/codevisor-30345) — **Codevisor** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30345 — The fastest native app for agentic engineering.
- [CodeViz](https://lemstudio.co/yc-companies/codeviz-29683) — **CodeViz** · YC Summer 2024 · B2B, Productivity · Active · team 2 · yc_id:29683 — One living model of your software architecture
- [CodeWisp](https://lemstudio.co/yc-companies/codewisp-31140) — **CodeWisp** · YC Winter 2026 · Consumer, Gaming · Active · team 3 · yc_id:31140 — Anyone can create real games with AI
- [CODEXA](https://lemstudio.co/yc-companies/codexa-26725) — **CODEXA** · YC Summer 2022 · Fintech, Payments · Active · team 38 · yc_id:26725 — The AI-native financial platform for enterprises
- [Codingal](https://lemstudio.co/yc-companies/codingal-22997) — **Codingal** · YC Winter 2021 · Education · Active · team 100 · yc_id:22997 — Leading online after-school for kids & teens to learn AI & coding
- [Codyco](https://lemstudio.co/yc-companies/codyco-30919) — **Codyco** · YC Fall 2025 · B2B · Active · team 4 · yc_id:30919 — The AI Reservation Team for Hotel Groups
- [Cofactor Genomics](https://lemstudio.co/yc-companies/cofactor-genomics-962) — **Cofactor Genomics** · YC Summer 2015 · Healthcare, Diagnostics · Active · team 13 · yc_id:962 — Cofactor closes the precision medicine gap with predictive diagnostics
- [Cofactr](https://lemstudio.co/yc-companies/cofactr-26147) — **Cofactr** · YC Winter 2022 · B2B, Supply Chain and Logistics · Active · team 15 · yc_id:26147 — Cloud pre-factory logistics and procurement for electronics
- [CoffeeAI](https://lemstudio.co/yc-companies/coffeeai-25343) — **CoffeeAI** · YC Winter 2022 · B2B · Inactive · team 5 · yc_id:25343 — Instant, hyper-personalized, AI-powered outreach messages
- [Cofia](https://lemstudio.co/yc-companies/cofia-31104) — **Cofia** · YC Winter 2026 · B2B, Productivity · Active · team 3 · yc_id:31104 — AI automations that implement themselves
- [Cognitio Labs](https://lemstudio.co/yc-companies/cognitio-labs-29134) — **Cognitio Labs** · YC Summer 2023 · Industrials · Active · team 3 · yc_id:29134 — AI back office for food product quality teams
- [Cognition IP](https://lemstudio.co/yc-companies/cognition-ip-1818) — **Cognition IP** · YC Winter 2018 · B2B, Legal · Active · team 12 · yc_id:1818 — Flat-fee patent & trademark counsel with top firm results
- [Cognito](https://lemstudio.co/yc-companies/cognito-728) — **Cognito** · YC Summer 2014 · B2B, Engineering, Product and Design · Acquired · team 12 · yc_id:728 — Frictionless, modern identity verification that starts with just a…
- [Cogram](https://lemstudio.co/yc-companies/cogram-25672) — **Cogram** · YC Winter 2022 · B2B, Productivity · Active · team 15 · yc_id:25672 — The AI Platform for Architects and Engineers
- [Cohere](https://lemstudio.co/yc-companies/cohere-22063) — **Cohere** · YC Summer 2020 · B2B, Operations · Acquired · team 7 · yc_id:22063 — Support automation that's actually intelligent
- [Cohesion](https://lemstudio.co/yc-companies/cohesion-31562) — **Cohesion** · YC Spring 2026 · B2B, Finance and Accounting · Active · team 3 · yc_id:31562 — Modern Intelligence for Finance
- [Cohesive](https://lemstudio.co/yc-companies/cohesive-30565) — **Cohesive** · YC Spring 2025 · B2B · Active · team 2 · yc_id:30565 — The agentic CRM for blue-collar services
- [coil inc.](https://lemstudio.co/yc-companies/coil-inc-27857) — **coil inc.** · YC Winter 2023 · Consumer · Active · team 1 · yc_id:27857 — ai
- [Coin](https://lemstudio.co/yc-companies/coin-504) — **Coin** · YC Winter 2013 · Fintech, Consumer Finance · Acquired · team 11 · yc_id:504 — A mobile wallet that allows you to pay everywhere credit cards are…
- [Coinbase](https://lemstudio.co/yc-companies/coinbase-439) — **Coinbase** · YC Summer 2012 · Fintech, Banking and Exchange · Public · team 6112 · yc_id:439 — Buy, sell, and manage cryptocurrencies.
- [Coinrule](https://lemstudio.co/yc-companies/coinrule-24374) — **Coinrule** · YC Summer 2021 · Fintech · Active · team 7 · yc_id:24374 — Coinrule Automates Your Crypto and Stock Investments
- [CoinTent](https://lemstudio.co/yc-companies/cointent-1231) — **CoinTent** · YC Summer 2016 · B2B, Marketing · Inactive · team 2 · yc_id:1231 — Recover revenue lost to ad blockers 
- [CoinTracker](https://lemstudio.co/yc-companies/cointracker-1749) — **CoinTracker** · YC Winter 2018 · Fintech · Active · team 70 · yc_id:1749 — The gold standard in cryptocurrency portfolio tracking and taxes
- [CoLab](https://lemstudio.co/yc-companies/colab-12682) — **CoLab** · YC Summer 2019 · B2B, Engineering, Product and Design · Active · team 150 · yc_id:12682 — Human and AI design review for hardware
- [Coldreach](https://lemstudio.co/yc-companies/coldreach-27991) — **Coldreach** · YC Winter 2023 · B2B, Sales · Active · team 3 · yc_id:27991 — Find the best leads with custom intent signals
- [Collar](https://lemstudio.co/yc-companies/collar-31461) — **Collar** · YC Fall 2026 · B2B · Active · team 2 · yc_id:31461 — AI for Investor Relations
- [Collections](https://lemstudio.co/yc-companies/collections-426) — **Collections** · YC Summer 2012 · Consumer, Home and Personal · Inactive · team 2 · yc_id:426 — Finder for the Cloud
- [Collectly](https://lemstudio.co/yc-companies/collectly-1506) — **Collectly** · YC Winter 2017 · Healthcare, Healthcare IT · Active · team 106 · yc_id:1506 — We help healthcare orgs collect more money faster
- [CollectWise](https://lemstudio.co/yc-companies/collectwise-30091) — **CollectWise** · YC Fall 2024 · Fintech · Active · team 12 · yc_id:30091 — Automating consumer debt collection with AI
- [College Pulse](https://lemstudio.co/yc-companies/college-pulse-1923) — **College Pulse** · YC Summer 2018 · B2B, Analytics · Active · team 9 · yc_id:1923 — Research and analytics company focused on college students.
- [CoLoop](https://lemstudio.co/yc-companies/coloop-24391) — **CoLoop** · YC Summer 2021 · B2B · Active · team 16 · yc_id:24391 — AI Copilot for insights & strategy
- [CombineHealth](https://lemstudio.co/yc-companies/combinehealth-27966) — **CombineHealth** · YC Winter 2023 · Healthcare, Healthcare IT · Active · team 15 · yc_id:27966 — Automating Healthcare Revenue Cycle Management with AI Workforce
- [Combinely](https://lemstudio.co/yc-companies/combinely-30461) — **Combinely** · YC Spring 2025 · B2B, Finance and Accounting · Active · team 8 · yc_id:30461 — AI coworker for Accountants
- [Comena](https://lemstudio.co/yc-companies/comena-30698) — **Comena** · YC Summer 2025 · B2B, Supply Chain and Logistics · Active · team 8 · yc_id:30698 — AI agents for distributors and manufacturers to automate order entry.
- [Comet Health](https://lemstudio.co/yc-companies/comet-health-24370) — **Comet Health** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Inactive · team 3 · yc_id:24370 — Digital platform for pelvic floor physical therapy
- [Comfy Deploy](https://lemstudio.co/yc-companies/comfy-deploy-29596) — **Comfy Deploy** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29596 — ComfyUI for everyone on your team
- [Command AI](https://lemstudio.co/yc-companies/command-ai-21767) — **Command AI** · YC Summer 2020 · B2B, Engineering, Product and Design · Acquired · team 35 · yc_id:21767 — AI-powered user assistance platform
- [Commery](https://lemstudio.co/yc-companies/commery-24163) — **Commery** · YC Summer 2021 · Real Estate and Construction, Housing and Real Estate · Inactive · team 3 · yc_id:24163 — Marketplace to lease commercial real estate
- [Commissary Club (formerly 70 Million Jobs)](https://lemstudio.co/yc-companies/commissary-club-formerly-70-million-jobs-1683) — **Commissary Club (formerly 70 Million Jobs)** · YC Summer 2017 · Consumer · Inactive · team 2 · yc_id:1683 — First agentic AI-powered community for 1 billion people with criminal…
- [CommodityAI](https://lemstudio.co/yc-companies/commodityai-29455) — **CommodityAI** · YC Winter 2024 · B2B, Operations · Active · team 6 · yc_id:29455 — The AI operating system for commodity operations
- [Common Paper](https://lemstudio.co/yc-companies/common-paper-28093) — **Common Paper** · YC Winter 2023 · B2B, Sales · Active · team 8 · yc_id:28093 — The SAFE for commercial contracts
- [Community Phone Company](https://lemstudio.co/yc-companies/community-phone-company-11991) — **Community Phone Company** · YC Winter 2019 · Consumer, Home and Personal · Active · team 101 · yc_id:11991 — The phone that gives families peace of mind about aging parents
- [Compgun](https://lemstudio.co/yc-companies/compgun-976) — **Compgun** · YC Winter 2016 · B2B, Human Resources · Inactive · team 11 · yc_id:976 — Sales commission software that grows revenue.
- [Complete](https://lemstudio.co/yc-companies/complete-25657) — **Complete** · YC Winter 2022 · B2B, Human Resources · Active · team 5 · yc_id:25657 — The complete way to do compensation
- [compliant-llm](https://lemstudio.co/yc-companies/compliant-llm-27935) — **compliant-llm** · YC Winter 2023 · B2B, Security · Active · team 3 · yc_id:27935 — Detect every data leak into third-party GenAI tools
- [Complif](https://lemstudio.co/yc-companies/complif-25526) — **Complif** · YC Winter 2022 · B2B, Operations · Active · team 45 · yc_id:25526 — Compliance tools & AI agents for financial companies
- [Complir](https://lemstudio.co/yc-companies/complir-31443) — **Complir** · YC Spring 2026 · B2B, Retail · Active · team 13 · yc_id:31443 — Vanta for physical products
- [ComplyDo](https://lemstudio.co/yc-companies/complydo-30918) — **ComplyDo** · YC Fall 2025 · B2B, Legal · Active · team 10 · yc_id:30918 — Global Compliance for Enterprises
- [Compose](https://lemstudio.co/yc-companies/compose-117) — **Compose** · YC Summer 2011 · B2B, Infrastructure · Acquired · team 51 · yc_id:117 — We make it easy to run databases.
PostgreSQL, Redis, MongoDB,…
- [Compose.ai](https://lemstudio.co/yc-companies/compose-ai-23200) — **Compose.ai** · YC Winter 2021 · B2B, Productivity · Active · team 7 · yc_id:23200 — Cut your writing time by 40% with AI-powered autocomplete
- [Compound](https://lemstudio.co/yc-companies/compound-12655) — **Compound** · YC Summer 2019 · Fintech, Consumer Finance · Acquired · team 51 · yc_id:12655 — Compound is a wealth manager for people who work at tech companies. 
- [Compra Rápida](https://lemstudio.co/yc-companies/compra-r-pida-25160) — **Compra Rápida** · YC Winter 2022 · B2B, Retail · Active · team 21 · yc_id:25160 — One-click checkout and AI sales assistant for LatAm.
- [Comprehend](https://lemstudio.co/yc-companies/comprehend-151) — **Comprehend** · YC Winter 2011 · Healthcare, Healthcare IT · Acquired · team 51 · yc_id:151 — SaaS to increase speed and quality of clinical trials.
- [Compresr](https://lemstudio.co/yc-companies/compresr-31164) — **Compresr** · YC Winter 2026 · B2B, Infrastructure · Active · team 3 · yc_id:31164 — LLM context compression for better accuracy
- [CompUp](https://lemstudio.co/yc-companies/compup-27090) — **CompUp** · YC Summer 2022 · B2B, Human Resources · Active · team 35 · yc_id:27090 — Building a compensation graph to help companies optimise people spend
- [Computable](https://lemstudio.co/yc-companies/computable-32814) — **Computable** · YC Summer 2026 · Fintech · Active · team 2 · yc_id:32814 — Derivatives Exchange for Compute
- [Compyle](https://lemstudio.co/yc-companies/compyle-30921) — **Compyle** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30921 — The coding agent that actually collaborates with you
- [Comradery](https://lemstudio.co/yc-companies/comradery-11954) — **Comradery** · YC Winter 2019 · B2B, Productivity · Inactive · team 1 · yc_id:11954 — White-label Bookface for companies and communities!
- [Concord Materials](https://lemstudio.co/yc-companies/concord-materials-23971) — **Concord Materials** · YC Summer 2021 · Real Estate and Construction, Construction · Active · team 7 · yc_id:23971 — Automating procurement and finance for construction companies
- [Concourse](https://lemstudio.co/yc-companies/concourse-27699) — **Concourse** · YC Winter 2023 · B2B, Finance and Accounting · Active · team 15 · yc_id:27699 — The AI Agent platform for finance
- [Condor Energy](https://lemstudio.co/yc-companies/condor-energy-31303) — **Condor Energy** · YC Winter 2026 · Industrials, Energy · Active · team 3 · yc_id:31303 — Software for enterprise energy procurement.
- [Conductor](https://lemstudio.co/yc-companies/conductor-29989) — **Conductor** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:29989 — Run a team of coding agents on your Mac
- [Conductor Quantum](https://lemstudio.co/yc-companies/conductor-quantum-29754) — **Conductor Quantum** · YC Summer 2024 · Industrials · Active · team 4 · yc_id:29754 — AI that operates quantum computers for scientific discovery
- [Conduit](https://lemstudio.co/yc-companies/conduit-29380) — **Conduit** · YC Winter 2024 · B2B · Active · team 15 · yc_id:29380 — AI Agents for Hospitality
- [Conduit](https://lemstudio.co/yc-companies/conduit-28110) — **Conduit** · YC Winter 2023 · B2B, Supply Chain and Logistics · Active · team 15 · yc_id:28110 — The operating system for shipping and receiving.
- [Cone](https://lemstudio.co/yc-companies/cone-27253) — **Cone** · YC Summer 2022 · B2B, Finance and Accounting · Active · team 8 · yc_id:27253 — Work operating system for professional service businesses
- [Confident AI](https://lemstudio.co/yc-companies/confident-ai-30283) — **Confident AI** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:30283 — The LLM Eval and Observability Platform for AI Quality
- [Confident LIMS](https://lemstudio.co/yc-companies/confident-lims-889) — **Confident LIMS** · YC Summer 2015 · B2B, Operations · Active · team 17 · yc_id:889 — Laboratory Information Management System (LIMS) serving…
- [Confido](https://lemstudio.co/yc-companies/confido-24064) — **Confido** · YC Summer 2021 · B2B, Finance and Accounting · Active · team 65 · yc_id:24064 — AI-enabled financial automation and intelligence for CPG Brands
- [Confluence Labs](https://lemstudio.co/yc-companies/confluence-labs-31162) — **Confluence Labs** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31162 — AI models that learn from experience
- [Congruent](https://lemstudio.co/yc-companies/congruent-31196) — **Congruent** · YC Winter 2026 · Industrials · Active · team 2 · yc_id:31196 — AI native radars for self-driving cars
- [Conifer](https://lemstudio.co/yc-companies/conifer-33936) — **Conifer** · YC Summer 2026 · B2B · Active · team 4 · yc_id:33936 — Least cost routing system to reduce 70%+ token spend
- [Conntour](https://lemstudio.co/yc-companies/conntour-30210) — **Conntour** · YC Winter 2025 · Industrials, Defense · Active · team 15 · yc_id:30210 — AI to monitor thousands of security cameras.
- [Constant](https://lemstudio.co/yc-companies/constant-28094) — **Constant** · YC Winter 2023 · Fintech, Asset Management · Active · team 2 · yc_id:28094 — AI Analysts for the Buy-Side
- [Constellation Space](https://lemstudio.co/yc-companies/constellation-space-31212) — **Constellation Space** · YC Winter 2026 · B2B, Analytics · Active · team 4 · yc_id:31212 — AI operating system for mega-scale satellite networks. 
- [Constructable](https://lemstudio.co/yc-companies/constructable-29121) — **Constructable** · YC Summer 2023 · Real Estate and Construction, Construction · Active · team 6 · yc_id:29121 — Building the next Procore
- [ConstructVR](https://lemstudio.co/yc-companies/constructvr-1035) — **ConstructVR** · YC Winter 2016 · Consumer, Virtual and Augmented Reality · Inactive · team 2 · yc_id:1035 — The simplest way to test, manage, and deploy VR/AR apps at scale.
- [Consul](https://lemstudio.co/yc-companies/consul-29338) — **Consul** · YC Winter 2024 · Fintech, Payments · Acquired · team 2 · yc_id:29338 — The Stablecoin Payouts Platform
- [Consus](https://lemstudio.co/yc-companies/consus-30095) — **Consus** · YC Fall 2024 · Industrials, Aviation and Space · Active · team 1 · yc_id:30095 — The fastest and cheapest way to use AI with ITAR or CUI data. 
- [Conta Simples](https://lemstudio.co/yc-companies/conta-simples-21799) — **Conta Simples** · YC Summer 2020 · Fintech, Banking and Exchange · Active · team 130 · yc_id:21799 — All-in-one financial platform for latam Startups and SMBs.
- [Contalink](https://lemstudio.co/yc-companies/contalink-23862) — **Contalink** · YC Summer 2021 · B2B, Finance and Accounting · Active · team 75 · yc_id:23862 — We help Accountants automate work and serve their customers online
- [ContestMachine](https://lemstudio.co/yc-companies/contestmachine-332) — **ContestMachine** · YC Summer 2007 · B2B, Marketing · Inactive · team 2 · yc_id:332 — Roll your own contest or giveaway.  No longer in business.
- [Context.dev](https://lemstudio.co/yc-companies/context-dev-32227) — **Context.dev** · YC Summer 2026 · B2B, Infrastructure · Active · team 6 · yc_id:32227 — We give AI agents realtime web context via API
- [ContextFort](https://lemstudio.co/yc-companies/contextfort-30626) — **ContextFort** · YC Summer 2025 · B2B, Security · Active · team 2 · yc_id:30626 — Visibility and Controls for Browser Agents
- [Continue](https://lemstudio.co/yc-companies/continue-28957) — **Continue** · YC Summer 2023 · B2B, Engineering, Product and Design · Acquired · yc_id:28957 — Pioneering open-source coding agent
- [Contour](https://lemstudio.co/yc-companies/contour-28816) — **Contour** · YC Summer 2023 · B2B · Active · team 2 · yc_id:28816 — AI voice agents for healthcare operational calls
- [ContraForce](https://lemstudio.co/yc-companies/contraforce-24725) — **ContraForce** · YC Summer 2021 · B2B, Security · Active · team 15 · yc_id:24725 — Security Delivery Platform to orchestrate AI agents for Service…
- [Contrario](https://lemstudio.co/yc-companies/contrario-30215) — **Contrario** · YC Winter 2025 · B2B, Recruiting and Talent · Active · team 20 · yc_id:30215 — AI hiring platform powered by expert recruiters
- [Contrast](https://lemstudio.co/yc-companies/contrast-1911) — **Contrast** · YC Summer 2018 · B2B, Engineering, Product and Design · Inactive · team 4 · yc_id:1911 — Developer Handoff - Reimagined for Storybook
- [Control Seat](https://lemstudio.co/yc-companies/control-seat-31261) — **Control Seat** · YC Summer 2026 · Industrials · Active · team 2 · yc_id:31261 — AI that runs factories. 
- [ControlHub](https://lemstudio.co/yc-companies/controlhub-22841) — **ControlHub** · YC Winter 2021 · B2B, Finance and Accounting · Inactive · team 22 · yc_id:22841 — Purchasing Software | Procure-to-Pay SaaS 
- [CONUS](https://lemstudio.co/yc-companies/conus-31584) — **CONUS** · YC Fall 2026 · Healthcare · Active · team 3 · yc_id:31584 — The AI knowledge layer for medical devices
- [Conveo](https://lemstudio.co/yc-companies/conveo-29717) — **Conveo** · YC Summer 2024 · B2B · Active · team 90 · yc_id:29717 — Growth through always‑on consumer understanding
- [Converge](https://lemstudio.co/yc-companies/converge-28983) — **Converge** · YC Summer 2023 · B2B · Active · team 6 · yc_id:28983 — All-in-one marketing measurement for B2C
- [Convex](https://lemstudio.co/yc-companies/convex-11972) — **Convex** · YC Winter 2019 · B2B, Sales · Acquired · team 110 · yc_id:11972 — Software for the commercial services industry. 
- [Convexia](https://lemstudio.co/yc-companies/convexia-30747) — **Convexia** · YC Summer 2025 · Healthcare, Drug Discovery and Delivery · Active · team 4 · yc_id:30747 — The world's first AI-maximalist pharma company
- [Conviction](https://lemstudio.co/yc-companies/conviction-30681) — **Conviction** · YC Summer 2025 · Fintech · Active · team 3 · yc_id:30681 — Anyone Can Trade
- [Convictional](https://lemstudio.co/yc-companies/convictional-11960) — **Convictional** · YC Winter 2019 · B2B, Operations · Active · team 15 · yc_id:11960 — Convictional replaces Slack to keep teams mission aligned by design.
- [Convore](https://lemstudio.co/yc-companies/convore-156) — **Convore** · YC Winter 2011 · Consumer, Social · Inactive · team 2 · yc_id:156 — Hosted IRC and so much more.
- [Convox](https://lemstudio.co/yc-companies/convox-890) — **Convox** · YC Summer 2015 · B2B, Infrastructure · Acquired · team 3 · yc_id:890 — Open-source tools for deploying, managing, and monitoring cloud…
- [Convoy](https://lemstudio.co/yc-companies/convoy-25720) — **Convoy** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:25720 — Webhooks Gateway for outgoing and incoming webhooks.
- [Coperniq](https://lemstudio.co/yc-companies/coperniq-27824) — **Coperniq** · YC Winter 2023 · B2B, Supply Chain and Logistics · Active · team 6 · yc_id:27824 — Workflow software for solar & energy contractors ☀️😎
- [Copia](https://lemstudio.co/yc-companies/copia-1009) — **Copia** · YC Winter 2016 · B2B, Office Management · Active · team 20 · yc_id:1009 — Copia's a for-profit technology company that solves food waste &…
- [Copper Health](https://lemstudio.co/yc-companies/copper-health-29306) — **Copper Health** · YC Winter 2024 · Healthcare, Healthcare IT · Active · team 2 · yc_id:29306 — Modern patient engagement and remote therapeutic monitoring platform
- [Copperlane](https://lemstudio.co/yc-companies/copperlane-31260) — **Copperlane** · YC Winter 2026 · Fintech, Credit and Lending · Active · team 3 · yc_id:31260 — Agentic Mortgage Origination
- [CopyCat AI](https://lemstudio.co/yc-companies/copycat-ai-30338) — **CopyCat AI** · YC Winter 2025 · Fintech, Insurance · Active · team 2 · yc_id:30338 — AI for Commercial Insurance Agencies
- [Cora](https://lemstudio.co/yc-companies/cora-29207) — **Cora** · YC Winter 2024 · Consumer · Active · team 3 · yc_id:29207 — AI Fitness Coach
- [Coral Genomics](https://lemstudio.co/yc-companies/coral-genomics-1981) — **Coral Genomics** · YC Summer 2018 · Healthcare, Drug Discovery and Delivery · Acquired · team 5 · yc_id:1981 — New clinical tests for managing autoimmune treatments.
- [CORE](https://lemstudio.co/yc-companies/core-28836) — **CORE** · YC Summer 2023 · B2B, Productivity · Active · team 3 · yc_id:28836 — Your AI butler that understands you really well and proactively acts…
- [CoreCare](https://lemstudio.co/yc-companies/corecare-21882) — **CoreCare** · YC Summer 2020 · Healthcare, Healthcare IT · Active · team 11 · yc_id:21882 — Helping healthcare providers reduce administrative costs using AI
- [Corelayer](https://lemstudio.co/yc-companies/corelayer-31241) — **Corelayer** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:31241 — AI production engineer for regulated industries
- [CoreOS](https://lemstudio.co/yc-companies/coreos-528) — **CoreOS** · YC Summer 2013 · B2B, Infrastructure · Acquired · team 150 · yc_id:528 — Open source tools of modern distributed systems.
- [Corgea](https://lemstudio.co/yc-companies/corgea-28862) — **Corgea** · YC Summer 2023 · B2B, Security · Active · team 6 · yc_id:28862 — Corgea finds, and fixes insecure code and packages autonomously. 
- [Corgi Insurance](https://lemstudio.co/yc-companies/corgi-insurance-29646) — **Corgi Insurance** · YC Summer 2024 · Fintech, Insurance · Active · team 250 · yc_id:29646 — Corgi is building an AI financial infrastructure company
- [Corgi Labs](https://lemstudio.co/yc-companies/corgi-labs-28077) — **Corgi Labs** · YC Winter 2023 · Fintech, Payments · Active · team 3 · yc_id:28077 — AI to increase payment acceptance and reduce fraud for businesses
- [Coris](https://lemstudio.co/yc-companies/coris-26882) — **Coris** · YC Summer 2022 · B2B, Infrastructure · Active · team 10 · yc_id:26882 — AI risk and ops platform for Payment Processors, Banks, SaaS…
- [Correlia Biosystems](https://lemstudio.co/yc-companies/correlia-biosystems-1791) — **Correlia Biosystems** · YC Winter 2018 · Healthcare, Diagnostics · Inactive · team 16 · yc_id:1791 — Next-gen blood testing to provide 1000x more data to pharma companies
- [Corsair](https://lemstudio.co/yc-companies/corsair-30319) — **Corsair** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30319 — OpenRouter for Integrations
- [Cortex](https://lemstudio.co/yc-companies/cortex-13233) — **Cortex** · YC Winter 2020 · B2B, Infrastructure · Active · team 100 · yc_id:13233 — Cortex is the Internal Developer Portal eliminating “developer tax”…
- [Cortex AI](https://lemstudio.co/yc-companies/cortex-ai-30930) — **Cortex AI** · YC Fall 2025 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:30930 — Large-scale real-world robot & human data for embodied AI
- [Corvera](https://lemstudio.co/yc-companies/corvera-31051) — **Corvera** · YC Winter 2026 · B2B, Sales · Active · team 4 · yc_id:31051 — The AI sales engine for CPG brands
- [Corveus Medical](https://lemstudio.co/yc-companies/corveus-medical-25450) — **Corveus Medical** · YC Winter 2022 · Healthcare, Medical Devices · Active · team 3 · yc_id:25450 — Catheter-based solution to treat chronic heart failure. 
- [Corvus Robotics](https://lemstudio.co/yc-companies/corvus-robotics-1950) — **Corvus Robotics** · YC Summer 2018 · Industrials, Drones · Active · team 30 · yc_id:1950 — Autonomous drones to help warehouses scan inventory.
- [Cosine](https://lemstudio.co/yc-companies/cosine-27839) — **Cosine** · YC Winter 2023 · B2B · Active · team 12 · yc_id:27839 — Fully Agentic SWE
- [Cosmic](https://lemstudio.co/yc-companies/cosmic-12280) — **Cosmic** · YC Winter 2019 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:12280 — Cosmic is an AI-powered headless CMS
- [Cosmic Robotics](https://lemstudio.co/yc-companies/cosmic-robotics-33012) — **Cosmic Robotics** · YC Summer 2026 · Industrials · Active · team 8 · yc_id:33012 — Autonomous construction on Earth and beyond
- [Costream](https://lemstudio.co/yc-companies/costream-30692) — **Costream** · YC Summer 2025 · Consumer · Active · team 8 · yc_id:30692 — Indexing human dialogue through digital products
- [Cotera](https://lemstudio.co/yc-companies/cotera-25680) — **Cotera** · YC Winter 2022 · B2B, Analytics · Active · team 8 · yc_id:25680 — The fastest way to build an AI agent
- [Cotool](https://lemstudio.co/yc-companies/cotool-30535) — **Cotool** · YC Spring 2025 · B2B, Security · Active · team 4 · yc_id:30535 — AI Agents for Security Operations Teams
- [Coub](https://lemstudio.co/yc-companies/coub-1242) — **Coub** · YC Summer 2016 · Consumer, Social · Inactive · team 11 · yc_id:1242 — Coub is YouTube for video loops. You can take any video from YouTube,…
- [Coulomb AI](https://lemstudio.co/yc-companies/coulomb-ai-24045) — **Coulomb AI** · YC Summer 2021 · B2B · Active · team 10 · yc_id:24045 — Battery Observability Platform for Electric Vehicles
- [Coupl](https://lemstudio.co/yc-companies/coupl-26724) — **Coupl** · YC Summer 2022 · Fintech, Banking and Exchange · Active · team 8 · yc_id:26724 — Banking designed for Indian couples.
- [Couple](https://lemstudio.co/yc-companies/couple-17) — **Couple** · YC Winter 2012 · Consumer, Social · Inactive · team 2 · yc_id:17 — App that connects two phones and creates a private
timeline to share…
- [Courier](https://lemstudio.co/yc-companies/courier-12534) — **Courier** · YC Summer 2019 · B2B, Engineering, Product and Design · Active · team 35 · yc_id:12534 — The fastest way for developers to build notifications for their app.
- [Coursedog](https://lemstudio.co/yc-companies/coursedog-11985) — **Coursedog** · YC Winter 2019 · B2B, Operations · Acquired · team 100 · yc_id:11985 — Higher Ed's Best Friend - integrated academic operations software.
- [Courtyard.io](https://lemstudio.co/yc-companies/courtyard-io-25787) — **Courtyard.io** · YC Winter 2022 · Consumer · Active · team 90 · yc_id:25787 — Courtyard turns shopping into entertainment with instant liquidity
- [Cova](https://lemstudio.co/yc-companies/cova-31268) — **Cova** · YC Summer 2026 · Healthcare · Active · team 2 · yc_id:31268 — Financial infrastructure for family caregiving
- [Coval](https://lemstudio.co/yc-companies/coval-29524) — **Coval** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:29524 — Simulation & Evaluation that scales voice and chat AI agents
- [Covela](https://lemstudio.co/yc-companies/covela-12868) — **Covela** · YC Summer 2019 · Fintech, Insurance · Inactive · team 6 · yc_id:12868 — The digital insurance broker for SMEs in LATAM
- [Cover](https://lemstudio.co/yc-companies/cover-1062) — **Cover** · YC Winter 2016 · Fintech, Insurance · Inactive · team 50 · yc_id:1062 — The mobile-first insurance platform that makes insurance easy.
- [Covera](https://lemstudio.co/yc-companies/covera-36084) — **Covera** · YC Fall 2026 · Fintech, Insurance · Active · team 2 · yc_id:36084 — AI-native OS for insurance brokers
- [Coverage Cat](https://lemstudio.co/yc-companies/coverage-cat-27260) — **Coverage Cat** · YC Summer 2022 · Fintech, Insurance · Active · team 4 · yc_id:27260 — Consumer Optimized Insurance
- [CoVerified](https://lemstudio.co/yc-companies/coverified-22710) — **CoVerified** · YC Winter 2021 · Healthcare, Healthcare IT · Inactive · team 9 · yc_id:22710 — Using infection data to keep organizations safe
- [Covetly](https://lemstudio.co/yc-companies/covetly-1628) — **Covetly** · YC Summer 2017 · Consumer, Home and Personal · Inactive · team 3 · yc_id:1628 — #1 Collectibles Marketplace: Authentic Vinyl Toys, Comics, Funko Pop 
- [Covie](https://lemstudio.co/yc-companies/covie-24257) — **Covie** · YC Summer 2021 · Fintech, Insurance · Inactive · team 14 · yc_id:24257 — Programmatic building blocks for transacting with insurance
- [Cowlar](https://lemstudio.co/yc-companies/cowlar-1445) — **Cowlar** · YC Winter 2017 · Industrials, Agriculture · Inactive · team 2 · yc_id:1445 — Fitbit for dairy cows. Farms use cowlar's alerts & recommendations to…
- [Cowrywise](https://lemstudio.co/yc-companies/cowrywise-2012) — **Cowrywise** · YC Summer 2018 · Fintech, Asset Management · Active · team 40 · yc_id:2012 — Digitizing wealth management in Africa
- [Cozmo AI](https://lemstudio.co/yc-companies/cozmo-ai-25338) — **Cozmo AI** · YC Winter 2022 · B2B · Active · team 5 · yc_id:25338 — End-to-end AI agents for property claims, from loss report to estimate
- [Cradle](https://lemstudio.co/yc-companies/cradle-21898) — **Cradle** · YC Summer 2020 · B2B, Retail · Active · team 2 · yc_id:21898 — B2B payments network in India
- [Craft Coffee](https://lemstudio.co/yc-companies/craft-coffee-665) — **Craft Coffee** · YC Summer 2014 · Consumer, Food and Beverage · Acquired · yc_id:665 — Better coffee for less money
- [CraftOS](https://lemstudio.co/yc-companies/craftos-28858) — **CraftOS** · YC Summer 2023 · B2B, Retail · Inactive · team 3 · yc_id:28858 — Inventory Management and POS for the Wine industry
- [Craftwork](https://lemstudio.co/yc-companies/craftwork-28823) — **Craftwork** · YC Summer 2023 · Real Estate and Construction, Construction · Active · team 50 · yc_id:28823 — Digital-native home painting franchise
- [Craniometrix](https://lemstudio.co/yc-companies/craniometrix-25332) — **Craniometrix** · YC Winter 2022 · Healthcare · Active · team 64 · yc_id:25332 — Using AI to help dementia patients age at home
- [Cranston AI](https://lemstudio.co/yc-companies/cranston-ai-30878) — **Cranston AI** · YC Fall 2025 · B2B, Finance and Accounting · Active · team 2 · yc_id:30878 — AI Tax prep and accounting software for CPA firms
- [Cratejoy](https://lemstudio.co/yc-companies/cratejoy-540) — **Cratejoy** · YC Summer 2013 · B2B, Retail · Active · team 51 · yc_id:540 — Cratejoy is the platform for subscriptions
- [Craze](https://lemstudio.co/yc-companies/craze-26739) — **Craze** · YC Summer 2022 · Consumer, Content · Active · team 8 · yc_id:26739 — Plan, edit and turn creative direction into videos people watch
- [Creative Market](https://lemstudio.co/yc-companies/creative-market-219) — **Creative Market** · YC Winter 2010 · B2B, Engineering, Product and Design · Acquired · yc_id:219 — Marketplace for graphic design assets
- [CreativeMode](https://lemstudio.co/yc-companies/creativemode-29716) — **CreativeMode** · YC Summer 2024 · Consumer, Gaming · Active · team 2 · yc_id:29716 — Lovable for Minecraft mods
- [CreatorML](https://lemstudio.co/yc-companies/creatorml-27825) — **CreatorML** · YC Winter 2023 · B2B, Analytics · Inactive · team 6 · yc_id:27825 — Foundation Model for Human Attention
- [Credal.ai](https://lemstudio.co/yc-companies/credal-ai-27690) — **Credal.ai** · YC Winter 2023 · B2B, Productivity · Active · team 14 · yc_id:27690 — The Control Plane for Enterprise Agents
- [CrediBook](https://lemstudio.co/yc-companies/credibook-26277) — **CrediBook** · YC Winter 2022 · B2B, Retail · Active · team 53 · yc_id:26277 — Faire for Indonesia
- [Credictive](https://lemstudio.co/yc-companies/credictive-451) — **Credictive** · YC Summer 2012 · B2B, Engineering, Product and Design · Inactive · yc_id:451 — Attribution metatags for online content.
- [CredPal](https://lemstudio.co/yc-companies/credpal-12248) — **CredPal** · YC Winter 2019 · Fintech, Credit and Lending · Active · team 35 · yc_id:12248 — CredPal is a buy now pay later company in Africa that allows…
- [Creizer](https://lemstudio.co/yc-companies/creizer-25559) — **Creizer** · YC Winter 2022 · Fintech, Credit and Lending · Active · team 12 · yc_id:25559 — Clear.co for LATAM. Revenue based financing for online sellers.
- [Crew](https://lemstudio.co/yc-companies/crew-24773) — **Crew** · YC Summer 2021 · B2B, Recruiting and Talent · Active · team 6 · yc_id:24773 — Next Gen ATS/CRM for Modern Recruitment Agencies
- [Cribspot](https://lemstudio.co/yc-companies/cribspot-758) — **Cribspot** · YC Winter 2015 · Real Estate and Construction, Housing and Real Estate · Inactive · team 2 · yc_id:758 — Tech-Enabled Real Estate Company (YC W15)
- [Crimson](https://lemstudio.co/yc-companies/crimson-30479) — **Crimson** · YC Spring 2025 · B2B, Legal · Active · team 6 · yc_id:30479 — The AI Associate for Litigation Lawyers
- [Criya](https://lemstudio.co/yc-companies/criya-25529) — **Criya** · YC Winter 2022 · B2B, Sales · Inactive · team 5 · yc_id:25529 — AI that builds GTM assets in seconds
- [crmCopilot](https://lemstudio.co/yc-companies/crmcopilot-29354) — **crmCopilot** · YC Winter 2024 · B2B, Sales · Inactive · team 2 · yc_id:29354 — Give Salesforce the AI upgrade it deserves
- [Crocodoc](https://lemstudio.co/yc-companies/crocodoc-215) — **Crocodoc** · YC Winter 2010 · B2B, Engineering, Product and Design · Acquired · yc_id:215 — Embed PDFs, PowerPoints, and other documents into web and mobile apps
- [Crohnology (by Healthy Labs)](https://lemstudio.co/yc-companies/crohnology-by-healthy-labs-418) — **Crohnology (by Healthy Labs)** · YC Summer 2012 · Healthcare, Consumer Health and Wellness · Inactive · team 1 · yc_id:418 — We turn Patients into Researchers.
- [Cron](https://lemstudio.co/yc-companies/cron-13315) — **Cron** · YC Winter 2020 · B2B, Productivity · Acquired · team 3 · yc_id:13315 — Next-generation calendar for professionals and teams
- [Crosslayer Labs](https://lemstudio.co/yc-companies/crosslayer-labs-31016) — **Crosslayer Labs** · YC Winter 2026 · B2B, Security · Active · team 3 · yc_id:31016 — Protect, monitor and defend your Internet presence
- [Crouton](https://lemstudio.co/yc-companies/crouton-30024) — **Crouton** · YC Fall 2024 · B2B, Operations · Active · team 4 · yc_id:30024 — The living map of your organization
- [CrowdAI](https://lemstudio.co/yc-companies/crowdai-1285) — **CrowdAI** · YC Summer 2016 · B2B · Acquired · team 32 · yc_id:1285 — CrowdAI is the world's leading no-code platform for vision AI
- [Crowdery](https://lemstudio.co/yc-companies/crowdery-529) — **Crowdery** · YC Summer 2013 · B2B, Retail · Inactive · team 2 · yc_id:529 — [Now Clara, YC S14- claralabs.com]
- [CrowdForce](https://lemstudio.co/yc-companies/crowdforce-13507) — **CrowdForce** · YC Winter 2020 · Fintech, Banking and Exchange · Acquired · team 41 · yc_id:13507 — Crowdforce is an app that allows any local merchant in Africa,…
- [CrowdMed](https://lemstudio.co/yc-companies/crowdmed-502) — **CrowdMed** · YC Winter 2013 · Healthcare, Healthcare Services · Inactive · team 5 · yc_id:502 — CrowdMed harnesses the wisdom of crowds to solve difficult medical…
- [CrowdVolt](https://lemstudio.co/yc-companies/crowdvolt-29508) — **CrowdVolt** · YC Winter 2024 · Consumer · Active · team 12 · yc_id:29508 — The integration layer for live events infrastructure 
- [Cruise](https://lemstudio.co/yc-companies/cruise-590) — **Cruise** · YC Winter 2014 · Industrials, Automotive · Acquired · team 3000 · yc_id:590 — Self-driving cars.
- [Crunched](https://lemstudio.co/yc-companies/crunched-30949) — **Crunched** · YC Fall 2025 · B2B, Finance and Accounting · Active · team 5 · yc_id:30949 — Excel AI analyst for Power Users
- [Crustdata](https://lemstudio.co/yc-companies/crustdata-30076) — **Crustdata** · YC Fall 2024 · B2B, Sales · Active · team 30 · yc_id:30076 — Real-time B2B data via simple APIs
- [Cryptoseal](https://lemstudio.co/yc-companies/cryptoseal-87) — **Cryptoseal** · YC Summer 2011 · B2B, Infrastructure · Acquired · team 3 · yc_id:87 — Server key management, VPN as a Service, Privacy VPN.  Sold to…
- [CSPA](https://lemstudio.co/yc-companies/cspa-1955) — **CSPA** · YC Summer 2018 · B2B, Recruiting and Talent · Acquired · team 6 · yc_id:1955 — The Computer Science Proficiency Assessment (CSPA™) is a…
- [CTGT](https://lemstudio.co/yc-companies/ctgt-30054) — **CTGT** · YC Fall 2024 · B2B, Infrastructure · Active · team 10 · yc_id:30054 — The deterministic layer for frontier intelligence
- [Cua](https://lemstudio.co/yc-companies/cua-30420) — **Cua** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30420 — Give every agent a cloud desktop
- [Cuanto](https://lemstudio.co/yc-companies/cuanto-12262) — **Cuanto** · YC Winter 2019 · Fintech, Payments · Active · team 4 · yc_id:12262 — Building the operating system for developing world merchants
- [cubic](https://lemstudio.co/yc-companies/cubic-30411) — **cubic** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:30411 — AI-powered code review platform
- [Cuboh](https://lemstudio.co/yc-companies/cuboh-12530) — **Cuboh** · YC Summer 2019 · B2B, Retail · Acquired · team 50 · yc_id:12530 — We help restaurants manage their online orders.
- [Cuckoo Labs](https://lemstudio.co/yc-companies/cuckoo-labs-30252) — **Cuckoo Labs** · YC Winter 2025 · B2B · Active · team 2 · yc_id:30252 — Real-time AI translator for global sales and marketing
- [Cue](https://lemstudio.co/yc-companies/cue-224) — **Cue** · YC Winter 2010 · Consumer, Home and Personal · Acquired · team 11 · yc_id:224
- [CueBench](https://lemstudio.co/yc-companies/cuebench-33345) — **CueBench** · YC Summer 2026 · B2B · Active · team 3 · yc_id:33345 — RL post-training for science reasoning and performance engineering
- [Culdesac](https://lemstudio.co/yc-companies/culdesac-2030) — **Culdesac** · YC Summer 2018 · Real Estate and Construction, Housing and Real Estate · Active · team 100 · yc_id:2030 — We build cities for people, not cars. 
- [Culture Biosciences](https://lemstudio.co/yc-companies/culture-biosciences-1856) — **Culture Biosciences** · YC Winter 2018 · Healthcare, Industrial Bio · Active · team 40 · yc_id:1856 — We grow cells for biotech companies.
- [Cumbuca](https://lemstudio.co/yc-companies/cumbuca-24485) — **Cumbuca** · YC Summer 2021 · Fintech · Active · team 5 · yc_id:24485 — Bare-metal access to Brazil's Open Finance and Pix systems
- [Cumulus Labs](https://lemstudio.co/yc-companies/cumulus-labs-31128) — **Cumulus Labs** · YC Winter 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31128 — The Fastest Multimodal Inference OS
- [Curacel](https://lemstudio.co/yc-companies/curacel-25684) — **Curacel** · YC Winter 2022 · Fintech, Insurance · Active · team 30 · yc_id:25684 — AI-Powered Infrastructure for Insurance & Healthcare
- [Curebase](https://lemstudio.co/yc-companies/curebase-1884) — **Curebase** · YC Summer 2018 · Healthcare, Healthcare Services · Active · team 27 · yc_id:1884 — Modern, AI-powered clinical trial software platform.
- [Curious Fictions](https://lemstudio.co/yc-companies/curious-fictions-1776) — **Curious Fictions** · YC Winter 2018 · Consumer, Content · Inactive · team 2 · yc_id:1776 — Patreon for professional authors.
- [Curo](https://lemstudio.co/yc-companies/curo-30083) — **Curo** · YC Fall 2024 · Industrials, Automotive · Acquired · team 10 · yc_id:30083 — Electric fleets park and charge anywhere with Curo
- [Current Foods](https://lemstudio.co/yc-companies/current-foods-21839) — **Current Foods** · YC Summer 2020 · Healthcare, Industrial Bio · Acquired · team 18 · yc_id:21839 — Impossible foods of seafood. 
- [Curri](https://lemstudio.co/yc-companies/curri-12850) — **Curri** · YC Summer 2019 · Real Estate and Construction, Construction · Active · team 104 · yc_id:12850 — Construction & industrial logistics platform.
- [Curtsy](https://lemstudio.co/yc-companies/curtsy-1276) — **Curtsy** · YC Summer 2016 · Consumer, Apparel and Cosmetics · Active · team 15 · yc_id:1276 — Curtsy is a sustainable clothing resale app.
- [Curvenote](https://lemstudio.co/yc-companies/curvenote-22706) — **Curvenote** · YC Winter 2021 · Healthcare, Healthcare IT · Active · team 3 · yc_id:22706 — Communication and publishing tools for scientists
- [CustomerOS](https://lemstudio.co/yc-companies/customeros-26723) — **CustomerOS** · YC Summer 2022 · B2B, Sales · Inactive · team 10 · yc_id:26723 — Uncover high-fit leads already silently engaging with your brand
- [Customily](https://lemstudio.co/yc-companies/customily-23956) — **Customily** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 30 · yc_id:23956 — Making it easy to sell personalized products online.
- [Custora](https://lemstudio.co/yc-companies/custora-150) — **Custora** · YC Winter 2011 · B2B, Analytics · Acquired · team 11 · yc_id:150 — Custora is a predictive analytics platform for e-commerce marketing…
- [CUTR](https://lemstudio.co/yc-companies/cutr-25418) — **CUTR** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 22 · yc_id:25418 — The marketplace for wood manufacturing
- [Cyberdesk](https://lemstudio.co/yc-companies/cyberdesk-30647) — **Cyberdesk** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30647 — Self learning computer use agent for developers
- [CyberFend](https://lemstudio.co/yc-companies/cyberfend-759) — **CyberFend** · YC Winter 2015 · B2B, Security · Acquired · team 2 · yc_id:759 — Cyberfend delivers robust, real-time web and mobile security by…
- [Cyble](https://lemstudio.co/yc-companies/cyble-22781) — **Cyble** · YC Winter 2021 · B2B, Security · Active · team 197 · yc_id:22781 — Cyble - World’s First Intelligence-Driven, AI-Native Security…
- [Cyclon](https://lemstudio.co/yc-companies/cyclon-37467) — **Cyclon** · YC Fall 2026 · Consumer, Consumer Electronics · Active · team 2 · yc_id:37467 — a phone where AI is the interface
- [Cymmetria](https://lemstudio.co/yc-companies/cymmetria-891) — **Cymmetria** · YC Summer 2015 · B2B, Security · Acquired · team 11 · yc_id:891 — Shifting the asymmetry of cyber security.
- [Cypher](https://lemstudio.co/yc-companies/cypher-25911) — **Cypher** · YC Winter 2022 · Fintech, Payments · Acquired · team 12 · yc_id:25911 — Crypto Neo-Bank (WhatsApp moment for bank accounts)
- [d_model](https://lemstudio.co/yc-companies/d-model-29703) — **d_model** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 20 · yc_id:29703 — Look inside the model
- [D-ID](https://lemstudio.co/yc-companies/d-id-1663) — **D-ID** · YC Summer 2017 · B2B, Security · Active · team 27 · yc_id:1663 — Enable creators and developers to generate realistic AI personas
- [Dabble](https://lemstudio.co/yc-companies/dabble-822) — **Dabble** · YC Winter 2015 · B2B, Marketing · Inactive · team 3 · yc_id:822 — A synthetic photo studio for e-commerce
- [Daedalus](https://lemstudio.co/yc-companies/daedalus-13476) — **Daedalus** · YC Winter 2020 · Industrials, Manufacturing and Robotics · Active · team 7 · yc_id:13476 — AWS for precision manufacturing
- [Dagger](https://lemstudio.co/yc-companies/dagger-12093) — **Dagger** · YC Winter 2019 · B2B, Engineering, Product and Design · Active · team 22 · yc_id:12093 — Develop your CI/CD pipelines as code and run them anywhere
- [DAGWorks Inc.](https://lemstudio.co/yc-companies/dagworks-inc-28081) — **DAGWorks Inc.** · YC Winter 2023 · B2B · Acquired · team 2 · yc_id:28081 — Open source tools & services for reliable AI Agents & AI Applications
- [Daily](https://lemstudio.co/yc-companies/daily-996) — **Daily** · YC Winter 2016 · B2B, Productivity · Active · team 126 · yc_id:996 — Conversational Voice and Multimodal AI built with Open Source 
- [DailyBooth](https://lemstudio.co/yc-companies/dailybooth-242) — **DailyBooth** · YC Summer 2009 · Consumer, Social · Acquired · team 2 · yc_id:242
- [Dailybot](https://lemstudio.co/yc-companies/dailybot-24153) — **Dailybot** · YC Summer 2021 · B2B, Productivity · Active · team 11 · yc_id:24153 — Make all team work visible — people and AI agents
- [DailyDoctor](https://lemstudio.co/yc-companies/dailydoctor-12079) — **DailyDoctor** · YC Winter 2019 · Healthcare · Inactive · yc_id:12079 — Daily telehealth care for people with COPD, CHF, hypertension, and…
- [DAIVIN!](https://lemstudio.co/yc-companies/daivin-31287) — **DAIVIN!** · YC Winter 2026 · Industrials, Defense · Active · team 1 · yc_id:31287 — Tankless Dive Gear - Breath Autonomy at Sea, Land & Space
- [Dalus](https://lemstudio.co/yc-companies/dalus-30328) — **Dalus** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30328 — AI-Powered Hardware System Design Software
- [Daqstra](https://lemstudio.co/yc-companies/daqstra-32649) — **Daqstra** · YC Summer 2026 · B2B · Active · team 3 · yc_id:32649 — AI-native test infrastructure layer for hardware companies
- [dari.dev](https://lemstudio.co/yc-companies/dari-dev-30864) — **dari.dev** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30864 — The Routing Layer for AI Agents
- [Darkgrade](https://lemstudio.co/yc-companies/darkgrade-30032) — **Darkgrade** · YC Fall 2024 · B2B, Infrastructure · Active · team 1 · yc_id:30032 — Let your camera understand the world
- [Darmiyan](https://lemstudio.co/yc-companies/darmiyan-1610) — **Darmiyan** · YC Summer 2017 · Healthcare, Diagnostics · Active · team 8 · yc_id:1610 — Early detection of Alzheimer's disease
- [Darrow](https://lemstudio.co/yc-companies/darrow-22987) — **Darrow** · YC Winter 2021 · B2B, Legal · Active · team 95 · yc_id:22987 — Bring Justice to Light
- [Darsel](https://lemstudio.co/yc-companies/darsel-26035) — **Darsel** · YC Winter 2022 · Education · Active · team 5 · yc_id:26035 — Chatbot teaching K12 math in developing countries
- [Dart](https://lemstudio.co/yc-companies/dart-25587) — **Dart** · YC Winter 2022 · B2B, Productivity · Active · team 10 · yc_id:25587 — The work and agent management platform
- [Dartboard](https://lemstudio.co/yc-companies/dartboard-30201) — **Dartboard** · YC Winter 2025 · Industrials · Active · team 2 · yc_id:30201 — AI-native remote operations center for hardware fleets
- [Darwin](https://lemstudio.co/yc-companies/darwin-30928) — **Darwin** · YC Fall 2025 · Industrials, Manufacturing and Robotics · Active · team 4 · yc_id:30928 — Humanoid robots
- [Dashblock](https://lemstudio.co/yc-companies/dashblock-12613) — **Dashblock** · YC Summer 2019 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:12613 — Turn any website into an API
- [Dashdive](https://lemstudio.co/yc-companies/dashdive-27703) — **Dashdive** · YC Winter 2023 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:27703 — Break down AI and cloud costs by feature and customer
- [Dashlabs.ai](https://lemstudio.co/yc-companies/dashlabs-ai-22842) — **Dashlabs.ai** · YC Winter 2021 · Healthcare, Healthcare IT · Active · team 30 · yc_id:22842 — Software for medical laboratories and clinics
- [Dashworks](https://lemstudio.co/yc-companies/dashworks-13145) — **Dashworks** · YC Winter 2020 · B2B, Productivity · Acquired · team 9 · yc_id:13145 — Your team's intelligent start page.
- [Data Driven Bioscience](https://lemstudio.co/yc-companies/data-driven-bioscience-1916) — **Data Driven Bioscience** · YC Summer 2018 · Healthcare, Diagnostics · Active · team 10 · yc_id:1916 — Cancer Diagnosis 10X faster, 10X cheaper
- [Data Marketplace](https://lemstudio.co/yc-companies/data-marketplace-233) — **Data Marketplace** · YC Winter 2010 · B2B, Analytics · Inactive · team 2 · yc_id:233
- [Data Mechanics](https://lemstudio.co/yc-companies/data-mechanics-12669) — **Data Mechanics** · YC Summer 2019 · B2B, Infrastructure · Acquired · team 25 · yc_id:12669 — Spark-on-Kubernetes Data Engineering Platform
- [Datacurve](https://lemstudio.co/yc-companies/datacurve-29457) — **Datacurve** · YC Winter 2024 · B2B · Active · team 4 · yc_id:29457 — Frontier coding data for training and evaluating LLMs
- [Datafold](https://lemstudio.co/yc-companies/datafold-21781) — **Datafold** · YC Summer 2020 · B2B, Analytics · Active · team 30 · yc_id:21781 — Automating manual and repetitive data engineering tasks with AI
- [Dataform](https://lemstudio.co/yc-companies/dataform-1830) — **Dataform** · YC Winter 2018 · B2B, Analytics · Acquired · team 10 · yc_id:1830 — Manage data in Snowflake, BigQuery, and Redshift
- [Datafruit](https://lemstudio.co/yc-companies/datafruit-30628) — **Datafruit** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30628 — The AI workspace for software implementations
- [Dataglade](https://lemstudio.co/yc-companies/dataglade-27812) — **Dataglade** · YC Winter 2023 · Fintech · Active · team 2 · yc_id:27812 — The smart way to research stocks.
- [Dataherald](https://lemstudio.co/yc-companies/dataherald-23303) — **Dataherald** · YC Winter 2021 · B2B · Inactive · team 18 · yc_id:23303 — Embed NL-to-SQL into your Product 📈
- [Dataland](https://lemstudio.co/yc-companies/dataland-22076) — **Dataland** · YC Summer 2020 · B2B, Operations · Active · team 4 · yc_id:22076 — AI agents for customer support.
- [Dataleap](https://lemstudio.co/yc-companies/dataleap-29807) — **Dataleap** · YC Summer 2024 · B2B · Active · team 6 · yc_id:29807 — AI Employees for the Enterprise
- [Datamode](https://lemstudio.co/yc-companies/datamode-12258) — **Datamode** · YC Winter 2019 · B2B, Engineering, Product and Design · Inactive · team 1 · yc_id:12258 — Datamode (datamode.com) is a tool for engineers to instantly diagnose…
- [DataNitro](https://lemstudio.co/yc-companies/datanitro-411) — **DataNitro** · YC Summer 2012 · B2B, Engineering, Product and Design · Inactive · team 11 · yc_id:411 — We speed up Excel.
- [Datarank](https://lemstudio.co/yc-companies/datarank-564) — **Datarank** · YC Summer 2013 · B2B, Marketing · Acquired · team 11 · yc_id:564 — Making sense of social data. 
(Acquired by SimplyMeasured.)
- [Datasaur](https://lemstudio.co/yc-companies/datasaur-13144) — **Datasaur** · YC Winter 2020 · B2B · Active · team 60 · yc_id:13144 — Datasaur builds private AI/agents for enterprise/government
- [DataShare](https://lemstudio.co/yc-companies/datashare-28829) — **DataShare** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:28829 — Embed charts, dashboards and exports in your app
- [DataSuite](https://lemstudio.co/yc-companies/datasuite-27867) — **DataSuite** · YC Winter 2023 · B2B, Legal · Active · team 4 · yc_id:27867 — Dataset Management for AI Trainers
- [Dating Ring](https://lemstudio.co/yc-companies/dating-ring-591) — **Dating Ring** · YC Winter 2014 · Consumer, Social · Inactive · team 2 · yc_id:591 — In person matchmaking meets group dating. We do the work. You go on…
- [Datlo](https://lemstudio.co/yc-companies/datlo-24846) — **Datlo** · YC Summer 2021 · B2B, Analytics · Active · team 60 · yc_id:24846 — Datlo helps companies increase sales and expand through data
- [Datoric](https://lemstudio.co/yc-companies/datoric-31223) — **Datoric** · YC Summer 2026 · B2B · Active · team 2 · yc_id:31223 — The secure training data R&D engine for physical AI
- [Datree](https://lemstudio.co/yc-companies/datree-13053) — **Datree** · YC Winter 2020 · B2B, Security · Inactive · team 16 · yc_id:13053 — Datree prevents Kubernetes misconfigurations from reaching production
- [Datrics](https://lemstudio.co/yc-companies/datrics-22951) — **Datrics** · YC Winter 2021 · Healthcare · Active · team 22 · yc_id:22951 — Generative AI Healthcare Coding Automation
- [David AI](https://lemstudio.co/yc-companies/david-ai-29759) — **David AI** · YC Summer 2024 · B2B · Active · team 10 · yc_id:29759 — Data for audio AI
- [Dawn Industries](https://lemstudio.co/yc-companies/dawn-industries-33344) — **Dawn Industries** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:33344 — Automatic Diagnosis & Fix for Industrial Automation Cells
- [Daybreak Health](https://lemstudio.co/yc-companies/daybreak-health-21947) — **Daybreak Health** · YC Summer 2020 · Healthcare, Consumer Health and Wellness · Active · team 20 · yc_id:21947 — The first digital mental health system for youth
- [Dayflow](https://lemstudio.co/yc-companies/dayflow-29852) — **Dayflow** · YC Summer 2024 · Consumer · Active · team 2 · yc_id:29852 — Generate a detailed log of everything you've worked on, automatically.
- [Dayjob](https://lemstudio.co/yc-companies/dayjob-31370) — **Dayjob** · YC Spring 2026 · B2B, Supply Chain and Logistics · Active · team 5 · yc_id:31370 — AI Scheduling for Short Haul Trucks
- [Dayra](https://lemstudio.co/yc-companies/dayra-23405) — **Dayra** · YC Winter 2021 · Fintech, Credit and Lending · Active · team 10 · yc_id:23405 — Data-driven embedded Financial Services for Gig Workers
- [Deako](https://lemstudio.co/yc-companies/deako-1007) — **Deako** · YC Winter 2016 · Consumer, Home and Personal · Active · team 11 · yc_id:1007 — We make beautiful connected light switches that allow you to control…
- [Dealls – Jobs & Mentoring](https://lemstudio.co/yc-companies/dealls-jobs-mentoring-26073) — **Dealls – Jobs & Mentoring** · YC Winter 2022 · B2B, Recruiting and Talent · Active · team 127 · yc_id:26073 — Indonesia's #1 ATS & Job Portal to match top talents & companies
- [Dealyze](https://lemstudio.co/yc-companies/dealyze-804) — **Dealyze** · YC Winter 2015 · B2B, Retail · Inactive · team 6 · yc_id:804 — Dealyze helps national retailers build exceptional customer and…
- [Dear Brightly](https://lemstudio.co/yc-companies/dear-brightly-1779) — **Dear Brightly** · YC Winter 2018 · Healthcare, Consumer Health and Wellness · Acquired · team 3 · yc_id:1779 — Dear Brightly makes personalized prescription skincare products,…
- [Deasy Labs](https://lemstudio.co/yc-companies/deasy-labs-28787) — **Deasy Labs** · YC Summer 2023 · B2B, Analytics · Acquired · team 8 · yc_id:28787 — Metadata for GenAI workflows
- [Debteye](https://lemstudio.co/yc-companies/debteye-80) — **Debteye** · YC Summer 2011 · Fintech, Consumer Finance · Acquired · team 2 · yc_id:80 — Automate credit counseling.
- [Decawork](https://lemstudio.co/yc-companies/decawork-33047) — **Decawork** · YC Summer 2026 · B2B, Infrastructure · Active · team 2 · yc_id:33047 — Training company-specific models that approve AI actions.
- [Decent](https://lemstudio.co/yc-companies/decent-37274) — **Decent** · YC Fall 2026 · Fintech, Insurance · Active · team 2 · yc_id:37274 — Continuous optimization for employer health plans.
- [Decent](https://lemstudio.co/yc-companies/decent-25950) — **Decent** · YC Winter 2022 · B2B, Infrastructure · Acquired · team 6 · yc_id:25950 — Cross-chain routing + trading APIs. One-click transactions with any…
- [Decentro](https://lemstudio.co/yc-companies/decentro-22003) — **Decentro** · YC Summer 2020 · B2B, Engineering, Product and Design · Active · team 60 · yc_id:22003 — API Platform for Banking Integrations (Plaid for India and APAC)
- [Decipher AI](https://lemstudio.co/yc-companies/decipher-ai-29334) — **Decipher AI** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:29334 — QA agents that write tests 10x faster with zero maintenance
- [Decisional AI](https://lemstudio.co/yc-companies/decisional-ai-29655) — **Decisional AI** · YC Summer 2024 · B2B · Active · team 3 · yc_id:29655 — AI Coworkers for Business Automation
- [Decoda Health](https://lemstudio.co/yc-companies/decoda-health-28890) — **Decoda Health** · YC Summer 2023 · Healthcare, Healthcare IT · Active · team 19 · yc_id:28890 — The all-in-one EMR built for med spas and elective care
- [Decohere](https://lemstudio.co/yc-companies/decohere-28097) — **Decohere** · YC Winter 2023 · Consumer, Content · Active · team 4 · yc_id:28097 — Real-time generative AI
- [Dedalus Labs](https://lemstudio.co/yc-companies/dedalus-labs-30605) — **Dedalus Labs** · YC Summer 2025 · B2B, Infrastructure · Active · team 8 · yc_id:30605 — Persistent computers for AI agents
- [Deed](https://lemstudio.co/yc-companies/deed-24049) — **Deed** · YC Summer 2021 · B2B, Human Resources · Acquired · team 40 · yc_id:24049 — Making it easy for employees to donate and volunteer with good causes.
- [Deel](https://lemstudio.co/yc-companies/deel-12064) — **Deel** · YC Winter 2019 · B2B, Finance and Accounting · Active · team 5000 · yc_id:12064 — The all-in-one HR and payroll platform for global teams
- [Deep Interactions](https://lemstudio.co/yc-companies/deep-interactions-31395) — **Deep Interactions** · YC Spring 2026 · B2B · Active · team 4 · yc_id:31395 — Collaborative AI app builder for teams
- [Deep Meditate](https://lemstudio.co/yc-companies/deep-meditate-13120) — **Deep Meditate** · YC Winter 2020 · Healthcare, Consumer Health and Wellness · Active · team 1 · yc_id:13120 — Deep Meditate is an app that helps you de-stress, sleep, and…
- [Deep24](https://lemstudio.co/yc-companies/deep24-29422) — **Deep24** · YC Winter 2024 · Education · Active · team 2 · yc_id:29422 — AI coach for your entire life
- [DeepAware AI (Robotics Center of Silicon Valley)](https://lemstudio.co/yc-companies/deepaware-ai-robotics-center-of-silicon-valley-30662) — **DeepAware AI (Robotics Center of Silicon Valley)** · YC Summer 2025 · Industrials, Manufacturing and Robotics · Active · team 4 · yc_id:30662 — Robots, parts & RL envs & evals - delivered in 48 hrs / pickup in SF.
- [Deepgram](https://lemstudio.co/yc-companies/deepgram-977) — **Deepgram** · YC Winter 2016 · B2B, Engineering, Product and Design · Active · team 115 · yc_id:977 — Building foundational AI for speech transcription and understanding.
- [DeepGrove](https://lemstudio.co/yc-companies/deepgrove-30656) — **DeepGrove** · YC Summer 2025 · B2B · Active · team 3 · yc_id:30656 — Frontier Intelligence. On Any Device.
- [DeepMark](https://lemstudio.co/yc-companies/deepmark-38127) — **DeepMark** · YC Fall 2026 · B2B, Security · Active · team 5 · yc_id:38127 — A live watermark inside AI voice that survives phone calls
- [Deepnight](https://lemstudio.co/yc-companies/deepnight-29447) — **Deepnight** · YC Winter 2024 · Industrials, Defense · Active · team 16 · yc_id:29447 — Building The Next Generation of Night Vision Devices
- [Deepnote](https://lemstudio.co/yc-companies/deepnote-12860) — **Deepnote** · YC Summer 2019 · B2B, Engineering, Product and Design · Active · yc_id:12860 — A better data science notebook.
- [DeepReach Inc.](https://lemstudio.co/yc-companies/deepreach-inc-32206) — **DeepReach Inc.** · YC Summer 2026 · B2B · Active · team 6 · yc_id:32206 — Network for Physical AI Data Business
- [deepsilicon](https://lemstudio.co/yc-companies/deepsilicon-29747) — **deepsilicon** · YC Summer 2024 · Industrials · Inactive · team 2 · yc_id:29747 — Software and hardware to run neural networks faster and cheaper
- [DeepSim, Inc.](https://lemstudio.co/yc-companies/deepsim-inc-29672) — **DeepSim, Inc.** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:29672 — An AI physics simulator for AI chip design
- [DeepSource](https://lemstudio.co/yc-companies/deepsource-13334) — **DeepSource** · YC Winter 2020 · B2B, Engineering, Product and Design · Acquired · team 12 · yc_id:13334 — Unified DevSecOps platform, helping developers ship good code.
- [Deeptrace](https://lemstudio.co/yc-companies/deeptrace-30858) — **Deeptrace** · YC Fall 2025 · B2B · Active · team 4 · yc_id:30858 — AI agents for on-call
- [Defer](https://lemstudio.co/yc-companies/defer-27972) — **Defer** · YC Winter 2023 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:27972 — Zero infrastructure background processing platform.
- [Definite](https://lemstudio.co/yc-companies/definite-32286) — **Definite** · YC Fall 2026 · B2B, Finance and Accounting · Active · team 3 · yc_id:32286 — Build everyday back-office agents on one live model of your books
- [Degla Inc](https://lemstudio.co/yc-companies/degla-inc-31452) — **Degla Inc** · YC Fall 2026 · Industrials, Drones · Active · team 2 · yc_id:31452 — The fully autonomous intelligence layer in the sky.
- [Degrees of Freedom](https://lemstudio.co/yc-companies/degrees-of-freedom-22470) — **Degrees of Freedom** · YC Winter 2021 · Education · Inactive · team 7 · yc_id:22470 — DoF provides a high quality, affordable higher education alternative.
- [Delee](https://lemstudio.co/yc-companies/delee-1532) — **Delee** · YC Winter 2017 · Healthcare, Diagnostics · Active · team 18 · yc_id:1532 — Blood testing device for early diagnosis of cancer and treatment…
- [Delegasi](https://lemstudio.co/yc-companies/delegasi-26752) — **Delegasi** · YC Summer 2022 · B2B, Finance and Accounting · Inactive · team 8 · yc_id:26752 — Automated accounting service for small businesses in Indonesia
- [Delfino AI](https://lemstudio.co/yc-companies/delfino-ai-27206) — **Delfino AI** · YC Summer 2022 · Healthcare, Healthcare IT · Active · team 2 · yc_id:27206 — Generative AI for administrative automation in healthcare 
- [Delineate](https://lemstudio.co/yc-companies/delineate-29988) — **Delineate** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 20 · yc_id:29988 — Agents for Accelerated Clinical Trial Design
- [delt.ai](https://lemstudio.co/yc-companies/delt-ai-13475) — **delt.ai** · YC Winter 2020 · Fintech, Banking and Exchange · Acquired · team 26 · yc_id:13475 — Digital banking for businesses in Latam.
- [Deluux](https://lemstudio.co/yc-companies/deluux-318) — **Deluux** · YC Winter 2008 · Consumer, Social · Inactive · team 2 · yc_id:318
- [Delve](https://lemstudio.co/yc-companies/delve-29389) — **Delve** · YC Winter 2024 · B2B, Security · Active · team 33 · yc_id:29389 — AI that makes compliance effortless
- [Demand Curve](https://lemstudio.co/yc-companies/demand-curve-12769) — **Demand Curve** · YC Summer 2019 · Education · Active · team 10 · yc_id:12769 — Learn how to build a scalable growth engine
- [DemandSphere](https://lemstudio.co/yc-companies/demandsphere-187) — **DemandSphere** · YC Summer 2010 · B2B, Marketing · Active · team 40 · yc_id:187 — SEO & Content Marketing Intelligence
- [Demeanor.co](https://lemstudio.co/yc-companies/demeanor-co-1909) — **Demeanor.co** · YC Summer 2018 · Consumer, Social · Acquired · team 4 · yc_id:1909 — Now part of thentwrk.com
- [Demo Gorilla](https://lemstudio.co/yc-companies/demo-gorilla-25731) — **Demo Gorilla** · YC Winter 2022 · B2B, Sales · Inactive · team 2 · yc_id:25731 — Make all your live SaaS demos impactful: close more ARR faster
- [Democracy Earth](https://lemstudio.co/yc-companies/democracy-earth-760) — **Democracy Earth** · YC Winter 2015 · Unspecified · Active · team 2 · yc_id:760 — Censorship resistant democracies. 
- [DemocracyOS](https://lemstudio.co/yc-companies/democracyos-1434) — **DemocracyOS** · YC Winter 2015 · Government · Active · team 1 · yc_id:1434 — Online space for deliberation, policy making and democratic…
- [Demodesk](https://lemstudio.co/yc-companies/demodesk-12005) — **Demodesk** · YC Winter 2019 · B2B, Sales · Active · team 25 · yc_id:12005 — AI-powered sales coaching
- [Demospace](https://lemstudio.co/yc-companies/demospace-27708) — **Demospace** · YC Winter 2023 · B2B · Inactive · team 2 · yc_id:27708
- [Den](https://lemstudio.co/yc-companies/den-30538) — **Den** · YC Spring 2025 · B2B, Productivity · Active · team 2 · yc_id:30538 — Make real life a video game
- [Dench.com](https://lemstudio.co/yc-companies/dench-com-29695) — **Dench.com** · YC Summer 2024 · B2B, Productivity · Active · team 6 · yc_id:29695 — Workspace for your AI Agents, Build any Workflow.
- [Denki](https://lemstudio.co/yc-companies/denki-30962) — **Denki** · YC Fall 2025 · B2B, Finance and Accounting · Active · team 4 · yc_id:30962 — The full-stack AI financial audit firm
- [Denormalized](https://lemstudio.co/yc-companies/denormalized-26663) — **Denormalized** · YC Summer 2022 · B2B, Infrastructure · Inactive · team 2 · yc_id:26663 — serverless platform for real-time data
- [Denta](https://lemstudio.co/yc-companies/denta-32782) — **Denta** · YC Summer 2026 · Fintech, Insurance · Active · team 1 · yc_id:32782 — Dental Insurance
- [Depict](https://lemstudio.co/yc-companies/depict-21777) — **Depict** · YC Summer 2020 · B2B, Marketing · Active · team 32 · yc_id:21777 — GPT Search & Merchandising for fashion e-commerce
- [Deploy](https://lemstudio.co/yc-companies/deploy-35455) — **Deploy** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:35455 — The generalist robot deployment company.
- [Depot](https://lemstudio.co/yc-companies/depot-27693) — **Depot** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 22 · yc_id:27693 — Software delivery built for machine scale.
- [Derya](https://lemstudio.co/yc-companies/derya-33050) — **Derya** · YC Summer 2026 · B2B, Supply Chain and Logistics · Active · team 2 · yc_id:33050 — AI Brokers for Industrial Trade
- [Design Arena](https://lemstudio.co/yc-companies/design-arena-30637) — **Design Arena** · YC Summer 2025 · Consumer · Active · team 3 · yc_id:30637 — World's largest crowdsourced benchmark for AI-generated design
- [Designbase](https://lemstudio.co/yc-companies/designbase-27668) — **Designbase** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:27668 — Design and build great interfaces
- [Deskimo](https://lemstudio.co/yc-companies/deskimo-23955) — **Deskimo** · YC Summer 2021 · B2B, Office Management · Active · team 12 · yc_id:23955 — Workspaces on demand, paid by the minute.
- [Dev Tools AI](https://lemstudio.co/yc-companies/dev-tools-ai-27264) — **Dev Tools AI** · YC Summer 2022 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:27264 — AI powered web & mobile automation
- [DevColor](https://lemstudio.co/yc-companies/devcolor-1098) — **DevColor** · YC Winter 2016 · Unspecified · Active · team 7 · yc_id:1098 — We give Black software engineers support they need to advance in tech.
- [DevCycle](https://lemstudio.co/yc-companies/devcycle-600) — **DevCycle** · YC Winter 2014 · B2B, Engineering, Product and Design · Acquired · team 55 · yc_id:600 — Feature Flag Management Built for Developers
- [DevFlight](https://lemstudio.co/yc-companies/devflight-11955) — **DevFlight** · YC Winter 2019 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:11955 — Managed equipment data pipelines for manufacturers
- [Devyce](https://lemstudio.co/yc-companies/devyce-26711) — **Devyce** · YC Summer 2022 · B2B, Operations · Active · team 20 · yc_id:26711 — The global mobile network for business. 
- [Dex](https://lemstudio.co/yc-companies/dex-12525) — **Dex** · YC Summer 2019 · Consumer, Home and Personal · Active · team 7 · yc_id:12525 — Dex is a personal CRM that reminds you to keep in touch with the…
- [Dexter](https://lemstudio.co/yc-companies/dexter-30080) — **Dexter** · YC Fall 2024 · B2B, Finance and Accounting · Active · team 3 · yc_id:30080 — Spend Intelligence for Complex Enterprises
- [Dexto](https://lemstudio.co/yc-companies/dexto-30213) — **Dexto** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30213 — AWS for AI Agents
- [DGI Apparel](https://lemstudio.co/yc-companies/dgi-apparel-29271) — **DGI Apparel** · YC Winter 2024 · B2B, Supply Chain and Logistics · Inactive · team 4 · yc_id:29271 — Expedia for ordering blank apparel
- [Dharma Labs](https://lemstudio.co/yc-companies/dharma-labs-1714) — **Dharma Labs** · YC Summer 2017 · Fintech, Credit and Lending · Acquired · team 14 · yc_id:1714 — The easiest way to buy 74k+ crypto tokens with USD
- [Dialect](https://lemstudio.co/yc-companies/dialect-21862) — **Dialect** · YC Summer 2020 · B2B · Acquired · team 8 · yc_id:21862 — Making internet experiences distributable and actionable everywhere
- [Dialect](https://lemstudio.co/yc-companies/dialect-26673) — **Dialect** · YC Summer 2022 · B2B, Productivity · Inactive · team 3 · yc_id:26673 — AI copilot for forms, questionnaires & RFX
- [Dialogus](https://lemstudio.co/yc-companies/dialogus-32202) — **Dialogus** · YC Summer 2026 · B2B, Infrastructure · Active · team 3 · yc_id:32202 — The AI-native contact center
- [Dialtone](https://lemstudio.co/yc-companies/dialtone-28884) — **Dialtone** · YC Summer 2023 · B2B · Active · team 2 · yc_id:28884 — AI Agents for Enterprises
- [Diana](https://lemstudio.co/yc-companies/diana-29404) — **Diana** · YC Winter 2024 · B2B · Active · team 7 · yc_id:29404 — Give Your Employee An Employee
- [Didit](https://lemstudio.co/yc-companies/didit-31080) — **Didit** · YC Winter 2026 · B2B, Infrastructure · Active · team 16 · yc_id:31080 — Infrastructure for identity and fraud.
- [Diffuse Bio](https://lemstudio.co/yc-companies/diffuse-bio-28037) — **Diffuse Bio** · YC Winter 2023 · Healthcare, Drug Discovery and Delivery · Active · team 10 · yc_id:28037 — Generative AI for protein design
- [Diffusion Studio](https://lemstudio.co/yc-companies/diffusion-studio-30102) — **Diffusion Studio** · YC Fall 2024 · Consumer, Content · Active · team 2 · yc_id:30102 — Turn your agent into a professional video editor
- [digi](https://lemstudio.co/yc-companies/digi-25662) — **digi** · YC Winter 2022 · Fintech · Active · team 30 · yc_id:25662 — Enabling banks have a fintech-style loan origination process
- [Digi-Prex](https://lemstudio.co/yc-companies/digi-prex-12739) — **Digi-Prex** · YC Summer 2019 · Healthcare, Consumer Health and Wellness · Active · team 32 · yc_id:12739 — Subscription pharmacy for patients with chronic diseases
- [DigiBuild](https://lemstudio.co/yc-companies/digibuild-24291) — **DigiBuild** · YC Summer 2021 · Real Estate and Construction, Construction · Active · team 15 · yc_id:24291 — We buy & track building materials for construction companies.
- [Digipals](https://lemstudio.co/yc-companies/digipals-30816) — **Digipals** · YC Fall 2025 · Consumer, Social · Active · team 3 · yc_id:30816 — The future of Social in the age of AI
- [Digistain](https://lemstudio.co/yc-companies/digistain-24445) — **Digistain** · YC Summer 2021 · Healthcare, Diagnostics · Active · team 40 · yc_id:24445 — Pioneering Breast Cancer Diagnostics for a Healthier Tomorrow
- [DigitalCarbon](https://lemstudio.co/yc-companies/digitalcarbon-29635) — **DigitalCarbon** · YC Summer 2024 · B2B · Active · yc_id:29635 — Transform Images And Videos Into Immersive 3D With AI
- [dili](https://lemstudio.co/yc-companies/dili-29092) — **dili** · YC Summer 2023 · B2B, Finance and Accounting · Active · team 15 · yc_id:29092 — Automating Compliance for Construction
- [DiligenceSquared](https://lemstudio.co/yc-companies/diligencesquared-30993) — **DiligenceSquared** · YC Fall 2025 · B2B, Analytics · Active · team 3 · yc_id:30993 — AI-powered market due diligence for investment decisions
- [Diligent](https://lemstudio.co/yc-companies/diligent-28805) — **Diligent** · YC Summer 2023 · Fintech · Active · team 10 · yc_id:28805 — AI agents for fintech risk and compliance operations
- [Dill](https://lemstudio.co/yc-companies/dill-28092) — **Dill** · YC Winter 2023 · B2B, Finance and Accounting · Active · yc_id:28092 — Dill helps construction suppliers automate accounts receivable,…
- [Dime](https://lemstudio.co/yc-companies/dime-29364) — **Dime** · YC Winter 2024 · B2B · Active · team 3 · yc_id:29364 — Dime automates administrative busywork at healthcare clinics
- [Dime](https://lemstudio.co/yc-companies/dime-24605) — **Dime** · YC Summer 2021 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:24605 — Instant E2E tests for your website
- [Dimely](https://lemstudio.co/yc-companies/dimely-29741) — **Dimely** · YC Summer 2024 · B2B, Finance and Accounting · Active · team 3 · yc_id:29741 — AI-Powered Spreadsheet for Billing Automation
- [DimOrder](https://lemstudio.co/yc-companies/dimorder-25788) — **DimOrder** · YC Winter 2022 · B2B · Active · team 70 · yc_id:25788 — Toast for Southeast Asia
- [Dinesafe](https://lemstudio.co/yc-companies/dinesafe-1899) — **Dinesafe** · YC Summer 2018 · Healthcare, Consumer Health and Wellness · Active · team 6 · yc_id:1899 — We crowdsource food safety reports & detect and prevent outbreaks.
- [Diode Computers, Inc.](https://lemstudio.co/yc-companies/diode-computers-inc-29851) — **Diode Computers, Inc.** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:29851 — Automate circuit board design using AI
- [Dioptra](https://lemstudio.co/yc-companies/dioptra-25486) — **Dioptra** · YC Winter 2022 · B2B, Legal · Acquired · team 4 · yc_id:25486 — Automated contract review with AI
- [Dioxus Labs](https://lemstudio.co/yc-companies/dioxus-labs-28789) — **Dioxus Labs** · YC Summer 2023 · B2B, Engineering, Product and Design · Acquired · team 4 · yc_id:28789 — Web, Desktop, and Mobile apps with one codebase in Rust
- [Dipole Labs](https://lemstudio.co/yc-companies/dipole-labs-31277) — **Dipole Labs** · YC Summer 2026 · Industrials · Active · yc_id:31277 — AI-controlled optical switching for AI clusters
- [Direct Match](https://lemstudio.co/yc-companies/direct-match-1166) — **Direct Match** · YC Winter 2015 · Fintech, Banking and Exchange · Inactive · team 11 · yc_id:1166
- [Directed Edge](https://lemstudio.co/yc-companies/directed-edge-245) — **Directed Edge** · YC Summer 2009 · Consumer, Home and Personal · Active · team 2 · yc_id:245 — Product recommendations.
- [DirectShifts](https://lemstudio.co/yc-companies/directshifts-12662) — **DirectShifts** · YC Summer 2019 · Healthcare, Healthcare Services · Active · team 72 · yc_id:12662 — Workforce platform to recruit, license, credential & manage clinicians
- [Disclo](https://lemstudio.co/yc-companies/disclo-26768) — **Disclo** · YC Summer 2022 · B2B, Human Resources · Active · team 10 · yc_id:26768 — Health disclosure and accommodation management platform
- [disclosures.io](https://lemstudio.co/yc-companies/disclosures-io-1695) — **disclosures.io** · YC Summer 2017 · Real Estate and Construction, Housing and Real Estate · Acquired · team 10 · yc_id:1695 — The Complete Listing Toolkit for the New Era of Real Estate
- [Discovered Materials](https://lemstudio.co/yc-companies/discovered-materials-31362) — **Discovered Materials** · YC Spring 2026 · Industrials · Active · team 2 · yc_id:31362 — AI scientists to discover materials for the semiconductor industry.
- [Dispatch](https://lemstudio.co/yc-companies/dispatch-31294) — **Dispatch** · YC Spring 2026 · Industrials, Aviation and Space · Active · team 4 · yc_id:31294 — Satellites for Manufacturing in Space
- [DisputeNinja](https://lemstudio.co/yc-companies/disputeninja-29003) — **DisputeNinja** · YC Summer 2023 · B2B · Active · team 2 · yc_id:29003 — Automate your chargebacks with AI agents
- [Disqus](https://lemstudio.co/yc-companies/disqus-327) — **Disqus** · YC Summer 2007 · B2B, Engineering, Product and Design · Acquired · team 11 · yc_id:327 — Add comments to your website.
- [Distro](https://lemstudio.co/yc-companies/distro-29761) — **Distro** · YC Summer 2024 · B2B, Supply Chain and Logistics · Active · team 11 · yc_id:29761 — The AI co-pilot for sales reps at industrial wholesale distributors.
- [Ditto](https://lemstudio.co/yc-companies/ditto-13119) — **Ditto** · YC Winter 2020 · B2B, Engineering, Product and Design · Active · team 14 · yc_id:13119 — Manage the words across your team’s product from design to production.
- [Ditto Biosciences](https://lemstudio.co/yc-companies/ditto-biosciences-31225) — **Ditto Biosciences** · YC Winter 2026 · Healthcare, Drug Discovery and Delivery · Active · team 3 · yc_id:31225 — Evolutionary intelligence for autoimmune disease
- [Dittofeed](https://lemstudio.co/yc-companies/dittofeed-26709) — **Dittofeed** · YC Summer 2022 · B2B, Marketing · Inactive · team 2 · yc_id:26709 — Open-source customer engagement & messaging automation
- [Diversion](https://lemstudio.co/yc-companies/diversion-26898) — **Diversion** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 14 · yc_id:26898 — A scalable, cloud-native Perforce and Git alternative
- [Divvyshot](https://lemstudio.co/yc-companies/divvyshot-272) — **Divvyshot** · YC Winter 2009 · Consumer, Social · Acquired · team 2 · yc_id:272
- [Djamo](https://lemstudio.co/yc-companies/djamo-23458) — **Djamo** · YC Winter 2021 · Fintech, Banking and Exchange · Active · team 250 · yc_id:23458 — Challenger Bank for consumers in French speaking Africa.
- [dNovo](https://lemstudio.co/yc-companies/dnovo-2016) — **dNovo** · YC Summer 2018 · Healthcare, Therapeutics · Inactive · team 4 · yc_id:2016 — The cure for hair loss.
- [Doblet](https://lemstudio.co/yc-companies/doblet-667) — **Doblet** · YC Summer 2014 · B2B, Office Management · Inactive · team 2 · yc_id:667 — Doblet solves the phone battery problem.  We're building the first…
- [Docbot](https://lemstudio.co/yc-companies/docbot-12014) — **Docbot** · YC Winter 2019 · Healthcare, Healthcare IT · Acquired · yc_id:12014
- [Dock](https://lemstudio.co/yc-companies/dock-33248) — **Dock** · YC Summer 2026 · B2B · Active · team 2 · yc_id:33248 — Multiplayer workspace for agents and humans
- [Docker](https://lemstudio.co/yc-companies/docker-198) — **Docker** · YC Summer 2010 · B2B, Infrastructure · Active · team 201 · yc_id:198 — Software development platform.
- [Docket](https://lemstudio.co/yc-companies/docket-30562) — **Docket** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30562 — AI agents for web testing
- [Dockup](https://lemstudio.co/yc-companies/dockup-12266) — **Dockup** · YC Winter 2019 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:12266 — On demand ephemeral environments to run manual and automated tests.
- [Docsum](https://lemstudio.co/yc-companies/docsum-28854) — **Docsum** · YC Summer 2023 · B2B, Legal · Active · team 4 · yc_id:28854 — AI contract repository
- [Docucharm](https://lemstudio.co/yc-companies/docucharm-12015) — **Docucharm** · YC Winter 2019 · B2B, Operations · Inactive · team 2 · yc_id:12015 — Automate paperwork by turning documents into structured data.
- [Documents.Me](https://lemstudio.co/yc-companies/documents-me-55) — **Documents.Me** · YC Winter 2012 · B2B, Infrastructure · Inactive · yc_id:55 — Client-side encryption for your devices and the cloud.
- [Docura Health](https://lemstudio.co/yc-companies/docura-health-31090) — **Docura Health** · YC Winter 2026 · Healthcare · Active · team 3 · yc_id:31090 — AI-Native Med-Legal Firm
- [DocVita](https://lemstudio.co/yc-companies/docvita-12725) — **DocVita** · YC Winter 2020 · Healthcare, Consumer Health and Wellness · Active · team 14 · yc_id:12725 — Telehealth provider for India.
- [Dodo](https://lemstudio.co/yc-companies/dodo-29679) — **Dodo** · YC Summer 2024 · Healthcare, Healthcare IT · Active · team 6 · yc_id:29679 — AI agents that handle communications for clinics
- [Doe](https://lemstudio.co/yc-companies/doe-30684) — **Doe** · YC Summer 2025 · B2B · Active · team 4 · yc_id:30684 — The boring stuff, handled. Everything else, supercharged.
- [Dojah Inc](https://lemstudio.co/yc-companies/dojah-inc-25716) — **Dojah Inc** · YC Winter 2022 · B2B, Infrastructure · Active · team 30 · yc_id:25716 — Prevent Fraud and Onboard Users Faster
- [Dome](https://lemstudio.co/yc-companies/dome-31004) — **Dome** · YC Fall 2025 · B2B, Infrastructure · Inactive · team 2 · yc_id:31004 — A unified API for prediction markets, like Kalshi and Polymarket
- [Domu Technology Inc.](https://lemstudio.co/yc-companies/domu-technology-inc-29572) — **Domu Technology Inc.** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 50 · yc_id:29572 — AI Agents for collections
- [Donkey](https://lemstudio.co/yc-companies/donkey-32122) — **Donkey** · YC Summer 2026 · B2B, Supply Chain and Logistics · Active · team 5 · yc_id:32122 — The AI-native trading company: factory prices, delivered, one number
- [doola](https://lemstudio.co/yc-companies/doola-21903) — **doola** · YC Summer 2020 · B2B, Productivity · Active · team 43 · yc_id:21903 — Business-in-a-Box™ for LLCs
- [Doomersion](https://lemstudio.co/yc-companies/doomersion-31229) — **Doomersion** · YC Winter 2026 · Consumer · Active · team 4 · yc_id:31229 — Doomscroll to learn languages
- [DoorDash](https://lemstudio.co/yc-companies/doordash-531) — **DoorDash** · YC Summer 2013 · Consumer, Food and Beverage · Public · team 8600 · yc_id:531 — Restaurant delivery.
- [Doorport](https://lemstudio.co/yc-companies/doorport-12038) — **Doorport** · YC Winter 2019 · Real Estate and Construction, Housing and Real Estate · Acquired · team 3 · yc_id:12038 — Acquired by Alarm.com - We make existing apartment access smart.
- [Doppler](https://lemstudio.co/yc-companies/doppler-12070) — **Doppler** · YC Winter 2019 · B2B, Engineering, Product and Design · Active · team 25 · yc_id:12070 — Secure secrets. Prevent breaches. Keep teams moving.
- [Dorian Therapeutics](https://lemstudio.co/yc-companies/dorian-therapeutics-2027) — **Dorian Therapeutics** · YC Summer 2018 · Healthcare, Therapeutics · Acquired · team 8 · yc_id:2027 — New therapeutics to rejuvenate tissue and treat age-related diseases 
- [DoseDr](https://lemstudio.co/yc-companies/dosedr-1008) — **DoseDr** · YC Winter 2016 · Healthcare, Consumer Health and Wellness · Inactive · team 2 · yc_id:1008 — Helping diabetes patients use the correct amount of insulin,…
- [Dost Education](https://lemstudio.co/yc-companies/dost-education-1555) — **Dost Education** · YC Winter 2017 · Education · Active · team 30 · yc_id:1555 — Getting kids ready for school in India.
- [Dots 💸](https://lemstudio.co/yc-companies/dots-24557) — **Dots 💸** · YC Summer 2021 · Fintech, Payments · Active · team 10 · yc_id:24557 — Developer friendly drop in payouts infrastructure
- [Double](https://lemstudio.co/yc-companies/double-24132) — **Double** · YC Summer 2021 · B2B, Finance and Accounting · Active · team 80 · yc_id:24132 — We make software for bookkeepers.
- [Double – Coding Copilot](https://lemstudio.co/yc-companies/double-coding-copilot-27763) — **Double – Coding Copilot** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:27763 — AI coding copilot engineered for performance
- [Double Robotics](https://lemstudio.co/yc-companies/double-robotics-461) — **Double Robotics** · YC Summer 2012 · B2B, Productivity · Active · team 11 · yc_id:461 — Telepresence robots
- [Doublezero](https://lemstudio.co/yc-companies/doublezero-29575) — **Doublezero** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29575 — Platform to build, use, and monetize fully autonomous agents
- [Dover](https://lemstudio.co/yc-companies/dover-12129) — **Dover** · YC Summer 2019 · B2B, Recruiting and Talent · Active · team 12 · yc_id:12129 — Your startup's all-in-one recruiting solution
- [Downlink](https://lemstudio.co/yc-companies/downlink-29436) — **Downlink** · YC Winter 2024 · B2B, Infrastructure · Active · team 1 · yc_id:29436 — Make your LLMs 3x faster.
- [Downtobid](https://lemstudio.co/yc-companies/downtobid-12646) — **Downtobid** · YC Summer 2019 · Real Estate and Construction, Construction · Acquired · team 5 · yc_id:12646 — Using AI to understand construction plans faster.
- [Dr. Treat](https://lemstudio.co/yc-companies/dr-treat-26735) — **Dr. Treat** · YC Summer 2022 · Healthcare, Healthcare Services · Active · team 21 · yc_id:26735 — “One Medical for pets.”
- [Draft](https://lemstudio.co/yc-companies/draft-126) — **Draft** · YC Summer 2011 · B2B, Productivity · Inactive · team 1 · yc_id:126 — Making Draft. Super simple version control and collaboration for…
- [Draft The Record](https://lemstudio.co/yc-companies/draft-the-record-29828) — **Draft The Record** · YC Summer 2024 · B2B, Legal · Active · team 5 · yc_id:29828 — AI For Litigation
- [Draftaid](https://lemstudio.co/yc-companies/draftaid-29367) — **Draftaid** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 14 · yc_id:29367 — Go from 3D models to CAD drawings using AI
- [Draftbit](https://lemstudio.co/yc-companies/draftbit-1784) — **Draftbit** · YC Winter 2018 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:1784 — Build mobile apps visually. Source-code included. 
- [Drafted](https://lemstudio.co/yc-companies/drafted-31157) — **Drafted** · YC Spring 2026 · Consumer · Active · team 9 · yc_id:31157 — Design your home instantly with AI
- [Draftwise](https://lemstudio.co/yc-companies/draftwise-22131) — **Draftwise** · YC Summer 2020 · B2B, Legal · Active · team 50 · yc_id:22131 — Contract and negotiation AI built for lawyers
- [Dragoneye](https://lemstudio.co/yc-companies/dragoneye-29503) — **Dragoneye** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29503 — Custom video detection models in less than 5 minutes
- [Drahim 💰](https://lemstudio.co/yc-companies/drahim-27160) — **Drahim 💰** · YC Summer 2022 · Fintech · Active · team 8 · yc_id:27160 — WealthFront for Saudi & Middle East
- [Drama Drama](https://lemstudio.co/yc-companies/drama-drama-25279) — **Drama Drama** · YC Winter 2022 · Consumer, Content · Active · team 2 · yc_id:25279 — Monetization platform for AI characters and dramas
- [Drapr](https://lemstudio.co/yc-companies/drapr-22055) — **Drapr** · YC Summer 2020 · Consumer, Home and Personal · Acquired · team 7 · yc_id:22055 — Try on clothing online
- [DrChrono](https://lemstudio.co/yc-companies/drchrono-170) — **DrChrono** · YC Winter 2011 · Healthcare, Healthcare IT · Acquired · team 150 · yc_id:170 — The essential platform for modern medical practices and patients.
- [DrDroid](https://lemstudio.co/yc-companies/drdroid-27686) — **DrDroid** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:27686 — Your best friend in production.
- [Dreach](https://lemstudio.co/yc-companies/dreach-31414) — **Dreach** · YC Spring 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31414 — staffing firms with dreach grow revenue faster.
- [Dream](https://lemstudio.co/yc-companies/dream-31258) — **Dream** · YC Summer 2026 · B2B · Active · team 2 · yc_id:31258 — Using VLMs to Catch Damage
- [Dream3D](https://lemstudio.co/yc-companies/dream3d-27860) — **Dream3D** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:27860 — We build tools to help humanity predict the future.
- [DreamCraft Entertainment, Inc.](https://lemstudio.co/yc-companies/dreamcraft-entertainment-inc-1961) — **DreamCraft Entertainment, Inc.** · YC Summer 2018 · Consumer, Gaming · Active · team 23 · yc_id:1961 — Platform that allows anyone to create and monetize video games.
- [Dreamforge](https://lemstudio.co/yc-companies/dreamforge-427) — **Dreamforge** · YC Summer 2012 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:427 — Simple 3d modeling software for 3d printers.
- [DreamRP](https://lemstudio.co/yc-companies/dreamrp-29990) — **DreamRP** · YC Summer 2024 · Consumer · Active · team 2 · yc_id:29990 — Tech and platforms for human creators and the entertainment industry
- [Dreamscale Labs](https://lemstudio.co/yc-companies/dreamscale-labs-35850) — **Dreamscale Labs** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 4 · yc_id:35850 — Running robot brains in the cloud
- [DreamWorld](https://lemstudio.co/yc-companies/dreamworld-22656) — **DreamWorld** · YC Winter 2021 · Consumer, Gaming · Active · team 30 · yc_id:22656 — DreamWorld is a next-gen Minecraft with generative AI building
- [Dressd](https://lemstudio.co/yc-companies/dressd-23400) — **Dressd** · YC Winter 2021 · Consumer, Apparel and Cosmetics · Inactive · team 1 · yc_id:23400 — Make infinite $$$ off of clothes in your closet without selling them
- [Drillbit](https://lemstudio.co/yc-companies/drillbit-29746) — **Drillbit** · YC Summer 2024 · B2B, Operations · Active · team 12 · yc_id:29746 — Automating Office Work for Residential Contractors.
- [Drip](https://lemstudio.co/yc-companies/drip-27150) — **Drip** · YC Summer 2022 · Fintech, Payments · Inactive · team 15 · yc_id:27150 — Shop and pay in installments anywhere 
- [Drip Capital](https://lemstudio.co/yc-companies/drip-capital-913) — **Drip Capital** · YC Summer 2015 · Fintech · Active · team 280 · yc_id:913 — Digital trade finance and B2B commerce company
- [Dripos](https://lemstudio.co/yc-companies/dripos-21790) — **Dripos** · YC Summer 2020 · Fintech, Payments · Active · team 35 · yc_id:21790 — The only piece of software a coffee shop needs to operate.
- [Drive Pulse](https://lemstudio.co/yc-companies/drive-pulse-593) — **Drive Pulse** · YC Winter 2014 · Consumer, Consumer Electronics · Inactive · team 2 · yc_id:593 — Device tracks & monitors your car
- [Driver](https://lemstudio.co/yc-companies/driver-29179) — **Driver** · YC Winter 2024 · B2B · Active · team 15 · yc_id:29179 — Context for Codebases
- [Drivezy](https://lemstudio.co/yc-companies/drivezy-1267) — **Drivezy** · YC Summer 2016 · Consumer, Travel, Leisure and Tourism · Inactive · team 201 · yc_id:1267 — India's largest vehicle sharing platform, turning people's vehicles…
- [Drivingforce](https://lemstudio.co/yc-companies/drivingforce-25576) — **Drivingforce** · YC Winter 2022 · B2B, Supply Chain and Logistics · Inactive · team 2 · yc_id:25576 — Rippling for trucking
- [Dropback](https://lemstudio.co/yc-companies/dropback-29518) — **Dropback** · YC Winter 2024 · Fintech · Active · team 2 · yc_id:29518 — The front office software suite for college sports
- [Dropbase](https://lemstudio.co/yc-companies/dropbase-13273) — **Dropbase** · YC Winter 2020 · B2B, Operations · Inactive · team 8 · yc_id:13273 — AI app builder for internal tools. Build back-office software faster…
- [Dropbox](https://lemstudio.co/yc-companies/dropbox-325) — **Dropbox** · YC Summer 2007 · B2B, Productivity · Public · team 4000 · yc_id:325 — Backup and share files in the cloud.
- [Dropleaf](https://lemstudio.co/yc-companies/dropleaf-1605) — **Dropleaf** · YC Summer 2017 · Consumer, Gaming · Inactive · team 2 · yc_id:1605 — Subscription service for all you can play indie PC games. 
- [Dropprint Genomics](https://lemstudio.co/yc-companies/dropprint-genomics-13219) — **Dropprint Genomics** · YC Winter 2020 · Healthcare, Drug Discovery and Delivery · Acquired · team 2 · yc_id:13219 — The better way to run single cell genomics
- [DryMerge](https://lemstudio.co/yc-companies/drymerge-29184) — **DryMerge** · YC Winter 2024 · B2B · Active · team 4 · yc_id:29184 — AI that updates your CRM for you
- [Dubjoy](https://lemstudio.co/yc-companies/dubjoy-94) — **Dubjoy** · YC Summer 2011 · B2B, Marketing · Inactive · team 2 · yc_id:94 — Dubjoy translates and voice-overs your video to any language
- [Duckie](https://lemstudio.co/yc-companies/duckie-29238) — **Duckie** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:29238 — Build AI Support Agents in Minutes
- [Duckly](https://lemstudio.co/yc-companies/duckly-21848) — **Duckly** · YC Summer 2020 · B2B, Engineering, Product and Design · Inactive · team 5 · yc_id:21848 — Video chat with real-time collaboration.
- [Duffel](https://lemstudio.co/yc-companies/duffel-1953) — **Duffel** · YC Summer 2018 · Consumer, Travel, Leisure and Tourism · Active · team 55 · yc_id:1953 — The complete toolkit to sell travel.
- [Duffl](https://lemstudio.co/yc-companies/duffl-13204) — **Duffl** · YC Winter 2020 · Consumer, Food and Beverage · Inactive · team 12 · yc_id:13204 — 10-minute delivery service for college students.
- [Duplo](https://lemstudio.co/yc-companies/duplo-25814) — **Duplo** · YC Winter 2022 · Fintech · Active · team 13 · yc_id:25814 — Venmo for B2B in Africa
- [Duranium](https://lemstudio.co/yc-companies/duranium-30781) — **Duranium** · YC Summer 2025 · Industrials, Manufacturing and Robotics · Active · team 12 · yc_id:30781 — Reshoring critical metal production
- [Durate](https://lemstudio.co/yc-companies/durate-30027) — **Durate** · YC Fall 2024 · Healthcare, Healthcare IT · Active · team 2 · yc_id:30027 — Automated physician scheduling
- [Durioo](https://lemstudio.co/yc-companies/durioo-25746) — **Durioo** · YC Winter 2022 · Consumer, Content · Active · team 50 · yc_id:25746 — Streaming Platform for Muslim Children
- [Dydema](https://lemstudio.co/yc-companies/dydema-35392) — **Dydema** · YC Fall 2026 · B2B · Active · team 2 · yc_id:35392 — The model company for neurotech.
- [Dynamo AI](https://lemstudio.co/yc-companies/dynamo-ai-25398) — **Dynamo AI** · YC Winter 2022 · B2B · Active · team 40 · yc_id:25398 — Compliant-Ready AI for the Enterprise
- [Dyneti Technologies](https://lemstudio.co/yc-companies/dyneti-technologies-11962) — **Dyneti Technologies** · YC Winter 2019 · B2B, Security · Active · team 3 · yc_id:11962 — Reduce payment fraud
- [Dyspatch](https://lemstudio.co/yc-companies/dyspatch-643) — **Dyspatch** · YC Winter 2014 · B2B, Marketing · Active · team 20 · yc_id:643 — AI Email Production - Emails on brand, guaranteed to work, fast.
- [Dyte](https://lemstudio.co/yc-companies/dyte-23038) — **Dyte** · YC Winter 2021 · B2B, Infrastructure · Acquired · team 45 · yc_id:23038 — Real-time audio & video SDKs, ready to launch 🚀
- [E1O](https://lemstudio.co/yc-companies/e1o-31454) — **E1O** · YC Spring 2026 · Consumer, Consumer Electronics · Active · team 1 · yc_id:31454 — Camera-free AI glasses. Your AI, out in the world.
- [Earbits](https://lemstudio.co/yc-companies/earbits-142) — **Earbits** · YC Winter 2011 · B2B, Marketing · Acquired · team 15 · yc_id:142 — Google AdWords for music.  Allowing bands and labels to bid for…
- [Earendil Robotics](https://lemstudio.co/yc-companies/earendil-robotics-33281) — **Earendil Robotics** · YC Summer 2026 · Industrials, Defense · Active · team 7 · yc_id:33281 — Drone swarm defence at a small-unit level
- [EARTH AI](https://lemstudio.co/yc-companies/earth-ai-12677) — **EARTH AI** · YC Summer 2019 · Industrials, Climate · Active · team 12 · yc_id:12677 — Predictive Explorer and Driller for Critical Metal Deposits
- [Easel](https://lemstudio.co/yc-companies/easel-423) — **Easel** · YC Summer 2012 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:423 — Easel is a visual design tool built for the web. Since the web is…
- [Easol](https://lemstudio.co/yc-companies/easol-1946) — **Easol** · YC Summer 2018 · B2B · Active · team 70 · yc_id:1946 — Shopify for experiences 
- [Easyplan](https://lemstudio.co/yc-companies/easyplan-13412) — **Easyplan** · YC Winter 2020 · Fintech, Asset Management · Inactive · team 8 · yc_id:13412 — An AI-driven investment app for beginner investors in India
- [EasyPost](https://lemstudio.co/yc-companies/easypost-532) — **EasyPost** · YC Summer 2013 · B2B, Supply Chain and Logistics · Active · team 51 · yc_id:532 — The shipping infrastructure of the internet.
- [Eat Blueprint](https://lemstudio.co/yc-companies/eat-blueprint-23264) — **Eat Blueprint** · YC Winter 2021 · Consumer, Food and Beverage · Inactive · team 2 · yc_id:23264 — Longevity Nutrition Service
- [Eazipay Inc.](https://lemstudio.co/yc-companies/eazipay-inc-25670) — **Eazipay Inc.** · YC Winter 2022 · Fintech, Payments · Active · team 27 · yc_id:25670 — Eazipay powers effortless payroll and financial access in Africa.
- [eBrandvalue](https://lemstudio.co/yc-companies/ebrandvalue-808) — **eBrandvalue** · YC Winter 2015 · B2B, Marketing · Active · team 10 · yc_id:808 — Real-time Nielsen ratings for Brands.Accelerate marketing and product…
- [Echo](https://lemstudio.co/yc-companies/echo-27967) — **Echo** · YC Winter 2023 · B2B · Inactive · team 3 · yc_id:27967 — Founder-led sales co-pilot for B2B startups.
- [Echo Locker](https://lemstudio.co/yc-companies/echo-locker-570) — **Echo Locker** · YC Summer 2013 · Consumer, Home and Personal · Acquired · team 2 · yc_id:570 — Android lock screen
- [Echodio](https://lemstudio.co/yc-companies/echodio-274) — **Echodio** · YC Winter 2009 · Consumer, Content · Acquired · team 2 · yc_id:274 — Sync and stream your music across any device. Acquired in 2009. 
- [Echoes HQ](https://lemstudio.co/yc-companies/echoes-hq-24091) — **Echoes HQ** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:24091 — Measure and communicate engineering activity
- [Eclipse Foods](https://lemstudio.co/yc-companies/eclipse-foods-12358) — **Eclipse Foods** · YC Winter 2019 · Consumer, Food and Beverage · Active · yc_id:12358 — Eclipse Foods is building the future of dairy using micelles, the…
- [Ecliptor](https://lemstudio.co/yc-companies/ecliptor-29299) — **Ecliptor** · YC Winter 2024 · B2B, Sales · Active · team 2 · yc_id:29299 — AI and Embeddings. 
- [Eden](https://lemstudio.co/yc-companies/eden-893) — **Eden** · YC Summer 2015 · B2B, Human Resources · Acquired · team 45 · yc_id:893 — Workplace software for people-centric companies. 
- [Eden](https://lemstudio.co/yc-companies/eden-2003) — **Eden** · YC Summer 2018 · Healthcare, Diagnostics · Active · team 100 · yc_id:2003 — Building Clinical Superintelligence.
- [Eden Care](https://lemstudio.co/yc-companies/eden-care-29086) — **Eden Care** · YC Summer 2023 · Fintech, Insurance · Active · team 28 · yc_id:29086 — Claims infrastructure for African health insurance
- [Eden Farm](https://lemstudio.co/yc-companies/eden-farm-12830) — **Eden Farm** · YC Summer 2019 · B2B, Supply Chain and Logistics · Active · team 110 · yc_id:12830 — Delivering fruits and vegetables to multi-segment restaurants and…
- [Eden Robotics](https://lemstudio.co/yc-companies/eden-robotics-31489) — **Eden Robotics** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 4 · yc_id:31489 — Autonomous services for humanity.
- [Edexia](https://lemstudio.co/yc-companies/edexia-30165) — **Edexia** · YC Winter 2025 · Education · Active · team 4 · yc_id:30165 — AI Teacher Assistant for Grading Essays
- [Edge](https://lemstudio.co/yc-companies/edge-28128) — **Edge** · YC Winter 2023 · B2B, Legal · Active · team 2 · yc_id:28128 — The ultimate IP assistant.
- [EdgeBit](https://lemstudio.co/yc-companies/edgebit-27809) — **EdgeBit** · YC Winter 2023 · B2B, Security · Acquired · team 5 · yc_id:27809 — Autofix your software dependencies
- [Edgerun](https://lemstudio.co/yc-companies/edgerun-31582) — **Edgerun** · YC Summer 2026 · Industrials, Defense · Active · team 5 · yc_id:31582 — Military exoskeletons
- [EdgeTrace](https://lemstudio.co/yc-companies/edgetrace-29396) — **EdgeTrace** · YC Winter 2024 · B2B · Active · team 2 · yc_id:29396 — Describe It. Find It. Act On It.
- [Edlyft](https://lemstudio.co/yc-companies/edlyft-13164) — **Edlyft** · YC Winter 2020 · B2B, Productivity · Inactive · team 5 · yc_id:13164 — Helps enterprises train college CS students on essential job skills
- [EdotEnv](https://lemstudio.co/yc-companies/edotenv-32484) — **EdotEnv** · YC Summer 2026 · B2B · Active · team 2 · yc_id:32484 — Quant Neolab building self-improving agents from quant data
- [Educato](https://lemstudio.co/yc-companies/educato-29605) — **Educato** · YC Summer 2024 · Education · Active · team 5 · yc_id:29605 — Worldwide exam-prep platform
- [Eduflow](https://lemstudio.co/yc-companies/eduflow-1674) — **Eduflow** · YC Summer 2017 · Education · Acquired · team 12 · yc_id:1674 — Create and run collaborative online learning experiences.
- [EduRev](https://lemstudio.co/yc-companies/edurev-13389) — **EduRev** · YC Winter 2020 · Education · Active · team 24 · yc_id:13389 — Learning App for 400M Indian Students like a Netflix for Education
- [Edviro](https://lemstudio.co/yc-companies/edviro-33805) — **Edviro** · YC Summer 2026 · B2B, Infrastructure · Active · team 2 · yc_id:33805 — AI That Operates Energy Infrastructure
- [Edwin](https://lemstudio.co/yc-companies/edwin-1807) — **Edwin** · YC Winter 2018 · Education · Acquired · team 14 · yc_id:1807 — Edwin is virtual English tutor - an AI-powered service for learning…
- [Edyn](https://lemstudio.co/yc-companies/edyn-624) — **Edyn** · YC Winter 2014 · Industrials, Agriculture · Inactive · team 2 · yc_id:624 — Nest for lawn and garden
- [Edyst](https://lemstudio.co/yc-companies/edyst-12245) — **Edyst** · YC Winter 2019 · Education · Active · team 11 · yc_id:12245 — Edyst is a peer-to-peer online learning platform where students learn…
- [Efference](https://lemstudio.co/yc-companies/efference-30821) — **Efference** · YC Fall 2025 · Industrials, Manufacturing and Robotics · Active · team 12 · yc_id:30821
- [EffiGov](https://lemstudio.co/yc-companies/effigov-30636) — **EffiGov** · YC Summer 2025 · Government · Active · team 3 · yc_id:30636 — The AI OS for Cities
- [Eggnog](https://lemstudio.co/yc-companies/eggnog-29297) — **Eggnog** · YC Winter 2024 · Consumer · Active · team 1 · yc_id:29297 — Fun with AI video
- [ego](https://lemstudio.co/yc-companies/ego-29205) — **ego** · YC Winter 2024 · Consumer · Active · team 9 · yc_id:29205 — AI applied research lab building synthetic sapience; human-like AI
- [Egoist Machines](https://lemstudio.co/yc-companies/egoist-machines-32129) — **Egoist Machines** · YC Summer 2026 · Consumer · Active · team 2 · yc_id:32129 — Your personal context, securely portable across every AI app.
- [Egress Health](https://lemstudio.co/yc-companies/egress-health-28922) — **Egress Health** · YC Winter 2025 · Healthcare · Acquired · team 2 · yc_id:28922 — Automated revenue cycle management, starting with dentists
- [EigenPal](https://lemstudio.co/yc-companies/eigenpal-31149) — **EigenPal** · YC Winter 2026 · B2B, Operations · Active · yc_id:31149 — AI Document Workflows for Enterprises
- [Eight Sleep](https://lemstudio.co/yc-companies/eight-sleep-964) — **Eight Sleep** · YC Summer 2015 · Consumer, Home and Personal · Active · team 100 · yc_id:964 — The sleep fitness company.
- [Eivod](https://lemstudio.co/yc-companies/eivod-341) — **Eivod** · YC Summer 2007 · B2B, Engineering, Product and Design · Inactive · team 51 · yc_id:341
- [Ekho](https://lemstudio.co/yc-companies/ekho-27054) — **Ekho** · YC Summer 2022 · B2B, Supply Chain and Logistics · Active · team 30 · yc_id:27054 — Shopify for vehicles
- [Ekho Labs](https://lemstudio.co/yc-companies/ekho-labs-32753) — **Ekho Labs** · YC Summer 2026 · B2B, Supply Chain and Logistics · Active · yc_id:32753 — World Model for Freight
- [Ekpa](https://lemstudio.co/yc-companies/ekpa-31234) — **Ekpa** · YC Summer 2026 · Fintech, Asset Management · Active · team 2 · yc_id:31234 — Building Autonomous Research Agents for Trading
- [Elayne](https://lemstudio.co/yc-companies/elayne-29841) — **Elayne** · YC Summer 2024 · Fintech · Active · team 8 · yc_id:29841 — Estate settlement, from verified discovery to distribution
- [Electric Air](https://lemstudio.co/yc-companies/electric-air-28822) — **Electric Air** · YC Summer 2023 · Real Estate and Construction, Construction · Active · team 18 · yc_id:28822 — Tech-enabled heat pump contractor that cuts costs by 60%
- [ElectroNeek](https://lemstudio.co/yc-companies/electroneek-13483) — **ElectroNeek** · YC Winter 2020 · B2B · Active · team 175 · yc_id:13483 — Robotic Process Automation and Document Processing Platform
- [Elemeno Health](https://lemstudio.co/yc-companies/elemeno-health-1344) — **Elemeno Health** · YC Summer 2016 · Healthcare, Healthcare IT · Active · team 25 · yc_id:1344 — Just-in-time training and communication for frontline healthcare teams
- [Elementary](https://lemstudio.co/yc-companies/elementary-25542) — **Elementary** · YC Winter 2022 · B2B, Analytics · Active · team 12 · yc_id:25542 — Open-source data observability for data teams
- [Elessar](https://lemstudio.co/yc-companies/elessar-26668) — **Elessar** · YC Summer 2022 · B2B, Productivity · Active · team 2 · yc_id:26668 — AI-powered engineering productivity tools
- [Elevate](https://lemstudio.co/yc-companies/elevate-29676) — **Elevate** · YC Summer 2024 · B2B · Active · team 3 · yc_id:29676 — Automated AI data integrations for roll-ups
- [Elevate (formerly Bloom)](https://lemstudio.co/yc-companies/elevate-formerly-bloom-25120) — **Elevate (formerly Bloom)** · YC Winter 2022 · Fintech, Payments · Active · team 7 · yc_id:25120 — US based USD accounts for non-US residents 
- [Eligible](https://lemstudio.co/yc-companies/eligible-417) — **Eligible** · YC Summer 2012 · Healthcare, Healthcare IT · Active · yc_id:417 — Insurance Billing APIs for Healthcare Businesses 
- [Elimentary](https://lemstudio.co/yc-companies/elimentary-35291) — **Elimentary** · YC Fall 2026 · Fintech, Asset Management · Active · team 5 · yc_id:35291 — Agents that run middle/back-office operations for Private Capital
- [Elip AI](https://lemstudio.co/yc-companies/elip-ai-30226) — **Elip AI** · YC Winter 2025 · B2B · Active · team 4 · yc_id:30226 — Cooking something sweet and salty! 
- [Elite](https://lemstudio.co/yc-companies/elite-32523) — **Elite** · YC Summer 2026 · Healthcare, Healthcare IT · Active · team 2 · yc_id:32523 — Healthcare AI
- [Ellipsis](https://lemstudio.co/yc-companies/ellipsis-29365) — **Ellipsis** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29365 — Cloud platform for coding agents
- [Ello](https://lemstudio.co/yc-companies/ello-13224) — **Ello** · YC Winter 2020 · Education · Active · team 45 · yc_id:13224 — Building the world's first 1:1 AI teacher.
- [Elodin](https://lemstudio.co/yc-companies/elodin-29381) — **Elodin** · YC Winter 2024 · Industrials, Aviation and Space · Active · team 5 · yc_id:29381 — Unified flight software and hardware for the mission of tomorrow
- [Eloquent AI](https://lemstudio.co/yc-companies/eloquent-ai-30513) — **Eloquent AI** · YC Spring 2025 · B2B · Active · team 5 · yc_id:30513 — The AI Operator for Financial Services
- [Elph](https://lemstudio.co/yc-companies/elph-12031) — **Elph** · YC Winter 2019 · B2B, Engineering, Product and Design · Acquired · team 5 · yc_id:12031 — Acquired by Brex. Building digital payments infrastructure.
- [Elpha](https://lemstudio.co/yc-companies/elpha-1880) — **Elpha** · YC Summer 2019 · Consumer, Job and Career Services · Inactive · team 6 · yc_id:1880 — Professional network for women
- [Elphinstone, Inc.](https://lemstudio.co/yc-companies/elphinstone-inc-25711) — **Elphinstone, Inc.** · YC Winter 2022 · Fintech, Asset Management · Active · team 15 · yc_id:25711 — Robo-advisory platform for Pakistan
- [Elucd](https://lemstudio.co/yc-companies/elucd-1578) — **Elucd** · YC Summer 2017 · Government · Acquired · team 8 · yc_id:1578 — Polling through mobile ads to enable governments to make better…
- [Elucify](https://lemstudio.co/yc-companies/elucify-1060) — **Elucify** · YC Winter 2016 · B2B, Sales · Inactive · team 11 · yc_id:1060 — Elucify is an API that plugs into your CRM which automatically cleans…
- [Elyos AI](https://lemstudio.co/yc-companies/elyos-ai-28784) — **Elyos AI** · YC Summer 2023 · B2B, Operations · Active · team 20 · yc_id:28784 — AI Customer Service Agents for trades and field services
- [Elyra](https://lemstudio.co/yc-companies/elyra-31388) — **Elyra** · YC Spring 2026 · B2B · Active · team 5 · yc_id:31388 — AI Reservation System for Restaurants 
- [Elythea](https://lemstudio.co/yc-companies/elythea-29046) — **Elythea** · YC Summer 2023 · Healthcare · Active · team 2 · yc_id:29046 — ML to predict and prevent pregnancy complications 
- [Emailio](https://lemstudio.co/yc-companies/emailio-602) — **Emailio** · YC Winter 2014 · B2B, Productivity · Active · team 5 · yc_id:602 — Email built for wellness
- [Embark](https://lemstudio.co/yc-companies/embark-104) — **Embark** · YC Summer 2011 · Consumer, Transportation Services · Acquired · team 2 · yc_id:104 — Public transit apps. Acquired by Apple in 2013.
- [Embark Trucks](https://lemstudio.co/yc-companies/embark-trucks-982) — **Embark Trucks** · YC Winter 2016 · Industrials, Automotive · Public · team 300 · yc_id:982 — Self-driving semi trucks.
- [Embeddables](https://lemstudio.co/yc-companies/embeddables-1938) — **Embeddables** · YC Summer 2018 · B2B, Productivity · Active · team 23 · yc_id:1938 — The funnel builder built for health & wellness brands.
- [Embedded Labs](https://lemstudio.co/yc-companies/embedded-labs-25511) — **Embedded Labs** · YC Winter 2022 · B2B · Active · team 5 · yc_id:25511 — Enteprise AI
- [Embedder](https://lemstudio.co/yc-companies/embedder-30691) — **Embedder** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:30691 — The Enterprise AI Platform for Embedded Software
- [Embedly](https://lemstudio.co/yc-companies/embedly-218) — **Embedly** · YC Winter 2010 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:218
- [Ember](https://lemstudio.co/yc-companies/ember-30118) — **Ember** · YC Fall 2024 · Healthcare · Active · team 25 · yc_id:30118 — AI RCM. Increase net revenue by 16%. 
- [Ember Robotics](https://lemstudio.co/yc-companies/ember-robotics-29768) — **Ember Robotics** · YC Summer 2024 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:29768 — Datadog for robots
- [Embrace](https://lemstudio.co/yc-companies/embrace-12618) — **Embrace** · YC Summer 2019 · B2B, Engineering, Product and Design · Acquired · team 62 · yc_id:12618 — Modern user-focused observability built on OpenTelemetry
- [Emburse](https://lemstudio.co/yc-companies/emburse-1050) — **Emburse** · YC Winter 2016 · Fintech, Banking and Exchange · Acquired · yc_id:1050 — Expense management and AP automation.
- [Emdash](https://lemstudio.co/yc-companies/emdash-31199) — **Emdash** · YC Winter 2026 · B2B, Productivity · Active · team 2 · yc_id:31199 — Open-source Agentic Development Environment
- [Emerge Career](https://lemstudio.co/yc-companies/emerge-career-25059) — **Emerge Career** · YC Summer 2022 · Education · Active · team 8 · yc_id:25059 — All-in-one re-entry & workforce development training platform
- [Emerge Tools](https://lemstudio.co/yc-companies/emerge-tools-22831) — **Emerge Tools** · YC Winter 2021 · B2B, Engineering, Product and Design · Acquired · team 9 · yc_id:22831 — Supercharge your mobile apps
- [Emergent](https://lemstudio.co/yc-companies/emergent-29765) — **Emergent** · YC Summer 2024 · Consumer · Active · yc_id:29765 — AI app builder that turns your ideas into monetizable software.
- [Emi Labs](https://lemstudio.co/yc-companies/emi-labs-12251) — **Emi Labs** · YC Winter 2019 · B2B, Recruiting and Talent · Active · team 50 · yc_id:12251 — Helping great teams hire better frontline workers, faster.
- [Emigre](https://lemstudio.co/yc-companies/emigre-25516) — **Emigre** · YC Winter 2022 · Fintech, Banking and Exchange · Inactive · team 2 · yc_id:25516 — Banking in India for Indian expats (NRIs)
- [Emobi](https://lemstudio.co/yc-companies/emobi-25590) — **Emobi** · YC Winter 2022 · B2B · Active · team 9 · yc_id:25590 — A single point integration for secure and automated EV charging.
- [Emote](https://lemstudio.co/yc-companies/emote-1280) — **Emote** · YC Summer 2016 · Consumer, Virtual and Augmented Reality · Active · team 6 · yc_id:1280 — Catch student behavior problems before they start.
- [Empirical Health](https://lemstudio.co/yc-companies/empirical-health-28936) — **Empirical Health** · YC Summer 2023 · Healthcare, Consumer Health and Wellness · Active · team 4 · yc_id:28936 — Don't die of heart disease. Empirical is the first AI-native heart…
- [Enable Us](https://lemstudio.co/yc-companies/enable-us-23037) — **Enable Us** · YC Winter 2021 · B2B, Sales · Acquired · team 14 · yc_id:23037 — Digital Sales Rooms (Acquired by MindTickle)
- [Enact](https://lemstudio.co/yc-companies/enact-32156) — **Enact** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:32156 — Real-world RL environments for robotics models
- [Encepheal Therapeutics](https://lemstudio.co/yc-companies/encepheal-therapeutics-12579) — **Encepheal Therapeutics** · YC Summer 2019 · Healthcare, Therapeutics · Inactive · team 3 · yc_id:12579 — EncepHeal develops medications to treat substance abuse, starting…
- [Encord](https://lemstudio.co/yc-companies/encord-22744) — **Encord** · YC Winter 2021 · B2B, Infrastructure · Active · team 150 · yc_id:22744 — The data layer for physical AI
- [Encuadrado](https://lemstudio.co/yc-companies/encuadrado-24414) — **Encuadrado** · YC Summer 2021 · B2B, Productivity · Active · team 3 · yc_id:24414 — Payments and scheduling for services professionals in LATAM
- [End Close](https://lemstudio.co/yc-companies/end-close-31186) — **End Close** · YC Winter 2026 · B2B, Finance and Accounting · Active · team 2 · yc_id:31186 — AI powered reconciliation for high-volume payments companies
- [Endla](https://lemstudio.co/yc-companies/endla-24499) — **Endla** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:24499 — Software that increases the value of oil & gas wells
- [Endpoint Health](https://lemstudio.co/yc-companies/endpoint-health-12210) — **Endpoint Health** · YC Winter 2019 · Healthcare, Therapeutics · Inactive · team 23 · yc_id:12210 — Precision-first therapies
- [Endstack](https://lemstudio.co/yc-companies/endstack-30047) — **Endstack** · YC Fall 2024 · B2B · Active · team 2 · yc_id:30047 — The complete, collaborative workspace for humans and agents
- [Energent AI](https://lemstudio.co/yc-companies/energent-ai-28981) — **Energent AI** · YC Summer 2023 · B2B · Active · team 10 · yc_id:28981 — AI that audits AI — catching hallucinations before you ship them.
- [Enerjazz](https://lemstudio.co/yc-companies/enerjazz-24258) — **Enerjazz** · YC Summer 2021 · Industrials, Climate · Active · team 9 · yc_id:24258 — Making electric vehicle batteries affordable 
- [Enflux](https://lemstudio.co/yc-companies/enflux-1024) — **Enflux** · YC Winter 2016 · Healthcare, Consumer Health and Wellness · Inactive · team 2 · yc_id:1024 — Motion capture clothing for injury prevention
- [Engage Bio](https://lemstudio.co/yc-companies/engage-bio-25331) — **Engage Bio** · YC Winter 2022 · Healthcare, Therapeutics · Acquired · team 10 · yc_id:25331 — Potent, durable, and redosable non-viral genetic medicines
- [Engines](https://lemstudio.co/yc-companies/engines-29311) — **Engines** · YC Winter 2024 · B2B, Infrastructure · Inactive · team 2 · yc_id:29311 — Setup any repo with one command
- [Enhanced Radar](https://lemstudio.co/yc-companies/enhanced-radar-30172) — **Enhanced Radar** · YC Winter 2025 · Industrials, Aviation and Space · Active · team 2 · yc_id:30172 — AI for air traffic control
- [Enjamb Labs](https://lemstudio.co/yc-companies/enjamb-labs-31549) — **Enjamb Labs** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31549 — The AI Workforce for Biopharma
- [Enlightra](https://lemstudio.co/yc-companies/enlightra-25673) — **Enlightra** · YC Winter 2022 · Industrials · Active · team 22 · yc_id:25673 — Multicolor lasers for ultrafast data transmission
- [Enode](https://lemstudio.co/yc-companies/enode-22953) — **Enode** · YC Winter 2021 · Industrials, Energy · Active · team 70 · yc_id:22953 — Energy Orchestration Platform
- [Enso](https://lemstudio.co/yc-companies/enso-24270) — **Enso** · YC Summer 2021 · B2B, Analytics · Active · team 20 · yc_id:24270 — Self-Service Data Prep and Blend Built for Data Teams.
- [Entangl](https://lemstudio.co/yc-companies/entangl-29623) — **Entangl** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 15 · yc_id:29623 — Find & resolve issues in data center engineering & operations using AI
- [Entelexo Biotherapeutics](https://lemstudio.co/yc-companies/entelexo-biotherapeutics-23263) — **Entelexo Biotherapeutics** · YC Winter 2021 · Healthcare, Therapeutics · Active · team 3 · yc_id:23263 — Creating a New Class of Drugs to Address Incurable Autoimmune Diseases
- [Entocycle](https://lemstudio.co/yc-companies/entocycle-1643) — **Entocycle** · YC Summer 2017 · Industrials, Agriculture · Active · team 13 · yc_id:1643 — Automated factory to produce insect protein for farm animals. 
- [Entropy](https://lemstudio.co/yc-companies/entropy-29818) — **Entropy** · YC Summer 2024 · Healthcare · Active · team 2 · yc_id:29818 — Autonomous intake and RCM for specialty clinics. 
- [Entry](https://lemstudio.co/yc-companies/entry-1483) — **Entry** · YC Winter 2017 · B2B, Productivity · Inactive · team 7 · yc_id:1483 — Biometric sign in and identity verification platform
- [Entvin](https://lemstudio.co/yc-companies/entvin-27165) — **Entvin** · YC Summer 2022 · Healthcare, Healthcare IT · Active · team 5 · yc_id:27165
- [Envariant](https://lemstudio.co/yc-companies/envariant-31111) — **Envariant** · YC Winter 2026 · B2B · Active · team 1 · yc_id:31111 — Interpretability and reasoning infra for foundation models.
- [Enveloop](https://lemstudio.co/yc-companies/enveloop-13096) — **Enveloop** · YC Winter 2020 · B2B, Engineering, Product and Design · Inactive · team 5 · yc_id:13096 — Design and send messages from your app with a simple API.
- [Envelope](https://lemstudio.co/yc-companies/envelope-29002) — **Envelope** · YC Summer 2023 · Fintech, Consumer Finance · Active · team 3 · yc_id:29002 — Budgeting app with built-in banking
- [Enveritas](https://lemstudio.co/yc-companies/enveritas-2024) — **Enveritas** · YC Summer 2018 · Industrials, Agriculture · Active · team 60 · yc_id:2024 — We verify global supply chains for issues like child slavery and…
- [EnvKey](https://lemstudio.co/yc-companies/envkey-1786) — **EnvKey** · YC Winter 2018 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:1786 — End-to-end encrypted configuration and secrets management
- [Envyl](https://lemstudio.co/yc-companies/envyl-1061) — **Envyl** · YC Winter 2016 · Consumer, Home and Personal · Inactive · team 2 · yc_id:1061 — Envyl enables a fast, reliable and cost effective peer to peer…
- [Enzyme](https://lemstudio.co/yc-companies/enzyme-1620) — **Enzyme** · YC Summer 2017 · Healthcare, Healthcare IT · Acquired · team 32 · yc_id:1620 — Automating regulatory approval & compliance for life science companies
- [Eos AI](https://lemstudio.co/yc-companies/eos-ai-31058) — **Eos AI** · YC Winter 2026 · Healthcare · Active · team 2 · yc_id:31058 — Autonomous OS for healthcare
- [EPIC AEROSPACE](https://lemstudio.co/yc-companies/epic-aerospace-12877) — **EPIC AEROSPACE** · YC Summer 2019 · Industrials, Aviation and Space · Active · team 14 · yc_id:12877 — Last-mile delivery for satellites.
- [Epicenter](https://lemstudio.co/yc-companies/epicenter-30694) — **Epicenter** · YC Summer 2025 · Consumer · Active · team 1 · yc_id:30694 — ChatGPT's memory feature in an open, portable format
- [Epinoma](https://lemstudio.co/yc-companies/epinoma-24138) — **Epinoma** · YC Summer 2021 · Healthcare · Active · team 8 · yc_id:24138 — We engineer proteins that control the operating system of biology. 
- [Epsilla](https://lemstudio.co/yc-companies/epsilla-28900) — **Epsilla** · YC Summer 2023 · B2B, Infrastructure · Active · team 3 · yc_id:28900 — All-in-one platform to create AI agents with your private knowledge
- [Epsilon](https://lemstudio.co/yc-companies/epsilon-28071) — **Epsilon** · YC Winter 2023 · Education · Active · team 2 · yc_id:28071 — AI Search Engine for Academic Research
- [Epsilon3](https://lemstudio.co/yc-companies/epsilon3-23817) — **Epsilon3** · YC Summer 2021 · B2B, Operations · Active · team 12 · yc_id:23817 — AI-Powered ERP, MES, and Test Software for Complex Operations
- [eqtble](https://lemstudio.co/yc-companies/eqtble-23640) — **eqtble** · YC Winter 2021 · B2B, Human Resources · Acquired · team 5 · yc_id:23640 — Turning HR data into actionable insights
- [Equator Therapeutics](https://lemstudio.co/yc-companies/equator-therapeutics-13601) — **Equator Therapeutics** · YC Winter 2020 · Healthcare, Therapeutics · Active · team 2 · yc_id:13601 — We are developing a drug to burn calories and increase metabolism…
- [EquipmentShare](https://lemstudio.co/yc-companies/equipmentshare-809) — **EquipmentShare** · YC Winter 2015 · Real Estate and Construction, Construction · Public · team 5400 · yc_id:809 — Cloud solutions for the construction industry.
- [Equipt Health](https://lemstudio.co/yc-companies/equipt-health-24875) — **Equipt Health** · YC Summer 2021 · Healthcare · Active · yc_id:24875 — Home medical equipment, prescribed online and delivered.
- [erad](https://lemstudio.co/yc-companies/erad-26716) — **erad** · YC Summer 2022 · Fintech · Active · team 5 · yc_id:26716 — Non-dilutive funding and payments in the Middle East
- [Ergo](https://lemstudio.co/yc-companies/ergo-30339) — **Ergo** · YC Winter 2025 · B2B, Sales · Active · yc_id:30339 — AI agents and unified data layer for revenue teams
- [Erinys](https://lemstudio.co/yc-companies/erinys-32124) — **Erinys** · YC Summer 2026 · B2B, Legal · Active · team 3 · yc_id:32124 — We help lawyers start and scale AI-native law firms.
- [Eris Biotech](https://lemstudio.co/yc-companies/eris-biotech-29470) — **Eris Biotech** · YC Winter 2024 · Healthcare, Therapeutics · Active · team 2 · yc_id:29470 — Our drugs engage the immune system to fight tumors
- [ErudiFi](https://lemstudio.co/yc-companies/erudifi-1868) — **ErudiFi** · YC Winter 2018 · Fintech, Credit and Lending · Active · team 88 · yc_id:1868 — Digital financial services for students in Southeast Asia
- [Escape](https://lemstudio.co/yc-companies/escape-28216) — **Escape** · YC Winter 2023 · B2B, Security · Active · team 29 · yc_id:28216 — Offensive security for the teams that are 100x outnumbered
- [Escher Reality](https://lemstudio.co/yc-companies/escher-reality-1626) — **Escher Reality** · YC Summer 2017 · Consumer, Virtual and Augmented Reality · Acquired · team 2 · yc_id:1626 — The backend for Augmented Reality.
- [Estimote, Inc.](https://lemstudio.co/yc-companies/estimote-inc-534) — **Estimote, Inc.** · YC Summer 2013 · B2B, Supply Chain and Logistics · Active · team 40 · yc_id:534 — Location intelligence platform
- [Estoca](https://lemstudio.co/yc-companies/estoca-23433) — **Estoca** · YC Winter 2021 · B2B, Supply Chain and Logistics · Active · team 150 · yc_id:23433 — The Logistics Operating System for E-commerce in LatAm
- [et al.](https://lemstudio.co/yc-companies/et-al-29856) — **et al.** · YC Summer 2024 · Consumer · Active · team 2 · yc_id:29856 — Feed of insights extracted from your go-to sources using LLMs.
- [Etacts](https://lemstudio.co/yc-companies/etacts-232) — **Etacts** · YC Winter 2010 · B2B, Sales · Acquired · team 2 · yc_id:232
- [Eternal](https://lemstudio.co/yc-companies/eternal-13146) — **Eternal** · YC Winter 2020 · Consumer, Gaming · Acquired · team 15 · yc_id:13146 — Own the best moments in streaming
- [Ethos Space Resources](https://lemstudio.co/yc-companies/ethos-space-resources-33312) — **Ethos Space Resources** · YC Summer 2026 · Industrials, Aviation and Space · Active · team 2 · yc_id:33312 — We make silicon on the Moon, to power everything in space.
- [EthosX](https://lemstudio.co/yc-companies/ethosx-26743) — **EthosX** · YC Summer 2022 · Fintech · Active · team 2 · yc_id:26743 — The protocol for derivatives on blockchains
- [Etleap](https://lemstudio.co/yc-companies/etleap-488) — **Etleap** · YC Winter 2013 · B2B, Infrastructure · Active · team 11 · yc_id:488 — Etleap is an ETL solution for creating perfect data pipelines. 
- [Eugit Therapeutics](https://lemstudio.co/yc-companies/eugit-therapeutics-26427) — **Eugit Therapeutics** · YC Summer 2022 · Healthcare, Therapeutics · Active · team 2 · yc_id:26427 — Enabling Tissue Targeting of Therapies
- [Event Horizon Labs](https://lemstudio.co/yc-companies/event-horizon-labs-29181) — **Event Horizon Labs** · YC Winter 2024 · Fintech, Asset Management · Active · team 10 · yc_id:29181 — AI research lab automating all of investing
- [Eventjoy](https://lemstudio.co/yc-companies/eventjoy-594) — **Eventjoy** · YC Winter 2014 · B2B, Retail · Acquired · team 2 · yc_id:594 — Fee-free ticketing, optimized for mobile.
- [Eventual](https://lemstudio.co/yc-companies/eventual-26254) — **Eventual** · YC Winter 2022 · B2B, Infrastructure · Active · team 18 · yc_id:26254 — Building the AI data engine for any modality and scale
- [Ever Loved](https://lemstudio.co/yc-companies/ever-loved-12585) — **Ever Loved** · YC Summer 2019 · Consumer, Home and Personal · Active · team 5 · yc_id:12585 — Helping families plan and pay for funerals.
- [Everest](https://lemstudio.co/yc-companies/everest-30940) — **Everest** · YC Fall 2025 · Consumer · Active · yc_id:30940
- [Evergrove](https://lemstudio.co/yc-companies/evergrove-30735) — **Evergrove** · YC Summer 2026 · Healthcare · Active · team 2 · yc_id:30735 — Instant healthcare for all, starting with work comp
- [Every](https://lemstudio.co/yc-companies/every-28817) — **Every** · YC Summer 2023 · B2B · Active · team 12 · yc_id:28817 — Banking + Payroll/Benefits + Bookkeeping + Tax in one place
- [Everyday.me](https://lemstudio.co/yc-companies/everyday-me-453) — **Everyday.me** · YC Summer 2012 · Consumer, Social · Inactive · team 11 · yc_id:453 — Everyday.me - Record your life.  Store it forever.  
- [Everyme](https://lemstudio.co/yc-companies/everyme-108) — **Everyme** · YC Summer 2011 · Consumer, Social · Inactive · team 2 · yc_id:108 — The #1 private social network
- [Evidence](https://lemstudio.co/yc-companies/evidence-24827) — **Evidence** · YC Summer 2021 · B2B, Analytics · Active · team 6 · yc_id:24827 — Business intelligence as code
- [Evidently AI](https://lemstudio.co/yc-companies/evidently-ai-24484) — **Evidently AI** · YC Summer 2021 · B2B, Analytics · Active · team 2 · yc_id:24484 — Open-source monitoring for machine learning models
- [Evo.Do](https://lemstudio.co/yc-companies/evo-do-12013) — **Evo.Do** · YC Winter 2019 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:12013 — QA Bots for Games
- [Evolve (makers of Podcast App & Rest)](https://lemstudio.co/yc-companies/evolve-makers-of-podcast-app-rest-1802) — **Evolve (makers of Podcast App & Rest)** · YC Winter 2018 · Consumer, Content · Active · team 23 · yc_id:1802 — Rest is an AI sleep coach that helps you fix your sleep for good,…
- [Evolvere BioSciences](https://lemstudio.co/yc-companies/evolvere-biosciences-29475) — **Evolvere BioSciences** · YC Summer 2024 · Healthcare, Therapeutics · Active · team 3 · yc_id:29475 — Making Next-Generation Antibiotics that Outpace Bacterial Evolution
- [Evoly](https://lemstudio.co/yc-companies/evoly-26801) — **Evoly** · YC Summer 2022 · Industrials, Energy · Active · team 4 · yc_id:26801 — Smart electric & water meters as a service
- [Evry Health](https://lemstudio.co/yc-companies/evry-health-1789) — **Evry Health** · YC Winter 2018 · Healthcare, Healthcare Services · Acquired · team 87 · yc_id:1789 — Better health insurance for mid-size companies
- [Exa](https://lemstudio.co/yc-companies/exa-24893) — **Exa** · YC Summer 2021 · B2B · Active · team 75 · yc_id:24893 — Web search rebuilt for LLMs
- [Examedi](https://lemstudio.co/yc-companies/examedi-24550) — **Examedi** · YC Summer 2021 · Healthcare · Active · team 3 · yc_id:24550 — Uber for Healthcare in Latinamerica
- [Excellence Learning](https://lemstudio.co/yc-companies/excellence-learning-30185) — **Excellence Learning** · YC Winter 2025 · Education · Active · team 4 · yc_id:30185 — AI tutor starting with maths and science
- [Excepgen](https://lemstudio.co/yc-companies/excepgen-12046) — **Excepgen** · YC Winter 2019 · Healthcare, Therapeutics · Active · team 3 · yc_id:12046
- [ExceptionALLY](https://lemstudio.co/yc-companies/exceptionally-1894) — **ExceptionALLY** · YC Summer 2018 · Education · Inactive · team 3 · yc_id:1894 — Affordable expertise for special needs parenting.
- [Exec](https://lemstudio.co/yc-companies/exec-38) — **Exec** · YC Winter 2012 · Consumer, Home and Personal · Acquired · team 11 · yc_id:38 — Exec is a house cleaning service that users can book from their…
- [Executor](https://lemstudio.co/yc-companies/executor-32947) — **Executor** · YC Summer 2026 · B2B, Infrastructure · Active · team 1 · yc_id:32947 — The open source tool gateway
- [Exin Therapeutics](https://lemstudio.co/yc-companies/exin-therapeutics-29986) — **Exin Therapeutics** · YC Winter 2025 · Healthcare, Therapeutics · Active · team 9 · yc_id:29986 — AI drug discovery platform for neurotherapeutics
- [Exla](https://lemstudio.co/yc-companies/exla-30284) — **Exla** · YC Winter 2025 · B2B, Infrastructure · Active · team 2 · yc_id:30284 — Building agents that reads logs and fixes issues on your behalf.
- [Exly](https://lemstudio.co/yc-companies/exly-12247) — **Exly** · YC Winter 2019 · Consumer · Active · team 95 · yc_id:12247 — One stop shop for creators to launch, manage & grow their knowledge…
- [Exonic](https://lemstudio.co/yc-companies/exonic-30970) — **Exonic** · YC Fall 2025 · Healthcare, Drug Discovery and Delivery · Active · team 3 · yc_id:30970 — Exonic is an AI-native cell and gene therapeutics company. 
- [Exosat](https://lemstudio.co/yc-companies/exosat-32233) — **Exosat** · YC Summer 2026 · Industrials, Aviation and Space · Active · team 1 · yc_id:32233 — Building a neutral, sovereign alternative to Starlink
- [Exosonic, Inc.](https://lemstudio.co/yc-companies/exosonic-inc-13140) — **Exosonic, Inc.** · YC Winter 2020 · Industrials, Aviation and Space · Inactive · team 14 · yc_id:13140 — Developing supersonic UAVs as a pathway to quiet supersonic flight
- [expand.ai](https://lemstudio.co/yc-companies/expand-ai-29728) — **expand.ai** · YC Summer 2024 · B2B · Active · team 2 · yc_id:29728 — Turn any website into an API.
- [Expanse](https://lemstudio.co/yc-companies/expanse-31516) — **Expanse** · YC Spring 2026 · B2B, Infrastructure · Active · team 4 · yc_id:31516 — Unlock wasted GPU capacity.
- [Expected Parrot](https://lemstudio.co/yc-companies/expected-parrot-30939) — **Expected Parrot** · YC Fall 2025 · B2B · Active · team 5 · yc_id:30939 — Simulate your customers with AI agents
- [Expent Inc](https://lemstudio.co/yc-companies/expent-inc-22787) — **Expent Inc** · YC Winter 2021 · B2B, Operations · Active · team 10 · yc_id:22787 — Procure the right software 5x faster
- [Experiential Labs](https://lemstudio.co/yc-companies/experiential-labs-33806) — **Experiential Labs** · YC Summer 2026 · B2B, Infrastructure · Active · team 2 · yc_id:33806 — Open source AI gateway that turns your traffic into better models
- [Experiment](https://lemstudio.co/yc-companies/experiment-497) — **Experiment** · YC Winter 2013 · Healthcare, Healthcare Services · Active · team 1 · yc_id:497 — crowdfunding platform for science
- [Explo](https://lemstudio.co/yc-companies/explo-13102) — **Explo** · YC Winter 2020 · B2B, Analytics · Active · team 24 · yc_id:13102 — Embedded Analytics and Data Sharing Platform
- [Explorex](https://lemstudio.co/yc-companies/explorex-21828) — **Explorex** · YC Summer 2020 · Consumer · Active · team 25 · yc_id:21828 — Ecosystem Platform for Restaurants in India
- [Expo](https://lemstudio.co/yc-companies/expo-1347) — **Expo** · YC Summer 2016 · B2B, Infrastructure · Active · team 40 · yc_id:1347 — Expo brings together the best of web and native app development
- [Express Building](https://lemstudio.co/yc-companies/express-building-27175) — **Express Building** · YC Summer 2022 · Real Estate and Construction, Housing and Real Estate · Active · team 14 · yc_id:27175 — Financing Southeast Asia's ~$1 trillion housing backlog
- [Extend](https://lemstudio.co/yc-companies/extend-27871) — **Extend** · YC Winter 2023 · B2B · Active · team 25 · yc_id:27871 — Production-ready document processing
- [Extern](https://lemstudio.co/yc-companies/extern-1462) — **Extern** · YC Winter 2017 · Consumer, Job and Career Services · Active · team 30 · yc_id:1462 — Professional Experience Anytime, Anywhere.
- [EzDubs](https://lemstudio.co/yc-companies/ezdubs-27883) — **EzDubs** · YC Winter 2023 · Consumer · Acquired · team 6 · yc_id:27883 — Real-time speech translation
- [Eze](https://lemstudio.co/yc-companies/eze-13169) — **Eze** · YC Winter 2020 · B2B, Retail · Active · team 32 · yc_id:13169 — The easiest way to track, buy, and sell your company’s tech — all in…
- [F2](https://lemstudio.co/yc-companies/f2-30832) — **F2** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 15 · yc_id:30832 — The AI platform for private markets investors
- [F4 Industries](https://lemstudio.co/yc-companies/f4-industries-30741) — **F4 Industries** · YC Summer 2025 · Industrials, Aviation and Space · Active · team 5 · yc_id:30741 — The GD&T Analysis Platform for Engineering Drawings
- [Fabius](https://lemstudio.co/yc-companies/fabius-28119) — **Fabius** · YC Winter 2023 · B2B, Sales · Inactive · team 2 · yc_id:28119 — AI to improve Sales Calls
- [Fable](https://lemstudio.co/yc-companies/fable-23189) — **Fable** · YC Winter 2021 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:23189 — The command center for product teams
- [Fabraix](https://lemstudio.co/yc-companies/fabraix-32624) — **Fabraix** · YC Summer 2026 · B2B, Security · Active · team 2 · yc_id:32624 — The world's frontier hacker of AI agents.
- [Fabric](https://lemstudio.co/yc-companies/fabric-1234) — **Fabric** · YC Summer 2016 · Consumer, Social · Acquired · team 2 · yc_id:1234 — Fabric is a personal location-based journal that catalogs experiences…
- [Fabricly](https://lemstudio.co/yc-companies/fabricly-217) — **Fabricly** · YC Winter 2010 · B2B, Retail · Inactive · team 2 · yc_id:217
- [Facio](https://lemstudio.co/yc-companies/facio-12831) — **Facio** · YC Winter 2020 · Fintech, Credit and Lending · Active · team 36 · yc_id:12831 — Salary advance to employees in Brazil.
- [Faction](https://lemstudio.co/yc-companies/faction-22786) — **Faction** · YC Winter 2021 · Industrials, Automotive · Inactive · team 25 · yc_id:22786 — Driverless electric vehicles at a fraction of the cost of a car.
- [FactIQ](https://lemstudio.co/yc-companies/factiq-27939) — **FactIQ** · YC Winter 2023 · Fintech, Asset Management · Active · team 3 · yc_id:27939 — Investment research data for AI agents
- [Factored Quality](https://lemstudio.co/yc-companies/factored-quality-13105) — **Factored Quality** · YC Winter 2020 · B2B, Supply Chain and Logistics · Acquired · team 20 · yc_id:13105 — Helping 100+ brands bring all quality and compliance operations…
- [Faire](https://lemstudio.co/yc-companies/faire-1543) — **Faire** · YC Winter 2017 · B2B, Retail · Active · team 900 · yc_id:1543 — The global online platform empowering independent retail.
- [Fairway Health](https://lemstudio.co/yc-companies/fairway-health-27945) — **Fairway Health** · YC Winter 2023 · Healthcare, Healthcare IT · Acquired · team 3 · yc_id:27945 — AI Co-Pilot for Health Insurers to Authorize Treatment Faster
- [Fam](https://lemstudio.co/yc-companies/fam-1599) — **Fam** · YC Summer 2017 · Consumer, Social · Inactive · team 11 · yc_id:1599 — Video calling social network to talk with friends and make new friends
- [FameGame](https://lemstudio.co/yc-companies/famegame-1973) — **FameGame** · YC Summer 2018 · Consumer, Social · Inactive · team 2 · yc_id:1973 — Live and interactive TV shows for mobile - starting with American…
- [Familiar](https://lemstudio.co/yc-companies/familiar-32987) — **Familiar** · YC Summer 2026 · B2B, Infrastructure · Active · team 8 · yc_id:32987 — Movies in Every Language. Better than Humans.
- [FamilyLeaf](https://lemstudio.co/yc-companies/familyleaf-25) — **FamilyLeaf** · YC Winter 2012 · Consumer, Social · Acquired · team 2 · yc_id:25 — Help families stay in touch
- [FamPay](https://lemstudio.co/yc-companies/fampay-12760) — **FamPay** · YC Summer 2019 · Fintech, Payments · Active · team 24 · yc_id:12760 — India’s first neobank for teenagers
- [Fanchatter](https://lemstudio.co/yc-companies/fanchatter-253) — **Fanchatter** · YC Summer 2009 · B2B, Marketing · Inactive · team 11 · yc_id:253 — FanChatter aggregates, amplifies and empowers fan content on every…
- [Fancy](https://lemstudio.co/yc-companies/fancy-22228) — **Fancy** · YC Summer 2020 · Consumer, Food and Beverage · Acquired · team 50 · yc_id:22228 — Essentials delivered in 30 minutes.
- [FanHero](https://lemstudio.co/yc-companies/fanhero-520) — **FanHero** · YC Summer 2013 · Consumer, Social · Inactive · team 1 · yc_id:520
- [Fanvibe](https://lemstudio.co/yc-companies/fanvibe-205) — **Fanvibe** · YC Summer 2010 · Consumer, Social · Acquired · team 2 · yc_id:205
- [Faraday](https://lemstudio.co/yc-companies/faraday-34896) — **Faraday** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:34896 — Industrial aOS between humans, agents, and robots
- [Farcast](https://lemstudio.co/yc-companies/farcast-13167) — **Farcast** · YC Winter 2020 · Industrials, Aviation and Space · Active · team 12 · yc_id:13167 — We build advanced satcom user terminals
- [Farel](https://lemstudio.co/yc-companies/farel-22054) — **Farel** · YC Summer 2020 · B2B, Operations · Active · team 9 · yc_id:22054 — Next-gen airline OS
- [Farmako Healthcare](https://lemstudio.co/yc-companies/farmako-healthcare-21864) — **Farmako Healthcare** · YC Summer 2020 · Healthcare, Healthcare IT · Active · team 40 · yc_id:21864 — India's fastest medicine delivery in just 30 minutes
- [FarmLogs](https://lemstudio.co/yc-companies/farmlogs-47) — **FarmLogs** · YC Winter 2012 · Industrials, Agriculture · Acquired · team 5 · yc_id:47 — Software that helps farmers operate more profitable businesses.
- [Farmstead](https://lemstudio.co/yc-companies/farmstead-1208) — **Farmstead** · YC Summer 2016 · Consumer, Food and Beverage · Inactive · team 10 · yc_id:1208 — An AI-powered digital grocer that delivers in under 60 mins.
- [farmtheory](https://lemstudio.co/yc-companies/farmtheory-13347) — **farmtheory** · YC Winter 2020 · B2B, Supply Chain and Logistics · Active · team 65 · yc_id:13347 — India's first vegetable delivery service to restaurants with a hack
- [FastFarma](https://lemstudio.co/yc-companies/fastfarma-24380) — **FastFarma** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Inactive · team 8 · yc_id:24380 — Digital pharmacy for Latam, that saves you money and time.
- [Fastgen](https://lemstudio.co/yc-companies/fastgen-27974) — **Fastgen** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:27974 — Webflow for the Backend
- [FastJVM](https://lemstudio.co/yc-companies/fastjvm-1510) — **FastJVM** · YC Winter 2017 · B2B, Marketing · Active · team 3 · yc_id:1510 — Making the JVM faster
- [Fastpad](https://lemstudio.co/yc-companies/fastpad-1672) — **Fastpad** · YC Summer 2017 · B2B, Recruiting and Talent · Inactive · team 3 · yc_id:1672 — Hiring Software for India
- [Fastshot](https://lemstudio.co/yc-companies/fastshot-31001) — **Fastshot** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:31001 — Lovable for mobile apps
- [Fat Llama](https://lemstudio.co/yc-companies/fat-llama-1601) — **Fat Llama** · YC Summer 2017 · Consumer, Consumer Electronics · Acquired · team 41 · yc_id:1601 — Fat Llama is the first fully insured peer-to-peer rental marketplace.…
- [Fathom](https://lemstudio.co/yc-companies/fathom-22879) — **Fathom** · YC Winter 2021 · B2B, Productivity · Active · team 95 · yc_id:22879 — The most flexible AI meeting notetaker ever built.
- [FathomDB](https://lemstudio.co/yc-companies/fathomdb-309) — **FathomDB** · YC Winter 2008 · B2B, Infrastructure · Inactive · yc_id:309
- [Fazeshift](https://lemstudio.co/yc-companies/fazeshift-29711) — **Fazeshift** · YC Summer 2024 · B2B, Finance and Accounting · Active · team 8 · yc_id:29711 — AI agent for Accounts Receivable
- [FAZZ](https://lemstudio.co/yc-companies/fazz-1580) — **FAZZ** · YC Summer 2017 · Fintech · Active · team 500 · yc_id:1580 — All-in-one Finance for Every Southeast Asia Business
- [Feanix Biotechnologies](https://lemstudio.co/yc-companies/feanix-biotechnologies-29158) — **Feanix Biotechnologies** · YC Summer 2023 · Industrials, Agriculture · Active · team 5 · yc_id:29158 — Farm Genetics Made Easy - Using DNA and Software
- [Feather](https://lemstudio.co/yc-companies/feather-1592) — **Feather** · YC Summer 2017 · Consumer, Home and Personal · Acquired · team 125 · yc_id:1592 — Furniture rental for consumers and businesses.
- [Feather](https://lemstudio.co/yc-companies/feather-27041) — **Feather** · YC Summer 2022 · B2B · Active · team 8 · yc_id:27041 — Voice AI
- [FeaturePeek](https://lemstudio.co/yc-companies/featurepeek-12628) — **FeaturePeek** · YC Summer 2019 · B2B, Engineering, Product and Design · Acquired · team 4 · yc_id:12628 — Supercharged deployment previews for all.
- [Fed10](https://lemstudio.co/yc-companies/fed10-31247) — **Fed10** · YC Winter 2026 · B2B, Legal · Active · team 3 · yc_id:31247 — AI Agents for Government Affairs
- [Federacy](https://lemstudio.co/yc-companies/federacy-1903) — **Federacy** · YC Summer 2018 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:1903 — Penetration testing and bug bounty platform.
- [Feldy](https://lemstudio.co/yc-companies/feldy-29350) — **Feldy** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:29350 — Field-First AI for home services
- [Felix Biotechnology](https://lemstudio.co/yc-companies/felix-biotechnology-13178) — **Felix Biotechnology** · YC Winter 2020 · Healthcare, Drug Discovery and Delivery · Inactive · team 6 · yc_id:13178 — We’re creating programmable therapies
- [Fello](https://lemstudio.co/yc-companies/fello-25820) — **Fello** · YC Winter 2022 · Fintech · Inactive · team 24 · yc_id:25820 — Grow money and win $1000 every week by saving and playing games
- [Female Invest](https://lemstudio.co/yc-companies/female-invest-24599) — **Female Invest** · YC Summer 2021 · Fintech · Active · team 20 · yc_id:24599 — The world's largest financial education and community app for women
- [Fenrock AI](https://lemstudio.co/yc-companies/fenrock-ai-31187) — **Fenrock AI** · YC Winter 2026 · Fintech, Banking and Exchange · Active · team 2 · yc_id:31187 — AI agents for banks
- [Fern](https://lemstudio.co/yc-companies/fern-31152) — **Fern** · YC Winter 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31152 — RL environments for robotics companies
- [Fern](https://lemstudio.co/yc-companies/fern-28103) — **Fern** · YC Winter 2023 · B2B, Engineering, Product and Design · Acquired · team 30 · yc_id:28103 — Instantly offer SDKs and API Docs
- [Fernstone](https://lemstudio.co/yc-companies/fernstone-30749) — **Fernstone** · YC Fall 2025 · Fintech, Insurance · Active · team 5 · yc_id:30749 — AI-native insurance brokerage. 
- [Feroot Security](https://lemstudio.co/yc-companies/feroot-security-23174) — **Feroot Security** · YC Winter 2021 · B2B, Security · Active · team 24 · yc_id:23174 — AI-powered Compliance Platform for PCI 4, CCPA, HIPAA, CIPA, 50+ laws
- [Ferveret](https://lemstudio.co/yc-companies/ferveret-24598) — **Ferveret** · YC Summer 2021 · Industrials, Energy · Active · team 16 · yc_id:24598 — Nuclear-inspired cooling that turns wasted power into more AI compute
- [Fetch](https://lemstudio.co/yc-companies/fetch-950) — **Fetch** · YC Summer 2015 · Consumer, Transportation Services · Inactive · team 24 · yc_id:950 — Marketplace for self-service truck rental.
- [Fetchr](https://lemstudio.co/yc-companies/fetchr-28371) — **Fetchr** · YC Winter 2023 · Consumer, Apparel and Cosmetics · Inactive · team 4 · yc_id:28371 — The Personal Shopper  in Your Pocket
- [Fetii](https://lemstudio.co/yc-companies/fetii-26737) — **Fetii** · YC Summer 2022 · Consumer, Transportation Services · Active · team 50 · yc_id:26737 — Fetii is an AI-driven mobility platform
- [Feyn](https://lemstudio.co/yc-companies/feyn-30431) — **Feyn** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30431 — Custom models trained on your data
- [Fiber AI](https://lemstudio.co/yc-companies/fiber-ai-29074) — **Fiber AI** · YC Summer 2023 · B2B · Active · team 8 · yc_id:29074 — The freshest data APIs for AI sales, recruiting, & growth products
- [Fibo](https://lemstudio.co/yc-companies/fibo-1492) — **Fibo** · YC Winter 2017 · B2B, Productivity · Inactive · team 15 · yc_id:1492 — SaaS calendar and messaging for SMBs
- [Ficra](https://lemstudio.co/yc-companies/ficra-29952) — **Ficra** · YC Summer 2024 · B2B · Active · team 3 · yc_id:29952 — Automating workflows.
- [FidoCure®](https://lemstudio.co/yc-companies/fidocure-1877) — **FidoCure®** · YC Winter 2018 · Healthcare, Healthcare Services · Active · team 14 · yc_id:1877 — FidoCure® is the leader in Precision Medicine for Canine Oncology.
- [Fieldguide](https://lemstudio.co/yc-companies/fieldguide-22273) — **Fieldguide** · YC Summer 2020 · B2B, Productivity · Active · team 200 · yc_id:22273 — Vertical AI for Audit & Advisory Firms
- [Fieldproxy](https://lemstudio.co/yc-companies/fieldproxy-25519) — **Fieldproxy** · YC Winter 2022 · B2B, Productivity · Active · team 15 · yc_id:25519 — Retool for 20 Million Field Teams
- [Fifth Door](https://lemstudio.co/yc-companies/fifth-door-30569) — **Fifth Door** · YC Fall 2025 · Consumer, Gaming · Active · team 3 · yc_id:30569 — Create and play games with AI
- [FifthTry](https://lemstudio.co/yc-companies/fifthtry-22826) — **FifthTry** · YC Winter 2021 · B2B, Productivity · Active · team 4 · yc_id:22826 — Continuous Documentation To End Documentation Rot
- [Fig](https://lemstudio.co/yc-companies/fig-13163) — **Fig** · YC Summer 2020 · B2B, Engineering, Product and Design · Acquired · team 5 · yc_id:13163 — Fig adds visual apps, shortcuts, and autocomplete to your terminal.
- [FightCamp](https://lemstudio.co/yc-companies/fightcamp-1065) — **FightCamp** · YC Winter 2016 · Consumer, Gaming · Active · team 64 · yc_id:1065 — Home boxing gym with motion trackers that compute punches and reps. 
- [Figments](https://lemstudio.co/yc-companies/figments-12536) — **Figments** · YC Summer 2019 · B2B · Inactive · team 2 · yc_id:12536 — Building worlds at technological inflection points
- [Fiix](https://lemstudio.co/yc-companies/fiix-1478) — **Fiix** · YC Winter 2017 · Consumer, Transportation Services · Acquired · team 2 · yc_id:1478 — Fiix sends expert auto mechanics to your home, so you don’t have to…
- [Filadd](https://lemstudio.co/yc-companies/filadd-24629) — **Filadd** · YC Summer 2021 · Education · Active · team 100 · yc_id:24629 — We help students in Latin America graduate from College.
- [Fileforge](https://lemstudio.co/yc-companies/fileforge-29449) — **Fileforge** · YC Winter 2024 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:29449 — API For PDF Document Workflows
- [FileStack](https://lemstudio.co/yc-companies/filestack-425) — **FileStack** · YC Summer 2012 · B2B, Productivity · Inactive · team 50 · yc_id:425 — Acquired by Xenon Ventures.We enable website developers to hook into…
- [Filta](https://lemstudio.co/yc-companies/filta-24597) — **Filta** · YC Summer 2021 · Consumer · Active · team 3 · yc_id:24597 — The Face Filter NFT Marketplace
- [Final](https://lemstudio.co/yc-companies/final-743) — **Final** · YC Winter 2015 · Fintech, Payments · Acquired · team 11 · yc_id:743 — A credit card that drastically reduces payment fraud and gives…
- [FinalDose](https://lemstudio.co/yc-companies/finaldose-30915) — **FinalDose** · YC Spring 2026 · Healthcare, Therapeutics · Active · team 5 · yc_id:30915 — Programmable DNA drug destroying all cancers, unlocking 80% of targets
- [Financial Datasets](https://lemstudio.co/yc-companies/financial-datasets-32816) — **Financial Datasets** · YC Summer 2026 · B2B · Active · team 1 · yc_id:32816 — Connect your agents to the stock market 
- [Finantier](https://lemstudio.co/yc-companies/finantier-23065) — **Finantier** · YC Winter 2021 · Fintech, Banking and Exchange · Inactive · team 40 · yc_id:23065 — Plaid for Southeast Asia
- [Finary](https://lemstudio.co/yc-companies/finary-22755) — **Finary** · YC Winter 2021 · Fintech, Asset Management · Inactive · team 6 · yc_id:22755 — Discord for investing.
- [Finary.com](https://lemstudio.co/yc-companies/finary-com-22903) — **Finary.com** · YC Winter 2021 · Fintech, Asset Management · Active · team 80 · yc_id:22903 — The new wealth manager for Europe
- [Finbar](https://lemstudio.co/yc-companies/finbar-30253) — **Finbar** · YC Winter 2025 · Fintech · Active · team 4 · yc_id:30253 — Financial intelligence for every investor
- [Finch](https://lemstudio.co/yc-companies/finch-22272) — **Finch** · YC Summer 2020 · B2B, Engineering, Product and Design · Active · team 73 · yc_id:22272 — Finch is the Employment Data Platform
- [FinFlx](https://lemstudio.co/yc-companies/finflx-25683) — **FinFlx** · YC Winter 2022 · Fintech · Active · team 8 · yc_id:25683 — Flexible Workplace Savings plans for SMEs in MENA.
- [Fingo Africa](https://lemstudio.co/yc-companies/fingo-africa-23986) — **Fingo Africa** · YC Summer 2021 · Fintech · Acquired · team 8 · yc_id:23986 — A neobank for Africa's 500 million youth
- [Fini](https://lemstudio.co/yc-companies/fini-27038) — **Fini** · YC Summer 2022 · B2B, Operations · Active · team 14 · yc_id:27038 — Fini | Automate 80% of enterprise support with AI agents
- [Finic](https://lemstudio.co/yc-companies/finic-27952) — **Finic** · YC Winter 2023 · Fintech · Active · team 4 · yc_id:27952 — The AI fraud hunter
- [Finku](https://lemstudio.co/yc-companies/finku-26016) — **Finku** · YC Winter 2022 · Fintech · Active · team 20 · yc_id:26016 — AI powered personal finance app for Indonesia
- [Finlens](https://lemstudio.co/yc-companies/finlens-12742) — **Finlens** · YC Winter 2020 · B2B, Finance and Accounting · Active · team 6 · yc_id:12742 — AI Accounting for Founders & Accountants
- [Finley](https://lemstudio.co/yc-companies/finley-22667) — **Finley** · YC Winter 2021 · Fintech, Credit and Lending · Acquired · team 32 · yc_id:22667 — Streamline your debt capital raise and management
- [Finmark](https://lemstudio.co/yc-companies/finmark-21793) — **Finmark** · YC Summer 2020 · B2B, Finance and Accounting · Acquired · team 14 · yc_id:21793 — Financial planning software for startups
- [Finn](https://lemstudio.co/yc-companies/finn-27670) — **Finn** · YC Winter 2023 · Fintech, Consumer Finance · Active · team 5 · yc_id:27670 — AI Wealth Manager
- [Finni Health](https://lemstudio.co/yc-companies/finni-health-28160) — **Finni Health** · YC Winter 2023 · Healthcare, Consumer Health and Wellness · Active · team 40 · yc_id:28160 — Empowering Autism Care Providers to Go Independent
- [Finnix](https://lemstudio.co/yc-companies/finnix-26242) — **Finnix** · YC Winter 2022 · Fintech, Insurance · Active · team 13 · yc_id:26242 — Financial technology solutions for Indonesian creative businesses
- [Finnt](https://lemstudio.co/yc-companies/finnt-25712) — **Finnt** · YC Winter 2022 · B2B, Finance and Accounting · Inactive · team 4 · yc_id:25712 — AI Agents for CFO and Finance teams
- [FINNY AI](https://lemstudio.co/yc-companies/finny-ai-29735) — **FINNY AI** · YC Summer 2024 · Fintech, Asset Management · Active · team 35 · yc_id:29735 — The organic growth engine for financial advisors 
- [Finosu](https://lemstudio.co/yc-companies/finosu-29796) — **Finosu** · YC Summer 2024 · Fintech, Credit and Lending · Active · team 7 · yc_id:29796 — AI Native Consumer Loan Servicer
- [Finta](https://lemstudio.co/yc-companies/finta-28410) — **Finta** · YC Winter 2023 · B2B, Finance and Accounting · Active · team 2 · yc_id:28410 — Magically simplify accounting and taxes
- [Fintelite](https://lemstudio.co/yc-companies/fintelite-25532) — **Fintelite** · YC Winter 2022 · Fintech · Active · team 20 · yc_id:25532 — Intelligent Process Automation for Lending.
- [Finto](https://lemstudio.co/yc-companies/finto-30716) — **Finto** · YC Summer 2025 · B2B, Finance and Accounting · Active · team 10 · yc_id:30716 — AI accounting for enterprise finance teams
- [Fintoc](https://lemstudio.co/yc-companies/fintoc-22836) — **Fintoc** · YC Winter 2021 · Fintech, Payments · Active · team 60 · yc_id:22836 — Account-to-Account payments in Mexico and Chile.
- [Fintool](https://lemstudio.co/yc-companies/fintool-27927) — **Fintool** · YC Winter 2023 · B2B, Finance and Accounting · Acquired · team 6 · yc_id:27927 — Financial copilot for institutional investors
- [Fintual](https://lemstudio.co/yc-companies/fintual-1992) — **Fintual** · YC Summer 2018 · Fintech, Consumer Finance · Active · team 100 · yc_id:1992 — Wealth manager
- [Fira](https://lemstudio.co/yc-companies/fira-30356) — **Fira** · YC Winter 2025 · B2B, Finance and Accounting · Active · team 4 · yc_id:30356 — Financial research platform for investment firms
- [Firebase](https://lemstudio.co/yc-companies/firebase-97) — **Firebase** · YC Summer 2011 · B2B, Infrastructure · Acquired · team 500 · yc_id:97 — Build and grow iOS, Android, and Web apps.
- [Firebender](https://lemstudio.co/yc-companies/firebender-29352) — **Firebender** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:29352 — Most powerful coding agent for Android engineers
- [Firecrawl](https://lemstudio.co/yc-companies/firecrawl-27152) — **Firecrawl** · YC Summer 2022 · B2B · Active · team 3 · yc_id:27152 — Give your AI agents web data and beyond.
- [Firezone](https://lemstudio.co/yc-companies/firezone-25552) — **Firezone** · YC Winter 2022 · B2B, Security · Active · team 3 · yc_id:25552 — Easiest way to set up Zero Trust Access for your team
- [FIRST](https://lemstudio.co/yc-companies/first-12279) — **FIRST** · YC Winter 2019 · B2B, Operations · Active · team 12 · yc_id:12279 — The best way for any business to offer delivery. 
- [Firstbase.io](https://lemstudio.co/yc-companies/firstbase-io-22796) — **Firstbase.io** · YC Winter 2021 · B2B, Operations · Active · team 50 · yc_id:22796 — The all-in-one startup operating system
- [Firsthand](https://lemstudio.co/yc-companies/firsthand-1497) — **Firsthand** · YC Winter 2017 · B2B, Retail · Inactive · team 2 · yc_id:1497 — Firsthand makes software-enabled, self-serve retail kiosks that carry…
- [FirstIgnite](https://lemstudio.co/yc-companies/firstignite-24842) — **FirstIgnite** · YC Summer 2021 · B2B · Acquired · team 9 · yc_id:24842 — AI-Powered Business Development for Scientific Organizations
- [FirstQuadrant](https://lemstudio.co/yc-companies/firstquadrant-23985) — **FirstQuadrant** · YC Summer 2021 · B2B, Sales · Inactive · team 2 · yc_id:23985 — Sales AI that helps revenue teams move faster and close more deals.
- [FirstSupport.ai](https://lemstudio.co/yc-companies/firstsupport-ai-22882) — **FirstSupport.ai** · YC Winter 2021 · B2B, Operations · Active · team 4 · yc_id:22882 — AI Assistant for Customer Support
- [FirstWork](https://lemstudio.co/yc-companies/firstwork-29651) — **FirstWork** · YC Summer 2024 · B2B, Human Resources · Active · team 9 · yc_id:29651 — Rippling for seasonal workers
- [Fit to Form](https://lemstudio.co/yc-companies/fit-to-form-11947) — **Fit to Form** · YC Summer 2019 · Consumer, Apparel and Cosmetics · Inactive · team 2 · yc_id:11947 — Fit to Form is a site where women shop for dresses based on their…
- [FitFu](https://lemstudio.co/yc-companies/fitfu-139) — **FitFu** · YC Winter 2011 · Consumer, Home and Personal · Inactive · team 2 · yc_id:139 — New projects
- [Fithub](https://lemstudio.co/yc-companies/fithub-229) — **Fithub** · YC Winter 2010 · B2B, Retail · Inactive · yc_id:229
- [FitHub](https://lemstudio.co/yc-companies/fithub-23128) — **FitHub** · YC Winter 2021 · Consumer, Food and Beverage · Active · team 60 · yc_id:23128 — The one-stop shop for healthy products
- [Fitia](https://lemstudio.co/yc-companies/fitia-24169) — **Fitia** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · team 26 · yc_id:24169 — Automated Meal Planner & Nutrition Tracking
- [FitnessAI](https://lemstudio.co/yc-companies/fitnessai-13100) — **FitnessAI** · YC Winter 2020 · Consumer, Home and Personal · Acquired · team 1 · yc_id:13100 — App offering AI powered workout plans with anytime access to coaches
- [Fivestars](https://lemstudio.co/yc-companies/fivestars-158) — **Fivestars** · YC Winter 2011 · B2B, Retail · Acquired · team 201 · yc_id:158 — Customer loyalty and payments platform for small businesses.
- [Fivetran](https://lemstudio.co/yc-companies/fivetran-482) — **Fivetran** · YC Winter 2013 · B2B, Infrastructure · Active · team 1200 · yc_id:482 — The leader in automated data movement
- [fixa](https://lemstudio.co/yc-companies/fixa-30014) — **fixa** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30014 — Fix your voice agents faster
- [Fixed](https://lemstudio.co/yc-companies/fixed-669) — **Fixed** · YC Summer 2014 · Consumer, Transportation Services · Inactive · team 2 · yc_id:669 — iPhone app to fight your parking tickets.
- [Fixture](https://lemstudio.co/yc-companies/fixture-31289) — **Fixture** · YC Winter 2026 · B2B, Sales · Active · team 5 · yc_id:31289 — An AI-first CRM built for Startups
- [Flagr](https://lemstudio.co/yc-companies/flagr-371) — **Flagr** · YC Winter 2006 · Consumer, Social · Inactive · team 2 · yc_id:371
- [Flagright](https://lemstudio.co/yc-companies/flagright-25608) — **Flagright** · YC Winter 2022 · B2B · Active · team 31 · yc_id:25608 — AI-native AML compliance platform for fintechs & banks
- [Flai](https://lemstudio.co/yc-companies/flai-30690) — **Flai** · YC Summer 2025 · Industrials, Automotive · Active · team 35 · yc_id:30690 — We Bring Customers to Your Dealership
- [Flair Labs](https://lemstudio.co/yc-companies/flair-labs-26825) — **Flair Labs** · YC Summer 2022 · B2B · Active · team 6 · yc_id:26825 — AI workforce for mortgage
- [FlatX](https://lemstudio.co/yc-companies/flatx-27219) — **FlatX** · YC Summer 2022 · Real Estate and Construction, Housing and Real Estate · Active · team 2 · yc_id:27219 — AI-Powered Rental Platform for Urban Renters
- [Flaviar](https://lemstudio.co/yc-companies/flaviar-670) — **Flaviar** · YC Summer 2014 · Consumer, Food and Beverage · Active · team 60 · yc_id:670 — Try-at-home service for fine spirits
- [Fleek](https://lemstudio.co/yc-companies/fleek-25978) — **Fleek** · YC Winter 2022 · B2B, Retail · Active · team 100 · yc_id:25978 — A B2B marketplace for wholesale second hand fashion
- [Fleetline](https://lemstudio.co/yc-companies/fleetline-30775) — **Fleetline** · YC Summer 2025 · B2B, Supply Chain and Logistics · Active · team 11 · yc_id:30775 — Optimizing fleet planning with data driven algorithms
- [FleetWorks](https://lemstudio.co/yc-companies/fleetworks-28880) — **FleetWorks** · YC Summer 2023 · B2B, Supply Chain and Logistics · Active · team 20 · yc_id:28880 — AI enabled marketplace matching trucks with jobs
- [Fleetzero](https://lemstudio.co/yc-companies/fleetzero-25361) — **Fleetzero** · YC Winter 2022 · Industrials · Active · team 40 · yc_id:25361 — Making all ships robots. 
- [Flex](https://lemstudio.co/yc-companies/flex-29162) — **Flex** · YC Summer 2023 · Fintech, Payments · Active · team 8 · yc_id:29162 — Stripe for HSA/FSA payments
- [FlexDesk](https://lemstudio.co/yc-companies/flexdesk-27704) — **FlexDesk** · YC Winter 2023 · B2B, Office Management · Active · team 8 · yc_id:27704 — AI Agents for corporate real estate teams
- [flexEngage](https://lemstudio.co/yc-companies/flexengage-1088) — **flexEngage** · YC Winter 2016 · B2B, Retail · Acquired · team 25 · yc_id:1088 — Dynamic transactional communications for physical stores to help…
- [Flexport](https://lemstudio.co/yc-companies/flexport-595) — **Flexport** · YC Winter 2014 · B2B, Supply Chain and Logistics · Active · team 3000 · yc_id:595 — Platform for global logistics.
- [Flextock](https://lemstudio.co/yc-companies/flextock-22989) — **Flextock** · YC Winter 2021 · B2B, Supply Chain and Logistics · Active · team 10 · yc_id:22989 — Tech-enabled fulfillment provider in the Middle East & Africa
- [FlexWash](https://lemstudio.co/yc-companies/flexwash-27819) — **FlexWash** · YC Winter 2023 · B2B, Operations · Active · team 2 · yc_id:27819 — The operating system for the car wash industry.
- [Flick](https://lemstudio.co/yc-companies/flick-30884) — **Flick** · YC Fall 2025 · Consumer, Content · Active · team 2 · yc_id:30884 — We Handle AI. You Direct Films.
- [FlightCar](https://lemstudio.co/yc-companies/flightcar-501) — **FlightCar** · YC Winter 2013 · Consumer, Travel, Leisure and Tourism · Inactive · team 51 · yc_id:501 — FlightCar is the Airbnb of Car Rentals at Airports.
We allow people…
- [Flightcaster](https://lemstudio.co/yc-companies/flightcaster-256) — **Flightcaster** · YC Summer 2009 · Consumer, Travel, Leisure and Tourism · Acquired · team 2 · yc_id:256
- [Flightfox](https://lemstudio.co/yc-companies/flightfox-446) — **Flightfox** · YC Summer 2012 · B2B, Operations · Active · team 25 · yc_id:446 — A platform to plan, book and manage global and group travel.
- [Flike](https://lemstudio.co/yc-companies/flike-26238) — **Flike** · YC Winter 2022 · B2B · Inactive · team 8 · yc_id:26238 — Flike's AI crafts sales emails that convert
- [Flint](https://lemstudio.co/yc-companies/flint-22046) — **Flint** · YC Summer 2020 · Healthcare · Active · team 50 · yc_id:22046 — Securing Nurses for Your Future
- [Flint](https://lemstudio.co/yc-companies/flint-28982) — **Flint** · YC Summer 2023 · Education · Active · team 18 · yc_id:28982 — Personalized learning built for schools
- [Flinto](https://lemstudio.co/yc-companies/flinto-1806) — **Flinto** · YC Winter 2018 · Fintech, Payments · Acquired · yc_id:1806 — Mexico's digital wallet
- [Flip](https://lemstudio.co/yc-companies/flip-847) — **Flip** · YC Winter 2015 · Consumer, Apparel and Cosmetics · Active · yc_id:847 — Community-driven marketplace for sneakers.
- [Flirtey (SkyDrop)](https://lemstudio.co/yc-companies/flirtey-skydrop-966) — **Flirtey (SkyDrop)** · YC Summer 2015 · Industrials, Drones · Active · team 11 · yc_id:966 — Flirtey is the world’s first commercial drone delivery service and…
- [Flo](https://lemstudio.co/yc-companies/flo-12648) — **Flo** · YC Summer 2019 · B2B, Recruiting and Talent · Active · team 50 · yc_id:12648 — The talent platform for legal
- [Float](https://lemstudio.co/yc-companies/float-24530) — **Float** · YC Summer 2021 · Fintech · Active · team 2 · yc_id:24530 — Supply chain finance for consumer brands
- [Float Health](https://lemstudio.co/yc-companies/float-health-25974) — **Float Health** · YC Winter 2022 · Healthcare · Active · team 3 · yc_id:25974 — Float is the full-stack platform for Specialty Pharma
- [floatingpoint](https://lemstudio.co/yc-companies/floatingpoint-29400) — **floatingpoint** · YC Winter 2024 · B2B · Active · yc_id:29400 — Datasets and evals to push the frontier of visual intelligence.
- [Floatpays Inc](https://lemstudio.co/yc-companies/floatpays-inc-24540) — **Floatpays Inc** · YC Summer 2021 · Fintech · Active · team 15 · yc_id:24540 — On-demand wage access service built for the African market
- [Flock Safety](https://lemstudio.co/yc-companies/flock-safety-1616) — **Flock Safety** · YC Summer 2017 · B2B, Engineering, Product and Design · Active · team 1000 · yc_id:1616 — The first public safety operating system that eliminates crime.
- [Flockjay](https://lemstudio.co/yc-companies/flockjay-11924) — **Flockjay** · YC Winter 2019 · B2B, Sales · Active · team 10 · yc_id:11924 — AI-driven learning, content, and coaching for sales teams
- [Flok](https://lemstudio.co/yc-companies/flok-22774) — **Flok** · YC Winter 2021 · B2B · Acquired · team 5 · yc_id:22774 — End to end company retreat planning
- [Floobits](https://lemstudio.co/yc-companies/floobits-535) — **Floobits** · YC Summer 2013 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:535 — Real-time collaborative editing in the browser with support for…
- [Floot](https://lemstudio.co/yc-companies/floot-30729) — **Floot** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:30729 — The app platform inside Claude and ChatGPT.
- [Floracene](https://lemstudio.co/yc-companies/floracene-32193) — **Floracene** · YC Summer 2026 · Healthcare · Active · team 2 · yc_id:32193 — Vibecode + deploy HIPAA-compliant internal tools, no eng team needed
- [Florin](https://lemstudio.co/yc-companies/florin-33282) — **Florin** · YC Summer 2026 · Fintech, Insurance · Active · team 3 · yc_id:33282 — Florin is an AI-native insurance company that runs autonomously
- [Flott HQ](https://lemstudio.co/yc-companies/flott-hq-30480) — **Flott HQ** · YC Spring 2025 · B2B · Active · team 2 · yc_id:30480 — AI-native operating system for vehicle fleet management
- [Flotype](https://lemstudio.co/yc-companies/flotype-157) — **Flotype** · YC Winter 2011 · B2B, Retail · Inactive · team 2 · yc_id:157 — Third generation of web apps.
- [Flow](https://lemstudio.co/yc-companies/flow-12676) — **Flow** · YC Summer 2019 · B2B, Infrastructure · Inactive · team 3 · yc_id:12676 — Improve your browsing experience by staying organized and intentful
- [Flow Club](https://lemstudio.co/yc-companies/flow-club-23972) — **Flow Club** · YC Summer 2021 · B2B, Productivity · Active · team 6 · yc_id:23972 — Virtual Co-working Community
- [Flowbo](https://lemstudio.co/yc-companies/flowbo-24026) — **Flowbo** · YC Summer 2021 · Fintech, Consumer Finance · Inactive · team 2 · yc_id:24026 — Pipe for online businesses
- [Flowbot](https://lemstudio.co/yc-companies/flowbot-12851) — **Flowbot** · YC Summer 2019 · B2B, Infrastructure · Active · team 2 · yc_id:12851 — A natural language-driven programming assistant.
- [Flowdash](https://lemstudio.co/yc-companies/flowdash-13110) — **Flowdash** · YC Winter 2020 · B2B, Engineering, Product and Design · Acquired · team 5 · yc_id:13110 — Quickly build internal tools for your ops team's manual workflows
- [FlowDeploy](https://lemstudio.co/yc-companies/flowdeploy-25334) — **FlowDeploy** · YC Winter 2022 · B2B, Infrastructure · Inactive · team 3 · yc_id:25334 — Bioinformatics pipelines in the cloud
- [FlowEQ](https://lemstudio.co/yc-companies/floweq-23316) — **FlowEQ** · YC Winter 2021 · B2B, Productivity · Active · team 7 · yc_id:23316 — No-code workflow tool
- [Flower](https://lemstudio.co/yc-companies/flower-27838) — **Flower** · YC Winter 2023 · B2B · Active · team 20 · yc_id:27838 — Train AI on distributed data
- [FLOWER CO.](https://lemstudio.co/yc-companies/flower-co-11974) — **FLOWER CO.** · YC Winter 2019 · Consumer, Home and Personal · Active · team 30 · yc_id:11974 — FLOWER CO. sells weed on the internet.
- [Flowglad](https://lemstudio.co/yc-companies/flowglad-12974) — **Flowglad** · YC Winter 2020 · B2B · Active · team 7 · yc_id:12974 — Analyze, act, and automate across systems
- [FlowiseAI](https://lemstudio.co/yc-companies/flowiseai-29105) — **FlowiseAI** · YC Summer 2023 · B2B, Engineering, Product and Design · Acquired · team 5 · yc_id:29105 — Open source GenAI development platform
- [Flowly](https://lemstudio.co/yc-companies/flowly-24475) — **Flowly** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · team 3 · yc_id:24475 — Our mobile app reduces chronic pain for 100 million Americans. 
- [FlowManual](https://lemstudio.co/yc-companies/flowmanual-32525) — **FlowManual** · YC Summer 2026 · Real Estate and Construction, Construction · Active · team 2 · yc_id:32525 — AI for Construction's Back Office
- [Floworks](https://lemstudio.co/yc-companies/floworks-27873) — **Floworks** · YC Winter 2023 · B2B, Sales · Active · team 20 · yc_id:27873 — Hire the best AI Sales employees | AI SDR | AI RevOps | AI EA
- [flowscope](https://lemstudio.co/yc-companies/flowscope-31538) — **flowscope** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31538 — AI implementation firm that maps and automates business processes
- [Flowspace](https://lemstudio.co/yc-companies/flowspace-1658) — **Flowspace** · YC Summer 2017 · B2B, Supply Chain and Logistics · Active · team 48 · yc_id:1658 — The operating system powering ecommerce fulfillment
- [Flowtel](https://lemstudio.co/yc-companies/flowtel-30182) — **Flowtel** · YC Winter 2025 · B2B, Infrastructure · Active · team 5 · yc_id:30182 — The AI Voice agents for hotels
- [FloydHub](https://lemstudio.co/yc-companies/floydhub-1518) — **FloydHub** · YC Winter 2017 · B2B, Engineering, Product and Design · Inactive · team 4 · yc_id:1518 — ML Platform for developing, training and deploying ML models
- [Fluently](https://lemstudio.co/yc-companies/fluently-29452) — **Fluently** · YC Winter 2024 · Consumer · Active · team 2 · yc_id:29452 — Speaking coach for non-native English professionals
- [Fluid Markets](https://lemstudio.co/yc-companies/fluid-markets-27946) — **Fluid Markets** · YC Winter 2023 · Fintech, Banking and Exchange · Active · team 3 · yc_id:27946 — Invest in public companies KPIs
- [fluke](https://lemstudio.co/yc-companies/fluke-24292) — **fluke** · YC Summer 2021 · B2B · Active · team 26 · yc_id:24292 — fluke is a full-digital mobile operator in Brazil
- [Flutter](https://lemstudio.co/yc-companies/flutter-50) — **Flutter** · YC Winter 2012 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:50 — Flutter combined computer vision technology with the built-in webcams…
- [FlutterFlow](https://lemstudio.co/yc-companies/flutterflow-23301) — **FlutterFlow** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 55 · yc_id:23301 — Application Development Platform (Native Mobile + Web Apps)
- [Flutterwave](https://lemstudio.co/yc-companies/flutterwave-1284) — **Flutterwave** · YC Summer 2016 · Fintech, Payments · Active · team 500 · yc_id:1284 — Helping businesses make and accept payments from anywhere in Africa.
- [Flux](https://lemstudio.co/yc-companies/flux-12834) — **Flux** · YC Summer 2019 · Fintech, Payments · Active · team 9 · yc_id:12834 — Flux is building the payment network for alternative payments in…
- [Flux](https://lemstudio.co/yc-companies/flux-23645) — **Flux** · YC Winter 2021 · Fintech, Payments · Active · team 8 · yc_id:23645 — Cross border Payments infrastructure for internet businesses and…
- [Flux Auto](https://lemstudio.co/yc-companies/flux-auto-22708) — **Flux Auto** · YC Winter 2021 · Industrials, Manufacturing and Robotics · Active · team 56 · yc_id:22708 — Physical AI for Warehouses and Factories
- [Fly.io](https://lemstudio.co/yc-companies/fly-io-13175) — **Fly.io** · YC Winter 2020 · B2B, Infrastructure · Active · team 48 · yc_id:13175 — Run full stack apps close to your users.
- [FlyCode](https://lemstudio.co/yc-companies/flycode-26901) — **FlyCode** · YC Summer 2022 · Fintech · Active · team 7 · yc_id:26901 — Recover failed subscription payments to increase retention and LTV
- [Flyflow](https://lemstudio.co/yc-companies/flyflow-29637) — **Flyflow** · YC Summer 2024 · B2B, Sales · Inactive · team 2 · yc_id:29637 — The easiest way to find high-quality sales leads
- [Flytenow](https://lemstudio.co/yc-companies/flytenow-672) — **Flytenow** · YC Summer 2014 · Consumer, Travel, Leisure and Tourism · Inactive · team 3 · yc_id:672 — Ride sharing for small planes
- [Flywheel AI](https://lemstudio.co/yc-companies/flywheel-ai-30771) — **Flywheel AI** · YC Summer 2025 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:30771 — Waymo for excavators
- [Foaster](https://lemstudio.co/yc-companies/foaster-31488) — **Foaster** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31488 — The AI-native McKinsey
- [Fobo](https://lemstudio.co/yc-companies/fobo-101) — **Fobo** · YC Summer 2011 · Consumer, Home and Personal · Acquired · team 2 · yc_id:101 — Sell to people nearby.
- [Focal](https://lemstudio.co/yc-companies/focal-29416) — **Focal** · YC Winter 2024 · Consumer, Content · Acquired · team 2 · yc_id:29416 — AI video creation tool for TV shows and movies
- [Focal Systems](https://lemstudio.co/yc-companies/focal-systems-999) — **Focal Systems** · YC Winter 2016 · B2B, Retail · Active · team 170 · yc_id:999 — Building the Operating System for B&M Retail using Deep Learning
- [Fogbender](https://lemstudio.co/yc-companies/fogbender-25947) — **Fogbender** · YC Winter 2022 · B2B · Active · team 6 · yc_id:25947 — Customer support tool purpose-built for companies that sell APIs
- [FollowUpThen](https://lemstudio.co/yc-companies/followupthen-1703) — **FollowUpThen** · YC Summer 2017 · B2B, Productivity · Active · team 1 · yc_id:1703 — FollowUpThen is an email-based personal assistant that sends you…
- [Fond](https://lemstudio.co/yc-companies/fond-51) — **Fond** · YC Winter 2012 · B2B, Human Resources · Acquired · team 51 · yc_id:51 — Rewards and recognition SaaS for HR leaders
- [Fondeadora](https://lemstudio.co/yc-companies/fondeadora-13495) — **Fondeadora** · YC Winter 2020 · Fintech, Banking and Exchange · Active · team 160 · yc_id:13495 — We are connecting every single Mexican to the financial system.
- [Fondo](https://lemstudio.co/yc-companies/fondo-1744) — **Fondo** · YC Winter 2018 · B2B, Finance and Accounting · Active · team 80 · yc_id:1744 — Bookkeeping, tax, & tax credits on autopilot for 2,000+ startups
- [Font Awesome](https://lemstudio.co/yc-companies/font-awesome-943) — **Font Awesome** · YC Summer 2015 · B2B, Engineering, Product and Design · Active · team 17 · yc_id:943 — Icons and social logos for your website.
- [FoodCourt](https://lemstudio.co/yc-companies/foodcourt-27147) — **FoodCourt** · YC Summer 2022 · Consumer, Food and Beverage · Active · team 80 · yc_id:27147 — Virtual Restaurants & Stores for Africa
- [Foodoro](https://lemstudio.co/yc-companies/foodoro-269) — **Foodoro** · YC Winter 2009 · Consumer, Food and Beverage · Inactive · team 11 · yc_id:269
- [Forage](https://lemstudio.co/yc-companies/forage-12002) — **Forage** · YC Winter 2019 · B2B, Recruiting and Talent · Acquired · team 65 · yc_id:12002 — Online job simulations for companies to train, and then hire, students
- [Forage](https://lemstudio.co/yc-companies/forage-24158) — **Forage** · YC Summer 2021 · Fintech, Payments · Active · team 66 · yc_id:24158 — Payments powering people
- [Forage Mail](https://lemstudio.co/yc-companies/forage-mail-24408) — **Forage Mail** · YC Summer 2021 · Consumer · Inactive · team 4 · yc_id:24408 — AI that solves email overwhelm. Not another mail app.
- [Forcyte Biotechnologies](https://lemstudio.co/yc-companies/forcyte-biotechnologies-23511) — **Forcyte Biotechnologies** · YC Winter 2021 · Healthcare, Diagnostics · Inactive · team 5 · yc_id:23511 — Discover drugs that control how much cells "squeeze" to treat disease
- [Foreman](https://lemstudio.co/yc-companies/foreman-31243) — **Foreman** · YC Winter 2026 · Real Estate and Construction · Active · team 2 · yc_id:31243 — Keeping contractors on the job site, not behind a desk.
- [Forerunner AI](https://lemstudio.co/yc-companies/forerunner-ai-30110) — **Forerunner AI** · YC Fall 2024 · Industrials, Aviation and Space · Active · team 2 · yc_id:30110 — AI that gets aircraft flying faster
- [Foresight](https://lemstudio.co/yc-companies/foresight-30737) — **Foresight** · YC Spring 2026 · B2B, Analytics · Active · team 2 · yc_id:30737 — Consumer simulations for CPG market research
- [Forever Labs](https://lemstudio.co/yc-companies/forever-labs-1696) — **Forever Labs** · YC Summer 2017 · Healthcare, Therapeutics · Active · team 12 · yc_id:1696 — We bank your stem cells to help you live healthier, longer.
- [Foreword](https://lemstudio.co/yc-companies/foreword-21895) — **Foreword** · YC Summer 2020 · Education · Inactive · team 2 · yc_id:21895 — A marketplace for live, online workshops for professionals
- [Forge](https://lemstudio.co/yc-companies/forge-29499) — **Forge** · YC Winter 2024 · B2B, Supply Chain and Logistics · Active · team 7 · yc_id:29499 — AI native freight forwarder and customs broker
- [Forge Automation](https://lemstudio.co/yc-companies/forge-automation-30305) — **Forge Automation** · YC Winter 2025 · Industrials, Manufacturing and Robotics · Active · team 21 · yc_id:30305 — Software Enabled CNC Parts Supplier
- [Forge Rewards](https://lemstudio.co/yc-companies/forge-rewards-29519) — **Forge Rewards** · YC Winter 2024 · B2B · Active · team 5 · yc_id:29519 — Starbucks app for restaurants
- [Forge Robotics](https://lemstudio.co/yc-companies/forge-robotics-30991) — **Forge Robotics** · YC Fall 2025 · Industrials, Manufacturing and Robotics · Active · team 1 · yc_id:30991 — A robotics intelligence system for metal fabrication
- [Formal](https://lemstudio.co/yc-companies/formal-22079) — **Formal** · YC Summer 2020 · B2B · Active · team 10 · yc_id:22079 — Take control of your data in real-time.
- [Formance](https://lemstudio.co/yc-companies/formance-24379) — **Formance** · YC Summer 2021 · B2B · Active · team 33 · yc_id:24379 — Open Source Infrastructure for the Financial Internet
- [Formula Insight](https://lemstudio.co/yc-companies/formula-insight-29965) — **Formula Insight** · YC Summer 2024 · B2B · Active · team 2 · yc_id:29965 — Help Institutional Investors manage, track & query their Excel models
- [Fort](https://lemstudio.co/yc-companies/fort-31239) — **Fort** · YC Winter 2026 · Consumer, Consumer Electronics · Active · team 4 · yc_id:31239 — Strength Tracking Wearable
- [Fortuna Health](https://lemstudio.co/yc-companies/fortuna-health-28935) — **Fortuna Health** · YC Summer 2023 · Healthcare, Healthcare IT · Active · team 29 · yc_id:28935 — TurboTax for Medicaid
- [Forum](https://lemstudio.co/yc-companies/forum-31204) — **Forum** · YC Winter 2026 · Fintech · Active · team 2 · yc_id:31204 — The first exchange to trade on attention.
- [Forward](https://lemstudio.co/yc-companies/forward-35094) — **Forward** · YC Fall 2026 · B2B · Active · team 5 · yc_id:35094 — Unifying Global Private Credit
- [Foster](https://lemstudio.co/yc-companies/foster-23328) — **Foster** · YC Winter 2021 · Consumer, Home and Personal · Active · team 15 · yc_id:23328 — A better way to write.
- [Foundation](https://lemstudio.co/yc-companies/foundation-29112) — **Foundation** · YC Summer 2023 · Real Estate and Construction, Housing and Real Estate · Active · team 4 · yc_id:29112 — Shopify for Homebuilders
- [Foundation Industries](https://lemstudio.co/yc-companies/foundation-industries-30560) — **Foundation Industries** · YC Spring 2025 · Industrials · Active · team 5 · yc_id:30560 — We supply hard tech companies with critical components.
- [Fountain](https://lemstudio.co/yc-companies/fountain-925) — **Fountain** · YC Summer 2015 · B2B, Recruiting and Talent · Active · team 200 · yc_id:925 — High volume hiring made simple
- [Fountain9](https://lemstudio.co/yc-companies/fountain9-22714) — **Fountain9** · YC Winter 2021 · B2B, Retail · Acquired · team 8 · yc_id:22714 — Helping food brands and retailers reduce food wastage
- [Four Growers](https://lemstudio.co/yc-companies/four-growers-2005) — **Four Growers** · YC Summer 2018 · Industrials, Agriculture · Active · team 14 · yc_id:2005 — Robots that feed the world - robotic harvesting and analytics
- [Foxpass](https://lemstudio.co/yc-companies/foxpass-894) — **Foxpass** · YC Summer 2015 · B2B, Security · Acquired · team 10 · yc_id:894 — Making enterprise security practices available for all companies.
- [Fractal Labs](https://lemstudio.co/yc-companies/fractal-labs-29274) — **Fractal Labs** · YC Winter 2024 · Consumer · Active · team 4 · yc_id:29274
- [Fractional](https://lemstudio.co/yc-companies/fractional-22751) — **Fractional** · YC Winter 2021 · Fintech · Active · team 10 · yc_id:22751 — The place where motivated investors and entrepreneurs co-own together.
- [Fragment](https://lemstudio.co/yc-companies/fragment-29021) — **Fragment** · YC Summer 2023 · B2B, Operations · Acquired · team 2 · yc_id:29021 — Turn manual operations into scalable processes
- [Framebase](https://lemstudio.co/yc-companies/framebase-406) — **Framebase** · YC Summer 2012 · Consumer, Content · Inactive · team 2 · yc_id:406 — API for video.
- [Framed Data](https://lemstudio.co/yc-companies/framed-data-646) — **Framed Data** · YC Winter 2014 · B2B, Analytics · Acquired · team 2 · yc_id:646 — Predicted churn for enterprises. (Acquired by Block)
- [Framewise Health](https://lemstudio.co/yc-companies/framewise-health-31553) — **Framewise Health** · YC Spring 2026 · Healthcare · Active · team 2 · yc_id:31553 — AI-native patient engagement
- [Freebuff](https://lemstudio.co/yc-companies/freebuff-30063) — **Freebuff** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:30063 — The free coding agent
- [Freeport Markets](https://lemstudio.co/yc-companies/freeport-markets-30981) — **Freeport Markets** · YC Fall 2025 · Fintech, Consumer Finance · Active · team 3 · yc_id:30981 — Trade Anything
- [Freesolo](https://lemstudio.co/yc-companies/freesolo-30462) — **Freesolo** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:30462 — Product Native Models
- [Freestyle](https://lemstudio.co/yc-companies/freestyle-29976) — **Freestyle** · YC Summer 2024 · B2B, Infrastructure · Active · team 5 · yc_id:29976 — The most powerful sandboxes for AI Agents
- [Freestyle](https://lemstudio.co/yc-companies/freestyle-30116) — **Freestyle** · YC Fall 2024 · Consumer · Active · team 3 · yc_id:30116 — The AI Assistant for Gmail
- [Frekil](https://lemstudio.co/yc-companies/frekil-30399) — **Frekil** · YC Spring 2025 · Healthcare · Active · team 2 · yc_id:30399 — RWE Generation in minutes
- [Fresco](https://lemstudio.co/yc-companies/fresco-30089) — **Fresco** · YC Fall 2024 · Real Estate and Construction, Construction · Active · team 2 · yc_id:30089 — AI copilot for construction estimators
- [Fresh Factory](https://lemstudio.co/yc-companies/fresh-factory-26267) — **Fresh Factory** · YC Winter 2022 · B2B, Supply Chain and Logistics · Active · team 100 · yc_id:26267 — Smart Cold Chain Fulfillment Platform
- [Freshpaint](https://lemstudio.co/yc-companies/freshpaint-12845) — **Freshpaint** · YC Summer 2019 · B2B, Infrastructure · Active · team 120 · yc_id:12845 — Customer data collection, safeguarding, & activation for healthcare
- [Freshplum](https://lemstudio.co/yc-companies/freshplum-70) — **Freshplum** · YC Summer 2011 · B2B, Analytics · Acquired · team 8 · yc_id:70 — Analytics with action
- [Freterium](https://lemstudio.co/yc-companies/freterium-24446) — **Freterium** · YC Summer 2021 · B2B, Supply Chain and Logistics · Active · team 21 · yc_id:24446 — Real-Time Collaborative Transport Management Platform
- [FREY](https://lemstudio.co/yc-companies/frey-1904) — **FREY** · YC Summer 2018 · Consumer, Apparel and Cosmetics · Inactive · team 3 · yc_id:1904 — FREY is a line of exceptional laundry and clothing care products.…
- [Freya](https://lemstudio.co/yc-companies/freya-30802) — **Freya** · YC Summer 2025 · Fintech · Active · team 14 · yc_id:30802 — Voice AI for Enterprises
- [Fridge](https://lemstudio.co/yc-companies/fridge-206) — **Fridge** · YC Summer 2010 · Consumer, Social · Acquired · team 2 · yc_id:206 — Disposable social networks.
- [Frigade](https://lemstudio.co/yc-companies/frigade-27852) — **Frigade** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:27852 — AI-powered product assistance for modern software teams
- [Friz](https://lemstudio.co/yc-companies/friz-23415) — **Friz** · YC Winter 2021 · Consumer, Job and Career Services · Acquired · team 4 · yc_id:23415 — AI Social Media Manager
- [Frizzle](https://lemstudio.co/yc-companies/frizzle-30655) — **Frizzle** · YC Summer 2025 · Education · Active · team 2 · yc_id:30655 — AI Grading for Teachers
- [Frogmetrics](https://lemstudio.co/yc-companies/frogmetrics-286) — **Frogmetrics** · YC Summer 2008 · B2B, Retail · Inactive · team 2 · yc_id:286
- [Front](https://lemstudio.co/yc-companies/front-727) — **Front** · YC Summer 2014 · B2B, Productivity · Active · team 385 · yc_id:727 — Customer communications hub for building strong relationships
- [Frontier Computing](https://lemstudio.co/yc-companies/frontier-computing-30923) — **Frontier Computing** · YC Summer 2026 · Industrials · Active · team 3 · yc_id:30923 — Frontier grows scalable biological brains as an ML training substrate
- [FrontPage](https://lemstudio.co/yc-companies/frontpage-24038) — **FrontPage** · YC Summer 2021 · Fintech, Asset Management · Active · team 5 · yc_id:24038 — Community for 100M Indian Financial Market Traders & Investors
- [Frontrunner](https://lemstudio.co/yc-companies/frontrunner-37273) — **Frontrunner** · YC Fall 2026 · B2B, Sales · Active · team 2 · yc_id:37273 — Cursor for GTM
- [Frubana Inc](https://lemstudio.co/yc-companies/frubana-inc-12264) — **Frubana Inc** · YC Winter 2019 · B2B, Supply Chain and Logistics · Inactive · team 384 · yc_id:12264 — The everything store for restaurants in LATAM.
- [Fuchsia](https://lemstudio.co/yc-companies/fuchsia-31102) — **Fuchsia** · YC Spring 2026 · B2B · Active · team 3 · yc_id:31102 — Vanta for hardware
- [Fuell](https://lemstudio.co/yc-companies/fuell-25722) — **Fuell** · YC Winter 2022 · B2B, Finance and Accounting · Acquired · team 23 · yc_id:25722 — Fuell is a leading Expense Management solution that modernizes…
- [Fulcrum](https://lemstudio.co/yc-companies/fulcrum-30688) — **Fulcrum** · YC Summer 2025 · B2B, Analytics · Active · team 2 · yc_id:30688 — The agentic debugger for AI systems
- [FullSeam](https://lemstudio.co/yc-companies/fullseam-31048) — **FullSeam** · YC Winter 2026 · B2B, Finance and Accounting · Active · team 3 · yc_id:31048 — AI agents for corporate accounting teams
- [Fullstack Academy](https://lemstudio.co/yc-companies/fullstack-academy-397) — **Fullstack Academy** · YC Summer 2012 · Education · Acquired · team 220 · yc_id:397 — Pioneer in immersive code education. Acquired by Zovio (NASDAQ: ZVO)…
- [Function of Beauty](https://lemstudio.co/yc-companies/function-of-beauty-1037) — **Function of Beauty** · YC Winter 2016 · Consumer, Apparel and Cosmetics · Active · team 300 · yc_id:1037 — Customizable beauty for hair, skin, and body care products.
- [FunctionUp (FanPlay)](https://lemstudio.co/yc-companies/functionup-fanplay-22788) — **FunctionUp (FanPlay)** · YC Winter 2021 · Education · Acquired · team 20 · yc_id:22788 — A skill-tech platform that runs placement bootcamps
- [FundersClub](https://lemstudio.co/yc-companies/fundersclub-415) — **FundersClub** · YC Summer 2012 · Fintech, Asset Management · Active · team 5 · yc_id:415 — Online VC
- [Furmacy](https://lemstudio.co/yc-companies/furmacy-22695) — **Furmacy** · YC Winter 2021 · Healthcare, Healthcare IT · Acquired · team 5 · yc_id:22695 — Digital e-prescribing software for veterinarians.
- [FurtherAI](https://lemstudio.co/yc-companies/furtherai-29290) — **FurtherAI** · YC Winter 2024 · B2B · Active · team 36 · yc_id:29290 — AI Workforce for the Insurance Industry
- [Fuse](https://lemstudio.co/yc-companies/fuse-12073) — **Fuse** · YC Winter 2019 · Fintech · Inactive · team 7 · yc_id:12073 — Unified API for financial data aggregators.
- [Fuse](https://lemstudio.co/yc-companies/fuse-29349) — **Fuse** · YC Summer 2024 · Healthcare · Active · team 3 · yc_id:29349 — AI-powered workflow automation for US healthcare providers.
- [Fuse AI](https://lemstudio.co/yc-companies/fuse-ai-30301) — **Fuse AI** · YC Winter 2025 · B2B, Sales · Active · team 12 · yc_id:30301 — Agentic Sales Platform
- [FUTURA](https://lemstudio.co/yc-companies/futura-13488) — **FUTURA** · YC Winter 2020 · Healthcare, Consumer Health and Wellness · Active · team 115 · yc_id:13488 — Digitizing dentistry in LatAm
- [Future Fields](https://lemstudio.co/yc-companies/future-fields-22305) — **Future Fields** · YC Summer 2020 · Healthcare, Industrial Bio · Active · team 34 · yc_id:22305 — We make unmakeable proteins with radical advanced biomanufacturing. 
- [FutureAdvisor](https://lemstudio.co/yc-companies/futureadvisor-197) — **FutureAdvisor** · YC Summer 2010 · Fintech, Consumer Finance · Acquired · team 51 · yc_id:197 — The online financial management service for everyone.
- [FutureClinic](https://lemstudio.co/yc-companies/futureclinic-30109) — **FutureClinic** · YC Fall 2024 · Healthcare · Active · team 4 · yc_id:30109 — Personal doctors through chat
- [Futureleague](https://lemstudio.co/yc-companies/futureleague-584) — **Futureleague** · YC Winter 2014 · Consumer, Home and Personal · Inactive · team 10 · yc_id:584 — Engineering and Programming for Kids 6-12 with a focus on creativity,…
- [Fuzzbuzz](https://lemstudio.co/yc-companies/fuzzbuzz-11921) — **Fuzzbuzz** · YC Winter 2019 · B2B, Infrastructure · Acquired · yc_id:11921 — Fuzzing as a Service
- [Fuzzwich](https://lemstudio.co/yc-companies/fuzzwich-340) — **Fuzzwich** · YC Summer 2007 · Consumer, Content · Inactive · team 2 · yc_id:340
- [Fynn](https://lemstudio.co/yc-companies/fynn-12631) — **Fynn** · YC Summer 2019 · Fintech, Credit and Lending · Active · team 26 · yc_id:12631 — SoFi for trade students
- [G LNK](https://lemstudio.co/yc-companies/g-lnk-30270) — **G LNK** · YC Winter 2025 · B2B · Active · team 2 · yc_id:30270 — Simplifying Collaboration for Healthcare Organizations & Professionals
- [Gaiascope](https://lemstudio.co/yc-companies/gaiascope-12705) — **Gaiascope** · YC Summer 2019 · B2B · Acquired · team 9 · yc_id:12705 — SaaS that helps renewables & energy storage operate more profitably
- [gaiia](https://lemstudio.co/yc-companies/gaiia-22625) — **gaiia** · YC Winter 2021 · B2B, Operations · Active · team 100 · yc_id:22625 — all-in-one operating system (OS) for telcos
- [Gainful](https://lemstudio.co/yc-companies/gainful-1819) — **Gainful** · YC Winter 2018 · Consumer, Food and Beverage · Active · team 30 · yc_id:1819 — Personalized Performance Nutrition
- [Gait](https://lemstudio.co/yc-companies/gait-30028) — **Gait** · YC Fall 2024 · B2B · Inactive · team 2 · yc_id:30028 — Building Dev Infra for AI Software Engineers
- [Galactic Resource Utilization Space, Inc. (GRU Space)](https://lemstudio.co/yc-companies/galactic-resource-utilization-space-inc-gru-space-30635) — **Galactic Resource Utilization Space, Inc. (GRU Space)** · YC Winter 2026 · Industrials, Aviation and Space · Active · team 5 · yc_id:30635 — Moon Hotel -> The Intergalactic Construction Company of Earth
- [Galaxy](https://lemstudio.co/yc-companies/galaxy-23305) — **Galaxy** · YC Winter 2021 · B2B, Infrastructure · Inactive · team 2 · yc_id:23305
- [Gale](https://lemstudio.co/yc-companies/gale-30258) — **Gale** · YC Winter 2025 · B2B, Legal · Active · team 3 · yc_id:30258 — Fast and Data-Driven Immigration Platform
- [Galen AI](https://lemstudio.co/yc-companies/galen-ai-30422) — **Galen AI** · YC Spring 2025 · Healthcare, Consumer Health and Wellness · Acquired · team 2 · yc_id:30422 — Personal AI healthcare agent, powered by clinical and wearable data.
- [Galini](https://lemstudio.co/yc-companies/galini-30018) — **Galini** · YC Fall 2024 · B2B · Active · team 2 · yc_id:30018 — Compliance guardrails-as-a-service for AI applications
- [Gamador](https://lemstudio.co/yc-companies/gamador-228) — **Gamador** · YC Winter 2010 · Consumer, Gaming · Inactive · team 2 · yc_id:228
- [Gamebytes](https://lemstudio.co/yc-companies/gamebytes-12546) — **Gamebytes** · YC Summer 2019 · Consumer, Gaming · Active · team 4 · yc_id:12546 — Chat game universe
- [Gameday](https://lemstudio.co/yc-companies/gameday-1606) — **Gameday** · YC Summer 2017 · Consumer, Gaming · Inactive · team 2 · yc_id:1606 — Play fantasy sports with friends on Facebook Messenger
- [Gamelynx](https://lemstudio.co/yc-companies/gamelynx-1681) — **Gamelynx** · YC Summer 2017 · Consumer, Gaming · Inactive · team 5 · yc_id:1681 — Easily watchable cross-platform competitive games.
- [GamerPay](https://lemstudio.co/yc-companies/gamerpay-24830) — **GamerPay** · YC Summer 2021 · Consumer, Gaming · Acquired · team 6 · yc_id:24830 — We are the marketplace for trading gaming skins & assets without scams
- [Gamgee](https://lemstudio.co/yc-companies/gamgee-33016) — **Gamgee** · YC Summer 2026 · Healthcare, Drug Discovery and Delivery · Active · team 2 · yc_id:33016 — Curing cancer. Starting with dogs.
- [Gander](https://lemstudio.co/yc-companies/gander-30099) — **Gander** · YC Fall 2024 · B2B, Operations · Acquired · team 7 · yc_id:30099 — Automation System for Global Aviation
- [Gantto](https://lemstudio.co/yc-companies/gantto-190) — **Gantto** · YC Summer 2010 · B2B, Productivity · Inactive · yc_id:190 — Better Microsoft Project.
- [Garage](https://lemstudio.co/yc-companies/garage-29269) — **Garage** · YC Winter 2024 · B2B · Active · team 35 · yc_id:29269 — Marketplace for America's most essential assets
- [garten](https://lemstudio.co/yc-companies/garten-1237) — **garten** · YC Summer 2016 · B2B, Productivity · Acquired · team 201 · yc_id:1237 — Creating workplace wellbeing.
- [Gas Pos](https://lemstudio.co/yc-companies/gas-pos-13573) — **Gas Pos** · YC Winter 2020 · Fintech, Payments · Active · team 15 · yc_id:13573 — Modern Point of Sale for Gas Stations and Truck Stops
- [Gather](https://lemstudio.co/yc-companies/gather-21789) — **Gather** · YC Summer 2020 · B2B, Human Resources · Acquired · team 6 · yc_id:21789 — Project management software for People Operations
- [Gather](https://lemstudio.co/yc-companies/gather-22571) — **Gather** · YC Summer 2019 · Consumer, Social · Active · team 60 · yc_id:22571 — Building a better way to meet online.
- [Gauge](https://lemstudio.co/yc-companies/gauge-29693) — **Gauge** · YC Summer 2024 · B2B, Marketing · Active · team 5 · yc_id:29693 — Gauge helps you get recommended and implemented by AI.
- [Gauss](https://lemstudio.co/yc-companies/gauss-25613) — **Gauss** · YC Winter 2022 · Fintech, Consumer Finance · Active · team 16 · yc_id:25613 — AI agent that helps consumers lower the cost of debt automatically
- [GazeHawk](https://lemstudio.co/yc-companies/gazehawk-193) — **GazeHawk** · YC Summer 2010 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:193 — Eyetracking using webcams.
- [GBatteries](https://lemstudio.co/yc-companies/gbatteries-639) — **GBatteries** · YC Winter 2014 · Industrials, Climate · Active · team 25 · yc_id:639 — Enabling li-ion batteries to charge ultra fast without compromising…
- [GBrain](https://lemstudio.co/yc-companies/gbrain-31572) — **GBrain** · YC Spring 2026 · B2B, Productivity · Active · team 3 · yc_id:31572 — A personal or team assistant that works while you sleep
- [Gecko Robotics](https://lemstudio.co/yc-companies/gecko-robotics-1051) — **Gecko Robotics** · YC Winter 2016 · Industrials, Manufacturing and Robotics · Active · team 230 · yc_id:1051 — AI + Robotics for the Built World
- [Gecko Security](https://lemstudio.co/yc-companies/gecko-security-30087) — **Gecko Security** · YC Fall 2024 · B2B, Security · Active · team 2 · yc_id:30087 — The AI Security Engineer to Find and Fix Vulnerabilities 
- [Gem](https://lemstudio.co/yc-companies/gem-1694) — **Gem** · YC Summer 2017 · B2B, Recruiting and Talent · Acquired · team 200 · yc_id:1694 — Talent engagement platform
- [Gemnote](https://lemstudio.co/yc-companies/gemnote-871) — **Gemnote** · YC Summer 2015 · B2B, Office Management · Active · team 40 · yc_id:871 — Gemnote is the easiest way to design, create and send custom products.
- [GEn1E Lifesciences](https://lemstudio.co/yc-companies/gen1e-lifesciences-12614) — **GEn1E Lifesciences** · YC Summer 2019 · Healthcare, Therapeutics · Active · yc_id:12614 — AI platform accelerating therapies for rare & inflammatory diseases.
- [Genecis Bio](https://lemstudio.co/yc-companies/genecis-bio-12581) — **Genecis Bio** · YC Winter 2020 · Industrials, Manufacturing and Robotics · Active · team 30 · yc_id:12581 — Makes guilt-free plastics from food waste
- [General Astronautics](https://lemstudio.co/yc-companies/general-astronautics-30973) — **General Astronautics** · YC Winter 2026 · Industrials, Aviation and Space · Active · team 2 · yc_id:30973 — Robotics for Space R&D
- [General Aviation](https://lemstudio.co/yc-companies/general-aviation-31501) — **General Aviation** · YC Spring 2026 · Industrials, Aviation and Space · Active · yc_id:31501 — Fixing air traffic control with remote towers
- [General Instinct](https://lemstudio.co/yc-companies/general-instinct-31456) — **General Instinct** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:31456 — Inference Infrastructure for Physical AI
- [General Learning](https://lemstudio.co/yc-companies/general-learning-30053) — **General Learning** · YC Fall 2024 · Education · Active · team 35 · yc_id:30053 — AI tutors for students.
- [General Legal](https://lemstudio.co/yc-companies/general-legal-31240) — **General Legal** · YC Winter 2026 · B2B, Legal · Active · team 25 · yc_id:31240 — Elite AI law firm for high growth companies
- [General Proximity](https://lemstudio.co/yc-companies/general-proximity-13216) — **General Proximity** · YC Winter 2020 · Healthcare, Drug Discovery and Delivery · Active · team 15 · yc_id:13216 — The next generation of induced-proximity medicines.
- [General Trajectory](https://lemstudio.co/yc-companies/general-trajectory-30276) — **General Trajectory** · YC Winter 2025 · Industrials, Manufacturing and Robotics · Active · team 1 · yc_id:30276 — AI for the physical world
- [Genius](https://lemstudio.co/yc-companies/genius-75) — **Genius** · YC Summer 2011 · Consumer, Content · Acquired · team 101 · yc_id:75 — Music Intelligence
- [Genomelink](https://lemstudio.co/yc-companies/genomelink-24574) — **Genomelink** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · team 15 · yc_id:24574 — DNA App Store
- [Genuity](https://lemstudio.co/yc-companies/genuity-24575) — **Genuity** · YC Summer 2021 · B2B · Active · team 31 · yc_id:24575 — SaaS Platform to manage IT and buy business software 
- [Georgette Packaging](https://lemstudio.co/yc-companies/georgette-packaging-1064) — **Georgette Packaging** · YC Winter 2016 · B2B, Supply Chain and Logistics · Inactive · team 15 · yc_id:1064 — Carbon neutral packaging for ambitious businesses.
- [Geosite](https://lemstudio.co/yc-companies/geosite-11931) — **Geosite** · YC Winter 2019 · B2B, Operations · Acquired · team 40 · yc_id:11931 — Geosite is an enterprise SaaS platform for spatial data.
- [Geostar](https://lemstudio.co/yc-companies/geostar-24345) — **Geostar** · YC Summer 2021 · B2B · Active · team 2 · yc_id:24345 — Geostar drives inbound for companies through search.
- [Gerald Technologies, Inc](https://lemstudio.co/yc-companies/gerald-technologies-inc-22702) — **Gerald Technologies, Inc** · YC Winter 2021 · Fintech · Active · team 12 · yc_id:22702 — Buy Now Pay Later + Cash Advance for Household Essentials
- [Gerostate Alpha](https://lemstudio.co/yc-companies/gerostate-alpha-2031) — **Gerostate Alpha** · YC Summer 2018 · Healthcare, Therapeutics · Inactive · team 6 · yc_id:2031 — Developing novel therapeutics for aging and chronic disease
- [GetAccept](https://lemstudio.co/yc-companies/getaccept-987) — **GetAccept** · YC Winter 2016 · B2B, Sales · Active · team 200 · yc_id:987 — Close deals faster. Digitally.
- [GETASAP](https://lemstudio.co/yc-companies/getasap-30598) — **GETASAP** · YC Summer 2025 · B2B, Supply Chain and Logistics · Active · team 30 · yc_id:30598 — AI-Native Fresh Produce Logistics
- [Getcho](https://lemstudio.co/yc-companies/getcho-30031) — **Getcho** · YC Fall 2024 · B2B, Supply Chain and Logistics · Active · team 3 · yc_id:30031 — The reliability platform for last-mile delivery
- [GetCrux](https://lemstudio.co/yc-companies/getcrux-29513) — **GetCrux** · YC Winter 2024 · B2B, Analytics · Active · team 9 · yc_id:29513 — AI Creative Strategist
- [GetDot](https://lemstudio.co/yc-companies/getdot-24390) — **GetDot** · YC Summer 2021 · B2B, Analytics · Active · team 6 · yc_id:24390 — Your AI Data Analyst
- [GetGoing](https://lemstudio.co/yc-companies/getgoing-463) — **GetGoing** · YC Summer 2012 · Consumer, Travel, Leisure and Tourism · Inactive · team 11 · yc_id:463 — We are building a "transparent opaque" airfare and hotel booking site…
- [GhostEye](https://lemstudio.co/yc-companies/ghosteye-30696) — **GhostEye** · YC Summer 2025 · B2B, Security · Active · team 6 · yc_id:30696 — Your always-on red team.
- [Giga](https://lemstudio.co/yc-companies/giga-29108) — **Giga** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 30 · yc_id:29108 — AI Support Agent for Enterprises.
- [Gigs](https://lemstudio.co/yc-companies/gigs-23389) — **Gigs** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 150 · yc_id:23389 — The OS for Embedded Telecom
- [Gigs Live](https://lemstudio.co/yc-companies/gigs-live-22673) — **Gigs Live** · YC Winter 2021 · Consumer · Inactive · team 3 · yc_id:22673 — Video publishing and monetization platform for creators and artists
- [Gigster](https://lemstudio.co/yc-companies/gigster-971) — **Gigster** · YC Summer 2015 · B2B, Engineering, Product and Design · Acquired · team 51 · yc_id:971 — Build and manage distributed teams
- [Gigwell](https://lemstudio.co/yc-companies/gigwell-1010) — **Gigwell** · YC Winter 2016 · B2B, Productivity · Active · team 12 · yc_id:1010 — Building the Operating System for the Concert & Live Events Industry.
- [Gilgamesh Pharmaceuticals](https://lemstudio.co/yc-companies/gilgamesh-pharmaceuticals-22334) — **Gilgamesh Pharmaceuticals** · YC Summer 2020 · Healthcare, Drug Discovery and Delivery · Active · team 15 · yc_id:22334 — Gilgamesh Pharmaceuticals, a Clinical stage biotechnology company…
- [GimBooks](https://lemstudio.co/yc-companies/gimbooks-22888) — **GimBooks** · YC Winter 2021 · B2B, Finance and Accounting · Active · team 16 · yc_id:22888 — GimBooks makes Bookkeeping Easy for small business owners
- [GIMO](https://lemstudio.co/yc-companies/gimo-26051) — **GIMO** · YC Winter 2022 · Fintech, Credit and Lending · Active · team 70 · yc_id:26051 — We help underbanked workers get paid before payday
- [Ginkgo Bioworks](https://lemstudio.co/yc-companies/ginkgo-bioworks-729) — **Ginkgo Bioworks** · YC Summer 2014 · Healthcare, Industrial Bio · Public · team 641 · yc_id:729 — Our mission is to make biology easier to engineer.
- [GitCafe](https://lemstudio.co/yc-companies/gitcafe-31592) — **GitCafe** · YC Summer 2026 · B2B, Infrastructure · Active · team 1 · yc_id:31592 — The Git forge for the next hundred billion commits
- [GitLab](https://lemstudio.co/yc-companies/gitlab-810) — **GitLab** · YC Winter 2015 · B2B, Engineering, Product and Design · Public · team 2000 · yc_id:810 — A complete DevOps platform delivered as a single application.
- [GitPrime](https://lemstudio.co/yc-companies/gitprime-1091) — **GitPrime** · YC Winter 2016 · B2B, Engineering, Product and Design · Acquired · team 110 · yc_id:1091 — Visibility and analytics for software development leaders.
- [GitStart](https://lemstudio.co/yc-companies/gitstart-12876) — **GitStart** · YC Summer 2019 · B2B, Engineering, Product and Design · Active · team 19 · yc_id:12876 — Pull Requests as a Service
- [GiveAway](https://lemstudio.co/yc-companies/giveaway-13509) — **GiveAway** · YC Winter 2020 · Consumer, Home and Personal · Active · team 1 · yc_id:13509 — Community driven marketplace for used things 
- [GiveCampus](https://lemstudio.co/yc-companies/givecampus-914) — **GiveCampus** · YC Summer 2015 · Education · Active · team 130 · yc_id:914 — The fundraising platform for schools.
- [Giveffect](https://lemstudio.co/yc-companies/giveffect-811) — **Giveffect** · YC Winter 2015 · B2B, Finance and Accounting · Active · yc_id:811 — Fundraising, Volunteer and Donor Management SaaS for nonprofits.
- [Givefront](https://lemstudio.co/yc-companies/givefront-29415) — **Givefront** · YC Winter 2024 · Fintech, Banking and Exchange · Active · team 6 · yc_id:29415 — Nonprofit Financial Management
- [GiveMeTap](https://lemstudio.co/yc-companies/givemetap-764) — **GiveMeTap** · YC Winter 2015 · Consumer, Home and Personal · Active · team 1 · yc_id:764 — We produce & sell stainless steel water bottles that enables people…
- [GiveSpark](https://lemstudio.co/yc-companies/givespark-66) — **GiveSpark** · YC Winter 2012 · B2B, Marketing · Inactive · team 1 · yc_id:66 — Givespark was a celebrity charity fundraising platform
- [Glade](https://lemstudio.co/yc-companies/glade-28938) — **Glade** · YC Summer 2023 · B2B · Active · team 3 · yc_id:28938 — Build games at the speed of thought
- [Glass Health](https://lemstudio.co/yc-companies/glass-health-27766) — **Glass Health** · YC Winter 2023 · Healthcare, Healthcare IT · Active · team 7 · yc_id:27766 — AI-Powered Clinical Decision Support & Ambient Scribing
- [Glassjar](https://lemstudio.co/yc-companies/glassjar-812) — **Glassjar** · YC Winter 2015 · Fintech, Consumer Finance · Inactive · team 2 · yc_id:812 — Clean app for check writing
- [Glasskube](https://lemstudio.co/yc-companies/glasskube-29586) — **Glasskube** · YC Summer 2024 · B2B, Infrastructure · Active · team 3 · yc_id:29586 — Ship self-hosted software with Distr
- [GlassMap](https://lemstudio.co/yc-companies/glassmap-118) — **GlassMap** · YC Summer 2011 · Consumer, Social · Acquired · team 11 · yc_id:118 — Location sharing. Acquired by Groupon in 2013.
- [Gleam](https://lemstudio.co/yc-companies/gleam-28974) — **Gleam** · YC Summer 2023 · B2B · Active · team 4 · yc_id:28974 — Automating Data Entry for Clinical Trials
- [Glen](https://lemstudio.co/yc-companies/glen-32226) — **Glen** · YC Summer 2026 · B2B, Productivity · Active · team 1 · yc_id:32226 — Institutional Learning Layer for Every Agent in Your Company
- [Glep](https://lemstudio.co/yc-companies/glep-25717) — **Glep** · YC Winter 2022 · Fintech, Banking and Exchange · Active · team 30 · yc_id:25717 — AI-Native Spend platform built for Real Estate businesses
- [Glide](https://lemstudio.co/yc-companies/glide-12256) — **Glide** · YC Winter 2019 · B2B, Engineering, Product and Design · Active · team 46 · yc_id:12256 — Glide turns spreadsheets into beautiful, intelligent apps.
- [Glide](https://lemstudio.co/yc-companies/glide-29123) — **Glide** · YC Summer 2023 · B2B, Infrastructure · Acquired · team 4 · yc_id:29123 — Crypto Deposits, Wallet Funding, and Pay-with-crypto Infra
- [Glider](https://lemstudio.co/yc-companies/glider-61) — **Glider** · YC Winter 2012 · B2B, Productivity · Inactive · team 2 · yc_id:61 — We filter distracting emails away from your inbox.
- [Glimmer](https://lemstudio.co/yc-companies/glimmer-29322) — **Glimmer** · YC Winter 2024 · B2B · Inactive · team 2 · yc_id:29322 — AI search for massive PDFs
- [Glimpse](https://lemstudio.co/yc-companies/glimpse-22218) — **Glimpse** · YC Summer 2020 · B2B, Retail · Active · team 52 · yc_id:22218 — Glimpse is the system of action for CPG retail operations
- [Glimpse](https://lemstudio.co/yc-companies/glimpse-13156) — **Glimpse** · YC Winter 2020 · Consumer, Social · Acquired · team 5 · yc_id:13156 — A social video chat.
- [Glimpse K12](https://lemstudio.co/yc-companies/glimpse-k12-1774) — **Glimpse K12** · YC Winter 2018 · Education · Acquired · team 6 · yc_id:1774 — Glimpse eliminates ineffective spending in schools.
- [Glio](https://lemstudio.co/yc-companies/glio-536) — **Glio** · YC Summer 2013 · Consumer, Apparel and Cosmetics · Inactive · team 2 · yc_id:536 — Amazon Marketplace for Latin America
- [Glisten AI](https://lemstudio.co/yc-companies/glisten-ai-13113) — **Glisten AI** · YC Winter 2020 · B2B, Engineering, Product and Design · Inactive · team 1 · yc_id:13113 — Glisten AI automatically categorizes and tags e-commerce product data.
- [Glitzi](https://lemstudio.co/yc-companies/glitzi-24264) — **Glitzi** · YC Summer 2021 · Consumer, Home and Personal · Active · team 33 · yc_id:24264 — At-home spa, beauty & grooming services marketplace for LatAm
- [Global Belly](https://lemstudio.co/yc-companies/global-belly-13206) — **Global Belly** · YC Winter 2020 · B2B, Retail · Inactive · team 2 · yc_id:13206 — Marketplace enabling social commerce for brands and content creators. 
- [Globe](https://lemstudio.co/yc-companies/globe-12273) — **Globe** · YC Winter 2019 · Fintech, Banking and Exchange · Active · team 20 · yc_id:12273 — coinbase for derivatives
- [GloGlo](https://lemstudio.co/yc-companies/gloglo-29341) — **GloGlo** · YC Winter 2024 · Consumer · Active · team 3 · yc_id:29341 — Curing and preventing type 1 diabetes
- [Glow Energy](https://lemstudio.co/yc-companies/glow-energy-25994) — **Glow Energy** · YC Winter 2022 · Industrials, Climate · Acquired · team 6 · yc_id:25994 — Unlocking Virtual Power Plants for rental properties
- [Glowing.io](https://lemstudio.co/yc-companies/glowing-io-1747) — **Glowing.io** · YC Winter 2018 · B2B · Active · team 11 · yc_id:1747 — Unified, enterprise messaging platform for leading brands of the world
- [Gluetrail](https://lemstudio.co/yc-companies/gluetrail-27818) — **Gluetrail** · YC Winter 2023 · B2B, Marketing · Inactive · team 2 · yc_id:27818 — Create step by step articles with screenshots and videos 10x faster
- [Go1](https://lemstudio.co/yc-companies/go1-944) — **Go1** · YC Summer 2015 · B2B, Human Resources · Active · team 650 · yc_id:944 — A learning platform that enables you to train your staff or customers.
- [GOAT Group](https://lemstudio.co/yc-companies/goat-group-168) — **GOAT Group** · YC Winter 2011 · Consumer, Apparel and Cosmetics · Active · team 1600 · yc_id:168 — Platform for the greatest products from the past, present and future.
- [Gobble](https://lemstudio.co/yc-companies/gobble-637) — **Gobble** · YC Winter 2014 · Consumer, Food and Beverage · Acquired · team 73 · yc_id:637 — Daily meal delivery, personalized to your tastes.
- [Gobillion](https://lemstudio.co/yc-companies/gobillion-23963) — **Gobillion** · YC Summer 2021 · Consumer · Inactive · team 10 · yc_id:23963 — Pinduoduo for India
- [GoBuild (fka Brick)](https://lemstudio.co/yc-companies/gobuild-fka-brick-22712) — **GoBuild (fka Brick)** · YC Winter 2021 · Fintech, Credit and Lending · Inactive · team 18 · yc_id:22712 — The payments solution for small scale construction. 
- [GoCardless](https://lemstudio.co/yc-companies/gocardless-98) — **GoCardless** · YC Summer 2011 · Fintech, Consumer Finance · Active · team 900 · yc_id:98 — We’re building the world’s bank payment network.
- [GoComm](https://lemstudio.co/yc-companies/gocomm-530) — **GoComm** · YC Summer 2013 · B2B, Productivity · Inactive · team 2 · yc_id:530 — Mobile communications platform for teams working on live events
- [Godela](https://lemstudio.co/yc-companies/godela-30559) — **Godela** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:30559 — AI Physics Engine to replace simulations and prototypes
- [GodHands](https://lemstudio.co/yc-companies/godhands-31378) — **GodHands** · YC Fall 2026 · B2B, Operations · Active · team 2 · yc_id:31378 — We reconstruct how employees actually work, so nothing breaks when…
- [goDutch](https://lemstudio.co/yc-companies/godutch-13337) — **goDutch** · YC Winter 2020 · Fintech, Payments · Inactive · team 10 · yc_id:13337 — Group payments product which lets people pay together at any offline…
- [GoGoGrandparent](https://lemstudio.co/yc-companies/gogograndparent-1264) — **GoGoGrandparent** · YC Summer 2016 · Consumer, Home and Personal · Active · team 50 · yc_id:1264 — A concierge service for seniors’ rides, meals, meds, home and more.
- [Gojiberry AI](https://lemstudio.co/yc-companies/gojiberry-ai-31426) — **Gojiberry AI** · YC Spring 2026 · B2B, Sales · Active · team 7 · yc_id:31426 — AI Go-To-Market agents for B2B teams
- [GoJom](https://lemstudio.co/yc-companies/gojom-25976) — **GoJom** · YC Winter 2022 · Real Estate and Construction · Active · team 140 · yc_id:25976 — One-stop-shop for Real Estate Solutions. 
- [Goldbelly](https://lemstudio.co/yc-companies/goldbelly-508) — **Goldbelly** · YC Winter 2013 · Consumer, Food and Beverage · Active · team 125 · yc_id:508 — Empowering restaurants and small food makers to ship nationwide.
- [Goldbridge](https://lemstudio.co/yc-companies/goldbridge-29161) — **Goldbridge** · YC Fall 2025 · Real Estate and Construction, Housing and Real Estate · Active · team 3 · yc_id:29161 — Ramp for Real Estate
- [Golf](https://lemstudio.co/yc-companies/golf-30407) — **Golf** · YC Spring 2025 · B2B, Security · Active · team 1 · yc_id:30407 — Agentic AI Security and Governance
- [GoLinks](https://lemstudio.co/yc-companies/golinks-11984) — **GoLinks** · YC Winter 2019 · B2B, Productivity · Active · team 70 · yc_id:11984 — Intuitive, easy-to-remember short links - powered by AI.
- [GoLorry](https://lemstudio.co/yc-companies/golorry-1052) — **GoLorry** · YC Winter 2016 · B2B, Supply Chain and Logistics · Active · team 30 · yc_id:1052 — Mobile marketplace for inter-city trucking in India
- [Golpo](https://lemstudio.co/yc-companies/golpo-30618) — **Golpo** · YC Summer 2025 · B2B, Productivity · Active · team 7 · yc_id:30618 — Create Whiteboard Explainer Videos with AI from a Prompt or Document
- [Gonddo](https://lemstudio.co/yc-companies/gonddo-22565) — **Gonddo** · YC Winter 2021 · B2B, Retail · Inactive · team 6 · yc_id:22565 — Wholesale marketplace for independent retailers buy & manage inventory
- [GoodCourse](https://lemstudio.co/yc-companies/goodcourse-27899) — **GoodCourse** · YC Winter 2023 · B2B · Inactive · team 8 · yc_id:27899 — The TikTok style corporate training platform
- [Goodcover](https://lemstudio.co/yc-companies/goodcover-1690) — **Goodcover** · YC Summer 2017 · Fintech, Insurance · Active · team 1 · yc_id:1690 — Digital Co-op Renters Insurance = half the price, better coverage.
- [goodfin](https://lemstudio.co/yc-companies/goodfin-25745) — **goodfin** · YC Winter 2022 · Fintech · Active · team 8 · yc_id:25745 — Building the next generation of wealth
- [Goodkind](https://lemstudio.co/yc-companies/goodkind-24005) — **Goodkind** · YC Summer 2021 · B2B, Sales · Acquired · team 30 · yc_id:24005 — Student communications platform for higher education
- [Goodly](https://lemstudio.co/yc-companies/goodly-2008) — **Goodly** · YC Summer 2018 · B2B, Human Resources · Inactive · team 5 · yc_id:2008 — Student loan repayment as an employee benefit. 
- [Goodybag](https://lemstudio.co/yc-companies/goodybag-1025) — **Goodybag** · YC Winter 2016 · B2B, Office Management · Acquired · team 11 · yc_id:1025 — An online tool for companies to order food from restaurants and…
- [Goosebump](https://lemstudio.co/yc-companies/goosebump-1653) — **Goosebump** · YC Summer 2017 · Consumer, Social · Inactive · team 2 · yc_id:1653 — Find the best electronic music events in a single message.
- [Gooseworks](https://lemstudio.co/yc-companies/gooseworks-27843) — **Gooseworks** · YC Winter 2023 · B2B, Marketing · Active · team 5 · yc_id:27843 — Self-Improving Ad Creative Engines
- [GoSats](https://lemstudio.co/yc-companies/gosats-26108) — **GoSats** · YC Winter 2022 · Fintech · Active · team 8 · yc_id:26108 — GoSats helps you earn free bitcoin when you shop in India.
- [GoScale](https://lemstudio.co/yc-companies/goscale-449) — **GoScale** · YC Summer 2012 · B2B, Infrastructure · Inactive · team 2 · yc_id:449 — Dynamical Scaling Virtual Machines as a Service
- [Gotrade](https://lemstudio.co/yc-companies/gotrade-12829) — **Gotrade** · YC Summer 2019 · Fintech, Consumer Finance · Active · team 105 · yc_id:12829 — Robinhood for Southeast Asia (SEA)
- [GovDash](https://lemstudio.co/yc-companies/govdash-26125) — **GovDash** · YC Winter 2022 · Government · Active · team 56 · yc_id:26125 — AI platform to win and run government contracts
- [GovEagle](https://lemstudio.co/yc-companies/goveagle-27822) — **GovEagle** · YC Winter 2023 · Government · Active · team 25 · yc_id:27822 — AI for Government Contractors
- [GovernGPT](https://lemstudio.co/yc-companies/governgpt-28896) — **GovernGPT** · YC Winter 2024 · Fintech · Active · team 7 · yc_id:28896 — The RFP Platform Asset Managers Adopt
- [GovGuard](https://lemstudio.co/yc-companies/govguard-31381) — **GovGuard** · YC Spring 2026 · Government · Active · yc_id:31381 — Automating Government Workflows, starting with FOIA
- [Govly](https://lemstudio.co/yc-companies/govly-24252) — **Govly** · YC Summer 2021 · Government · Active · team 30 · yc_id:24252 — The #1 Market Network for Government Contractors.
- [GovPredict](https://lemstudio.co/yc-companies/govpredict-675) — **GovPredict** · YC Summer 2014 · Government · Acquired · team 60 · yc_id:675 — The system of record for government affairs.
- [Grabb-It](https://lemstudio.co/yc-companies/grabb-it-1937) — **Grabb-It** · YC Summer 2018 · B2B, Marketing · Inactive · team 3 · yc_id:1937 — Grabb-It is a location based Dynamic Digital - OOH advertising…
- [Grade](https://lemstudio.co/yc-companies/grade-31255) — **Grade** · YC Winter 2026 · Fintech · Active · team 2 · yc_id:31255 — API for performance-based payroll
- [Gradia Health](https://lemstudio.co/yc-companies/gradia-health-22777) — **Gradia Health** · YC Winter 2021 · Healthcare, Healthcare IT · Active · team 7 · yc_id:22777 — Integrated, high touch healthcare — at scale
- [GraffitiGeo](https://lemstudio.co/yc-companies/graffitigeo-255) — **GraffitiGeo** · YC Summer 2009 · Consumer, Content · Acquired · team 2 · yc_id:255 — We let you know where to go and what to get once you get there.…
- [Graft Concepts](https://lemstudio.co/yc-companies/graft-concepts-537) — **Graft Concepts** · YC Summer 2013 · Consumer, Consumer Electronics · Inactive · team 2 · yc_id:537 — Graft Concepts makes unique iPhone cases and other mobile accessories
- [Grai](https://lemstudio.co/yc-companies/grai-27040) — **Grai** · YC Summer 2022 · B2B, Infrastructure · Inactive · team 3 · yc_id:27040 — Open source version control for metadata
- [Grain](https://lemstudio.co/yc-companies/grain-13174) — **Grain** · YC Winter 2020 · Fintech, Credit and Lending · Active · team 30 · yc_id:13174 — Grain transforms the debit card you already have into a credit card…
- [Granza Bio](https://lemstudio.co/yc-companies/granza-bio-29485) — **Granza Bio** · YC Winter 2024 · Healthcare, Therapeutics · Active · team 8 · yc_id:29485 — Building programmable therapeutics for the immune system
- [Graphify Labs](https://lemstudio.co/yc-companies/graphify-labs-32583) — **Graphify Labs** · YC Summer 2026 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:32583 — On-device Knowledge Graph engine for Enterprise Software
- [Gravy](https://lemstudio.co/yc-companies/gravy-31522) — **Gravy** · YC Spring 2026 · Fintech, Consumer Finance · Active · team 2 · yc_id:31522 — Agents that move money, trade stocks, and file taxes.
- [GrayPass](https://lemstudio.co/yc-companies/graypass-37435) — **GrayPass** · YC Fall 2026 · B2B, Infrastructure · Active · team 2 · yc_id:37435 — Verify that the expected person is in control before key actions.
- [GreaseBoss](https://lemstudio.co/yc-companies/greaseboss-23306) — **GreaseBoss** · YC Winter 2021 · Industrials, Manufacturing and Robotics · Active · team 10 · yc_id:23306 — GreaseBoss verifes industrial machinery is greased correctly
- [Great Question](https://lemstudio.co/yc-companies/great-question-22947) — **Great Question** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 41 · yc_id:22947 — User research on autopilot. 
- [Green Canopy NODE](https://lemstudio.co/yc-companies/green-canopy-node-12641) — **Green Canopy NODE** · YC Summer 2019 · Real Estate and Construction, Housing and Real Estate · Active · team 31 · yc_id:12641 — Green Canopy NODE builds sustainable homes fast.
- [Green Energy Exchange](https://lemstudio.co/yc-companies/green-energy-exchange-11957) — **Green Energy Exchange** · YC Winter 2019 · Industrials, Energy · Inactive · team 3 · yc_id:11957 — We deliver affordable renewable energy direct to customers and are…
- [Greenboard](https://lemstudio.co/yc-companies/greenboard-29298) — **Greenboard** · YC Winter 2024 · Fintech · Active · team 35 · yc_id:29298 — Modern OS for the financial back office. 
- [GreenTally](https://lemstudio.co/yc-companies/greentally-28838) — **GreenTally** · YC Summer 2023 · B2B · Inactive · team 2 · yc_id:28838 — Affordable carbon tracking solution for all businesses
- [Greentoe](https://lemstudio.co/yc-companies/greentoe-677) — **Greentoe** · YC Summer 2014 · Consumer, Consumer Electronics · Active · team 5 · yc_id:677 — "Name Your Price" for products
- [Greo](https://lemstudio.co/yc-companies/greo-1623) — **Greo** · YC Summer 2017 · Consumer, Social · Inactive · team 2 · yc_id:1623 — Greo is a mobile video app for conversations about current events. 
- [Grep AI](https://lemstudio.co/yc-companies/grep-ai-33672) — **Grep AI** · YC Fall 2026 · B2B, Productivity · Active · team 6 · yc_id:33672 — AI agents that automate high-stakes knowledge work you can't afford…
- [GrepData](https://lemstudio.co/yc-companies/grepdata-483) — **GrepData** · YC Winter 2013 · B2B, Analytics · Acquired · team 51 · yc_id:483 — Big Data Analytics
- [Greptile](https://lemstudio.co/yc-companies/greptile-29226) — **Greptile** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 35 · yc_id:29226 — AI code review agent with complete context of your codebase
- [Grey](https://lemstudio.co/yc-companies/grey-25713) — **Grey** · YC Winter 2022 · Fintech · Active · team 15 · yc_id:25713 — Banking services for remote workers and digital nomads
- [Greypoint Industries](https://lemstudio.co/yc-companies/greypoint-industries-32586) — **Greypoint Industries** · YC Summer 2026 · Industrials, Defense · Active · team 4 · yc_id:32586 — Building drone swarms that hunt hidden enemies.
- [Greywing](https://lemstudio.co/yc-companies/greywing-22889) — **Greywing** · YC Winter 2021 · B2B, Supply Chain and Logistics · Active · team 2 · yc_id:22889 — The Operating System for Maritime
- [Grid](https://lemstudio.co/yc-companies/grid-416) — **Grid** · YC Summer 2012 · Consumer · Inactive · yc_id:416
- [Gridware](https://lemstudio.co/yc-companies/gridware-22789) — **Gridware** · YC Winter 2021 · Industrials, Energy · Active · team 125 · yc_id:22789 — Protecting the grid today, preparing the grid for tomorrow
- [Grin](https://lemstudio.co/yc-companies/grin-2013) — **Grin** · YC Summer 2018 · Consumer, Transportation Services · Acquired · team 300 · yc_id:2013 — Mobility and payments platform for Latin America
- [Grip](https://lemstudio.co/yc-companies/grip-33144) — **Grip** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 4 · yc_id:33144 — Robots for waste manipulation
- [Grocalo](https://lemstudio.co/yc-companies/grocalo-32221) — **Grocalo** · YC Summer 2026 · Consumer, Content · Active · team 2 · yc_id:32221 — AI brain for creators that runs their social content
- [GroMo](https://lemstudio.co/yc-companies/gromo-22677) — **GroMo** · YC Winter 2021 · Fintech · Active · team 100 · yc_id:22677 — App for independent agents to sell financial products in India
- [GroundControl](https://lemstudio.co/yc-companies/groundcontrol-30417) — **GroundControl** · YC Spring 2025 · Industrials, Aviation and Space · Active · team 8 · yc_id:30417 — Vertical AI for highly-regulated manufacturing
- [GroupAhead](https://lemstudio.co/yc-companies/groupahead-766) — **GroupAhead** · YC Winter 2015 · Consumer, Social · Inactive · team 2 · yc_id:766 — Improve communications with your group's own mobile app.
- [Grouper](https://lemstudio.co/yc-companies/grouper-39) — **Grouper** · YC Winter 2012 · Consumer, Food and Beverage · Inactive · team 11 · yc_id:39 — We set up drinks between 2 groups of friends: 3 guys and 3 girls.
- [GrowthBook](https://lemstudio.co/yc-companies/growthbook-25174) — **GrowthBook** · YC Winter 2022 · B2B, Analytics · Active · team 40 · yc_id:25174 — Open source feature flagging and A/B testing
- [Groww](https://lemstudio.co/yc-companies/groww-1839) — **Groww** · YC Winter 2018 · Fintech, Asset Management · Public · team 1050 · yc_id:1839 — Making financial services simple, transparent and delightful. 
- [GrubMarket](https://lemstudio.co/yc-companies/grubmarket-767) — **GrubMarket** · YC Winter 2015 · B2B, Supply Chain and Logistics · Active · team 4548 · yc_id:767 — AI-powered technology enabler and digital transformer of American…
- [GTRACK Technologies](https://lemstudio.co/yc-companies/gtrack-technologies-1282) — **GTRACK Technologies** · YC Summer 2016 · Industrials, Energy · Inactive · team 2 · yc_id:1282 — Nanoparticle tracers for reservoir characterization during hydraulic…
- [Guac](https://lemstudio.co/yc-companies/guac-28940) — **Guac** · YC Summer 2023 · B2B, Supply Chain and Logistics · Active · team 7 · yc_id:28940 — AI-powered forecasting & replenishment for grocery
- [Guardian Bio](https://lemstudio.co/yc-companies/guardian-bio-27263) — **Guardian Bio** · YC Summer 2022 · Healthcare, Therapeutics · Active · team 2 · yc_id:27263 — Dendritic cell-based platform for cancer therapy 
- [Guardian RF](https://lemstudio.co/yc-companies/guardian-rf-29783) — **Guardian RF** · YC Summer 2024 · Industrials, Drones · Active · team 15 · yc_id:29783 — Drone detection for US defense and national security  
- [Guesty](https://lemstudio.co/yc-companies/guesty-626) — **Guesty** · YC Winter 2014 · Real Estate and Construction, Housing and Real Estate · Active · team 700 · yc_id:626 — The management platform for the short term rental industry.
- [Guggy](https://lemstudio.co/yc-companies/guggy-1679) — **Guggy** · YC Summer 2017 · Consumer, Social · Inactive · team 2 · yc_id:1679 — Guggy is building the messaging app of the future with real time,…
- [Guide Labs](https://lemstudio.co/yc-companies/guide-labs-29328) — **Guide Labs** · YC Winter 2024 · B2B, Infrastructure · Active · team 6 · yc_id:29328 — Frontier models and agents you can learn from, audit, and steer.
- [GUILD](https://lemstudio.co/yc-companies/guild-32194) — **GUILD** · YC Summer 2026 · Industrials, Defense · Active · team 2 · yc_id:32194 — AI-Native Defense Contractor
- [Guilded](https://lemstudio.co/yc-companies/guilded-1656) — **Guilded** · YC Summer 2017 · Consumer, Gaming · Acquired · team 30 · yc_id:1656 — Chat for gaming communities
- [Gullak Money](https://lemstudio.co/yc-companies/gullak-money-26795) — **Gullak Money** · YC Summer 2022 · Fintech · Active · team 15 · yc_id:26795 — Gullak automates savings & invests these in gold
- [Gumloop](https://lemstudio.co/yc-companies/gumloop-29180) — **Gumloop** · YC Winter 2024 · B2B · Active · team 44 · yc_id:29180 — The multiplayer AI agent builder. Let anyone build, IT controls access
- [GuruHotel](https://lemstudio.co/yc-companies/guruhotel-13508) — **GuruHotel** · YC Winter 2020 · Fintech, Payments · Active · team 12 · yc_id:13508 — AI-native direct booking infrastructure for global hospitality
- [Gusto](https://lemstudio.co/yc-companies/gusto-24) — **Gusto** · YC Winter 2012 · B2B, Human Resources · Active · team 2400 · yc_id:24 — Provides growing businesses with everything to take care of their team
- [Gutgutgoose](https://lemstudio.co/yc-companies/gutgutgoose-32170) — **Gutgutgoose** · YC Summer 2026 · Healthcare · Active · team 7 · yc_id:32170 — We sequence your gut and build the probiotics it’s missing
- [Gym Class](https://lemstudio.co/yc-companies/gym-class-25363) — **Gym Class** · YC Winter 2022 · Consumer, Social · Active · team 20 · yc_id:25363 — Connecting the world by simulating it
- [H1](https://lemstudio.co/yc-companies/h1-13133) — **H1** · YC Winter 2020 · Healthcare, Healthcare IT · Active · team 500 · yc_id:13133 — Connecting stakeholders across the healthcare ecosystem.
- [H3X Technologies](https://lemstudio.co/yc-companies/h3x-technologies-23556) — **H3X Technologies** · YC Winter 2021 · Industrials, Aviation and Space · Active · team 58 · yc_id:23556 — The lightest electric aircraft motors in the world.
- [HABIT](https://lemstudio.co/yc-companies/habit-30469) — **HABIT** · YC Spring 2025 · B2B · Active · yc_id:30469 — Accelerating world models.
- [Habit Labs](https://lemstudio.co/yc-companies/habit-labs-185) — **Habit Labs** · YC Summer 2010 · Consumer, Social · Inactive · team 2 · yc_id:185 — Friends motivate one another: I'll do x if you do y.
- [HABU](https://lemstudio.co/yc-companies/habu-37533) — **HABU** · YC Fall 2026 · Real Estate and Construction · Active · team 2 · yc_id:37533 — Like Crosby, but for real estate development
- [Hackermeter](https://lemstudio.co/yc-companies/hackermeter-526) — **Hackermeter** · YC Summer 2013 · B2B, Recruiting and Talent · Acquired · team 11 · yc_id:526 — Replacing resume screening with code challenges.
- [HackerRank](https://lemstudio.co/yc-companies/hackerrank-73) — **HackerRank** · YC Summer 2011 · B2B, Recruiting and Talent · Active · team 300 · yc_id:73 — Change the world to value skills over pedigree
- [HackPad](https://lemstudio.co/yc-companies/hackpad-18) — **HackPad** · YC Winter 2012 · B2B, Productivity · Acquired · team 2 · yc_id:18 — A realtime wiki for getting things done.
- [haddock](https://lemstudio.co/yc-companies/haddock-25531) — **haddock** · YC Winter 2022 · B2B, Finance and Accounting · Active · team 40 · yc_id:25531 — AI agents to run restaurant operations
- [Hadrius](https://lemstudio.co/yc-companies/hadrius-27943) — **Hadrius** · YC Winter 2023 · Fintech, Asset Management · Active · team 80 · yc_id:27943 — Automating Securities Compliance
- [Haiku](https://lemstudio.co/yc-companies/haiku-1801) — **Haiku** · YC Winter 2018 · B2B, Engineering, Product and Design · Inactive · yc_id:1801 — Collaboration tools for software companies
- [Haladir](https://lemstudio.co/yc-companies/haladir-31030) — **Haladir** · YC Winter 2026 · B2B, Supply Chain and Logistics · Active · team 4 · yc_id:31030 — Operational Superintelligence for Global Logistics
- [Halluminate](https://lemstudio.co/yc-companies/halluminate-30609) — **Halluminate** · YC Summer 2025 · B2B · Active · team 5 · yc_id:30609 — Data and RL environments to automate knowledge work
- [Halmos Labs](https://lemstudio.co/yc-companies/halmos-labs-35883) — **Halmos Labs** · YC Fall 2026 · Healthcare, Industrial Bio · Active · team 3 · yc_id:35883 — Maximum information per experiment, minimum experiments per conclusion
- [Halolife](https://lemstudio.co/yc-companies/halolife-968) — **Halolife** · YC Summer 2015 · Consumer, Home and Personal · Inactive · team 2 · yc_id:968 — Halolife is an online platform to find and plan a burial or cremation…
- [Hamming AI](https://lemstudio.co/yc-companies/hamming-ai-29610) — **Hamming AI** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:29610 — Complete QA platform for voice agents
- [Hammr](https://lemstudio.co/yc-companies/hammr-27710) — **Hammr** · YC Winter 2023 · B2B, Human Resources · Active · team 10 · yc_id:27710 — Rippling for the Construction Industry
- [Handl](https://lemstudio.co/yc-companies/handl-13504) — **Handl** · YC Winter 2020 · B2B, Operations · Active · team 29 · yc_id:13504 — Handl converts documents (invoices, income stabs, custom forms, etc.)…
- [Handle](https://lemstudio.co/yc-companies/handle-12043) — **Handle** · YC Winter 2019 · Real Estate and Construction, Construction · Active · team 203 · yc_id:12043 — Simplifying Payments and Compliance for Construction Suppliers
- [Handled](https://lemstudio.co/yc-companies/handled-29805) — **Handled** · YC Summer 2024 · B2B, Retail · Active · team 3 · yc_id:29805 — AI teammate for finance and operations teams at consumer brands
- [Handoff](https://lemstudio.co/yc-companies/handoff-13121) — **Handoff** · YC Winter 2020 · Real Estate and Construction, Construction · Active · team 20 · yc_id:13121 — AI estimator & agent for remodelers.
- [Hapi](https://lemstudio.co/yc-companies/hapi-22668) — **Hapi** · YC Winter 2021 · Fintech, Consumer Finance · Active · team 45 · yc_id:22668 — Stocks and cryptos trading app with zero commissions and no minimums…
- [Haplotype Labs](https://lemstudio.co/yc-companies/haplotype-labs-29484) — **Haplotype Labs** · YC Winter 2024 · Healthcare, Diagnostics · Active · team 1 · yc_id:29484 — Personalized prevention using genetics and AI
- [Happenstance](https://lemstudio.co/yc-companies/happenstance-29233) — **Happenstance** · YC Winter 2024 · Consumer · Active · team 3 · yc_id:29233 — People search powered by AI
- [HappiLabs](https://lemstudio.co/yc-companies/happilabs-1966) — **HappiLabs** · YC Summer 2018 · Healthcare, Healthcare Services · Acquired · team 14 · yc_id:1966 — Virtual Lab Managers for scientists and biotech, research Labs
- [Happl](https://lemstudio.co/yc-companies/happl-25521) — **Happl** · YC Winter 2022 · B2B, Human Resources · Active · team 11 · yc_id:25521 — Your personalised benefits and engagement platform for global teams
- [HappyRobot](https://lemstudio.co/yc-companies/happyrobot-29069) — **HappyRobot** · YC Summer 2023 · B2B, Supply Chain and Logistics · Active · team 80 · yc_id:29069 — Intelligence that runs your operations. 
- [Harbera](https://lemstudio.co/yc-companies/harbera-30265) — **Harbera** · YC Winter 2025 · Healthcare, Healthcare IT · Active · team 2 · yc_id:30265 — AI Healthcare Provider Credentialing Software
- [Harbor](https://lemstudio.co/yc-companies/harbor-31445) — **Harbor** · YC Spring 2026 · Healthcare · Active · team 3 · yc_id:31445 — AI-native CRO for clinical trial operations
- [hardware intelligence](https://lemstudio.co/yc-companies/hardware-intelligence-33573) — **hardware intelligence** · YC Summer 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:33573 — AI tools for the chips your AI runs on
- [Harmonic Discovery](https://lemstudio.co/yc-companies/harmonic-discovery-24467) — **Harmonic Discovery** · YC Summer 2021 · Healthcare, Drug Discovery and Delivery · Active · team 8 · yc_id:24467 — Multi-targeted therapeutics to treat complex diseases
- [Harper](https://lemstudio.co/yc-companies/harper-30288) — **Harper** · YC Winter 2025 · Fintech, Insurance · Active · team 25 · yc_id:30288 — AI-native commercial insurance brokerage
- [Hatch](https://lemstudio.co/yc-companies/hatch-11975) — **Hatch** · YC Winter 2019 · B2B, Sales · Acquired · team 73 · yc_id:11975 — The AI CSR Platform
- [Hatchet](https://lemstudio.co/yc-companies/hatchet-29433) — **Hatchet** · YC Winter 2024 · B2B, Infrastructure · Active · team 7 · yc_id:29433 — The orchestration platform for teams who ship.
- [Hatchways](https://lemstudio.co/yc-companies/hatchways-12659) — **Hatchways** · YC Summer 2019 · B2B, Recruiting and Talent · Active · team 8 · yc_id:12659 — We make engineering interviewing look more like real work.
- [HauteDay](https://lemstudio.co/yc-companies/hauteday-710) — **HauteDay** · YC Summer 2014 · Consumer, Apparel and Cosmetics · Inactive · team 2 · yc_id:710 — Gaming Meets Women's Shopping.
- [Haven](https://lemstudio.co/yc-companies/haven-13149) — **Haven** · YC Winter 2020 · Fintech, Credit and Lending · Active · team 15 · yc_id:13149 — Homeownership reimagined for the 21st century.
- [Haven](https://lemstudio.co/yc-companies/haven-27855) — **Haven** · YC Winter 2023 · B2B · Active · team 3 · yc_id:27855 — AI workforce for property management
- [Haystack](https://lemstudio.co/yc-companies/haystack-29797) — **Haystack** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29797 — Replay real customer journeys against every change before you ship
- [Haystack](https://lemstudio.co/yc-companies/haystack-23259) — **Haystack** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:23259 — Delivery Analytics for Software Teams
- [Haywheel](https://lemstudio.co/yc-companies/haywheel-1228) — **Haywheel** · YC Summer 2016 · B2B, Retail · Inactive · team 2 · yc_id:1228 — Haywheel is an artisan food marketplace for restaurants and specialty…
- [Hazel](https://lemstudio.co/yc-companies/hazel-29385) — **Hazel** · YC Winter 2024 · Government · Active · team 7 · yc_id:29385 — AI-enabled procurement for government
- [Headstart](https://lemstudio.co/yc-companies/headstart-1678) — **Headstart** · YC Summer 2017 · B2B, Recruiting and Talent · Acquired · team 44 · yc_id:1678 — Headstart uses Machine Learning to help companies decide on who to…
- [Healia](https://lemstudio.co/yc-companies/healia-29483) — **Healia** · YC Winter 2024 · Fintech, Insurance · Active · team 15 · yc_id:29483 — Modern health insurance for dual income families
- [Health Harbor](https://lemstudio.co/yc-companies/health-harbor-28869) — **Health Harbor** · YC Summer 2023 · Healthcare, Healthcare IT · Active · team 4 · yc_id:28869 — Using generative AI to call insurance for healthcare clinics
- [HealthKey](https://lemstudio.co/yc-companies/healthkey-30249) — **HealthKey** · YC Winter 2025 · Healthcare, Healthcare IT · Active · team 10 · yc_id:30249 — AI-powered Patient Identification for Clinical Trials
- [Healthlane](https://lemstudio.co/yc-companies/healthlane-13516) — **Healthlane** · YC Winter 2020 · Healthcare, Consumer Health and Wellness · Active · team 15 · yc_id:13516 — Africa's Preventative Health System
- [HealthSherpa](https://lemstudio.co/yc-companies/healthsherpa-405) — **HealthSherpa** · YC Summer 2012 · Healthcare, Healthcare Services · Active · team 220 · yc_id:405 — Private sector Healthcare.gov. 
- [HealthSpark](https://lemstudio.co/yc-companies/healthspark-30034) — **HealthSpark** · YC Fall 2024 · Healthcare · Active · team 1 · yc_id:30034 — Empowering Physical Therapists to Go Independent
- [Healthtech 1](https://lemstudio.co/yc-companies/healthtech-1-29159) — **Healthtech 1** · YC Summer 2023 · Healthcare, Healthcare IT · Active · team 40 · yc_id:29159 — Navigating patients to the right place, first time.
- [Heap](https://lemstudio.co/yc-companies/heap-498) — **Heap** · YC Winter 2013 · B2B, Analytics · Acquired · team 388 · yc_id:498 — Captures user interactions with no code to generate analytics.
- [Heart Aerospace](https://lemstudio.co/yc-companies/heart-aerospace-12089) — **Heart Aerospace** · YC Winter 2019 · Industrials, Aviation and Space · Active · team 50 · yc_id:12089 — Heart makes electric airplanes with an all-electric range of 250 miles
- [HeartByte](https://lemstudio.co/yc-companies/heartbyte-29403) — **HeartByte** · YC Winter 2024 · Consumer, Content · Active · team 2 · yc_id:29403 — GenAI Interactive story. Creator write fictions 10x faster.
- [Hebbian Robotics](https://lemstudio.co/yc-companies/hebbian-robotics-33279) — **Hebbian Robotics** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:33279 — Automate Data Evaluations for Physical AI and Robotics
- [Hedge](https://lemstudio.co/yc-companies/hedge-31323) — **Hedge** · YC Spring 2026 · Fintech, Insurance · Active · team 2 · yc_id:31323 — AI-Native insurance company
- [Hedgehog](https://lemstudio.co/yc-companies/hedgehog-26883) — **Hedgehog** · YC Summer 2022 · Industrials, Manufacturing and Robotics · Active · team 50 · yc_id:26883 — Building robotic mushroom farms
- [Hedgehog](https://lemstudio.co/yc-companies/hedgehog-23842) — **Hedgehog** · YC Summer 2021 · Fintech · Inactive · team 5 · yc_id:23842 — Cryptocurrency Robo-adviser. Buy. Balance. Relax.
- [Hegel AI](https://lemstudio.co/yc-companies/hegel-ai-28865) — **Hegel AI** · YC Summer 2023 · B2B, Infrastructure · Active · team 2 · yc_id:28865 — Open source tools for developing generative AI applications
- [Heimdal](https://lemstudio.co/yc-companies/heimdal-24488) — **Heimdal** · YC Summer 2021 · Industrials, Climate · Inactive · team 12 · yc_id:24488 — Affordable and verified direct air carbon capture and storage
- [Helicarrier (prev Buycoins)](https://lemstudio.co/yc-companies/helicarrier-prev-buycoins-2011) — **Helicarrier (prev Buycoins)** · YC Summer 2018 · Fintech, Banking and Exchange · Active · team 30 · yc_id:2011 — Cryptocurrency infrastructure for Africa.
- [Helicone](https://lemstudio.co/yc-companies/helicone-27919) — **Helicone** · YC Winter 2023 · B2B, Analytics · Acquired · team 5 · yc_id:27919 — LLM Observability for Developers
- [Helion Energy](https://lemstudio.co/yc-companies/helion-energy-730) — **Helion Energy** · YC Summer 2014 · Industrials, Energy · Active · team 150 · yc_id:730 — Building the world's first fusion power plant
- [Helios](https://lemstudio.co/yc-companies/helios-28072) — **Helios** · YC Winter 2023 · B2B · Active · team 3 · yc_id:28072 — Create your AI workforce
- [Helium](https://lemstudio.co/yc-companies/helium-29799) — **Helium** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 9 · yc_id:29799 — Self Improving Software
- [Helium Health](https://lemstudio.co/yc-companies/helium-health-1600) — **Helium Health** · YC Summer 2017 · Healthcare, Healthcare IT · Active · team 110 · yc_id:1600 — Africa's #1 healthcare technology provider.
- [Helix Nanotechnologies](https://lemstudio.co/yc-companies/helix-nanotechnologies-1560) — **Helix Nanotechnologies** · YC Winter 2017 · Healthcare, Drug Discovery and Delivery · Active · team 22 · yc_id:1560 — Next-generation mRNA platform to solve cancer, COVID and climate.
- [HelixDB](https://lemstudio.co/yc-companies/helixdb-30432) — **HelixDB** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:30432 — The fastest & most scalable graph-vector database on the market
- [Hello Chair](https://lemstudio.co/yc-companies/hello-chair-329) — **Hello Chair** · YC Summer 2007 · Consumer, Home and Personal · Inactive · yc_id:329
- [Hellobill](https://lemstudio.co/yc-companies/hellobill-1203) — **Hellobill** · YC Summer 2016 · B2B, Finance and Accounting · Inactive · team 2 · yc_id:1203 — Hellobill aggregates all your business bills, automatically, every…
- [Hellometer](https://lemstudio.co/yc-companies/hellometer-21962) — **Hellometer** · YC Summer 2020 · B2B, Retail · Active · team 2 · yc_id:21962 — Making fast food faster
- [Hellosaurus](https://lemstudio.co/yc-companies/hellosaurus-22269) — **Hellosaurus** · YC Summer 2020 · Consumer, Content · Acquired · team 25 · yc_id:22269 — Interactive video platform for kids
- [HelloSign](https://lemstudio.co/yc-companies/hellosign-145) — **HelloSign** · YC Winter 2011 · B2B, Productivity · Acquired · team 100 · yc_id:145 — eSignature software for small and mid-market businesses.
- [Helloverify](https://lemstudio.co/yc-companies/helloverify-1871) — **Helloverify** · YC Winter 2018 · B2B, Human Resources · Active · team 600 · yc_id:1871 — Helloverify is a background screening platform (Checkr for India).  
- [Helonic](https://lemstudio.co/yc-companies/helonic-30911) — **Helonic** · YC Fall 2025 · Real Estate and Construction, Construction · Active · team 2 · yc_id:30911 — Automatic Construction Drawing Clash Detection 
- [HelpNow](https://lemstudio.co/yc-companies/helpnow-12726) — **HelpNow** · YC Winter 2020 · Healthcare, Healthcare Services · Inactive · team 50 · yc_id:12726 — India's most reliable Ambulance service. (uber for ambulances)
- [HelpWear](https://lemstudio.co/yc-companies/helpwear-1642) — **HelpWear** · YC Summer 2017 · Healthcare, Medical Devices · Active · team 2 · yc_id:1642
- [Hemlock](https://lemstudio.co/yc-companies/hemlock-35522) — **Hemlock** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 1 · yc_id:35522 — Force-sensing wristband for training robotic AI
- [Hemut](https://lemstudio.co/yc-companies/hemut-30519) — **Hemut** · YC Spring 2025 · B2B, Supply Chain and Logistics · Active · team 3 · yc_id:30519 — AI-powered operating system for trucking companies.
- [Henry](https://lemstudio.co/yc-companies/henry-29954) — **Henry** · YC Summer 2024 · Real Estate and Construction · Active · team 20 · yc_id:29954 — Automating Deal Decks for Commercial Real Estate Brokers
- [HENRY](https://lemstudio.co/yc-companies/henry-22083) — **HENRY** · YC Summer 2020 · B2B, Recruiting and Talent · Active · team 100 · yc_id:22083 — We train AI engineers and connect them with companies.
- [Hent](https://lemstudio.co/yc-companies/hent-13484) — **Hent** · YC Winter 2020 · Real Estate and Construction, Housing and Real Estate · Acquired · team 22 · yc_id:13484 — Hent is helping land lot developers to better manage their sales…
- [HEO Robotics](https://lemstudio.co/yc-companies/heo-robotics-24868) — **HEO Robotics** · YC Summer 2021 · Industrials, Aviation and Space · Active · team 3 · yc_id:24868 — We visually monitor space objects for governments and defense
- [Hepatx](https://lemstudio.co/yc-companies/hepatx-1931) — **Hepatx** · YC Summer 2018 · Healthcare, Therapeutics · Active · team 4 · yc_id:1931 — Replacing organ transplant with an infusion
- [Heptabase](https://lemstudio.co/yc-companies/heptabase-26033) — **Heptabase** · YC Winter 2022 · Consumer · Active · team 10 · yc_id:26033 — An intelligent, visual knowledge base for learning complex topics.
- [HER](https://lemstudio.co/yc-companies/her-946) — **HER** · YC Summer 2015 · Consumer, Social · Acquired · team 10 · yc_id:946 — HER helps lesbian, bisexual and queer people meet each other
- [Hera](https://lemstudio.co/yc-companies/hera-24460) — **Hera** · YC Summer 2021 · B2B, Productivity · Inactive · team 3 · yc_id:24460 — Calendar app to prepare, join and follow-up on virtual meetings
- [Hera](https://lemstudio.co/yc-companies/hera-30758) — **Hera** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:30758 — AI Motion Designer
- [HERA](https://lemstudio.co/yc-companies/hera-32123) — **HERA** · YC Summer 2026 · Industrials · Active · team 2 · yc_id:32123 — We make sure every factory in the world builds without mistakes.
- [Herald](https://lemstudio.co/yc-companies/herald-11982) — **Herald** · YC Winter 2019 · B2B, Office Management · Inactive · team 2 · yc_id:11982 — A collaborative repository for user feedback.
- [herdr](https://lemstudio.co/yc-companies/herdr-34464) — **herdr** · YC Fall 2026 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:34464 — building the open agent runtime
- [Here](https://lemstudio.co/yc-companies/here-22184) — **Here** · YC Summer 2020 · Consumer, Social · Inactive · team 9 · yc_id:22184 — Where friends watch, play and hang together in digital rooms
- [Hermes Robotics](https://lemstudio.co/yc-companies/hermes-robotics-22876) — **Hermes Robotics** · YC Winter 2021 · Industrials, Defense · Active · team 5 · yc_id:22876 — Autonomous street sweeping as a service by retro-fitting vehicles
- [Heroic Labs](https://lemstudio.co/yc-companies/heroic-labs-884) — **Heroic Labs** · YC Summer 2015 · Consumer, Gaming · Active · team 21 · yc_id:884 — Social Infrastructure for Games; Makers of Nakama game server, Satori…
- [Heroku](https://lemstudio.co/yc-companies/heroku-311) — **Heroku** · YC Winter 2008 · B2B, Infrastructure · Acquired · team 300 · yc_id:311 — Enabling developers to build and run applications in the cloud.
- [Heron](https://lemstudio.co/yc-companies/heron-22277) — **Heron** · YC Summer 2020 · Fintech · Active · team 60 · yc_id:22277 — Underwriting automation for small business finance
- [HeroUI](https://lemstudio.co/yc-companies/heroui-29800) — **HeroUI** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:29800 — The UI framework for AI agents and developers to build beautiful apps.
- [Heru](https://lemstudio.co/yc-companies/heru-12841) — **Heru** · YC Summer 2019 · Fintech · Active · team 53 · yc_id:12841 — Tax Automation Infrastructure
- [Hesper AI](https://lemstudio.co/yc-companies/hesper-ai-36086) — **Hesper AI** · YC Fall 2026 · Fintech, Insurance · Active · team 2 · yc_id:36086 — AI Claims Investigator for Insurance
- [Hessian](https://lemstudio.co/yc-companies/hessian-31496) — **Hessian** · YC Spring 2026 · B2B · Active · team 3 · yc_id:31496 — Forward-deployed AI Agents
- [Hestus, Inc.](https://lemstudio.co/yc-companies/hestus-inc-29737) — **Hestus, Inc.** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29737 — An AI-powered CAD software
- [HEVN, inc](https://lemstudio.co/yc-companies/hevn-inc-31391) — **HEVN, inc** · YC Spring 2026 · Fintech · Active · team 8 · yc_id:31391 — Cross-border payments for exporters of physical goods.
- [Hexa](https://lemstudio.co/yc-companies/hexa-31350) — **Hexa** · YC Spring 2026 · B2B, Supply Chain and Logistics · Active · team 3 · yc_id:31350 — Autonomous operations for industrial distributors
- [Hexclave](https://lemstudio.co/yc-companies/hexclave-29642) — **Hexclave** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:29642 — The user infrastructure platform
- [Hexel](https://lemstudio.co/yc-companies/hexel-1864) — **Hexel** · YC Winter 2018 · Consumer, Travel, Leisure and Tourism · Inactive · team 2 · yc_id:1864 — Create a cryptocurrency for your community.
- [Hey Healthcare](https://lemstudio.co/yc-companies/hey-healthcare-12539) — **Hey Healthcare** · YC Summer 2019 · B2B · Inactive · team 1 · yc_id:12539
- [Hey Revia](https://lemstudio.co/yc-companies/hey-revia-29953) — **Hey Revia** · YC Summer 2024 · B2B · Acquired · team 4 · yc_id:29953 — Voice AI to automate complex phone calls for healthcare providers
- [Hey Telo](https://lemstudio.co/yc-companies/hey-telo-30188) — **Hey Telo** · YC Winter 2025 · B2B · Active · team 2 · yc_id:30188 — Voice AI for Home Services
- [HeyCharge](https://lemstudio.co/yc-companies/heycharge-24489) — **HeyCharge** · YC Summer 2021 · Industrials, Energy · Active · team 17 · yc_id:24489 — Low-cost, high-scale EV charging platform for apartments (and more).
- [HeyClicky](https://lemstudio.co/yc-companies/heyclicky-31574) — **HeyClicky** · YC Spring 2026 · Consumer · Active · yc_id:31574 — The simplest interface in the world to talk AI models + spawn agents
- [HeyDoctor](https://lemstudio.co/yc-companies/heydoctor-1976) — **HeyDoctor** · YC Summer 2018 · Healthcare, Healthcare IT · Acquired · team 50 · yc_id:1976 — HeyDoctor provides online primary care (like refilling birth control,…
- [Heyfood](https://lemstudio.co/yc-companies/heyfood-25445) — **Heyfood** · YC Winter 2022 · Consumer, Food and Beverage · Active · team 40 · yc_id:25445 — Doordash for Africa
- [Heysan](https://lemstudio.co/yc-companies/heysan-354) — **Heysan** · YC Winter 2007 · Consumer, Social · Acquired · yc_id:354 — Free messaging on mobile phones
- [Heyzap](https://lemstudio.co/yc-companies/heyzap-267) — **Heyzap** · YC Winter 2009 · Consumer, Gaming · Acquired · team 11 · yc_id:267 — Heyzap (acquired by Fyber for $45m in 2016) is one of the largest…
- [Hickory](https://lemstudio.co/yc-companies/hickory-882) — **Hickory** · YC Summer 2015 · B2B, Human Resources · Inactive · team 11 · yc_id:882 — Hickory turns your employees into experts.
- [Hickory & Company](https://lemstudio.co/yc-companies/hickory-company-31725) — **Hickory & Company** · YC Fall 2026 · B2B, Operations · Active · team 3 · yc_id:31725 — Hickory offers agentic compliance and BSA for banks and fintechs
- [Hideout](https://lemstudio.co/yc-companies/hideout-13061) — **Hideout** · YC Winter 2020 · Consumer, Food and Beverage · Inactive · team 1 · yc_id:13061 — A portfolio of delivery-only restaurant brands
- [HigherMe](https://lemstudio.co/yc-companies/higherme-769) — **HigherMe** · YC Winter 2015 · B2B, Recruiting and Talent · Acquired · team 45 · yc_id:769 — Helping restaurant employers find & hire better employees faster
- [highlight.io](https://lemstudio.co/yc-companies/highlight-io-28141) — **highlight.io** · YC Winter 2023 · B2B, Engineering, Product and Design · Acquired · team 8 · yc_id:28141 — The open source, fullstack monitoring platform: stop guessing why…
- [HighlightCam](https://lemstudio.co/yc-companies/highlightcam-241) — **HighlightCam** · YC Summer 2009 · Consumer, Content · Inactive · team 11 · yc_id:241 — HighlightCam edits video, automatically!
- [Hightouch](https://lemstudio.co/yc-companies/hightouch-12821) — **Hightouch** · YC Summer 2019 · B2B, Marketing · Active · team 200 · yc_id:12821 — The leading Composable CDP and AI Decisioning platform
- [hillclimb](https://lemstudio.co/yc-companies/hillclimb-30883) — **hillclimb** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:30883 — Training Data for Recursive Self-Improvement
- [hiloop](https://lemstudio.co/yc-companies/hiloop-33348) — **hiloop** · YC Summer 2026 · B2B, Infrastructure · Active · team 2 · yc_id:33348 — Autoresearch as a service: we solve your hardest measurable problems
- [Hilos](https://lemstudio.co/yc-companies/hilos-24197) — **Hilos** · YC Summer 2021 · B2B, Marketing · Acquired · team 5 · yc_id:24197 — Close and activate your customers on WhatsApp
- [Hilstart](https://lemstudio.co/yc-companies/hilstart-32585) — **Hilstart** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · yc_id:32585 — Autonomous Hardware Testing
- [Hindsight](https://lemstudio.co/yc-companies/hindsight-28091) — **Hindsight** · YC Winter 2023 · B2B, Sales · Active · team 3 · yc_id:28091 — Deal Intelligence and Sales Coaching Platform
- [Hingeto](https://lemstudio.co/yc-companies/hingeto-1089) — **Hingeto** · YC Winter 2016 · Consumer, Apparel and Cosmetics · Acquired · team 15 · yc_id:1089 — A B2B marketplace that connects inventory to online stores
- [HiOperator](https://lemstudio.co/yc-companies/hioperator-1252) — **HiOperator** · YC Summer 2016 · B2B, Operations · Active · team 200 · yc_id:1252 — Customer support as a service. 
- [Hipmob](https://lemstudio.co/yc-companies/hipmob-12) — **Hipmob** · YC Winter 2012 · B2B, Operations · Inactive · team 2 · yc_id:12 — Customer communication for iOS and Android developers - an in-app…
- [Hipmunk](https://lemstudio.co/yc-companies/hipmunk-178) — **Hipmunk** · YC Summer 2010 · Consumer, Travel, Leisure and Tourism · Acquired · team 51 · yc_id:178 — Hipmunk takes the agony out of searching for flights, accommodations,…
- [Hippo Scribe](https://lemstudio.co/yc-companies/hippo-scribe-27956) — **Hippo Scribe** · YC Winter 2023 · Healthcare · Active · team 2 · yc_id:27956 — AI assisted documentation for PT/OT/SLP
- [HippoBuild](https://lemstudio.co/yc-companies/hippobuild-26190) — **HippoBuild** · YC Winter 2022 · Real Estate and Construction, Construction · Active · team 5 · yc_id:26190 — The Operating System of the construction industry
- [Hipset](https://lemstudio.co/yc-companies/hipset-424) — **Hipset** · YC Summer 2012 · Consumer, Content · Inactive · yc_id:424 — The best way for artists to release new music and videos.
- [Hiptype](https://lemstudio.co/yc-companies/hiptype-421) — **Hiptype** · YC Summer 2012 · B2B, Analytics · Inactive · team 2 · yc_id:421 — Hiptype is a marketing and analytics platform for eBooks. We can…
- [Hiration](https://lemstudio.co/yc-companies/hiration-13353) — **Hiration** · YC Winter 2020 · Consumer, Job and Career Services · Active · team 22 · yc_id:13353 — We help job seekers quickly create resumes that get 2X more interviews
- [HireArt](https://lemstudio.co/yc-companies/hireart-14) — **HireArt** · YC Winter 2012 · B2B, Recruiting and Talent · Active · team 90 · yc_id:14 — Gives businesses everything needed to hire & manage W2 contractors.
- [Hirebolt](https://lemstudio.co/yc-companies/hirebolt-24756) — **Hirebolt** · YC Summer 2021 · B2B, Human Resources · Active · team 3 · yc_id:24756 — AI engineering capacity. Made simple. ⚡️
- [HireSweet](https://lemstudio.co/yc-companies/hiresweet-13400) — **HireSweet** · YC Winter 2020 · B2B, Recruiting and Talent · Active · team 27 · yc_id:13400 — A talent acquisition software built for data-driven recruiting teams.
- [Hiro](https://lemstudio.co/yc-companies/hiro-28885) — **Hiro** · YC Summer 2023 · B2B, Security · Active · team 2 · yc_id:28885 — Agents that handle security work
- [HistoWiz](https://lemstudio.co/yc-companies/histowiz-1053) — **HistoWiz** · YC Winter 2016 · Healthcare, Healthcare Services · Active · team 2 · yc_id:1053 — Accelerating Histopathology for Cancer Research 
- [HitPay](https://lemstudio.co/yc-companies/hitpay-24539) — **HitPay** · YC Summer 2021 · Fintech, Payments · Active · team 42 · yc_id:24539 — Full-stack payments infrastructure for growing APAC businesses
- [Hive](https://lemstudio.co/yc-companies/hive-714) — **Hive** · YC Summer 2014 · B2B, Marketing · Active · team 65 · yc_id:714 — Marketing automation for event promoters (email, sms, ads, CRM)
- [Hive Health](https://lemstudio.co/yc-companies/hive-health-23953) — **Hive Health** · YC Summer 2021 · Healthcare · Active · yc_id:23953 — Simplified digital health insurance for Filipino SMBs
- [Hivy](https://lemstudio.co/yc-companies/hivy-1505) — **Hivy** · YC Winter 2017 · B2B, Office Management · Acquired · yc_id:1505 — An end-to-end platform for office management. We enable office…
- [Hlabs](https://lemstudio.co/yc-companies/hlabs-31062) — **Hlabs** · YC Winter 2026 · Industrials · Active · team 1 · yc_id:31062 — US-Made Parts for Robots
- [HOAi](https://lemstudio.co/yc-companies/hoai-25923) — **HOAi** · YC Winter 2022 · B2B, Operations · Acquired · team 10 · yc_id:25923 — AI agent for community management
- [HockeyStack](https://lemstudio.co/yc-companies/hockeystack-28589) — **HockeyStack** · YC Summer 2023 · B2B, Sales · Active · team 32 · yc_id:28589 — The operating system for inbound B2B revenue
- [Hogaru](https://lemstudio.co/yc-companies/hogaru-1519) — **Hogaru** · YC Winter 2017 · Consumer, Home and Personal · Active · team 746 · yc_id:1519 — Hogaru is a tech-enabled home services platform in Latin America. 
- [HOKALI](https://lemstudio.co/yc-companies/hokali-25606) — **HOKALI** · YC Winter 2022 · B2B, Marketing · Active · team 12 · yc_id:25606 — After School & Enrichment Activities Marketplace
- [Holy Grail](https://lemstudio.co/yc-companies/holy-grail-12838) — **Holy Grail** · YC Summer 2019 · B2B · Active · team 7 · yc_id:12838
- [Homebase](https://lemstudio.co/yc-companies/homebase-22983) — **Homebase** · YC Winter 2021 · Real Estate and Construction, Housing and Real Estate · Active · team 20 · yc_id:22983 — Personalized rent-to-own real estate financing using technology in SEA
- [HomeBreeze](https://lemstudio.co/yc-companies/homebreeze-23242) — **HomeBreeze** · YC Winter 2021 · Consumer, Home and Personal · Inactive · team 45 · yc_id:23242 — The fastest and easiest way to make home upgrades
- [Homeflow](https://lemstudio.co/yc-companies/homeflow-27921) — **Homeflow** · YC Winter 2023 · Real Estate and Construction, Housing and Real Estate · Inactive · team 4 · yc_id:27921 — Simplifying insurance for large real estate investors
- [Homejoy](https://lemstudio.co/yc-companies/homejoy-191) — **Homejoy** · YC Summer 2010 · Consumer, Home and Personal · Acquired · team 201 · yc_id:191 — platform for home service professionals
- [HomeRoom](https://lemstudio.co/yc-companies/homeroom-25396) — **HomeRoom** · YC Winter 2022 · Real Estate and Construction, Housing and Real Estate · Acquired · team 25 · yc_id:25396 — We Rent Your Property by the Room.  You earn 50% more Rent.
- [Homestead](https://lemstudio.co/yc-companies/homestead-13166) — **Homestead** · YC Winter 2020 · Real Estate and Construction, Housing and Real Estate · Inactive · team 14 · yc_id:13166 — Homestead is a real estate development platform for homeowners
- [HOMLI](https://lemstudio.co/yc-companies/homli-27109) — **HOMLI** · YC Summer 2022 · Real Estate and Construction, Housing and Real Estate · Active · team 20 · yc_id:27109 — Sell your home without brokers
- [Hona](https://lemstudio.co/yc-companies/hona-27961) — **Hona** · YC Winter 2023 · B2B, Legal · Active · team 32 · yc_id:27961 — Personal Injury Legal Work - Automated
- [Honeydew](https://lemstudio.co/yc-companies/honeydew-27951) — **Honeydew** · YC Winter 2023 · B2B, Analytics · Active · team 6 · yc_id:27951 — The home for shared data logic
- [Honeydue](https://lemstudio.co/yc-companies/honeydue-1657) — **Honeydue** · YC Summer 2017 · Fintech, Consumer Finance · Acquired · team 2 · yc_id:1657 — The simplest way for couples to manage money, together
- [Honeylove](https://lemstudio.co/yc-companies/honeylove-1886) — **Honeylove** · YC Summer 2018 · Consumer, Apparel and Cosmetics · Active · team 100 · yc_id:1886 — Honeylove makes functional undergarments for women
- [hoop.dev](https://lemstudio.co/yc-companies/hoop-dev-23460) — **hoop.dev** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:23460 — Code review for DevOps tasks
- [Hop Aero](https://lemstudio.co/yc-companies/hop-aero-33277) — **Hop Aero** · YC Summer 2026 · Industrials, Defense · Active · team 6 · yc_id:33277 — Rocket cargo delivery to contested environments
- [Hoplite](https://lemstudio.co/yc-companies/hoplite-32089) — **Hoplite** · YC Summer 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:32089 — Effortlessly deploy cloud software factories.
- [Hopper](https://lemstudio.co/yc-companies/hopper-35265) — **Hopper** · YC Fall 2026 · B2B, Infrastructure · Active · team 2 · yc_id:35265 — Fast inference for voice
- [Hoss](https://lemstudio.co/yc-companies/hoss-13095) — **Hoss** · YC Winter 2020 · B2B, Engineering, Product and Design · Acquired · team 3 · yc_id:13095 — The developer experience platform
- [hotglue](https://lemstudio.co/yc-companies/hotglue-23944) — **hotglue** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 13 · yc_id:23944 — Native user-facing SaaS integrations for your customers
- [Hotplate](https://lemstudio.co/yc-companies/hotplate-22053) — **Hotplate** · YC Summer 2020 · Consumer, Food and Beverage · Active · team 9 · yc_id:22053 — Online ordering platform for independent chefs and bakers.
- [Hotspots](https://lemstudio.co/yc-companies/hotspots-148) — **Hotspots** · YC Winter 2011 · B2B, Marketing · Acquired · team 2 · yc_id:148 — Real-time analytics (acq by TWTR, 2012)
- [Houm](https://lemstudio.co/yc-companies/houm-23266) — **Houm** · YC Winter 2021 · Real Estate and Construction, Housing and Real Estate · Active · team 400 · yc_id:23266 — All-in-one real estate marketplace for Latin America
- [Housewarming](https://lemstudio.co/yc-companies/housewarming-25983) — **Housewarming** · YC Winter 2022 · Consumer · Active · team 4 · yc_id:25983 — Share casual moments with the people you care about
- [HoverChat](https://lemstudio.co/yc-companies/hoverchat-607) — **HoverChat** · YC Winter 2014 · Fintech, Asset Management · Inactive · team 11 · yc_id:607 — Message without interrupting what you're doing
- [Howdy.com](https://lemstudio.co/yc-companies/howdy-com-22658) — **Howdy.com** · YC Winter 2021 · B2B, Recruiting and Talent · Active · team 140 · yc_id:22658 — We help US tech companies hire and manage software engineers in LATAM
- [Hub](https://lemstudio.co/yc-companies/hub-31375) — **Hub** · YC Spring 2026 · B2B, Infrastructure · Active · team 10 · yc_id:31375 — Real-world training data for frontier AI labs and robotics.
- [Hubble](https://lemstudio.co/yc-companies/hubble-33062) — **Hubble** · YC Summer 2026 · Healthcare, Healthcare IT · Active · team 2 · yc_id:33062 — AI-native retrieval engine for medical records
- [Hubble Network](https://lemstudio.co/yc-companies/hubble-network-25313) — **Hubble Network** · YC Winter 2022 · Industrials, Aviation and Space · Active · team 50 · yc_id:25313 — Bluetooth to Space
- [Hubla](https://lemstudio.co/yc-companies/hubla-22278) — **Hubla** · YC Summer 2020 · B2B, Sales · Active · team 86 · yc_id:22278 — All-in-one platform for creators to sell courses and subscriptions
- [Hublo](https://lemstudio.co/yc-companies/hublo-678) — **Hublo** · YC Summer 2014 · B2B, Analytics · Acquired · team 2 · yc_id:678 — Hublo is making data-driven marketing simpler. It's a super simple…
- [HUBUC](https://lemstudio.co/yc-companies/hubuc-23453) — **HUBUC** · YC Winter 2021 · Fintech, Payments · Active · team 11 · yc_id:23453 — Global Card Issuing and Payment Processing Engine
- [HUD](https://lemstudio.co/yc-companies/hud-30254) — **HUD** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 15 · yc_id:30254 — Platform for building RL environments and evals 
- [Huddlefire](https://lemstudio.co/yc-companies/huddlefire-22784) — **Huddlefire** · YC Winter 2021 · B2B, Marketing · Inactive · team 2 · yc_id:22784 — Turbocharge customer acquisition through exclusive SaaS partnerships
- [Hudson Labs (formerly Bedrock AI)](https://lemstudio.co/yc-companies/hudson-labs-formerly-bedrock-ai-24586) — **Hudson Labs (formerly Bedrock AI)** · YC Summer 2021 · B2B, Finance and Accounting · Active · team 5 · yc_id:24586 — AI-powered equity research software
- [Hudu](https://lemstudio.co/yc-companies/hudu-22942) — **Hudu** · YC Winter 2021 · B2B, Operations · Active · team 26 · yc_id:22942 — The Most-Loved IT Documentation Platform
- [Hue](https://lemstudio.co/yc-companies/hue-34431) — **Hue** · YC Fall 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:34431 — Test agents in realistic worlds built from production usage
- [Hum](https://lemstudio.co/yc-companies/hum-538) — **Hum** · YC Summer 2013 · B2B, Productivity · Inactive · team 11 · yc_id:538 — A chat program that integrates with email, with presence.
- [Humaans](https://lemstudio.co/yc-companies/humaans-22638) — **Humaans** · YC Winter 2021 · B2B, Human Resources · Active · team 48 · yc_id:22638 — AI-Powered HRIS for high performing teams
- [Human Archive](https://lemstudio.co/yc-companies/human-archive-31205) — **Human Archive** · YC Winter 2026 · Industrials, Manufacturing and Robotics · Active · team 100 · yc_id:31205 — Physical AI data lab
- [Human Behavior](https://lemstudio.co/yc-companies/human-behavior-30497) — **Human Behavior** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30497 — Understand your users beyond the numbers
- [Human Dx](https://lemstudio.co/yc-companies/human-dx-403) — **Human Dx** · YC Summer 2012 · Healthcare, Healthcare IT · Active · team 11 · yc_id:403 — The Human Diagnosis Project.
- [Human Interest](https://lemstudio.co/yc-companies/human-interest-967) — **Human Interest** · YC Summer 2015 · B2B, Human Resources · Active · team 765 · yc_id:967 — The 401(k) for small and medium-sized businesses.
- [Humance](https://lemstudio.co/yc-companies/humance-23636) — **Humance** · YC Winter 2021 · Real Estate and Construction, Construction · Active · team 3 · yc_id:23636 — AI that keeps complex construction projects on schedule.
- [Humand](https://lemstudio.co/yc-companies/humand-25991) — **Humand** · YC Winter 2022 · B2B, Human Resources · Active · team 270 · yc_id:25991 — All-in-one app for internal communication and HR
- [Humane Genomics](https://lemstudio.co/yc-companies/humane-genomics-24601) — **Humane Genomics** · YC Summer 2021 · Healthcare, Therapeutics · Active · team 5 · yc_id:24601 — A platform to make artificial viruses as cancer therapeutics.
- [HumanLayer](https://lemstudio.co/yc-companies/humanlayer-30129) — **HumanLayer** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30129 — The multiplayer control plane for your software factory
- [Humanloop](https://lemstudio.co/yc-companies/humanloop-21894) — **Humanloop** · YC Summer 2020 · B2B, Engineering, Product and Design · Acquired · team 14 · yc_id:21894 — Humanloop is the LLM evals platform for enterprises. 
- [Humanly](https://lemstudio.co/yc-companies/humanly-13572) — **Humanly** · YC Winter 2020 · B2B, Recruiting and Talent · Active · team 30 · yc_id:13572 — We empower the world’s hiring teams to grow engaged, high-performing…
- [Humble Bundle](https://lemstudio.co/yc-companies/humble-bundle-152) — **Humble Bundle** · YC Winter 2011 · Consumer, Gaming · Acquired · team 100 · yc_id:152 — Pay what you want for awesome games and other content while giving to…
- [Humi](https://lemstudio.co/yc-companies/humi-1573) — **Humi** · YC Winter 2017 · B2B, Human Resources · Acquired · team 141 · yc_id:1573 — Payroll, HR, and Health Benefits for Canada's SMB's
- [Humoniq](https://lemstudio.co/yc-companies/humoniq-30732) — **Humoniq** · YC Summer 2025 · B2B · Active · team 5 · yc_id:30732 — Airline customer service, fully automated.
- [Humwork](https://lemstudio.co/yc-companies/humwork-30646) — **Humwork** · YC Spring 2026 · B2B · Active · team 2 · yc_id:30646 — Human experts as API for AI Agents
- [Hundred](https://lemstudio.co/yc-companies/hundred-37732) — **Hundred** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:37732 — 100% automated inspection for consumer electronics parts
- [Hungry Labs](https://lemstudio.co/yc-companies/hungry-labs-131) — **Hungry Labs** · YC Summer 2011 · Consumer, Social · Inactive · team 2 · yc_id:131 — Now part of Snaplayer.
- [Hunter2](https://lemstudio.co/yc-companies/hunter2-1821) — **Hunter2** · YC Winter 2018 · B2B, Security · Acquired · yc_id:1821 — Hunter2 trains engineering teams in application security through…
- [Huscarl](https://lemstudio.co/yc-companies/huscarl-31564) — **Huscarl** · YC Spring 2026 · Fintech, Insurance · Active · team 2 · yc_id:31564 — AI-native actuary enabling self-insurance for corporations
- [Hush](https://lemstudio.co/yc-companies/hush-1219) — **Hush** · YC Summer 2016 · Consumer, Apparel and Cosmetics · Inactive · team 2 · yc_id:1219 — Hush is the top social commerce app in the United States. 
- [Hutsy](https://lemstudio.co/yc-companies/hutsy-11987) — **Hutsy** · YC Summer 2019 · Real Estate and Construction, Housing and Real Estate · Inactive · team 3 · yc_id:11987 — Home Buying on Autopilot
- [HYBRD](https://lemstudio.co/yc-companies/hybrd-30064) — **HYBRD** · YC Fall 2024 · Consumer · Active · team 5 · yc_id:30064 — coaching agents for athletes
- [Hydra](https://lemstudio.co/yc-companies/hydra-25738) — **Hydra** · YC Winter 2022 · B2B, Infrastructure · Acquired · team 6 · yc_id:25738 — Serverless Analytics on Postgres
- [HyLight](https://lemstudio.co/yc-companies/hylight-28593) — **HyLight** · YC Summer 2023 · Industrials, Climate · Active · team 37 · yc_id:28593 — Unmanned airships for inspecting our critical assets
- [HypaHub](https://lemstudio.co/yc-companies/hypahub-25448) — **HypaHub** · YC Winter 2022 · B2B, Analytics · Acquired · team 6 · yc_id:25448 — A Cloud-Based Bioinformatics and AI Platform 
- [hypcloud](https://lemstudio.co/yc-companies/hypcloud-1975) — **hypcloud** · YC Summer 2018 · Real Estate and Construction, Housing and Real Estate · Acquired · team 14 · yc_id:1975 — A tech-enabled commercial mortgage broker. hypcloud allows property…
- [Hype](https://lemstudio.co/yc-companies/hype-26812) — **Hype** · YC Summer 2022 · Consumer · Active · team 3 · yc_id:26812 — Trade memecoins 
- [Hype and Vice](https://lemstudio.co/yc-companies/hype-and-vice-12578) — **Hype and Vice** · YC Summer 2019 · Consumer, Apparel and Cosmetics · Active · team 55 · yc_id:12578 — Fashionable college, NBA and MLS apparel.
- [Hyper](https://lemstudio.co/yc-companies/hyper-31548) — **Hyper** · YC Spring 2026 · B2B, Productivity · Active · team 2 · yc_id:31548 — Company brain that powers your AI employees
- [Hyper](https://lemstudio.co/yc-companies/hyper-22763) — **Hyper** · YC Summer 2021 · Fintech, Payments · Acquired · team 6 · yc_id:22763 — Sell memberships to your Discord server
- [Hyper Online](https://lemstudio.co/yc-companies/hyper-online-21993) — **Hyper Online** · YC Summer 2020 · Consumer, Social · Inactive · team 7 · yc_id:21993 — Social avatar platform for VTubers
- [Hyperbeam](https://lemstudio.co/yc-companies/hyperbeam-25509) — **Hyperbeam** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:25509 — API for shared embeddable web browsers
- [Hyperbound](https://lemstudio.co/yc-companies/hyperbound-28788) — **Hyperbound** · YC Summer 2023 · B2B, Sales · Active · team 30 · yc_id:28788 — Revenue Activation Platform
- [Hyperbrowser](https://lemstudio.co/yc-companies/hyperbrowser-24206) — **Hyperbrowser** · YC Summer 2021 · B2B, Security · Active · team 4 · yc_id:24206 — Web infra for AI agents
- [Hypercontext](https://lemstudio.co/yc-companies/hypercontext-24351) — **Hypercontext** · YC Summer 2021 · B2B, Productivity · Inactive · team 15 · yc_id:24351 — Meeting agendas, notes, & goals that tie back to your OKRs
- [Hypercore](https://lemstudio.co/yc-companies/hypercore-24150) — **Hypercore** · YC Summer 2021 · Fintech, Credit and Lending · Active · team 7 · yc_id:24150 — Loan management software for private lenders
- [Hypercubic](https://lemstudio.co/yc-companies/hypercubic-30879) — **Hypercubic** · YC Fall 2025 · B2B · Active · team 3 · yc_id:30879 — Agentic AI for Mainframe Operations and Modernization
- [HyperDX](https://lemstudio.co/yc-companies/hyperdx-26657) — **HyperDX** · YC Summer 2022 · B2B, Engineering, Product and Design · Acquired · team 4 · yc_id:26657 — Open-source, dev-friendly observability.
- [HyperGlue](https://lemstudio.co/yc-companies/hyperglue-22778) — **HyperGlue** · YC Winter 2021 · B2B, Analytics · Acquired · team 5 · yc_id:22778 — Business intelligence on text
- [Hyperink](https://lemstudio.co/yc-companies/hyperink-154) — **Hyperink** · YC Winter 2011 · Consumer, Content · Inactive · team 11 · yc_id:154 — Ebook publisher.
- [Hypermile](https://lemstudio.co/yc-companies/hypermile-21811) — **Hypermile** · YC Summer 2020 · B2B, Engineering, Product and Design · Acquired · team 11 · yc_id:21811 — Driver co-pilot to make trucking more efficient
- [Hyperpad](https://lemstudio.co/yc-companies/hyperpad-673) — **Hyperpad** · YC Summer 2014 · Consumer, Gaming · Active · team 4 · yc_id:673 — Create, Share, Play Mobile Games on the iPad.
- [HyperProbe](https://lemstudio.co/yc-companies/hyperprobe-33177) — **HyperProbe** · YC Summer 2026 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:33177 — AI engineer that debugs and fixes production incidents in realtime
- [Hyperseed](https://lemstudio.co/yc-companies/hyperseed-23727) — **Hyperseed** · YC Summer 2021 · B2B, Finance and Accounting · Inactive · team 3 · yc_id:23727 — Zapier for billing
- [Hyperspell](https://lemstudio.co/yc-companies/hyperspell-30854) — **Hyperspell** · YC Fall 2025 · B2B, Infrastructure · Active · team 8 · yc_id:30854 — Your Company Brain
- [HyperTrader](https://lemstudio.co/yc-companies/hypertrader-24177) — **HyperTrader** · YC Summer 2021 · Fintech · Active · team 10 · yc_id:24177 — The Trading Terminal For Crypto Traders
- [Hypestream](https://lemstudio.co/yc-companies/hypestream-26818) — **Hypestream** · YC Summer 2022 · B2B · Active · team 2 · yc_id:26818 — We help livestream sellers get more sales.
- [Hypnos](https://lemstudio.co/yc-companies/hypnos-12090) — **Hypnos** · YC Winter 2019 · Consumer · Inactive · team 3 · yc_id:12090 — AI-powered sleep coach learns and optimizes your sleep
- [Hypotenuse AI](https://lemstudio.co/yc-companies/hypotenuse-ai-21857) — **Hypotenuse AI** · YC Summer 2020 · B2B · Active · team 15 · yc_id:21857 — AI-native Operating System for Enterprise Ecommerce Companies
- [Hyrex](https://lemstudio.co/yc-companies/hyrex-29660) — **Hyrex** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29660 — The COLD Task Framework
- [Iambiq Technologies](https://lemstudio.co/yc-companies/iambiq-technologies-1853) — **Iambiq Technologies** · YC Winter 2018 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:1853
- [Icarus](https://lemstudio.co/yc-companies/icarus-30965) — **Icarus** · YC Fall 2025 · Industrials, Defense · Active · team 50 · yc_id:30965 — Stratospheric birds for defense
- [IcePanel](https://lemstudio.co/yc-companies/icepanel-27911) — **IcePanel** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 9 · yc_id:27911 — Design and explain complex software architecture.
- [iCracked](https://lemstudio.co/yc-companies/icracked-6) — **iCracked** · YC Winter 2012 · Consumer, Home and Personal · Acquired · team 51 · yc_id:6 — On-demand smartphone repair in 3 countries and launching smart home…
- [ideate.xyz](https://lemstudio.co/yc-companies/ideate-xyz-29653) — **ideate.xyz** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29653 — ideate.xyz is an AI-powered 3D art suite on the web
- [idemeum](https://lemstudio.co/yc-companies/idemeum-24679) — **idemeum** · YC Summer 2021 · B2B, Security · Active · team 10 · yc_id:24679 — AI-powered Application Control
- [idler](https://lemstudio.co/yc-companies/idler-30730) — **idler** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 12 · yc_id:30730 — Hill-climb any benchmark, for any model, in any domain.
- [Ignition Benefits](https://lemstudio.co/yc-companies/ignition-benefits-36015) — **Ignition Benefits** · YC Fall 2026 · Fintech, Insurance · Active · team 8 · yc_id:36015 — The AI-Native Benefits Brokerage
- [iJigg/Top440](https://lemstudio.co/yc-companies/ijigg-top440-330) — **iJigg/Top440** · YC Summer 2007 · Consumer, Social · Inactive · team 2 · yc_id:330
- [iLabService](https://lemstudio.co/yc-companies/ilabservice-2026) — **iLabService** · YC Summer 2018 · B2B, Productivity · Active · team 50 · yc_id:2026 — AIoT monitoring, workflow, and evidence systems for regulated labs.
- [Illume Labs](https://lemstudio.co/yc-companies/illume-labs-31340) — **Illume Labs** · YC Summer 2026 · Healthcare, Consumer Health and Wellness · Active · team 3 · yc_id:31340 — 24/7 Personal Health & Longevity Companion
- [Illuminant Surgical](https://lemstudio.co/yc-companies/illuminant-surgical-26806) — **Illuminant Surgical** · YC Summer 2022 · Healthcare, Medical Devices · Active · team 11 · yc_id:26806 — A new way of seeing inside the human body.
- [ilumadata](https://lemstudio.co/yc-companies/ilumadata-26726) — **ilumadata** · YC Summer 2022 · B2B, Analytics · Inactive · team 2 · yc_id:26726 — Confidently ship analytics code faster with fewer errors
- [Imagine AI](https://lemstudio.co/yc-companies/imagine-ai-30938) — **Imagine AI** · YC Fall 2025 · B2B, Sales · Active · team 5 · yc_id:30938 — We reverse engineer B2B growth, starting with LinkedIn.
- [Imgfave](https://lemstudio.co/yc-companies/imgfave-396) — **Imgfave** · YC Summer 2012 · Consumer, Content · Inactive · team 2 · yc_id:396 — A fun image sharing community.
- [Imgix](https://lemstudio.co/yc-companies/imgix-116) — **Imgix** · YC Summer 2011 · B2B, Infrastructure · Active · team 34 · yc_id:116 — The platform for your visual media.
- [Immunity Project](https://lemstudio.co/yc-companies/immunity-project-647) — **Immunity Project** · YC Winter 2014 · Unspecified · Active · team 11 · yc_id:647 — The free HIV vaccine.
- [IMPACT Drones](https://lemstudio.co/yc-companies/impact-drones-32188) — **IMPACT Drones** · YC Summer 2026 · Industrials, Defense · Active · team 2 · yc_id:32188 — Air Defense as a Service for Civilian Infrastructure.
- [Impactive (formerly Outvote)](https://lemstudio.co/yc-companies/impactive-formerly-outvote-1954) — **Impactive (formerly Outvote)** · YC Summer 2018 · Government · Acquired · team 15 · yc_id:1954 — Political/civic tech helping progressive campaigns organize & mobilize
- [Imperfect](https://lemstudio.co/yc-companies/imperfect-31076) — **Imperfect** · YC Spring 2026 · Consumer · Active · team 5 · yc_id:31076 — Adaptive training coach for runners, cyclists, and triathletes 
- [Impossible Metals](https://lemstudio.co/yc-companies/impossible-metals-26072) — **Impossible Metals** · YC Winter 2022 · Industrials, Climate · Active · team 20 · yc_id:26072 — Underwater robotic vehicles that collect  battery metals responsibly
- [Impractical](https://lemstudio.co/yc-companies/impractical-26722) — **Impractical** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:26722 — Your autonomous motion designer that turns every feature into a…
- [Impraise](https://lemstudio.co/yc-companies/impraise-680) — **Impraise** · YC Summer 2014 · B2B, Human Resources · Acquired · team 35 · yc_id:680 — Enable managers to create an effective work environment for their team
- [Imprezia](https://lemstudio.co/yc-companies/imprezia-30650) — **Imprezia** · YC Summer 2025 · B2B, Infrastructure · Active · team 4 · yc_id:30650 — The World's First AI Ad Network.
- [IMT Care](https://lemstudio.co/yc-companies/imt-care-25654) — **IMT Care** · YC Winter 2022 · Healthcare, Consumer Health and Wellness · Active · team 23 · yc_id:25654 — Disrupting Indian Insurance space by empowering distrubutors
- [In Stock](https://lemstudio.co/yc-companies/in-stock-21999) — **In Stock** · YC Summer 2020 · B2B, Retail · Inactive · team 2 · yc_id:21999 — Find any product, in stock nearby
- [In Your Corner](https://lemstudio.co/yc-companies/in-your-corner-696) — **In Your Corner** · YC Summer 2014 · Healthcare, Healthcare Services · Inactive · team 2 · yc_id:696 — We've transformed traditional therapy into an experience that is…
- [inai](https://lemstudio.co/yc-companies/inai-24329) — **inai** · YC Summer 2021 · Fintech, Payments · Acquired · team 14 · yc_id:24329 — Segment for global payments
- [Inari](https://lemstudio.co/yc-companies/inari-29006) — **Inari** · YC Summer 2023 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:29006 — Your junior AI product manager
- [inBalance](https://lemstudio.co/yc-companies/inbalance-23318) — **inBalance** · YC Winter 2021 · Industrials, Energy · Acquired · team 10 · yc_id:23318 — Electricity price forecasts for energy storage, ev charging, etc.
- [inBuild](https://lemstudio.co/yc-companies/inbuild-28019) — **inBuild** · YC Winter 2023 · B2B · Active · team 12 · yc_id:28019 — Workflow Automation for Construction Finance 
- [Incandor](https://lemstudio.co/yc-companies/incandor-31365) — **Incandor** · YC Spring 2026 · B2B · Active · yc_id:31365 — Behavioral intelligence infrastructure for anti-fraud
- [IncidentFox](https://lemstudio.co/yc-companies/incidentfox-31165) — **IncidentFox** · YC Winter 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31165 — AI SRE agent that triages, coordinates, and fixes production incidents
- [Inconvo](https://lemstudio.co/yc-companies/inconvo-29103) — **Inconvo** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29103 — Build chat-with-data agents for customer-facing applications
- [Increase](https://lemstudio.co/yc-companies/increase-21727) — **Increase** · YC Summer 2020 · Fintech, Banking and Exchange · Active · team 15 · yc_id:21727 — API-first banking for ambitious technology companies.
- [Indee Labs](https://lemstudio.co/yc-companies/indee-labs-1551) — **Indee Labs** · YC Winter 2017 · Healthcare, Drug Discovery and Delivery · Active · team 5 · yc_id:1551 — Enabling T cell immunotherapy discovery, development and manufacturing
- [Indemni](https://lemstudio.co/yc-companies/indemni-29533) — **Indemni** · YC Winter 2024 · B2B, Supply Chain and Logistics · Active · team 7 · yc_id:29533 — Cargo Theft and Fraud Prevention Platform
- [Inden](https://lemstudio.co/yc-companies/inden-25913) — **Inden** · YC Winter 2022 · B2B · Active · team 4 · yc_id:25913 — How people actually talk to machines.
- [Index](https://lemstudio.co/yc-companies/index-1077) — **Index** · YC Winter 2016 · B2B, Sales · Inactive · team 5 · yc_id:1077 — Mapping the world's professional relationships. 
- [Indexable](https://lemstudio.co/yc-companies/indexable-31523) — **Indexable** · YC Spring 2026 · B2B, Infrastructure · Active · team 3 · yc_id:31523 — sandbox infrastructure for AI agents
- [Indexical](https://lemstudio.co/yc-companies/indexical-27705) — **Indexical** · YC Winter 2023 · B2B, Infrastructure · Inactive · team 2 · yc_id:27705 — AI-powered data extraction engine
- [inDinero](https://lemstudio.co/yc-companies/indinero-200) — **inDinero** · YC Summer 2010 · B2B, Finance and Accounting · Active · team 250 · yc_id:200 — Financial dashboard for businesses.
- [Indivio](https://lemstudio.co/yc-companies/indivio-1644) — **Indivio** · YC Summer 2017 · B2B, Marketing · Acquired · team 8 · yc_id:1644 — Customize videos to be more relevant and improve business outcomes.
- [Induction Labs](https://lemstudio.co/yc-companies/induction-labs-30672) — **Induction Labs** · YC Summer 2026 · B2B, Infrastructure · Active · team 2 · yc_id:30672 — Building intellectually curious AI
- [Industrial Microbes](https://lemstudio.co/yc-companies/industrial-microbes-813) — **Industrial Microbes** · YC Winter 2015 · Healthcare, Industrial Bio · Active · team 12 · yc_id:813 — We design and build microbes to make chemicals greener at lower cost.
- [Industrial Next](https://lemstudio.co/yc-companies/industrial-next-25400) — **Industrial Next** · YC Winter 2022 · Industrials, Manufacturing and Robotics · Active · team 9 · yc_id:25400 — IndustrialNext builds the AI brain for manufacturing –…
- [InEvent](https://lemstudio.co/yc-companies/inevent-12842) — **InEvent** · YC Summer 2019 · B2B, Marketing · Active · team 150 · yc_id:12842 — In-Person, Hybrid and Virtual Event Management Software
- [Inevitable Tech](https://lemstudio.co/yc-companies/inevitable-tech-1012) — **Inevitable Tech** · YC Winter 2016 · Industrials, Agriculture · Inactive · team 80 · yc_id:1012 — To make food a renewable resource, for everyone
- [inFeedo AI](https://lemstudio.co/yc-companies/infeedo-ai-21772) — **inFeedo AI** · YC Summer 2020 · B2B, Human Resources · Active · team 150 · yc_id:21772 — AI to engage employees, predict attrition and automate HR/IT support
- [Infer](https://lemstudio.co/yc-companies/infer-24615) — **Infer** · YC Summer 2021 · B2B, Sales · Active · team 9 · yc_id:24615 — Operating system for insurance agencies
- [Infera](https://lemstudio.co/yc-companies/infera-31441) — **Infera** · YC Spring 2026 · Healthcare, Industrial Bio · Active · team 2 · yc_id:31441 — Control lab instruments with natural language.
- [InferEdge](https://lemstudio.co/yc-companies/inferedge-25394) — **InferEdge** · YC Winter 2022 · Fintech · Active · team 20 · yc_id:25394 — Agentic AI for buy-side firms
- [Infield](https://lemstudio.co/yc-companies/infield-13168) — **Infield** · YC Winter 2020 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:13168 — Safer, faster dependency upgrades
- [Infina](https://lemstudio.co/yc-companies/infina-24572) — **Infina** · YC Summer 2021 · Fintech · Active · team 50 · yc_id:24572 — Leading wealth management and investing platform in Vietnam
- [Infinia](https://lemstudio.co/yc-companies/infinia-27957) — **Infinia** · YC Winter 2023 · Fintech, Payments · Active · team 28 · yc_id:27957 — Move money programmatically - built for developers
- [Infinite](https://lemstudio.co/yc-companies/infinite-30295) — **Infinite** · YC Winter 2025 · Fintech, Payments · Active · team 4 · yc_id:30295 — Global B2B Stablecoin Processor
- [Infinity](https://lemstudio.co/yc-companies/infinity-29343) — **Infinity** · YC Winter 2024 · Fintech, Payments · Active · team 15 · yc_id:29343 — Business banking for cross-border SMBs & Startups
- [Infisical](https://lemstudio.co/yc-companies/infisical-27664) — **Infisical** · YC Winter 2023 · B2B, Security · Active · team 50 · yc_id:27664 — Unified platform for secrets, certs, and privileged access management
- [Infiuss Health](https://lemstudio.co/yc-companies/infiuss-health-24373) — **Infiuss Health** · YC Summer 2021 · B2B · Active · team 4 · yc_id:24373 — 2 sided Marketplace for accelerating medical research
- [Inflection Space Systems](https://lemstudio.co/yc-companies/inflection-space-systems-35025) — **Inflection Space Systems** · YC Fall 2026 · Industrials, Aviation and Space · Active · yc_id:35025 — Hyperscaling space manufacturing
- [Inflow](https://lemstudio.co/yc-companies/inflow-24443) — **Inflow** · YC Summer 2021 · Healthcare, Therapeutics · Acquired · team 20 · yc_id:24443 — A self-help app for people to manage their ADHD.
- [InfluxData](https://lemstudio.co/yc-companies/influxdata-490) — **InfluxData** · YC Winter 2013 · B2B, Infrastructure · Active · team 210 · yc_id:490 — The platform for building and operating time series applications.
- [Infogami](https://lemstudio.co/yc-companies/infogami-380) — **Infogami** · YC Summer 2005 · B2B, Analytics · Inactive · team 2 · yc_id:380
- [Infoharmoni](https://lemstudio.co/yc-companies/infoharmoni-236) — **Infoharmoni** · YC Winter 2010 · B2B, Marketing · Inactive · team 2 · yc_id:236
- [Infracost](https://lemstudio.co/yc-companies/infracost-23280) — **Infracost** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 25 · yc_id:23280 — Shift FinOps Left: Proactively Find & Fix Cloud Cost Issues
- [Inito](https://lemstudio.co/yc-companies/inito-12274) — **Inito** · YC Winter 2019 · Healthcare, Consumer Health and Wellness · Active · team 100 · yc_id:12274 — Enabling better self care with at-home hormone tracking.
- [Inkbox](https://lemstudio.co/yc-companies/inkbox-33014) — **Inkbox** · YC Summer 2026 · B2B, Infrastructure · Active · team 3 · yc_id:33014 — The identity and communication layer for AI agents
- [Inkeep](https://lemstudio.co/yc-companies/inkeep-27881) — **Inkeep** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 18 · yc_id:27881 — Build AI Agent teammates and automations in code or no-code
- [INKHUNTER](https://lemstudio.co/yc-companies/inkhunter-1921) — **INKHUNTER** · YC Summer 2018 · Consumer, Virtual and Augmented Reality · Inactive · team 3 · yc_id:1921 — Augmented Reality mobile app to try and buy tattoos
- [Inkling](https://lemstudio.co/yc-companies/inkling-366) — **Inkling** · YC Winter 2006 · B2B, Finance and Accounting · Acquired · team 11 · yc_id:366
- [Inlet](https://lemstudio.co/yc-companies/inlet-28991) — **Inlet** · YC Summer 2023 · B2B, Legal · Active · team 2 · yc_id:28991 — AI timekeeping for legal professionals.
- [InLoop Robotics](https://lemstudio.co/yc-companies/inloop-robotics-31369) — **InLoop Robotics** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 10 · yc_id:31369 — Robotic arms that pick and pack your orders.
- [InnaMed](https://lemstudio.co/yc-companies/innamed-1491) — **InnaMed** · YC Winter 2017 · Healthcare, Diagnostics · Inactive · team 7 · yc_id:1491 — At-home blood testing: measure + analyze + enhance.
- [Innate](https://lemstudio.co/yc-companies/innate-30097) — **Innate** · YC Fall 2024 · Consumer, Consumer Electronics · Active · team 7 · yc_id:30097 — Personal AI Robots
- [Innov8](https://lemstudio.co/yc-companies/innov8-1341) — **Innov8** · YC Summer 2016 · Real Estate and Construction, Housing and Real Estate · Acquired · team 100 · yc_id:1341 — We provide co-working offices to startups, freelancers and SMEs in…
- [InnoVein](https://lemstudio.co/yc-companies/innovein-1011) — **InnoVein** · YC Winter 2016 · Healthcare, Medical Devices · Inactive · team 5 · yc_id:1011 — We cure intractable leg wounds with a replacement valve for veins. 
- [Inokyo](https://lemstudio.co/yc-companies/inokyo-1912) — **Inokyo** · YC Summer 2018 · B2B, Retail · Inactive · team 10 · yc_id:1912 — We bring physical stores to the digital age with cashierless checkout.
- [InpharmD](https://lemstudio.co/yc-companies/inpharmd-23062) — **InpharmD** · YC Winter 2021 · Healthcare, Healthcare Services · Active · team 16 · yc_id:23062 — We provide a curated, evidence- based answer to any clinical question.
- [Inporia](https://lemstudio.co/yc-companies/inporia-132) — **Inporia** · YC Winter 2011 · Consumer, Apparel and Cosmetics · Inactive · team 11 · yc_id:132 — Fashion shopping email list.
- [InQuery](https://lemstudio.co/yc-companies/inquery-29342) — **InQuery** · YC Winter 2024 · Healthcare, Healthcare IT · Active · team 4 · yc_id:29342 — Intelligent Medical Record Reviews
- [Inscribe](https://lemstudio.co/yc-companies/inscribe-1917) — **Inscribe** · YC Summer 2018 · B2B, Infrastructure · Active · team 35 · yc_id:1917 — AI Document Fraud Detection for Banks, Credit Unions & Lenders
- [InsForge (InstaCloud)](https://lemstudio.co/yc-companies/insforge-instacloud-31547) — **InsForge (InstaCloud)** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:31547 — The agent-native serverless cloud
- [Insight](https://lemstudio.co/yc-companies/insight-11937) — **Insight** · YC Winter 2019 · Consumer · Acquired · team 3 · yc_id:11937 — The first extensible browser for iOS
- [Insight Data Science](https://lemstudio.co/yc-companies/insight-data-science-155) — **Insight Data Science** · YC Winter 2011 · Education · Inactive · team 11 · yc_id:155 — Turning PhDs & engineers into data scientists & data engineers
- [inSoma Bio](https://lemstudio.co/yc-companies/insoma-bio-22207) — **inSoma Bio** · YC Summer 2020 · Healthcare, Medical Devices · Active · team 4 · yc_id:22207 — Helping Plastic Surgeons Rebuild Fat
- [Insoshi](https://lemstudio.co/yc-companies/insoshi-321) — **Insoshi** · YC Winter 2008 · B2B, Productivity · Inactive · yc_id:321
- [Inspectify](https://lemstudio.co/yc-companies/inspectify-22257) — **Inspectify** · YC Summer 2020 · Real Estate and Construction, Housing and Real Estate · Active · team 75 · yc_id:22257 — Home Inspections, Simplified
- [InspectMind AI](https://lemstudio.co/yc-companies/inspectmind-ai-29511) — **InspectMind AI** · YC Winter 2024 · Real Estate and Construction, Construction · Active · team 2 · yc_id:29511 — AI agent for construction drawings review
- [InstaAgent](https://lemstudio.co/yc-companies/instaagent-31409) — **InstaAgent** · YC Spring 2026 · B2B, Marketing · Active · team 10 · yc_id:31409 — Scale marketing campaigns across hundreds of personas
- [Instacart](https://lemstudio.co/yc-companies/instacart-468) — **Instacart** · YC Summer 2012 · Consumer, Food and Beverage · Public · team 3000 · yc_id:468 — Marketplace for grocery delivery and pickup
- [Instacrops](https://lemstudio.co/yc-companies/instacrops-24079) — **Instacrops** · YC Summer 2021 · Industrials, Agriculture · Active · team 34 · yc_id:24079 — Helping farmers maximize crop yield
- [InstaKin](https://lemstudio.co/yc-companies/instakin-24143) — **InstaKin** · YC Summer 2021 · Fintech, Consumer Finance · Active · team 15 · yc_id:24143 — Financial Platform for Migrant Families in America
- [Instalab](https://lemstudio.co/yc-companies/instalab-24078) — **Instalab** · YC Winter 2022 · Healthcare, Consumer Health and Wellness · Active · yc_id:24078 — Proactive Testing and Treatments
- [Instant](https://lemstudio.co/yc-companies/instant-26655) — **Instant** · YC Summer 2022 · B2B, Engineering, Product and Design · Acquired · team 4 · yc_id:26655 — The best backend for AI-coded apps
- [Instant Labs](https://lemstudio.co/yc-companies/instant-labs-25451) — **Instant Labs** · YC Winter 2022 · B2B, Marketing · Active · team 1 · yc_id:25451 — Instant Labs builds modern tools to help you find and buy domain…
- [Instantq](https://lemstudio.co/yc-companies/instantq-264) — **Instantq** · YC Summer 2009 · B2B, Retail · Inactive · team 2 · yc_id:264
- [Instapainting](https://lemstudio.co/yc-companies/instapainting-146) — **Instapainting** · YC Winter 2011 · Consumer, Home and Personal · Active · team 2 · yc_id:146 — Custom-made artwork from artists e-commerce marketplace.
- [Instapath Inc.](https://lemstudio.co/yc-companies/instapath-inc-12077) — **Instapath Inc.** · YC Winter 2019 · Healthcare, Diagnostics · Active · team 6 · yc_id:12077 — We built the world's first automated digital pathology lab.
- [Instaplay](https://lemstudio.co/yc-companies/instaplay-32190) — **Instaplay** · YC Summer 2026 · Consumer, Gaming · Active · team 3 · yc_id:32190 — AI-native gaming platform turning every game into an RL environment
- [Instavest](https://lemstudio.co/yc-companies/instavest-770) — **Instavest** · YC Winter 2015 · Fintech, Asset Management · Inactive · team 2 · yc_id:770
- [Instawork](https://lemstudio.co/yc-companies/instawork-963) — **Instawork** · YC Summer 2015 · B2B, Recruiting and Talent · Active · team 500 · yc_id:963 — A flexible work app that connects businesses with hourly workers.
- [Instinct](https://lemstudio.co/yc-companies/instinct-31168) — **Instinct** · YC Winter 2026 · Fintech · Active · team 5 · yc_id:31168 — Trade with superhuman instinct
- [Instinct Space](https://lemstudio.co/yc-companies/instinct-space-30347) — **Instinct Space** · YC Winter 2025 · Industrials, Aviation and Space · Active · team 5 · yc_id:30347 — Building lunar landers
- [Instrumentl](https://lemstudio.co/yc-companies/instrumentl-1224) — **Instrumentl** · YC Summer 2016 · B2B · Active · team 100 · yc_id:1224 — Instrumentl automates grant discovery and management for nonprofits.
- [Insurf](https://lemstudio.co/yc-companies/insurf-32187) — **Insurf** · YC Summer 2026 · Healthcare · Active · team 3 · yc_id:32187 — The AI-Native Decision Layer for Health Insurance
- [Intact Therapeutics](https://lemstudio.co/yc-companies/intact-therapeutics-12056) — **Intact Therapeutics** · YC Winter 2019 · Healthcare, Therapeutics · Active · team 4 · yc_id:12056 — Smart gels for local drug delivery to the gut
- [Integrated Reasoning](https://lemstudio.co/yc-companies/integrated-reasoning-27261) — **Integrated Reasoning** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:27261 — Faster processors for solving NP-complete problems
- [Integration Labs](https://lemstudio.co/yc-companies/integration-labs-26738) — **Integration Labs** · YC Summer 2022 · B2B · Inactive · team 8 · yc_id:26738 — The Unified API for Business Financial Data 
- [Integuru](https://lemstudio.co/yc-companies/integuru-29498) — **Integuru** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:29498 — Generate fast, reliable APIs for any platform
- [Intellect](https://lemstudio.co/yc-companies/intellect-24353) — **Intellect** · YC Summer 2021 · Healthcare, Healthcare Services · Active · team 200 · yc_id:24353 — A modern-day mental healthcare company for global workforces.
- [Intelligence Factory](https://lemstudio.co/yc-companies/intelligence-factory-31560) — **Intelligence Factory** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 10 · yc_id:31560 — Human Intelligence for Robots
- [Intelligent](https://lemstudio.co/yc-companies/intelligent-22032) — **Intelligent** · YC Summer 2020 · B2B, Sales · Inactive · team 4 · yc_id:22032 — Demand Forecasting as a Service 
- [Intelline](https://lemstudio.co/yc-companies/intelline-11925) — **Intelline** · YC Winter 2019 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:11925 — Intelline makes the world's most efficient fuel agnostic engines for…
- [Interfaze](https://lemstudio.co/yc-companies/interfaze-31386) — **Interfaze** · YC Spring 2026 · B2B, Infrastructure · Active · team 5 · yc_id:31386 — AI model built for high accuracy deterministic tasks
- [Interfere](https://lemstudio.co/yc-companies/interfere-30789) — **Interfere** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:30789 — Give engineering, product, and design teams insight into unseen issues
- [Interlock](https://lemstudio.co/yc-companies/interlock-28113) — **Interlock** · YC Winter 2023 · B2B · Inactive · team 2 · yc_id:28113 — We are still in stealth mode.
- [InterPrime](https://lemstudio.co/yc-companies/interprime-11938) — **InterPrime** · YC Winter 2019 · B2B, Finance and Accounting · Acquired · team 3 · yc_id:11938 — Safe & Secure Cash Management for Businesses
- [Intersect Labs](https://lemstudio.co/yc-companies/intersect-labs-12584) — **Intersect Labs** · YC Summer 2019 · B2B, Engineering, Product and Design · Acquired · team 4 · yc_id:12584 — Collaborative data noteboook for business teams
- [Interstate](https://lemstudio.co/yc-companies/interstate-107) — **Interstate** · YC Summer 2011 · B2B, Productivity · Inactive · team 2 · yc_id:107 — Create & Share Product Roadmaps
- [Interstate Analytics](https://lemstudio.co/yc-companies/interstate-analytics-1039) — **Interstate Analytics** · YC Winter 2016 · B2B, Analytics · Inactive · team 2 · yc_id:1039 — Multi-Touch Marketing Analytics
- [Interviewed](https://lemstudio.co/yc-companies/interviewed-930) — **Interviewed** · YC Summer 2015 · B2B, Recruiting and Talent · Acquired · yc_id:930 — Job simulations and assessments.  See candidates in action doing the…
- [Inth](https://lemstudio.co/yc-companies/inth-31246) — **Inth** · YC Spring 2026 · B2B, Infrastructure · Active · team 3 · yc_id:31246 — Monitor and fix product privacy issues before they block growth
- [Intryc](https://lemstudio.co/yc-companies/intryc-29770) — **Intryc** · YC Summer 2024 · B2B, Operations · Active · team 12 · yc_id:29770 — Intryc is the unified quality assurance, governance, and training…
- [Intuned](https://lemstudio.co/yc-companies/intuned-27255) — **Intuned** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 15 · yc_id:27255 — Code-first scrapers and RPAs — built and maintained by AI
- [Invaria](https://lemstudio.co/yc-companies/invaria-29641) — **Invaria** · YC Summer 2024 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:29641 — The next generation logging and observability platform
- [Inventive AI](https://lemstudio.co/yc-companies/inventive-ai-29040) — **Inventive AI** · YC Summer 2023 · B2B, Sales · Active · team 15 · yc_id:29040 — AI Agents For RFP and Questionnaire Response Automation 
- [InventoryQuant](https://lemstudio.co/yc-companies/inventoryquant-31197) — **InventoryQuant** · YC Winter 2026 · B2B · Active · team 1 · yc_id:31197 — We automate the inventory process in insurance
- [Inversion Semiconductor](https://lemstudio.co/yc-companies/inversion-semiconductor-30233) — **Inversion Semiconductor** · YC Winter 2025 · Industrials, Manufacturing and Robotics · Active · team 9 · yc_id:30233 — Manufacturing the most powerful chips, 15x faster
- [Inversion Space](https://lemstudio.co/yc-companies/inversion-space-23819) — **Inversion Space** · YC Summer 2021 · Industrials, Aviation and Space · Active · team 28 · yc_id:23819 — Turning space into a transportation layer for Earth
- [Invert](https://lemstudio.co/yc-companies/invert-25399) — **Invert** · YC Winter 2022 · Healthcare, Industrial Bio · Active · team 25 · yc_id:25399 — Data analytics software for biomanufacturing.
- [Invertix](https://lemstudio.co/yc-companies/invertix-35355) — **Invertix** · YC Fall 2026 · Industrials, Energy · Active · team 8 · yc_id:35355 — Energy Superintelligence, AI that operates critical infrastructure
- [Inviscid AI](https://lemstudio.co/yc-companies/inviscid-ai-31023) — **Inviscid AI** · YC Winter 2026 · Industrials, Energy · Active · team 2 · yc_id:31023 — Real-time Physics Simulations for Industrial Facilities & Data Centers
- [InVision Medical Technology](https://lemstudio.co/yc-companies/invision-medical-technology-27224) — **InVision Medical Technology** · YC Summer 2022 · Healthcare · Active · team 2 · yc_id:27224 — AI Diagnosis of  Heart Disease
- [Invitris](https://lemstudio.co/yc-companies/invitris-28159) — **Invitris** · YC Winter 2023 · Healthcare, Drug Discovery and Delivery · Active · team 6 · yc_id:28159 — Creating new protein-based drugs at scale
- [Invo](https://lemstudio.co/yc-companies/invo-30020) — **Invo** · YC Winter 2025 · B2B · Active · team 1 · yc_id:30020 — infra for computer use agents
- [Invofox](https://lemstudio.co/yc-companies/invofox-27142) — **Invofox** · YC Summer 2022 · B2B, Finance and Accounting · Active · team 12 · yc_id:27142 — Invofox is the document parsing and data extraction API for software…
- [Invoid](https://lemstudio.co/yc-companies/invoid-22944) — **Invoid** · YC Winter 2021 · B2B · Inactive · team 15 · yc_id:22944 — Create identity verification workflows the way you want
- [Invopop](https://lemstudio.co/yc-companies/invopop-28079) — **Invopop** · YC Winter 2023 · B2B, Finance and Accounting · Active · team 7 · yc_id:28079 — We help global software companies comply with local tax reporting 
- [IOMETE](https://lemstudio.co/yc-companies/iomete-25634) — **IOMETE** · YC Winter 2022 · B2B, Infrastructure · Active · team 21 · yc_id:25634 — Self-hosted data lakehouse platform
- [ion design](https://lemstudio.co/yc-companies/ion-design-29239) — **ion design** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29239 — AI Website platform that grows revenue automatically
- [Ionworks](https://lemstudio.co/yc-companies/ionworks-29803) — **Ionworks** · YC Summer 2024 · Industrials, Energy · Active · team 5 · yc_id:29803 — Simulation software used by leading battery and automotive companies
- [IoTFlows Inc](https://lemstudio.co/yc-companies/iotflows-inc-25914) — **IoTFlows Inc** · YC Winter 2022 · B2B, Productivity · Active · team 60 · yc_id:25914 — Plug-and-play AI platform with sensors and dashboards that makes…
- [IRBC](https://lemstudio.co/yc-companies/irbc-30487) — **IRBC** · YC Spring 2025 · Fintech, Banking and Exchange · Active · team 3 · yc_id:30487 — AI-native financial institution for global businesses + agents.
- [Iris Automation](https://lemstudio.co/yc-companies/iris-automation-1221) — **Iris Automation** · YC Summer 2016 · Industrials, Drones · Acquired · yc_id:1221 — Enabling autonomous drone operations globally through AI software
- [Iron Grid](https://lemstudio.co/yc-companies/iron-grid-30717) — **Iron Grid** · YC Summer 2025 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:30717 — AI-Native Data Center Engineering
- [Ironclad](https://lemstudio.co/yc-companies/ironclad-866) — **Ironclad** · YC Summer 2015 · B2B, Legal · Active · team 700 · yc_id:866 — AI-powered contract management
- [IronLedger.ai](https://lemstudio.co/yc-companies/ironledger-ai-30685) — **IronLedger.ai** · YC Summer 2025 · Real Estate and Construction, Housing and Real Estate · Active · yc_id:30685 — AI-enabled Corporate Cards and Invoice Processing for Real Estate
- [Isabl](https://lemstudio.co/yc-companies/isabl-13442) — **Isabl** · YC Winter 2020 · Healthcare, Diagnostics · Active · team 5 · yc_id:13442 — Cancer tests based on whole genome and transcriptome data.
- [Isengard Industries Inc](https://lemstudio.co/yc-companies/isengard-industries-inc-32781) — **Isengard Industries Inc** · YC Summer 2026 · Industrials, Defense · Active · team 30 · yc_id:32781 — Mass-produced AI strike systems and Counter-UAS
- [iSono Health](https://lemstudio.co/yc-companies/isono-health-988) — **iSono Health** · YC Winter 2016 · Healthcare, Medical Devices · Active · team 9 · yc_id:988 — AI-powered platform for Accessible and Personalized Breast Health…
- [isoquant](https://lemstudio.co/yc-companies/isoquant-33250) — **isoquant** · YC Fall 2026 · B2B · Active · team 2 · yc_id:33250 — Self-optimizing inference cloud for faster, cheaper AI
- [ISSEN](https://lemstudio.co/yc-companies/issen-30052) — **ISSEN** · YC Fall 2024 · Consumer · Active · team 1 · yc_id:30052 — AI realtime voice companion for language learning
- [item](https://lemstudio.co/yc-companies/item-31018) — **item** · YC Fall 2025 · B2B, Sales · Active · team 6 · yc_id:31018 — The AI-Native CRM that works for you
- [Ivella](https://lemstudio.co/yc-companies/ivella-24266) — **Ivella** · YC Summer 2021 · Fintech, Consumer Finance · Inactive · team 8 · yc_id:24266 — Banking and savings products designed for couples
- [Ivy Homes](https://lemstudio.co/yc-companies/ivy-homes-24164) — **Ivy Homes** · YC Summer 2021 · Real Estate and Construction, Housing and Real Estate · Active · team 80 · yc_id:24164 — We make instant offers to buy homes in India
- [Ixiplay](https://lemstudio.co/yc-companies/ixiplay-569) — **Ixiplay** · YC Summer 2013 · Consumer, Consumer Electronics · Inactive · team 2 · yc_id:569 — Engaging, expressive & Android hackable robot buddy for playful…
- [Ixora](https://lemstudio.co/yc-companies/ixora-1943) — **Ixora** · YC Summer 2018 · Consumer, Virtual and Augmented Reality · Inactive · team 2 · yc_id:1943 — We create the digital outdoor environment for a movie. 
- [JABU](https://lemstudio.co/yc-companies/jabu-24934) — **JABU** · YC Summer 2021 · Fintech, Payments · Active · team 40 · yc_id:24934 — B2B payments, transforming Africa's cash economy
- [Jam.gg (formerly Piepacker)](https://lemstudio.co/yc-companies/jam-gg-formerly-piepacker-22007) — **Jam.gg (formerly Piepacker)** · YC Summer 2020 · Consumer, Gaming · Inactive · yc_id:22007 — Jam.gg, play couch games online with friends
- [Jamble](https://lemstudio.co/yc-companies/jamble-27173) — **Jamble** · YC Summer 2022 · Consumer · Active · team 15 · yc_id:27173 — Live shopping for collectibles in Brazil
- [Jamglue](https://lemstudio.co/yc-companies/jamglue-358) — **Jamglue** · YC Summer 2006 · Consumer, Content · Inactive · team 2 · yc_id:358
- [Jamiphy](https://lemstudio.co/yc-companies/jamiphy-13117) — **Jamiphy** · YC Winter 2020 · Consumer, Social · Inactive · team 1 · yc_id:13117 — TikTok for Musicians
- [Jamsocket](https://lemstudio.co/yc-companies/jamsocket-25949) — **Jamsocket** · YC Winter 2022 · B2B, Engineering, Product and Design · Acquired · team 5 · yc_id:25949 — Run compute-intensive apps in a browser
- [Janet AI](https://lemstudio.co/yc-companies/janet-ai-30648) — **Janet AI** · YC Summer 2025 · B2B · Active · team 5 · yc_id:30648 — Agents that learn your company and work 24/7
- [Jarmin](https://lemstudio.co/yc-companies/jarmin-30972) — **Jarmin** · YC Fall 2025 · B2B · Active · team 5 · yc_id:30972 — AI Employees for human-level roles
- [Jasmine Energy](https://lemstudio.co/yc-companies/jasmine-energy-27158) — **Jasmine Energy** · YC Summer 2022 · B2B, Operations · Inactive · team 5 · yc_id:27158 — Claim solar incentives with AI
- [Jasper.ai](https://lemstudio.co/yc-companies/jasper-ai-1734) — **Jasper.ai** · YC Winter 2018 · B2B · Active · team 195 · yc_id:1734 — Jasper is a leader in creating content using Artificial Intelligence
- [Jcode](https://lemstudio.co/yc-companies/jcode-32172) — **Jcode** · YC Summer 2026 · Consumer · Active · team 1 · yc_id:32172 — High performance coding agents
- [Jeevam Health](https://lemstudio.co/yc-companies/jeevam-health-21815) — **Jeevam Health** · YC Summer 2020 · Healthcare, Consumer Health and Wellness · Inactive · team 25 · yc_id:21815 — Digital holistic care for complex chronic conditions 
- [Jeeves](https://lemstudio.co/yc-companies/jeeves-21768) — **Jeeves** · YC Summer 2020 · Fintech · Active · team 150 · yc_id:21768 — International banking infrastructure for global startups.
- [Jeevy Fabrication](https://lemstudio.co/yc-companies/jeevy-fabrication-30458) — **Jeevy Fabrication** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30458 — AI Driven EPC - Weld Fabrication Contractor
- [Jellyfish Art](https://lemstudio.co/yc-companies/jellyfish-art-1720) — **Jellyfish Art** · YC Winter 2012 · Consumer, Home and Personal · Inactive · team 2 · yc_id:1720
- [Jemi](https://lemstudio.co/yc-companies/jemi-19925) — **Jemi** · YC Summer 2020 · Consumer, Social · Acquired · team 3 · yc_id:19925 — Jemi helps people build beautiful websites and stores.
- [Jenfi](https://lemstudio.co/yc-companies/jenfi-13627) — **Jenfi** · YC Winter 2020 · Fintech, Credit and Lending · Active · team 18 · yc_id:13627 — Jenfi provides revenue-based financing for digital businesses in Asia 
- [Jerry](https://lemstudio.co/yc-companies/jerry-1576) — **Jerry** · YC Summer 2017 · Fintech, Insurance · Active · team 225 · yc_id:1576 — Jerry is building the AI agent to manage all your physical assets.
- [Jestor](https://lemstudio.co/yc-companies/jestor-23973) — **Jestor** · YC Summer 2021 · B2B, Productivity · Active · team 12 · yc_id:23973 — Saving OPS from SLOPS. Jestor builds internal systems that last.
- [Jet Admin](https://lemstudio.co/yc-companies/jet-admin-13673) — **Jet Admin** · YC Winter 2020 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:13673 — No-code business app builder
- [Jetdocs](https://lemstudio.co/yc-companies/jetdocs-23397) — **Jetdocs** · YC Winter 2021 · B2B, Operations · Active · team 2 · yc_id:23397 — Collaborative ticketing that integrates into Teams and Slack
- [JetPack Aviation](https://lemstudio.co/yc-companies/jetpack-aviation-12084) — **JetPack Aviation** · YC Winter 2019 · Industrials, Aviation and Space · Active · team 9 · yc_id:12084 — Flying motorcycles
- [jEugene](https://lemstudio.co/yc-companies/jeugene-917) — **jEugene** · YC Summer 2015 · B2B, Legal · Inactive · team 2 · yc_id:917 — jEugene highlights undefined terms and unused definitions in legal…
- [Jido Maps](https://lemstudio.co/yc-companies/jido-maps-1858) — **Jido Maps** · YC Winter 2018 · B2B, Infrastructure · Acquired · team 6 · yc_id:1858 — Turn your data into a deployed computer vision model
- [Jiga](https://lemstudio.co/yc-companies/jiga-23440) — **Jiga** · YC Winter 2021 · B2B, Supply Chain and Logistics · Active · team 25 · yc_id:23440 — Source better parts by partnering directly with vetted manufacturers
- [Jinba](https://lemstudio.co/yc-companies/jinba-31179) — **Jinba** · YC Winter 2026 · B2B · Active · team 11 · yc_id:31179 — Automate enterprise workflows through chat
- [Jitsu](https://lemstudio.co/yc-companies/jitsu-19932) — **Jitsu** · YC Summer 2020 · B2B, Analytics · Acquired · team 4 · yc_id:19932 — Open-Source CDP (acquired by Helium Ventures)
- [Jitter](https://lemstudio.co/yc-companies/jitter-13319) — **Jitter** · YC Winter 2020 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:13319 — Fast and simple animation tool on the web 💫
- [JITX](https://lemstudio.co/yc-companies/jitx-1918) — **JITX** · YC Summer 2018 · Industrials, Manufacturing and Robotics · Active · team 18 · yc_id:1918 — Automatic circuit board design.
- [jo](https://lemstudio.co/yc-companies/jo-29155) — **jo** · YC Spring 2026 · Consumer · Active · team 2 · yc_id:29155 — The personal AI agent that keeps up with your work and life.
- [Job Alchemist](https://lemstudio.co/yc-companies/job-alchemist-285) — **Job Alchemist** · YC Summer 2008 · B2B, Recruiting and Talent · Inactive · yc_id:285
- [Joberator](https://lemstudio.co/yc-companies/joberator-322) — **Joberator** · YC Winter 2008 · B2B, Recruiting and Talent · Inactive · team 2 · yc_id:322
- [Jobspice](https://lemstudio.co/yc-companies/jobspice-247) — **Jobspice** · YC Summer 2009 · Consumer, Job and Career Services · Inactive · team 11 · yc_id:247
- [Joe](https://lemstudio.co/yc-companies/joe-25823) — **Joe** · YC Winter 2022 · Fintech, Consumer Finance · Acquired · team 12 · yc_id:25823 — We let customers "Buy Now Pay Later" on any store in Europe. 
- [JoinSub](https://lemstudio.co/yc-companies/joinsub-22705) — **JoinSub** · YC Winter 2021 · Fintech, Payments · Inactive · team 8 · yc_id:22705 — India's first aggregator and provider of local business subscriptions
- [Joon Health](https://lemstudio.co/yc-companies/joon-health-25907) — **Joon Health** · YC Winter 2022 · Healthcare, Consumer Health and Wellness · Active · team 10 · yc_id:25907 — Pediatric digital therapeutic for the +100M families in the US
- [Jopwell](https://lemstudio.co/yc-companies/jopwell-867) — **Jopwell** · YC Summer 2015 · B2B, Recruiting and Talent · Acquired · team 50 · yc_id:867 — Career advancement for Black, Latinx & Native American professionals.
- [Journey](https://lemstudio.co/yc-companies/journey-23638) — **Journey** · YC Winter 2021 · B2B, Sales · Acquired · team 10 · yc_id:23638 — No code platform for sales to tell better stories and win more deals.
- [Jovian](https://lemstudio.co/yc-companies/jovian-24205) — **Jovian** · YC Summer 2021 · Education · Active · yc_id:24205 — Online University for Tech Professionals
- [Joy](https://lemstudio.co/yc-companies/joy-1200) — **Joy** · YC Summer 2016 · Consumer, Home and Personal · Active · team 100 · yc_id:1200 — The platform for all your life events.
- [Juicebox](https://lemstudio.co/yc-companies/juicebox-26800) — **Juicebox** · YC Summer 2022 · B2B, Recruiting and Talent · Active · team 80 · yc_id:26800 — AI Agents for Recruiting
- [Juicy Marbles](https://lemstudio.co/yc-companies/juicy-marbles-23052) — **Juicy Marbles** · YC Winter 2021 · Consumer, Food and Beverage · Active · team 45 · yc_id:23052 — Juicy marbles makes thick juicy and marbled plant based steaks.
- [Julius](https://lemstudio.co/yc-companies/julius-26670) — **Julius** · YC Summer 2022 · B2B · Active · team 10 · yc_id:26670 — Build and analyze things with AI
- [Jumpchat](https://lemstudio.co/yc-companies/jumpchat-365) — **Jumpchat** · YC Summer 2006 · Consumer, Social · Inactive · team 2 · yc_id:365
- [Jumpcut](https://lemstudio.co/yc-companies/jumpcut-1340) — **Jumpcut** · YC Summer 2016 · Education · Active · team 11 · yc_id:1340 — Helping creators go viral and build businesses.
- [JumpWire](https://lemstudio.co/yc-companies/jumpwire-25433) — **JumpWire** · YC Winter 2022 · B2B, Security · Acquired · team 2 · yc_id:25433 — Dynamic access controls for all data and databases
- [Junction](https://lemstudio.co/yc-companies/junction-13321) — **Junction** · YC Winter 2020 · Healthcare, Consumer Health and Wellness · Active · team 19 · yc_id:13321 — API for at-home health data
- [Junction Bioscience](https://lemstudio.co/yc-companies/junction-bioscience-29476) — **Junction Bioscience** · YC Winter 2024 · Healthcare, Therapeutics · Active · yc_id:29476 — AI Hypothesis Engine for Molecular Discovery
- [June](https://lemstudio.co/yc-companies/june-22823) — **June** · YC Winter 2021 · B2B, Analytics · Inactive · team 6 · yc_id:22823 — June is the new way to do product analytics
- [Juno](https://lemstudio.co/yc-companies/juno-31383) — **Juno** · YC Spring 2026 · Healthcare, Consumer Health and Wellness · Active · team 2 · yc_id:31383 — AI Health Assistant for Chronic Illness
- [Juno College of Technology](https://lemstudio.co/yc-companies/juno-college-of-technology-12564) — **Juno College of Technology** · YC Summer 2019 · Education · Active · team 30 · yc_id:12564 — Juno is the university of the future.
- [Jupe](https://lemstudio.co/yc-companies/jupe-23970) — **Jupe** · YC Summer 2021 · Real Estate and Construction, Housing and Real Estate · Inactive · team 7 · yc_id:23970 — Just add land
- [Jupiter](https://lemstudio.co/yc-companies/jupiter-12574) — **Jupiter** · YC Summer 2019 · B2B, Marketing · Active · team 8 · yc_id:12574 — AppLovin for the food & CPG 
- [Just Appraised](https://lemstudio.co/yc-companies/just-appraised-1693) — **Just Appraised** · YC Summer 2017 · Government · Active · team 40 · yc_id:1693 — Just Appraised makes software for local governments.
- [JustAI](https://lemstudio.co/yc-companies/justai-29407) — **JustAI** · YC Winter 2024 · B2B, Marketing · Active · team 4 · yc_id:29407 — Agentic Marketing Platform
- [Justo](https://lemstudio.co/yc-companies/justo-21963) — **Justo** · YC Summer 2020 · B2B, Supply Chain and Logistics · Active · team 190 · yc_id:21963 — Helps restaurants take online orders directly from customers
- [JustSpotted](https://lemstudio.co/yc-companies/justspotted-289) — **JustSpotted** · YC Summer 2008 · Consumer, Content · Acquired · team 2 · yc_id:289 — Acquired by Google in 2011
- [Jutsoo](https://lemstudio.co/yc-companies/jutsoo-26264) — **Jutsoo** · YC Winter 2022 · B2B, Finance and Accounting · Active · team 12 · yc_id:26264 — All your corporate bank accounts connected under one platform
- [Juxta](https://lemstudio.co/yc-companies/juxta-30769) — **Juxta** · YC Summer 2025 · B2B · Active · yc_id:30769 — Building a GPS alternative 100x more powerful with no hardware needed.
- [JuziBot](https://lemstudio.co/yc-companies/juzibot-2019) — **JuziBot** · YC Winter 2019 · B2B, Engineering, Product and Design · Active · team 34 · yc_id:2019 — Intercom for WeChat, help companies to acquire,  engage, retain…
- [K-Scale Labs](https://lemstudio.co/yc-companies/k-scale-labs-29523) — **K-Scale Labs** · YC Winter 2024 · Consumer, Consumer Electronics · Inactive · team 10 · yc_id:29523 — Open-source humanoid robots
- [Kaagaz](https://lemstudio.co/yc-companies/kaagaz-25689) — **Kaagaz** · YC Winter 2022 · Consumer · Active · team 11 · yc_id:25689 — 'Office' Suite for Mobile-first Businesses in India
- [Kabilah](https://lemstudio.co/yc-companies/kabilah-29245) — **Kabilah** · YC Winter 2024 · Healthcare · Active · yc_id:29245 — Agentic AI for Nursing Workflows
- [Kable](https://lemstudio.co/yc-companies/kable-25644) — **Kable** · YC Winter 2022 · B2B, Finance and Accounting · Inactive · yc_id:25644 — Usage-based billing for API companies
- [Kaelio](https://lemstudio.co/yc-companies/kaelio-30437) — **Kaelio** · YC Spring 2025 · B2B · Active · team 8 · yc_id:30437 — The open-source context layer for data agents
- [Kaigo Health](https://lemstudio.co/yc-companies/kaigo-health-30869) — **Kaigo Health** · YC Fall 2025 · Healthcare, Healthcare IT · Active · team 3 · yc_id:30869 — AI outpatient care workforce
- [Kailash Labs](https://lemstudio.co/yc-companies/kailash-labs-34828) — **Kailash Labs** · YC Fall 2026 · B2B, Analytics · Active · team 2 · yc_id:34828 — A factory for small and specialized video reasoning models
- [KaiPod Learning](https://lemstudio.co/yc-companies/kaipod-learning-24426) — **KaiPod Learning** · YC Summer 2021 · Education · Active · team 27 · yc_id:24426 — A national network of microschools bringing school choice to every…
- [Kairos](https://lemstudio.co/yc-companies/kairos-30521) — **Kairos** · YC Spring 2025 · B2B, Infrastructure · Active · team 3 · yc_id:30521 — Specialized AI for Critical Industries
- [Kaiten](https://lemstudio.co/yc-companies/kaiten-13050) — **Kaiten** · YC Winter 2020 · Consumer, Food and Beverage · Active · team 4 · yc_id:13050 — Find culinary products and experiences from great makers everywhere
- [Kaizen](https://lemstudio.co/yc-companies/kaizen-30471) — **Kaizen** · YC Spring 2025 · B2B · Active · team 6 · yc_id:30471 — Automate anything on the web.
- [Kalam Labs](https://lemstudio.co/yc-companies/kalam-labs-24039) — **Kalam Labs** · YC Summer 2021 · Industrials, Aviation and Space · Active · team 10 · yc_id:24039 — Autonomous Stratospheric UAVs
- [Kalibrr](https://lemstudio.co/yc-companies/kalibrr-506) — **Kalibrr** · YC Winter 2013 · B2B, Operations · Acquired · team 51 · yc_id:506 — Kalibrr connects SEAsian talent to your local & global jobs.
- [Kalinda](https://lemstudio.co/yc-companies/kalinda-30677) — **Kalinda** · YC Summer 2025 · B2B, Legal · Active · team 2 · yc_id:30677 — Deep research for class action law firms
- [Kalpa Labs](https://lemstudio.co/yc-companies/kalpa-labs-30959) — **Kalpa Labs** · YC Fall 2025 · B2B · Active · team 2 · yc_id:30959 — Scaling Generalist Speech models
- [Kalshi](https://lemstudio.co/yc-companies/kalshi-11943) — **Kalshi** · YC Winter 2019 · Fintech · Active · team 125 · yc_id:11943 — 1st federally regulated exchange where people can trade on events
- [Kamcord](https://lemstudio.co/yc-companies/kamcord-393) — **Kamcord** · YC Summer 2012 · Consumer, Gaming · Acquired · team 11 · yc_id:393
- [Kamion](https://lemstudio.co/yc-companies/kamion-27222) — **Kamion** · YC Summer 2022 · B2B, Supply Chain and Logistics · Active · team 35 · yc_id:27222 — Uber for Trucks for Turkey
- [Kanava AI](https://lemstudio.co/yc-companies/kanava-ai-30418) — **Kanava AI** · YC Spring 2025 · B2B, Supply Chain and Logistics · Inactive · team 2 · yc_id:30418 — Your First AI Sales Hire for Wholesale Distributors
- [Kanda](https://lemstudio.co/yc-companies/kanda-23635) — **Kanda** · YC Winter 2021 · Fintech, Credit and Lending · Active · team 8 · yc_id:23635 — Affirm for general contractors
- [kapa.ai](https://lemstudio.co/yc-companies/kapa-ai-28663) — **kapa.ai** · YC Summer 2023 · B2B, Productivity · Active · team 22 · yc_id:28663 — The fastest way to build AI assistants on technical content
- [Kapacity.io](https://lemstudio.co/yc-companies/kapacity-io-24649) — **Kapacity.io** · YC Summer 2021 · Industrials, Energy · Acquired · team 7 · yc_id:24649 — Reducing energy costs & emissions in buildings.
- [Kapital Bank](https://lemstudio.co/yc-companies/kapital-bank-25304) — **Kapital Bank** · YC Winter 2022 · Fintech · Active · team 3600 · yc_id:25304 — Empowering businesses to grow. 
- [Kara](https://lemstudio.co/yc-companies/kara-32137) — **Kara** · YC Summer 2026 · Industrials · Active · team 2 · yc_id:32137 — Making Diamond Semiconductors
- [Karat Financial](https://lemstudio.co/yc-companies/karat-financial-12950) — **Karat Financial** · YC Winter 2020 · Fintech, Credit and Lending · Active · team 40 · yc_id:12950 — Better financial services for creators
- [Karate Labs](https://lemstudio.co/yc-companies/karate-labs-26205) — **Karate Labs** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:26205 — Open-source API & UI test automation 
- [Karbon Card](https://lemstudio.co/yc-companies/karbon-card-24006) — **Karbon Card** · YC Summer 2021 · Fintech, Credit and Lending · Active · team 144 · yc_id:24006 — Corporate Card solution for Indian businesses
- [Karmen](https://lemstudio.co/yc-companies/karmen-30062) — **Karmen** · YC Fall 2024 · Real Estate and Construction, Construction · Active · team 2 · yc_id:30062 — Your AI scheduling assistant for construction
- [Karoo](https://lemstudio.co/yc-companies/karoo-30200) — **Karoo** · YC Winter 2025 · Fintech, Consumer Finance · Active · team 3 · yc_id:30200 — AI native consumer lending platform for underserved Americans
- [Karsa](https://lemstudio.co/yc-companies/karsa-30285) — **Karsa** · YC Winter 2025 · Fintech · Active · team 2 · yc_id:30285 — Stablecoin neobank for emerging markets
- [Karumi](https://lemstudio.co/yc-companies/karumi-30966) — **Karumi** · YC Fall 2025 · B2B, Sales · Active · team 6 · yc_id:30966 — The Waymo of Personalized demos
- [Kash](https://lemstudio.co/yc-companies/kash-682) — **Kash** · YC Summer 2014 · Fintech, Payments · Acquired · team 11 · yc_id:682 — We are fixing how money works.
- [Kashikoi](https://lemstudio.co/yc-companies/kashikoi-30402) — **Kashikoi** · YC Spring 2025 · B2B · Active · team 2 · yc_id:30402 — Simulation Engine for Benchmarking AI Products
- [Kashin](https://lemstudio.co/yc-companies/kashin-27205) — **Kashin** · YC Summer 2022 · Fintech, Credit and Lending · Active · team 45 · yc_id:27205 — Credit for the emerging economy in Latam
- [Kaso](https://lemstudio.co/yc-companies/kaso-25419) — **Kaso** · YC Winter 2022 · B2B, Supply Chain and Logistics · Active · team 20 · yc_id:25419 — AI group purchasing for restaurants
- [Kastle](https://lemstudio.co/yc-companies/kastle-29715) — **Kastle** · YC Summer 2024 · B2B · Active · team 15 · yc_id:29715 — AI employee for consumer lending
- [kater.ai](https://lemstudio.co/yc-companies/kater-ai-29507) — **kater.ai** · YC Winter 2024 · B2B, Analytics · Active · team 3 · yc_id:29507 — Deliver complete data analysis from a single question
- [Kaya](https://lemstudio.co/yc-companies/kaya-24192) — **Kaya** · YC Summer 2021 · B2B, Marketing · Active · team 12 · yc_id:24192 — Marketing agency for startups: 10x cheaper, better and faster
- [Kebra](https://lemstudio.co/yc-companies/kebra-31825) — **Kebra** · YC Summer 2026 · B2B, Operations · Active · team 2 · yc_id:31825 — AI For The Skilled Workforce
- [Keep](https://lemstudio.co/yc-companies/keep-28074) — **Keep** · YC Winter 2023 · B2B, Engineering, Product and Design · Acquired · team 5 · yc_id:28074 — The open-source AIOps platform
- [Keeper](https://lemstudio.co/yc-companies/keeper-11940) — **Keeper** · YC Winter 2019 · Fintech, Consumer Finance · Active · team 16 · yc_id:11940 — AI tax filing for complex returns
- [Keet](https://lemstudio.co/yc-companies/keet-29854) — **Keet** · YC Summer 2024 · Consumer · Active · team 2 · yc_id:29854 — An app to create courses on anything. 
- [KelAI](https://lemstudio.co/yc-companies/kelai-31393) — **KelAI** · YC Spring 2026 · Fintech, Asset Management · Active · team 3 · yc_id:31393 — The AI Quant: Autonomous Alpha Engine for Funds and Traders.
- [KemNet](https://lemstudio.co/yc-companies/kemnet-27124) — **KemNet** · YC Summer 2022 · Healthcare, Healthcare IT · Active · team 2 · yc_id:27124 — KemNet supplies reformulated drugs for specific groups of patients.
- [Kenley](https://lemstudio.co/yc-companies/kenley-29690) — **Kenley** · YC Summer 2024 · B2B, Productivity · Active · team 6 · yc_id:29690 — AI Agents for Advisory & Financial Services.
- [Kenobi](https://lemstudio.co/yc-companies/kenobi-26034) — **Kenobi** · YC Winter 2022 · B2B, Sales · Active · team 3 · yc_id:26034 — Personalize your landing site for each vistor, in one line of code.
- [Kenota (formerly ExVivo Labs)](https://lemstudio.co/yc-companies/kenota-formerly-exvivo-labs-1243) — **Kenota (formerly ExVivo Labs)** · YC Summer 2016 · Healthcare, Diagnostics · Inactive · team 35 · yc_id:1243 — Kenota is revolutionizing the way we test for disease 
- [Kern Systems](https://lemstudio.co/yc-companies/kern-systems-12664) — **Kern Systems** · YC Summer 2019 · Healthcare, Industrial Bio · Active · team 3 · yc_id:12664 — Using DNA to store data.
- [Kernal Biologics](https://lemstudio.co/yc-companies/kernal-biologics-21881) — **Kernal Biologics** · YC Summer 2020 · Healthcare, Therapeutics · Active · team 20 · yc_id:21881 — Kernal is creating mRNA 2.0 therapies that work in specific cells
- [KERNEL](https://lemstudio.co/yc-companies/kernel-30762) — **KERNEL** · YC Summer 2025 · B2B, Infrastructure · Active · team 22 · yc_id:30762 — Crazy fast, open source infra for AI agents to use the Internet
- [Kestral](https://lemstudio.co/yc-companies/kestral-30450) — **Kestral** · YC Spring 2025 · B2B · Active · team 3 · yc_id:30450 — We automate your entire product development lifecycle.
- [Kestrel AI](https://lemstudio.co/yc-companies/kestrel-ai-30903) — **Kestrel AI** · YC Fall 2025 · B2B, Security · Active · team 2 · yc_id:30903 — AI Agents for Platform Engineering
- [Kestroll](https://lemstudio.co/yc-companies/kestroll-30664) — **Kestroll** · YC Summer 2025 · Consumer, Content · Active · team 2 · yc_id:30664 — AI video editor
- [Key Values](https://lemstudio.co/yc-companies/key-values-1750) — **Key Values** · YC Winter 2018 · B2B, Recruiting and Talent · Active · team 1 · yc_id:1750 — Helping software developers find teams that share their values. 
- [Keychain Logistics](https://lemstudio.co/yc-companies/keychain-logistics-431) — **Keychain Logistics** · YC Summer 2012 · B2B, Supply Chain and Logistics · Inactive · team 2 · yc_id:431 — Software that connects the supply side of companies that ship product…
- [KeyDB](https://lemstudio.co/yc-companies/keydb-21957) — **KeyDB** · YC Summer 2020 · B2B, Infrastructure · Acquired · team 2 · yc_id:21957 — The only database you'll ever need
- [Keye](https://lemstudio.co/yc-companies/keye-30056) — **Keye** · YC Fall 2024 · Fintech · Active · team 3 · yc_id:30056 — The Smartest Private Equity Investor
- [Keyframe Labs](https://lemstudio.co/yc-companies/keyframe-labs-31432) — **Keyframe Labs** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31432 — Bring AI to life with the world's best interactive avatars
- [Keylika](https://lemstudio.co/yc-companies/keylika-25151) — **Keylika** · YC Summer 2022 · Healthcare, Therapeutics · Active · team 1 · yc_id:25151 — Redefining the Standard of Care for Iron Deficiency Anemia
- [Keynua](https://lemstudio.co/yc-companies/keynua-12246) — **Keynua** · YC Winter 2019 · B2B, Productivity · Active · team 15 · yc_id:12246 — E-signatures with identity verification for Latin America
- [Keyri](https://lemstudio.co/yc-companies/keyri-24207) — **Keyri** · YC Summer 2021 · B2B, Security · Acquired · team 5 · yc_id:24207 — Secure fraud prevention and authentication platform for developers
- [Keystroke](https://lemstudio.co/yc-companies/keystroke-29270) — **Keystroke** · YC Winter 2024 · B2B, Analytics · Active · team 4 · yc_id:29270 — An all-in-one platform for building internal agents & workflows
- [Khabri](https://lemstudio.co/yc-companies/khabri-12740) — **Khabri** · YC Summer 2019 · Consumer, Content · Inactive · team 11 · yc_id:12740 — India's Largest Podcast Platform
- [Khatabook](https://lemstudio.co/yc-companies/khatabook-2007) — **Khatabook** · YC Summer 2018 · Fintech, Payments · Active · team 350 · yc_id:2007 — Manage your ledgers and avail Financial Services like Lending on your…
- [Khoj](https://lemstudio.co/yc-companies/khoj-28978) — **Khoj** · YC Summer 2023 · Consumer · Active · team 2 · yc_id:28978 — AI for humans
- [Khotan (formerly Pollinate)](https://lemstudio.co/yc-companies/khotan-formerly-pollinate-31274) — **Khotan (formerly Pollinate)** · YC Winter 2026 · B2B, Supply Chain and Logistics · Active · team 2 · yc_id:31274 — FDE as a platform for rebuilding critical operations in software.
- [Kickpay](https://lemstudio.co/yc-companies/kickpay-772) — **Kickpay** · YC Winter 2015 · B2B, Finance and Accounting · Inactive · team 2 · yc_id:772 — A platform to finance inventory for e-commerce companies.
- [Kicksend](https://lemstudio.co/yc-companies/kicksend-111) — **Kicksend** · YC Summer 2011 · Consumer, Home and Personal · Inactive · team 11 · yc_id:111 — Send and print photo albums with people you love.

Acquired by Lyft
- [Kidato](https://lemstudio.co/yc-companies/kidato-23302) — **Kidato** · YC Winter 2021 · Education · Active · team 15 · yc_id:23302 — Online school for K12 education in Africa
- [KidPass](https://lemstudio.co/yc-companies/kidpass-1549) — **KidPass** · YC Winter 2017 · Education · Acquired · team 21 · yc_id:1549 — Online & In-Person Kids Activities
- [Kiko](https://lemstudio.co/yc-companies/kiko-378) — **Kiko** · YC Summer 2005 · B2B, Productivity · Acquired · yc_id:378 — We're the best online calendar solution to ever exist. Period.
- [Kilobaser](https://lemstudio.co/yc-companies/kilobaser-23597) — **Kilobaser** · YC Winter 2021 · Healthcare, Medical Devices · Active · team 10 · yc_id:23597 — Desktop DNA Printer. The Nespresso Machine for DNA.
- [Kilvin](https://lemstudio.co/yc-companies/kilvin-30101) — **Kilvin** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30101 — Custom software for your business
- [Kimono Labs](https://lemstudio.co/yc-companies/kimono-labs-598) — **Kimono Labs** · YC Winter 2014 · B2B, Engineering, Product and Design · Acquired · team 11 · yc_id:598 — Create APIs where they don't exist. With kimono you can quickly…
- [Kimpton](https://lemstudio.co/yc-companies/kimpton-31420) — **Kimpton** · YC Spring 2026 · Fintech, Asset Management · Active · team 5 · yc_id:31420 — Live Evaluation Arenas for Financial Work
- [Kindamagical](https://lemstudio.co/yc-companies/kindamagical-24167) — **Kindamagical** · YC Summer 2021 · B2B · Inactive · team 1 · yc_id:24167 — Create + share amazing product GIFs in minutes ⚡️
- [Kinect](https://lemstudio.co/yc-companies/kinect-31520) — **Kinect** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31520 — The AI revenue platform for D2C brands
- [Kingdom](https://lemstudio.co/yc-companies/kingdom-22043) — **Kingdom** · YC Summer 2020 · Healthcare, Industrial Bio · Active · team 21 · yc_id:22043 — Clinically-validated ingredients from natural microbes
- [Kino AI](https://lemstudio.co/yc-companies/kino-ai-28707) — **Kino AI** · YC Summer 2023 · B2B, Productivity · Active · team 4 · yc_id:28707 — Kino is an AI media manager and video editor for humans and agents.
- [Kinro](https://lemstudio.co/yc-companies/kinro-31382) — **Kinro** · YC Spring 2026 · Fintech, Insurance · Active · team 6 · yc_id:31382 — Autonomous insurance brokerage for small businesses
- [Kinside](https://lemstudio.co/yc-companies/kinside-2033) — **Kinside** · YC Summer 2018 · Fintech, Payments · Acquired · team 18 · yc_id:2033 — Powering the $648b Care Economy
- [Kinter](https://lemstudio.co/yc-companies/kinter-13265) — **Kinter** · YC Winter 2020 · B2B, Finance and Accounting · Active · team 30 · yc_id:13265 — A new kind of power for finance teams
- [Kip Health](https://lemstudio.co/yc-companies/kip-health-1099) — **Kip Health** · YC Winter 2016 · Healthcare, Healthcare IT · Acquired · team 2 · yc_id:1099 — Therapy the way it should be: high quality in-person therapy sessions…
- [Kippt](https://lemstudio.co/yc-companies/kippt-422) — **Kippt** · YC Summer 2012 · B2B, Productivity · Inactive · team 2 · yc_id:422 — Kippt is a social bookmarking service
- [Kips Health](https://lemstudio.co/yc-companies/kips-health-29102) — **Kips Health** · YC Summer 2023 · Healthcare, Consumer Health and Wellness · Inactive · team 2 · yc_id:29102 — The only patient engagement software that pays you.
- [Kirana AI](https://lemstudio.co/yc-companies/kirana-ai-30446) — **Kirana AI** · YC Spring 2025 · B2B, Retail · Acquired · team 2 · yc_id:30446 — AI manager for physical stores
- [Kirkland North](https://lemstudio.co/yc-companies/kirkland-north-317) — **Kirkland North** · YC Winter 2008 · Consumer, Gaming · Inactive · team 2 · yc_id:317
- [Kisan Network](https://lemstudio.co/yc-companies/kisan-network-1066) — **Kisan Network** · YC Winter 2016 · Industrials, Agriculture · Inactive · team 75 · yc_id:1066 — Tech enabled and fully integrated PAN India agri produce supply chain
- [Kita](https://lemstudio.co/yc-companies/kita-31083) — **Kita** · YC Winter 2026 · Fintech · Active · team 3 · yc_id:31083 — Underwrite borrowers around the world in minutes
- [Kite](https://lemstudio.co/yc-companies/kite-28852) — **Kite** · YC Summer 2023 · B2B, Marketing · Active · team 2 · yc_id:28852 — Screen recorder for stunning product demo videos
- [Kitekraft](https://lemstudio.co/yc-companies/kitekraft-12621) — **Kitekraft** · YC Summer 2019 · Industrials, Energy · Active · team 6 · yc_id:12621 — Building flying wind turbines.
- [Kitemaker](https://lemstudio.co/yc-companies/kitemaker-23290) — **Kitemaker** · YC Winter 2021 · B2B, Engineering, Product and Design · Acquired · team 5 · yc_id:23290 — A faster and more collaborative alternative to Jira for remote teams
- [Kivo](https://lemstudio.co/yc-companies/kivo-565) — **Kivo** · YC Summer 2013 · B2B, Productivity · Inactive · team 2 · yc_id:565 — Git for Documents
- [Kivo Health](https://lemstudio.co/yc-companies/kivo-health-27858) — **Kivo Health** · YC Winter 2023 · Healthcare, Healthcare Services · Active · team 40 · yc_id:27858 — AI-powered care for seniors with chronic disease
- [Kiwi Biosciences](https://lemstudio.co/yc-companies/kiwi-biosciences-24628) — **Kiwi Biosciences** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · team 10 · yc_id:24628 — Patent-pending enzymes to break down common dietary triggers
- [Kiwify](https://lemstudio.co/yc-companies/kiwify-23661) — **Kiwify** · YC Winter 2021 · Education · Active · team 200 · yc_id:23661 — Create & sell online courses
- [Klaimee](https://lemstudio.co/yc-companies/klaimee-31539) — **Klaimee** · YC Spring 2026 · Fintech, Insurance · Active · team 2 · yc_id:31539 — Liability insurance for AI Agents. You deploy agents, we cover you.
- [Klarify](https://lemstudio.co/yc-companies/klarify-31326) — **Klarify** · YC Spring 2026 · Healthcare, Healthcare IT · Active · team 4 · yc_id:31326 — AI Agent for Therapists
- [Klarismo](https://lemstudio.co/yc-companies/klarismo-955) — **Klarismo** · YC Summer 2015 · Healthcare, Diagnostics · Inactive · team 10 · yc_id:955 — Klarismo turns your body into an interactive experience. We built a…
- [Klaus AI](https://lemstudio.co/yc-companies/klaus-ai-31084) — **Klaus AI** · YC Winter 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31084 — Fast and Safe OpenClaw on the cloud
- [Klavis AI](https://lemstudio.co/yc-companies/klavis-ai-30506) — **Klavis AI** · YC Spring 2025 · B2B · Active · team 3 · yc_id:30506 — High Quality Coding & Agentic Data for AI labs
- [Knowlify](https://lemstudio.co/yc-companies/knowlify-30721) — **Knowlify** · YC Summer 2025 · B2B · Active · team 6 · yc_id:30721 — The AI Explainer Video Maker
- [Knowmia](https://lemstudio.co/yc-companies/knowmia-388) — **Knowmia** · YC Summer 2012 · Education · Acquired · team 11 · yc_id:388 — Pandora meets Yelp for K-12 educational videos.  We match each…
- [Known Medicine](https://lemstudio.co/yc-companies/known-medicine-21852) — **Known Medicine** · YC Summer 2020 · Healthcare · Acquired · team 17 · yc_id:21852 — Combining 3D cell culture & AI to translate drugs to clinical success
- [Knowtex](https://lemstudio.co/yc-companies/knowtex-27185) — **Knowtex** · YC Summer 2022 · Healthcare, Healthcare IT · Active · yc_id:27185 — Making doctors 2x more efficient with AI note-taking & charge capture
- [Koala](https://lemstudio.co/yc-companies/koala-25417) — **Koala** · YC Winter 2022 · Education · Active · team 11 · yc_id:25417 — Minecraft for Teachers
- [Kobalt Labs](https://lemstudio.co/yc-companies/kobalt-labs-28971) — **Kobalt Labs** · YC Summer 2023 · B2B, Operations · Active · team 12 · yc_id:28971 — AI-powered risk and compliance for financial institutions
- [Kobo360](https://lemstudio.co/yc-companies/kobo360-2009) — **Kobo360** · YC Summer 2018 · B2B, Supply Chain and Logistics · Inactive · team 204 · yc_id:2009 — Africa's leading supply chain technology platform. 
- [Kodda](https://lemstudio.co/yc-companies/kodda-24424) — **Kodda** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Inactive · team 7 · yc_id:24424
- [Kodex](https://lemstudio.co/yc-companies/kodex-24181) — **Kodex** · YC Summer 2021 · B2B, Legal · Active · team 30 · yc_id:24181 — Easiest way for companies to process data requests from governments
- [Kodo](https://lemstudio.co/yc-companies/kodo-22844) — **Kodo** · YC Winter 2021 · Fintech, Payments · Active · team 45 · yc_id:22844 — Corporate card & spend management platform for Indian startups
- [Koduco](https://lemstudio.co/yc-companies/koduco-211) — **Koduco** · YC Summer 2010 · Consumer, Gaming · Inactive · team 2 · yc_id:211 — iPad games.
- [Koko](https://lemstudio.co/yc-companies/koko-26020) — **Koko** · YC Winter 2022 · Healthcare, Consumer Health and Wellness · Active · team 8 · yc_id:26020 — Making mental health accessible to everyone.
- [Kombo](https://lemstudio.co/yc-companies/kombo-27050) — **Kombo** · YC Summer 2022 · B2B · Active · team 77 · yc_id:27050 — Unified API for HR, payroll and recruiting software
- [Konta.com](https://lemstudio.co/yc-companies/konta-com-24162) — **Konta.com** · YC Summer 2021 · B2B, Finance and Accounting · Active · team 35 · yc_id:24162 — Turbotax for México and LATAM
- [Kontigo](https://lemstudio.co/yc-companies/kontigo-29820) — **Kontigo** · YC Summer 2024 · Fintech, Banking and Exchange · Active · team 10 · yc_id:29820 — USDC-Smart Neobank for Latinos. 
- [Kopa](https://lemstudio.co/yc-companies/kopa-11941) — **Kopa** · YC Winter 2019 · Real Estate and Construction, Housing and Real Estate · Inactive · team 6 · yc_id:11941 — Find furnished rentals and compatible housemates for 1-12 month stays 
- [Kopra Bio](https://lemstudio.co/yc-companies/kopra-bio-29714) — **Kopra Bio** · YC Summer 2024 · Healthcare, Therapeutics · Active · team 2 · yc_id:29714 — Genetically engineered viruses that teach your immune system to kill…
- [KorrAI](https://lemstudio.co/yc-companies/korrai-26138) — **KorrAI** · YC Winter 2022 · Industrials, Energy · Active · team 24 · yc_id:26138 — Traceable AI for billion-dollar infrastructure.
- [Korso](https://lemstudio.co/yc-companies/korso-31327) — **Korso** · YC Spring 2026 · B2B · Active · team 3 · yc_id:31327 — The last assistant you'll need
- [Kosh](https://lemstudio.co/yc-companies/kosh-13335) — **Kosh** · YC Winter 2020 · Fintech, Credit and Lending · Active · team 56 · yc_id:13335 — Creating Microfinance 2.0.
- [Koshex](https://lemstudio.co/yc-companies/koshex-24041) — **Koshex** · YC Summer 2021 · Fintech, Asset Management · Active · team 21 · yc_id:24041 — Automating wealth creation for 400M Indian millennials
- [Kovi](https://lemstudio.co/yc-companies/kovi-12244) — **Kovi** · YC Winter 2019 · Fintech, Credit and Lending · Acquired · team 890 · yc_id:12244 — Making car ownership more inclusive, flexible and simple.
- [Koyal](https://lemstudio.co/yc-companies/koyal-30870) — **Koyal** · YC Fall 2025 · Consumer, Content · Active · team 5 · yc_id:30870 — Agentic AI Filmmaking Platform
- [Koywe](https://lemstudio.co/yc-companies/koywe-27953) — **Koywe** · YC Winter 2023 · Fintech · Active · team 7 · yc_id:27953 — Crypto On and Off Ramp for Latam
- [Krab](https://lemstudio.co/yc-companies/krab-22709) — **Krab** · YC Winter 2021 · Fintech, Credit and Lending · Inactive · team 9 · yc_id:22709 — Instant loans for trucking companies in India
- [Kraftful](https://lemstudio.co/yc-companies/kraftful-12550) — **Kraftful** · YC Summer 2019 · B2B, Engineering, Product and Design · Acquired · team 6 · yc_id:12550 — Copilot for product teams
- [Krave Mart](https://lemstudio.co/yc-companies/krave-mart-27161) — **Krave Mart** · YC Summer 2022 · Consumer, Food and Beverage · Active · team 80 · yc_id:27161 — Grocery Delivery in Pakistan
- [Kredi](https://lemstudio.co/yc-companies/kredi-22857) — **Kredi** · YC Winter 2021 · Fintech, Credit and Lending · Active · team 66 · yc_id:22857 — Rocket Mortgage for LatAm. 
- [KubeSail](https://lemstudio.co/yc-companies/kubesail-12640) — **KubeSail** · YC Summer 2019 · Consumer, Consumer Electronics · Active · team 2 · yc_id:12640 — The Self-Hosting Company
- [KugelAudio](https://lemstudio.co/yc-companies/kugelaudio-31540) — **KugelAudio** · YC Spring 2026 · B2B, Infrastructure · Active · team 4 · yc_id:31540 — Kugel is an on-prem Voice AI model supporting 30+ languages 
- [Kular](https://lemstudio.co/yc-companies/kular-25835) — **Kular** · YC Winter 2022 · B2B, Sales · Active · team 12 · yc_id:25835 — AI Lead Generator
- [Kuli](https://lemstudio.co/yc-companies/kuli-31473) — **Kuli** · YC Spring 2026 · B2B, Marketing · Active · team 1 · yc_id:31473 — AI coworker for marketing teams at the largest consumer brands
- [Kuna Systems](https://lemstudio.co/yc-companies/kuna-systems-599) — **Kuna Systems** · YC Winter 2014 · Consumer, Consumer Electronics · Acquired · team 11 · yc_id:599 — We're making a smart, front door camera with intercom that lets you…
- [Kunduz](https://lemstudio.co/yc-companies/kunduz-2037) — **Kunduz** · YC Summer 2018 · Education · Active · team 85 · yc_id:2037 — Kunduz provides instant answers to students' questions and makes…
- [Kura AI](https://lemstudio.co/yc-companies/kura-ai-29766) — **Kura AI** · YC Summer 2024 · B2B · Active · team 2 · yc_id:29766 — New State of the Art for Browser Agents
- [Kurios](https://lemstudio.co/yc-companies/kurios-24415) — **Kurios** · YC Summer 2021 · Education · Inactive · team 10 · yc_id:24415 — Cohort-based online courses for professionals in Latin America
- [Kyber](https://lemstudio.co/yc-companies/kyber-28218) — **Kyber** · YC Winter 2023 · B2B, Operations · Active · team 5 · yc_id:28218 — Instantly draft, review, and send complex regulatory notices.
- [Kyten Technologies](https://lemstudio.co/yc-companies/kyten-technologies-31120) — **Kyten Technologies** · YC Winter 2026 · Industrials, Manufacturing and Robotics · Inactive · team 2 · yc_id:31120 — Custom Aerospace-Grade Battery Packs
- [L.](https://lemstudio.co/yc-companies/l-868) — **L.** · YC Summer 2015 · Consumer, Home and Personal · Acquired · yc_id:868 — L. makes award-winning personal care products with organic materials.
- [Lab0](https://lemstudio.co/yc-companies/lab0-31424) — **Lab0** · YC Spring 2026 · B2B · Active · team 7 · yc_id:31424 — AI FDEs to make your B2B SaaS Go Live in Days, not Months
- [Labdoor](https://lemstudio.co/yc-companies/labdoor-773) — **Labdoor** · YC Winter 2015 · Consumer, Food and Beverage · Active · team 11 · yc_id:773 — Labdoor is building the trusted online drugstore.
- [LabelFlow](https://lemstudio.co/yc-companies/labelflow-1945) — **LabelFlow** · YC Summer 2018 · B2B, Engineering, Product and Design · Inactive · team 6 · yc_id:1945 — GitHub for visual data
- [Labric](https://lemstudio.co/yc-companies/labric-30466) — **Labric** · YC Spring 2025 · B2B, Analytics · Active · team 6 · yc_id:30466 — The data layer for scientific research
- [Ladder](https://lemstudio.co/yc-companies/ladder-13090) — **Ladder** · YC Summer 2020 · Real Estate and Construction, Construction · Acquired · team 1 · yc_id:13090 — Labor Marketplace for Construction
- [Lago](https://lemstudio.co/yc-companies/lago-24151) — **Lago** · YC Summer 2021 · B2B, Finance and Accounting · Active · team 27 · yc_id:24151 — The AI Native Billing Platform
- [Laguna](https://lemstudio.co/yc-companies/laguna-13073) — **Laguna** · YC Winter 2020 · Real Estate and Construction, Housing and Real Estate · Inactive · team 2 · yc_id:13073
- [LAIKA](https://lemstudio.co/yc-companies/laika-12875) — **LAIKA** · YC Summer 2019 · Consumer, Home and Personal · Active · team 500 · yc_id:12875 — Online pets supplies for Latin America with over 4000 products & 20…
- [Lakonia](https://lemstudio.co/yc-companies/lakonia-30888) — **Lakonia** · YC Fall 2025 · Government · Active · team 2 · yc_id:30888 — Delivering AI-powered situational awareness in tactical environments.
- [Lalabox](https://lemstudio.co/yc-companies/lalabox-22846) — **Lalabox** · YC Winter 2021 · Consumer, Content · Inactive · team 4 · yc_id:22846 — Live stream shopping for beauty products
- [Lamar Health](https://lemstudio.co/yc-companies/lamar-health-23220) — **Lamar Health** · YC Winter 2021 · Healthcare, Healthcare IT · Active · team 15 · yc_id:23220 — Take Care of Shitty Paperwork for Expensive Drugs
- [Lamb Labs](https://lemstudio.co/yc-companies/lamb-labs-33054) — **Lamb Labs** · YC Summer 2026 · B2B · Active · yc_id:33054 — Lightning fast chips with hardcoded AI models
- [Lambda Robotics](https://lemstudio.co/yc-companies/lambda-robotics-34365) — **Lambda Robotics** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 6 · yc_id:34365 — Robotics for AI Infrastructure
- [Lambda Tea](https://lemstudio.co/yc-companies/lambda-tea-1881) — **Lambda Tea** · YC Winter 2018 · Consumer, Food and Beverage · Inactive · team 2 · yc_id:1881 — We build self-serve bubble tea dispensers! :D
- [Lamin](https://lemstudio.co/yc-companies/lamin-27092) — **Lamin** · YC Summer 2022 · B2B, Infrastructure · Active · team 10 · yc_id:27092 — Open data platform for traceable, multimodal AI
- [Lamina Labs](https://lemstudio.co/yc-companies/lamina-labs-31421) — **Lamina Labs** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31421 — Near-real-time video infrastructure for LLMs
- [Laminar](https://lemstudio.co/yc-companies/laminar-29782) — **Laminar** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:29782 — Understand why your AI agent breaks. Iterate fast to fix it.
- [Laminar](https://lemstudio.co/yc-companies/laminar-30115) — **Laminar** · YC Fall 2024 · B2B · Active · team 15 · yc_id:30115 — Enterprise systems delivery without the turbulence.
- [Laminate](https://lemstudio.co/yc-companies/laminate-27669) — **Laminate** · YC Winter 2023 · Fintech · Active · yc_id:27669
- [Lance](https://lemstudio.co/yc-companies/lance-31089) — **Lance** · YC Winter 2026 · B2B · Active · team 10 · yc_id:31089 — AI Agents That Run Hotel Operations.
- [LanceDB](https://lemstudio.co/yc-companies/lancedb-25561) — **LanceDB** · YC Winter 2022 · B2B, Infrastructure · Active · team 35 · yc_id:25561 — Open-source, serverless vectordb for production-scale generative AI
- [Landed](https://lemstudio.co/yc-companies/landed-1054) — **Landed** · YC Winter 2016 · Fintech, Credit and Lending · Acquired · team 2 · yc_id:1054 — White-labeled shared appreciation down payment programs for employers
- [Landed](https://lemstudio.co/yc-companies/landed-12057) — **Landed** · YC Winter 2019 · B2B, Recruiting and Talent · Active · team 50 · yc_id:12057 — Generative AI for frontline worker hiring
- [Landeed](https://lemstudio.co/yc-companies/landeed-27252) — **Landeed** · YC Summer 2022 · Fintech · Active · team 35 · yc_id:27252 — Landeed is India’s digital infrastructure for property intelligence,…
- [Lanesurf](https://lemstudio.co/yc-companies/lanesurf-30615) — **Lanesurf** · YC Summer 2025 · B2B · Active · team 11 · yc_id:30615 — Book any load in 10 minutes
- [Langdock](https://lemstudio.co/yc-companies/langdock-29041) — **Langdock** · YC Summer 2023 · B2B, Productivity · Active · team 55 · yc_id:29041 — The all-in-one AI platform for companies.
- [Langfuse](https://lemstudio.co/yc-companies/langfuse-27870) — **Langfuse** · YC Winter 2023 · B2B, Engineering, Product and Design · Acquired · team 26 · yc_id:27870 — Open source LLM engineering platform
- [Lantern](https://lemstudio.co/yc-companies/lantern-12610) — **Lantern** · YC Summer 2019 · B2B, Analytics · Inactive · team 4 · yc_id:12610 — User behavior monitoring for modern product teams
- [Lantern](https://lemstudio.co/yc-companies/lantern-29178) — **Lantern** · YC Winter 2024 · B2B · Inactive · team 3 · yc_id:29178 — Postgres vector database extension to build AI applications
- [Lantern AI](https://lemstudio.co/yc-companies/lantern-ai-35190) — **Lantern AI** · YC Fall 2026 · B2B, Human Resources · Active · team 4 · yc_id:35190 — Turn Your Taste Into Hires
- [Lanyrd](https://lemstudio.co/yc-companies/lanyrd-165) — **Lanyrd** · YC Winter 2011 · Consumer, Job and Career Services · Acquired · team 2 · yc_id:165 — IMDB of conferences.
- [Lapel](https://lemstudio.co/yc-companies/lapel-30524) — **Lapel** · YC Spring 2025 · B2B · Active · team 15 · yc_id:30524 — Infrastructure to power every customer interaction.
- [Lapis](https://lemstudio.co/yc-companies/lapis-30822) — **Lapis** · YC Fall 2025 · B2B, Marketing · Active · team 5 · yc_id:30822 — AI that creates and runs ads, end-end
- [lapzo](https://lemstudio.co/yc-companies/lapzo-24459) — **lapzo** · YC Summer 2021 · B2B, Human Resources · Active · team 135 · yc_id:24459 — Lattice for Latam with personalized learning and development
- [Lariat Data](https://lemstudio.co/yc-companies/lariat-data-24156) — **Lariat Data** · YC Summer 2021 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:24156 — Observability for Data Engineering Teams
- [Lark](https://lemstudio.co/yc-companies/lark-37601) — **Lark** · YC Fall 2026 · Industrials · Active · team 2 · yc_id:37601 — Lark - Specialized agents for wholesale distributors
- [Lark](https://lemstudio.co/yc-companies/lark-30630) — **Lark** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:30630 — The E2E testing layer for AI-driven development
- [Laserfocus](https://lemstudio.co/yc-companies/laserfocus-13320) — **Laserfocus** · YC Winter 2020 · B2B, Sales · Inactive · team 2 · yc_id:13320 — Implement streamlined Salesforce processes for agile GTM teams
- [Last Accounting Company](https://lemstudio.co/yc-companies/last-accounting-company-32914) — **Last Accounting Company** · YC Summer 2026 · B2B, Finance and Accounting · Active · team 4 · yc_id:32914 — AI-native accounting firm.
- [Latchel](https://lemstudio.co/yc-companies/latchel-12276) — **Latchel** · YC Winter 2019 · B2B, Operations · Active · yc_id:12276 — 24/7 emergency maintenance department for property managers and…
- [Latent](https://lemstudio.co/yc-companies/latent-27700) — **Latent** · YC Winter 2023 · Healthcare, Healthcare IT · Active · team 50 · yc_id:27700 — Medical language models to automate healthcare operations
- [Latent Space](https://lemstudio.co/yc-companies/latent-space-26890) — **Latent Space** · YC Summer 2022 · Consumer · Active · team 100 · yc_id:26890 — Applied AI for The Emerging Economies
- [LATO](https://lemstudio.co/yc-companies/lato-32682) — **LATO** · YC Summer 2026 · B2B · Active · team 2 · yc_id:32682 — Predict how market participants behave
- [Latted](https://lemstudio.co/yc-companies/latted-29501) — **Latted** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29501 — A Unified Editor For AI Video
- [Lattice](https://lemstudio.co/yc-companies/lattice-973) — **Lattice** · YC Winter 2016 · B2B, Human Resources · Active · team 540 · yc_id:973 — Modern people management platform.
- [Lattice Health](https://lemstudio.co/yc-companies/lattice-health-31533) — **Lattice Health** · YC Spring 2026 · Healthcare · Active · team 1 · yc_id:31533 — Monitoring and governance for deployed medical imaging AI
- [Laudable](https://lemstudio.co/yc-companies/laudable-24241) — **Laudable** · YC Summer 2021 · B2B, Marketing · Acquired · team 5 · yc_id:24241 — App for B2B companies to find customer stories and advocates
- [Laudspeaker](https://lemstudio.co/yc-companies/laudspeaker-22741) — **Laudspeaker** · YC Winter 2021 · B2B, Marketing · Acquired · team 3 · yc_id:22741 — Open source mobile marketing platform. Alternative to appcues /…
- [Launcher Labs](https://lemstudio.co/yc-companies/launcher-labs-23085) — **Launcher Labs** · YC Winter 2021 · Consumer · Inactive · team 4 · yc_id:23085 — Maker of consumer crypto apps: Launchcaster, Frameboard, Maindrop
- [LaunchFlow](https://lemstudio.co/yc-companies/launchflow-27820) — **LaunchFlow** · YC Winter 2023 · B2B, Operations · Active · team 2 · yc_id:27820 — Collaborative workspace for internal tools and agents
- [LaunchHear](https://lemstudio.co/yc-companies/launchhear-222) — **LaunchHear** · YC Winter 2010 · B2B, Operations · Inactive · team 2 · yc_id:222 — LaunchHear was a startup attempting to make PR scale in the same way…
- [Launchpad Toys](https://lemstudio.co/yc-companies/launchpad-toys-115) — **Launchpad Toys** · YC Summer 2011 · Consumer, Gaming · Acquired · team 2 · yc_id:115 — Creativity at Play.  Tablet toys.   Acquired by Google, 2015.
- [Laurence](https://lemstudio.co/yc-companies/laurence-31173) — **Laurence** · YC Winter 2026 · B2B, Analytics · Active · team 2 · yc_id:31173 — Quantitative research for autonomous e-commerce growth
- [Lavo Life Sciences](https://lemstudio.co/yc-companies/lavo-life-sciences-27201) — **Lavo Life Sciences** · YC Winter 2023 · Healthcare, Drug Discovery and Delivery · Inactive · team 3 · yc_id:27201 — AI for drug formulation
- [Lawdingo](https://lemstudio.co/yc-companies/lawdingo-484) — **Lawdingo** · YC Winter 2013 · Consumer, Home and Personal · Active · yc_id:484 — Lawdingo provides virtual paralegal services to law firms.
- [Lawn Love](https://lemstudio.co/yc-companies/lawn-love-684) — **Lawn Love** · YC Summer 2014 · Consumer, Home and Personal · Acquired · team 150 · yc_id:684 — Modern, on-demand lawn care service. Get a quote in two minutes.
- [Lawyaw](https://lemstudio.co/yc-companies/lawyaw-1816) — **Lawyaw** · YC Winter 2018 · B2B, Legal · Acquired · team 15 · yc_id:1816 — Automating document-based workflows
- [Layer By Layer](https://lemstudio.co/yc-companies/layer-by-layer-543) — **Layer By Layer** · YC Summer 2013 · Consumer, Home and Personal · Acquired · team 2 · yc_id:543 — Acquired by MakerBot in February 2014. 

A marketplace for 3D…
- [Layers](https://lemstudio.co/yc-companies/layers-30983) — **Layers** · YC Fall 2025 · Healthcare, Consumer Health and Wellness · Active · team 2 · yc_id:30983 — Improve your appearance by measuring, understanding, and tracking…
- [Layerup](https://lemstudio.co/yc-companies/layerup-26505) — **Layerup** · YC Summer 2022 · B2B · Active · team 11 · yc_id:26505 — Agentic AI OS for Financial Services and Insurance
- [Laylo](https://lemstudio.co/yc-companies/laylo-22082) — **Laylo** · YC Summer 2020 · B2B, Marketing · Active · team 24 · yc_id:22082 — The CRM powering iconic musicians and events
- [Layup](https://lemstudio.co/yc-companies/layup-27687) — **Layup** · YC Winter 2023 · B2B · Inactive · team 3 · yc_id:27687 — Guide your users. Right in your product.
- [Le Tote](https://lemstudio.co/yc-companies/le-tote-544) — **Le Tote** · YC Summer 2013 · Consumer, Apparel and Cosmetics · Inactive · team 201 · yc_id:544 — Subscription service for women's apparel & accessories. 
- [Leada](https://lemstudio.co/yc-companies/leada-918) — **Leada** · YC Summer 2015 · Education · Inactive · team 1 · yc_id:918 — Online enterprise training in data science and analytics.…
- [Leadbay](https://lemstudio.co/yc-companies/leadbay-30932) — **Leadbay** · YC Fall 2025 · B2B, Sales · Active · team 8 · yc_id:30932 — Qualified leads for agentic workflows.
- [Leaders In Tech](https://lemstudio.co/yc-companies/leaders-in-tech-865) — **Leaders In Tech** · YC Summer 2015 · Unspecified · Active · team 1 · yc_id:865 — Become the leader your company needs.
- [LeadGenius](https://lemstudio.co/yc-companies/leadgenius-105) — **LeadGenius** · YC Summer 2011 · B2B, Sales · Active · team 50 · yc_id:105 — LeadGenius is an account-based marketing and lead generation…
- [Leafpress](https://lemstudio.co/yc-companies/leafpress-28743) — **Leafpress** · YC Summer 2023 · B2B · Inactive · team 2 · yc_id:28743 — AI Energy Management
- [LEAH Labs](https://lemstudio.co/yc-companies/leah-labs-11979) — **LEAH Labs** · YC Winter 2019 · Healthcare, Therapeutics · Active · team 4 · yc_id:11979 — Living therapies for pets first, and their people next
- [Leaky](https://lemstudio.co/yc-companies/leaky-120) — **Leaky** · YC Summer 2011 · Fintech, Consumer Finance · Inactive · team 2 · yc_id:120 — Online auto and business insurance. (Acquired 2013)
- [LeanMarket](https://lemstudio.co/yc-companies/leanmarket-392) — **LeanMarket** · YC Summer 2012 · B2B, Marketing · Inactive · team 2 · yc_id:392 — Mobile advertising
- [Leaping](https://lemstudio.co/yc-companies/leaping-29278) — **Leaping** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29278 — Automate bug resolution
- [Leaping AI](https://lemstudio.co/yc-companies/leaping-ai-30181) — **Leaping AI** · YC Winter 2025 · B2B · Active · team 13 · yc_id:30181 — AI voice and texting agents
- [Ledger Investing](https://lemstudio.co/yc-companies/ledger-investing-1464) — **Ledger Investing** · YC Winter 2017 · Fintech, Insurance · Active · team 85 · yc_id:1464 — Marketplace for insurance securitization.
- [LedgerUp](https://lemstudio.co/yc-companies/ledgerup-29702) — **LedgerUp** · YC Summer 2024 · B2B, Finance and Accounting · Active · team 5 · yc_id:29702 — AI agents that handles complex billing and revenue
- [Leena AI](https://lemstudio.co/yc-companies/leena-ai-2017) — **Leena AI** · YC Summer 2018 · B2B · Active · team 500 · yc_id:2017 — We at Leena AI build a virtual assistant that answers employee's…
- [Leeroo](https://lemstudio.co/yc-companies/leeroo-29656) — **Leeroo** · YC Spring 2025 · B2B · Active · team 3 · yc_id:29656 — Organizational Superintelligence
- [Leftronic](https://lemstudio.co/yc-companies/leftronic-194) — **Leftronic** · YC Summer 2010 · Consumer, Consumer Electronics · Acquired · team 11 · yc_id:194 — Business dashboards
- [Legacy](https://lemstudio.co/yc-companies/legacy-12554) — **Legacy** · YC Summer 2019 · Healthcare, Consumer Health and Wellness · Active · team 35 · yc_id:12554 — Legacy helps you test, improve, and freeze your sperm
- [Legalist](https://lemstudio.co/yc-companies/legalist-1249) — **Legalist** · YC Summer 2016 · Fintech, Credit and Lending · Active · team 40 · yc_id:1249 — Legal investment firm
- [LegalOS](https://lemstudio.co/yc-companies/legalos-31101) — **LegalOS** · YC Winter 2026 · B2B, Legal · Active · team 3 · yc_id:31101 — The AI-Native Immigration Law Firm
- [Legion Health](https://lemstudio.co/yc-companies/legion-health-23946) — **Legion Health** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · team 11 · yc_id:23946 — Autonomous medical care
- [Legora](https://lemstudio.co/yc-companies/legora-29201) — **Legora** · YC Winter 2024 · B2B, Legal · Active · team 400 · yc_id:29201 — The AI workspace for lawyers
- [LemFi](https://lemstudio.co/yc-companies/lemfi-24372) — **LemFi** · YC Summer 2021 · Fintech, Banking and Exchange · Active · team 500 · yc_id:24372 — Fair, simple and accessible financial services
- [Lemma](https://lemstudio.co/yc-companies/lemma-30969) — **Lemma** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30969 — Production Monitoring for AI agents
- [LemonBox](https://lemstudio.co/yc-companies/lemonbox-2025) — **LemonBox** · YC Summer 2018 · Healthcare, Consumer Health and Wellness · Active · team 20 · yc_id:2025 — AI-generated personalized nutrition solutions, built for you daily.
- [LemonLime](https://lemstudio.co/yc-companies/lemonlime-32171) — **LemonLime** · YC Summer 2026 · B2B · Active · team 5 · yc_id:32171 — Fully automated GTM for small business
- [LemonSlice](https://lemstudio.co/yc-companies/lemonslice-29333) — **LemonSlice** · YC Winter 2024 · B2B · Active · team 8 · yc_id:29333 — Give your voice agents a face
- [LendEDU](https://lemstudio.co/yc-companies/lendedu-1013) — **LendEDU** · YC Winter 2016 · Education · Acquired · team 10 · yc_id:1013 — LendEDU is a marketplace for consumer financial products.
- [Lendflow](https://lemstudio.co/yc-companies/lendflow-22833) — **Lendflow** · YC Winter 2021 · Fintech, Payments · Active · team 55 · yc_id:22833 — Embedded lending infrastructure for software companies
- [Lendsnap](https://lemstudio.co/yc-companies/lendsnap-1303) — **Lendsnap** · YC Summer 2016 · Fintech, Banking and Exchange · Inactive · yc_id:1303 — The Digital Mortgage Company.
- [Lendtable](https://lemstudio.co/yc-companies/lendtable-22174) — **Lendtable** · YC Summer 2020 · Fintech, Credit and Lending · Active · team 20 · yc_id:22174 — We give employees cash advances for their 401k match and ESPP
- [LendUp](https://lemstudio.co/yc-companies/lendup-41) — **LendUp** · YC Winter 2012 · Fintech, Credit and Lending · Inactive · team 201 · yc_id:41 — LendUp is a socially responsible company on a mission to redefine…
- [Lenk](https://lemstudio.co/yc-companies/lenk-25528) — **Lenk** · YC Winter 2022 · Fintech, Credit and Lending · Active · team 18 · yc_id:25528 — The next-gen lending platform for the banking system in LATAM.
- [Leon & George](https://lemstudio.co/yc-companies/leon-george-1595) — **Leon & George** · YC Summer 2017 · Consumer · Active · team 10 · yc_id:1595 — Buying and owning indoor potted plants made easy.
- [Let's Do This](https://lemstudio.co/yc-companies/let-s-do-this-1805) — **Let's Do This** · YC Winter 2018 · Consumer, Travel, Leisure and Tourism · Active · team 75 · yc_id:1805 — The online company that gets everyone offline
- [Letter](https://lemstudio.co/yc-companies/letter-22106) — **Letter** · YC Summer 2020 · Fintech, Banking and Exchange · Inactive · team 9 · yc_id:22106 — Beautifully designed banking for high net-worth individuals.
- [Letter AI](https://lemstudio.co/yc-companies/letter-ai-28956) — **Letter AI** · YC Summer 2023 · B2B, Productivity · Active · team 70 · yc_id:28956 — End-to-end content, learning, & deal intelligence for B2B sales teams
- [Letterbook](https://lemstudio.co/yc-companies/letterbook-29160) — **Letterbook** · YC Summer 2023 · B2B, Operations · Active · team 2 · yc_id:29160 — AI-native customer support platform
- [Letterdrop](https://lemstudio.co/yc-companies/letterdrop-13104) — **Letterdrop** · YC Winter 2020 · B2B, Sales · Active · team 10 · yc_id:13104 — Get into the competitive deals you can't see
- [Level](https://lemstudio.co/yc-companies/level-23974) — **Level** · YC Summer 2021 · Fintech, Credit and Lending · Acquired · yc_id:23974 — Fast and simple fintech financing
- [Level Frames](https://lemstudio.co/yc-companies/level-frames-815) — **Level Frames** · YC Winter 2015 · Consumer, Home and Personal · Active · team 5 · yc_id:815 — Software eats custom framing
- [Lever](https://lemstudio.co/yc-companies/lever-429) — **Lever** · YC Summer 2012 · B2B, Recruiting and Talent · Acquired · team 225 · yc_id:429 — Talent Acquisition Suite that combines ATS + Talent CRM
- [Levers](https://lemstudio.co/yc-companies/levers-27157) — **Levers** · YC Summer 2022 · B2B, Finance and Accounting · Active · team 8 · yc_id:27157 — Automating collection and boosting cashflow for B2B companies
- [Levo](https://lemstudio.co/yc-companies/levo-24498) — **Levo** · YC Summer 2021 · Fintech, Asset Management · Inactive · team 6 · yc_id:24498 — Treasury management platform for SMBs to optimize idle cash in Latam
- [Levocred AI](https://lemstudio.co/yc-companies/levocred-ai-33023) — **Levocred AI** · YC Summer 2026 · Fintech · Active · team 2 · yc_id:33023 — The Bloomberg of Loans
- [Levro](https://lemstudio.co/yc-companies/levro-24037) — **Levro** · YC Summer 2021 · Fintech, Banking and Exchange · Active · team 12 · yc_id:24037 — Multicurrency account & international payments for businesses
- [Lexi](https://lemstudio.co/yc-companies/lexi-30920) — **Lexi** · YC Fall 2025 · B2B, Legal · Active · team 15 · yc_id:30920 — AI Operating System for Legal Teams
- [Lexius](https://lemstudio.co/yc-companies/lexius-31094) — **Lexius** · YC Winter 2026 · B2B, Security · Active · team 3 · yc_id:31094 — AI for Corporate Security Cameras
- [Lexter.ai](https://lemstudio.co/yc-companies/lexter-ai-25538) — **Lexter.ai** · YC Winter 2022 · B2B, Legal · Active · team 18 · yc_id:25538 — LLM for Legal in Brazil
- [Lezzoo](https://lemstudio.co/yc-companies/lezzoo-12255) — **Lezzoo** · YC Winter 2019 · Consumer, Food and Beverage · Active · team 190 · yc_id:12255 — Lezzoo is an on-demand delivery Superapp for Iraq. 
- [LFcarry](https://lemstudio.co/yc-companies/lfcarry-13620) — **LFcarry** · YC Winter 2020 · Consumer, Gaming · Active · team 3 · yc_id:13620 — AI workspace for professional gamers
- [Libra Robotics](https://lemstudio.co/yc-companies/libra-robotics-31226) — **Libra Robotics** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:31226 — Robotic crews for large-scale infrastructure construction
- [LifeAt](https://lemstudio.co/yc-companies/lifeat-25287) — **LifeAt** · YC Winter 2022 · Consumer · Active · team 6 · yc_id:25287 — One tool to supercharge your productivity.
- [Lifecast](https://lemstudio.co/yc-companies/lifecast-25817) — **Lifecast** · YC Winter 2022 · Consumer · Inactive · team 2 · yc_id:25817 — Software to create 3D video for VR, robotics and film.
- [Lifelike](https://lemstudio.co/yc-companies/lifelike-28813) — **Lifelike** · YC Summer 2023 · Consumer · Inactive · team 2 · yc_id:28813
- [LifestyleRx](https://lemstudio.co/yc-companies/lifestylerx-28937) — **LifestyleRx** · YC Summer 2023 · Healthcare, Healthcare Services · Active · team 9 · yc_id:28937 — Virtual Care for Type 2 Diabetes Reversal
- [Liftigniter](https://lemstudio.co/yc-companies/liftigniter-612) — **Liftigniter** · YC Winter 2014 · B2B, Marketing · Acquired · team 11 · yc_id:612 — Machine Learning personalization for dynamic digital properties -…
- [Light Anchor](https://lemstudio.co/yc-companies/light-anchor-31376) — **Light Anchor** · YC Spring 2026 · Consumer · Active · team 2 · yc_id:31376 — AI-run consumer brands
- [Light Table/Eve](https://lemstudio.co/yc-companies/light-table-eve-466) — **Light Table/Eve** · YC Summer 2012 · B2B, Engineering, Product and Design · Inactive · team 5 · yc_id:466 — Eve is our way of bringing the power of computation to everyone, not…
- [Lightberry](https://lemstudio.co/yc-companies/lightberry-30987) — **Lightberry** · YC Fall 2025 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:30987 — Robots with soul
- [Lightdash](https://lemstudio.co/yc-companies/lightdash-21782) — **Lightdash** · YC Summer 2020 · B2B, Analytics · Active · team 23 · yc_id:21782 — The open source Looker alternative 
- [Lighthouz AI](https://lemstudio.co/yc-companies/lighthouz-ai-29705) — **Lighthouz AI** · YC Summer 2024 · B2B · Active · team 8 · yc_id:29705 — Freight bill audits, AP, AR automation for freight brokers with…
- [Lightly](https://lemstudio.co/yc-companies/lightly-24879) — **Lightly** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:24879 — Help ML teams label the right data
- [Lightmeter](https://lemstudio.co/yc-companies/lightmeter-25557) — **Lightmeter** · YC Winter 2022 · B2B, Sales · Active · team 5 · yc_id:25557 — Managed Sales Email Delivery For Cold Outreach
- [Lightscreen AI](https://lemstudio.co/yc-companies/lightscreen-ai-30038) — **Lightscreen AI** · YC Fall 2024 · B2B, Recruiting and Talent · Active · team 2 · yc_id:30038 — Voice + video AI interviewer
- [Lightski](https://lemstudio.co/yc-companies/lightski-28361) — **Lightski** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:28361 — Transform Document Workflows with AI Agents
- [LightSprint](https://lemstudio.co/yc-companies/lightsprint-31360) — **LightSprint** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:31360 — Software factory for product teams
- [LightTwist](https://lemstudio.co/yc-companies/lighttwist-22969) — **LightTwist** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:22969 — Realistic virtual video studio to record and stream from your browser
- [Lightwell](https://lemstudio.co/yc-companies/lightwell-12650) — **Lightwell** · YC Summer 2019 · B2B, Engineering, Product and Design · Inactive · team 4 · yc_id:12650
- [Ligo Biosciences](https://lemstudio.co/yc-companies/ligo-biosciences-29412) — **Ligo Biosciences** · YC Summer 2024 · Healthcare, Industrial Bio · Active · team 4 · yc_id:29412 — Enzyme design models.
- [Likebetter](https://lemstudio.co/yc-companies/likebetter-364) — **Likebetter** · YC Summer 2006 · Consumer, Gaming · Inactive · team 2 · yc_id:364
- [Lilac](https://lemstudio.co/yc-companies/lilac-30649) — **Lilac** · YC Summer 2025 · B2B · Active · team 4 · yc_id:30649 — We sell GPUs.
- [Lilac Labs](https://lemstudio.co/yc-companies/lilac-labs-29787) — **Lilac Labs** · YC Summer 2024 · B2B · Inactive · team 4 · yc_id:29787 — We automate the person taking orders at drive-thrus with a voice AI
- [Lilia](https://lemstudio.co/yc-companies/lilia-13086) — **Lilia** · YC Winter 2020 · Healthcare, Consumer Health and Wellness · Inactive · team 3 · yc_id:13086 — Modern egg freezing for half the cost in half the time with top docs
- [Limrun](https://lemstudio.co/yc-companies/limrun-31377) — **Limrun** · YC Spring 2026 · B2B, Infrastructure · Active · team 1 · yc_id:31377 — Extend cloud sandboxes with iOS, Android and more
- [Linc.](https://lemstudio.co/yc-companies/linc-28791) — **Linc.** · YC Summer 2023 · B2B · Active · team 5 · yc_id:28791 — AI-Native Process Mining and Enterprise Transformation Platform
- [Line.Build](https://lemstudio.co/yc-companies/line-build-29089) — **Line.Build** · YC Summer 2023 · B2B · Inactive · team 3 · yc_id:29089 — Incentives and financing for energy efficiency upgrades
- [LineLeap](https://lemstudio.co/yc-companies/lineleap-12700) — **LineLeap** · YC Summer 2019 · Consumer, Food and Beverage · Active · team 50 · yc_id:12700 — LineLeap gets customers to the fun, faster.
- [Lingo.dev](https://lemstudio.co/yc-companies/lingo-dev-30060) — **Lingo.dev** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:30060 — The Localization Engineering Platform
- [Lingt](https://lemstudio.co/yc-companies/lingt-259) — **Lingt** · YC Summer 2009 · Education · Active · team 2 · yc_id:259 — Lingt provided a web-based platform for learning languages leveraging…
- [Linkana](https://lemstudio.co/yc-companies/linkana-13497) — **Linkana** · YC Winter 2020 · B2B, Supply Chain and Logistics · Active · team 21 · yc_id:13497 — The leading SRM platform for LatAm
- [LinkGrep](https://lemstudio.co/yc-companies/linkgrep-27836) — **LinkGrep** · YC Winter 2023 · B2B, Productivity · Active · team 2 · yc_id:27836 — AI browser copilot for teams
- [Linum](https://lemstudio.co/yc-companies/linum-27675) — **Linum** · YC Winter 2023 · Consumer · Active · team 2 · yc_id:27675 — type text, dream video
- [Linzumi](https://lemstudio.co/yc-companies/linzumi-31046) — **Linzumi** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:31046 — Team chat to command all your company's coding agents
- [Lio (formerly askLio)](https://lemstudio.co/yc-companies/lio-formerly-asklio-28824) — **Lio (formerly askLio)** · YC Summer 2023 · B2B · Active · team 80 · yc_id:28824 — The World's First Multi-Agent System for Procurement
- [Lion Pose](https://lemstudio.co/yc-companies/lion-pose-22693) — **Lion Pose** · YC Winter 2021 · Consumer · Active · team 3 · yc_id:22693 — Clinical skincare tested on diverse skin, now available in Sephora.
- [Liquid Compute](https://lemstudio.co/yc-companies/liquid-compute-30269) — **Liquid Compute** · YC Winter 2025 · Fintech, Banking and Exchange · Active · team 5 · yc_id:30269 — Pending CFTC regulation to be the first cash and physically settled…
- [Listia](https://lemstudio.co/yc-companies/listia-239) — **Listia** · YC Summer 2009 · Consumer, Home and Personal · Active · team 6 · yc_id:239 — Mobile marketplace for trading used goods.
- [ListRunner](https://lemstudio.co/yc-companies/listrunner-685) — **ListRunner** · YC Summer 2014 · Healthcare, Healthcare IT · Acquired · team 2 · yc_id:685 — Replaces paper patient lists for doctors. 
- [LiteLLM](https://lemstudio.co/yc-companies/litellm-28409) — **LiteLLM** · YC Winter 2023 · B2B · Active · team 20 · yc_id:28409 — Call every LLM API like it's OpenAI [100+ LLMs]
- [LitHit](https://lemstudio.co/yc-companies/lithit-1460) — **LitHit** · YC Winter 2017 · Consumer, Consumer Electronics · Inactive · team 2 · yc_id:1460 — Smart Target for Shooting Sports
- [Litmus](https://lemstudio.co/yc-companies/litmus-31304) — **Litmus** · YC Summer 2026 · B2B · Active · team 3 · yc_id:31304 — Evals for humans
- [Litnerd](https://lemstudio.co/yc-companies/litnerd-24558) — **Litnerd** · YC Summer 2021 · Education · Active · team 6 · yc_id:24558 — Reading + Writing Club App for Kids
- [Littio](https://lemstudio.co/yc-companies/littio-28090) — **Littio** · YC Winter 2023 · Fintech, Consumer Finance · Active · team 37 · yc_id:28090 — Dollar banking for people in Latin America
- [Liv Labs](https://lemstudio.co/yc-companies/liv-labs-24925) — **Liv Labs** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · team 1 · yc_id:24925 — Pelvic floor fitness made easy
- [Liva AI](https://lemstudio.co/yc-companies/liva-ai-30622) — **Liva AI** · YC Summer 2025 · B2B · Active · team 6 · yc_id:30622 — Building socially intelligent AI
- [Livedocs](https://lemstudio.co/yc-companies/livedocs-25692) — **Livedocs** · YC Winter 2022 · B2B, Analytics · Inactive · team 3 · yc_id:25692 — A New Kind of Notebook for Data Storytelling
- [LiveFlow](https://lemstudio.co/yc-companies/liveflow-22906) — **LiveFlow** · YC Winter 2021 · B2B, Finance and Accounting · Active · team 51 · yc_id:22906 — The Unified AI-ERP & FP&A Platform
- [Lively, Inc.](https://lemstudio.co/yc-companies/lively-inc-1554) — **Lively, Inc.** · YC Winter 2017 · Healthcare, Healthcare IT · Active · team 195 · yc_id:1554 — Modern employee benefits & health savings account (HSA) provider
- [Livement](https://lemstudio.co/yc-companies/livement-1210) — **Livement** · YC Summer 2016 · B2B · Active · team 45 · yc_id:1210 — Livement makes selling tickets for events easy and safe for organizers
- [Living Carbon](https://lemstudio.co/yc-companies/living-carbon-13532) — **Living Carbon** · YC Winter 2020 · Industrials, Climate · Active · team 40 · yc_id:13532 — maximizing biomass on low quality land
- [Liyfe](https://lemstudio.co/yc-companies/liyfe-22044) — **Liyfe** · YC Summer 2020 · Healthcare · Active · team 2 · yc_id:22044 — Digital Nurse to Automate Symptom Assessment and Risk…
- [Lizza](https://lemstudio.co/yc-companies/lizza-26294) — **Lizza** · YC Winter 2022 · B2B, Retail · Active · team 7 · yc_id:26294 — AI-assitant for managing creator-brand partnerships
- [LLM Stats](https://lemstudio.co/yc-companies/llm-stats-30625) — **LLM Stats** · YC Summer 2025 · B2B, Infrastructure · Active · team 2 · yc_id:30625 — Independent AI evaluations lab
- [Lob](https://lemstudio.co/yc-companies/lob-552) — **Lob** · YC Summer 2013 · B2B, Marketing · Active · team 150 · yc_id:552 — Lob is the only automation platform that transforms direct mail into…
- [Lobby](https://lemstudio.co/yc-companies/lobby-23831) — **Lobby** · YC Summer 2021 · Healthcare · Inactive · team 1 · yc_id:23831 — Local onboarding for the $200B health tourism industry
- [Locale](https://lemstudio.co/yc-companies/locale-24190) — **Locale** · YC Summer 2021 · Consumer, Food and Beverage · Active · team 11 · yc_id:24190 — Organic and gourmet high-protein meals, designed for longevity.
- [LocalOn](https://lemstudio.co/yc-companies/localon-545) — **LocalOn** · YC Summer 2013 · B2B, Retail · Inactive · team 2 · yc_id:545 — Web marketing for SMBs & merchants associations.
- [Localyze](https://lemstudio.co/yc-companies/localyze-12626) — **Localyze** · YC Summer 2019 · B2B, Human Resources · Acquired · team 105 · yc_id:12626 — Global mobility platform for companies and employees
- [Locata](https://lemstudio.co/yc-companies/locata-30754) — **Locata** · YC Summer 2025 · Healthcare, Healthcare IT · Active · team 4 · yc_id:30754 — AI Referral Automation for Primary Care Clinics
- [Locent](https://lemstudio.co/yc-companies/locent-920) — **Locent** · YC Summer 2015 · B2B, Marketing · Inactive · team 11 · yc_id:920 — Locent is an automated messaging platform for companies
- [Locke](https://lemstudio.co/yc-companies/locke-33283) — **Locke** · YC Summer 2026 · B2B · Active · team 2 · yc_id:33283 — Locke powers agentic government work.
- [Lockitron](https://lemstudio.co/yc-companies/lockitron-250) — **Lockitron** · YC Summer 2009 · Consumer, Consumer Electronics · Acquired · team 11 · yc_id:250 — Lockitron makes electronic locks you can control locally from your…
- [Locus](https://lemstudio.co/yc-companies/locus-30859) — **Locus** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30859 — Payment infrastructure for AI agents
- [Lofty](https://lemstudio.co/yc-companies/lofty-12533) — **Lofty** · YC Summer 2019 · Fintech · Active · team 7 · yc_id:12533 — Building the NASDAQ for Real Estate.
- [Logarithm Labs](https://lemstudio.co/yc-companies/logarithm-labs-13205) — **Logarithm Labs** · YC Winter 2020 · B2B · Active · team 2 · yc_id:13205 — Easy button to use data for your daily operations
- [Logiblock](https://lemstudio.co/yc-companies/logiblock-509) — **Logiblock** · YC Winter 2013 · B2B, Infrastructure · Inactive · yc_id:509 — Logiblock engineers electronics and development tools to dramatically…
- [Logica](https://lemstudio.co/yc-companies/logica-22869) — **Logica** · YC Winter 2021 · B2B, Finance and Accounting · Active · team 2 · yc_id:22869 — Visual, collaborative financial modeling software
- [Logical](https://lemstudio.co/yc-companies/logical-30907) — **Logical** · YC Fall 2025 · B2B, Productivity · Active · team 2 · yc_id:30907 — A proactive desktop copilot. Clippy, but actually good.
- [LogisticsOS](https://lemstudio.co/yc-companies/logisticsos-22974) — **LogisticsOS** · YC Winter 2021 · B2B, Supply Chain and Logistics · Active · team 6 · yc_id:22974 — World's fastest and most optimal route optimization engine
- [LogosGuard](https://lemstudio.co/yc-companies/logosguard-30900) — **LogosGuard** · YC Fall 2025 · B2B · Active · team 2 · yc_id:30900 — The sensitive data redaction layer for AI
- [Lokal](https://lemstudio.co/yc-companies/lokal-12723) — **Lokal** · YC Summer 2019 · Consumer, Content · Active · team 24 · yc_id:12723 — Local news, information and classifieds for India's small town users
- [Lollipuff](https://lemstudio.co/yc-companies/lollipuff-492) — **Lollipuff** · YC Winter 2013 · Consumer, Apparel and Cosmetics · Active · team 11 · yc_id:492 — Online Auctions for Authentic (Women's) Designer Goods
- [Long Term Stock Exchange](https://lemstudio.co/yc-companies/long-term-stock-exchange-1584) — **Long Term Stock Exchange** · YC Summer 2017 · Fintech, Banking and Exchange · Active · team 68 · yc_id:1584 — LTSE is an ecosystem for visionary business.
- [Look After My Bills](https://lemstudio.co/yc-companies/look-after-my-bills-1874) — **Look After My Bills** · YC Winter 2018 · Fintech, Consumer Finance · Acquired · team 2 · yc_id:1874 — Personal fintech - we optimise your bills, every year, automatically.
- [Looklive](https://lemstudio.co/yc-companies/looklive-1227) — **Looklive** · YC Summer 2016 · Consumer, Apparel and Cosmetics · Inactive · team 11 · yc_id:1227 — Looklive is a community and marketplace for fashion.  Users browse…
- [Loom](https://lemstudio.co/yc-companies/loom-54) — **Loom** · YC Winter 2012 · Consumer, Content · Acquired · team 2 · yc_id:54 — Cloud storage for photos and videos (acquired by Dropbox). 
- [Loombotic](https://lemstudio.co/yc-companies/loombotic-30127) — **Loombotic** · YC Fall 2024 · Industrials, Manufacturing and Robotics · Active · team 25 · yc_id:30127 — Wire Harnesses in as little as 7 days
- [Loop Genomics](https://lemstudio.co/yc-companies/loop-genomics-1000) — **Loop Genomics** · YC Winter 2016 · Healthcare, Diagnostics · Acquired · team 7 · yc_id:1000 — Novel long-read DNA sequencing technology
- [Loop Health](https://lemstudio.co/yc-companies/loop-health-12743) — **Loop Health** · YC Winter 2020 · Healthcare, Healthcare Services · Active · team 27 · yc_id:12743 — Modern & comprehensive health insurance plan for employees in India
- [Loop Support](https://lemstudio.co/yc-companies/loop-support-1450) — **Loop Support** · YC Winter 2017 · B2B, Recruiting and Talent · Acquired · team 7 · yc_id:1450 — Predict job applicant performance for entry-level support roles
- [loopfour](https://lemstudio.co/yc-companies/loopfour-27817) — **loopfour** · YC Winter 2023 · Fintech · Active · team 20 · yc_id:27817 — Workflow automation, without AI hallucinations.
- [Loops](https://lemstudio.co/yc-companies/loops-25340) — **Loops** · YC Winter 2022 · B2B, Marketing · Active · team 10 · yc_id:25340 — Email sending for software companies
- [Loopt](https://lemstudio.co/yc-companies/loopt-373) — **Loopt** · YC Summer 2005 · Consumer, Social · Acquired · team 11 · yc_id:373
- [LootRush](https://lemstudio.co/yc-companies/lootrush-24355) — **LootRush** · YC Summer 2021 · Fintech · Active · yc_id:24355 — The global operating account you truly deserve.
- [Lopus](https://lemstudio.co/yc-companies/lopus-30267) — **Lopus** · YC Winter 2025 · B2B, Analytics · Active · team 2 · yc_id:30267 — Headless Data Team
- [Lore](https://lemstudio.co/yc-companies/lore-29685) — **Lore** · YC Summer 2024 · B2B · Active · team 2 · yc_id:29685 — Transform your iMessage conversations into shareable stories
- [Lotas](https://lemstudio.co/yc-companies/lotas-30638) — **Lotas** · YC Summer 2025 · B2B, Analytics · Active · team 2 · yc_id:30638 — AI for quantitative trading
- [Lotus](https://lemstudio.co/yc-companies/lotus-27251) — **Lotus** · YC Summer 2022 · B2B, Finance and Accounting · Inactive · team 2 · yc_id:27251 — Open-Core Pricing and Billing Engine
- [LotusPay](https://lemstudio.co/yc-companies/lotuspay-1670) — **LotusPay** · YC Summer 2017 · Fintech, Payments · Acquired · team 5 · yc_id:1670 — Recurring payments solution for businesses in India.
- [Loula](https://lemstudio.co/yc-companies/loula-27985) — **Loula** · YC Winter 2023 · Healthcare, Healthcare Services · Active · team 7 · yc_id:27985 — Enabling birth & postpartum doulas to easily accept insurance.
- [Lovage](https://lemstudio.co/yc-companies/lovage-25724) — **Lovage** · YC Winter 2022 · B2B, Marketing · Active · team 3 · yc_id:25724 — Automatically fill empty appointment slots for beauty professionals
- [Lovd](https://lemstudio.co/yc-companies/lovd-22566) — **Lovd** · YC Winter 2021 · Consumer · Inactive · team 4 · yc_id:22566 — It's not used, it's Lovd.
- [Lowkey](https://lemstudio.co/yc-companies/lowkey-1902) — **Lowkey** · YC Summer 2018 · Consumer, Gaming · Acquired · team 10 · yc_id:1902 — Capture, create, & share gaming moments (Acquired by Niantic!)
- [LSK Technologies](https://lemstudio.co/yc-companies/lsk-technologies-21737) — **LSK Technologies** · YC Summer 2020 · Healthcare, Diagnostics · Acquired · team 2 · yc_id:21737 — A diagnostic lab in a box
- [Lua Global Inc](https://lemstudio.co/yc-companies/lua-global-inc-30948) — **Lua Global Inc** · YC Fall 2025 · B2B · Active · team 5 · yc_id:30948 — The mid-market agent platform
- [Luable](https://lemstudio.co/yc-companies/luable-24624) — **Luable** · YC Summer 2021 · Fintech, Asset Management · Active · team 40 · yc_id:24624 — Latin America's Deposits Marketplace for Banks
- [Luca](https://lemstudio.co/yc-companies/luca-28129) — **Luca** · YC Winter 2023 · B2B, Retail · Inactive · team 6 · yc_id:28129 — The Modern Pricing Engine for Retail
- [Luca IQ](https://lemstudio.co/yc-companies/luca-iq-32848) — **Luca IQ** · YC Summer 2026 · B2B, Finance and Accounting · Active · team 5 · yc_id:32848 — API-first tax engine for CPA firms and developers
- [Lucent](https://lemstudio.co/yc-companies/lucent-31087) — **Lucent** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31087 — AI that automatically improves products from user behavior
- [Lucible](https://lemstudio.co/yc-companies/lucible-29678) — **Lucible** · YC Summer 2024 · B2B, Operations · Active · team 2 · yc_id:29678 — Combined checking and investment account
- [Lucid](https://lemstudio.co/yc-companies/lucid-30261) — **Lucid** · YC Winter 2025 · Consumer · Active · team 3 · yc_id:30261 — interactive video models
- [Lucid Bots](https://lemstudio.co/yc-companies/lucid-bots-12597) — **Lucid Bots** · YC Summer 2019 · Industrials, Manufacturing and Robotics · Active · team 26 · yc_id:12597 — We build robots for dull, dirty, and dangerous jobs.
- [Lucidic AI](https://lemstudio.co/yc-companies/lucidic-ai-30272) — **Lucidic AI** · YC Winter 2025 · B2B · Active · yc_id:30272 — Reimagining how Machines Learn 
- [Luciq (formerly Instabug)](https://lemstudio.co/yc-companies/luciq-formerly-instabug-1038) — **Luciq (formerly Instabug)** · YC Winter 2016 · B2B, Engineering, Product and Design · Active · team 250 · yc_id:1038 — Agentic Observability Platform for Mobile
- [Lucira Health](https://lemstudio.co/yc-companies/lucira-health-805) — **Lucira Health** · YC Winter 2015 · Healthcare, Diagnostics · Public · team 43 · yc_id:805 — Next generation infectious disease test kits
- [Lucis](https://lemstudio.co/yc-companies/lucis-30482) — **Lucis** · YC Spring 2025 · Healthcare, Consumer Health and Wellness · Active · team 17 · yc_id:30482 — Function Health for Europe 
- [Lucite](https://lemstudio.co/yc-companies/lucite-29314) — **Lucite** · YC Winter 2024 · B2B · Acquired · team 4 · yc_id:29314 — Supercharging Insurance Brokers & Advisors
- [Lucy Goods, Inc](https://lemstudio.co/yc-companies/lucy-goods-inc-1721) — **Lucy Goods, Inc** · YC Winter 2018 · Consumer, Food and Beverage · Active · team 7 · yc_id:1721 — Lucy’s mission is to reduce tobacco-related harm to zero. We provide…
- [Luel](https://lemstudio.co/yc-companies/luel-31137) — **Luel** · YC Winter 2026 · B2B, Infrastructure · Active · team 12 · yc_id:31137 — Turning everyday words and actions into usable training data.
- [Lugg](https://lemstudio.co/yc-companies/lugg-861) — **Lugg** · YC Summer 2015 · Consumer, Home and Personal · Active · team 50 · yc_id:861 — Move anything, anytime, anywhere
- [Lully](https://lemstudio.co/yc-companies/lully-845) — **Lully** · YC Winter 2015 · Healthcare, Consumer Health and Wellness · Inactive · team 5 · yc_id:845 — Lully is developing an under-the-mattress technology that precisely…
- [Lumari](https://lemstudio.co/yc-companies/lumari-30540) — **Lumari** · YC Spring 2025 · B2B, Supply Chain and Logistics · Active · team 5 · yc_id:30540 — AI Digital Workers for Supply Chain 
- [Lume](https://lemstudio.co/yc-companies/lume-22195) — **Lume** · YC Summer 2020 · Healthcare · Inactive · yc_id:22195
- [Lume](https://lemstudio.co/yc-companies/lume-27697) — **Lume** · YC Winter 2023 · B2B, Engineering, Product and Design · Acquired · team 5 · yc_id:27697 — Speed up customer implementation with AI
- [Lumeria](https://lemstudio.co/yc-companies/lumeria-32985) — **Lumeria** · YC Summer 2026 · Healthcare, Consumer Health and Wellness · Active · team 3 · yc_id:32985 — Oura Ring for Skin
- [Lumetric](https://lemstudio.co/yc-companies/lumetric-29419) — **Lumetric** · YC Winter 2024 · B2B · Acquired · team 2 · yc_id:29419 — The AI Analyst For Deal Teams
- [Lumi](https://lemstudio.co/yc-companies/lumi-855) — **Lumi** · YC Winter 2015 · B2B, Supply Chain and Logistics · Acquired · team 67 · yc_id:855 — Packaging for online brands.
- [Lumina](https://lemstudio.co/yc-companies/lumina-25311) — **Lumina** · YC Winter 2022 · B2B, Operations · Active · team 12 · yc_id:25311 — AI+human powered automation on job-community platform with 1.5M…
- [Luminai](https://lemstudio.co/yc-companies/luminai-21766) — **Luminai** · YC Summer 2020 · B2B, Engineering, Product and Design · Active · team 50 · yc_id:21766 — Luminai is the AI platform for Health System Operations.
- [Luminal](https://lemstudio.co/yc-companies/luminal-30804) — **Luminal** · YC Summer 2025 · B2B, Infrastructure · Active · team 7 · yc_id:30804 — Making AI run fast on any hardware.
- [Luminate](https://lemstudio.co/yc-companies/luminate-24822) — **Luminate** · YC Summer 2021 · Healthcare, Medical Devices · Active · team 55 · yc_id:24822 — We make cancer care at home possible.
- [Lumineye](https://lemstudio.co/yc-companies/lumineye-12623) — **Lumineye** · YC Summer 2019 · Government · Inactive · team 10 · yc_id:12623 — X-ray Vision for First Responders 
- [Luminist Labs](https://lemstudio.co/yc-companies/luminist-labs-1014) — **Luminist Labs** · YC Winter 2016 · Healthcare, Diagnostics · Acquired · team 2 · yc_id:1014 — Diagnostic platform for early detection of liver disease
- [Lumius](https://lemstudio.co/yc-companies/lumius-31435) — **Lumius** · YC Spring 2026 · Healthcare, Medical Devices · Active · team 4 · yc_id:31435 — Fast, smart, accessible 3D ultrasound that anyone can use
- [Lumoid](https://lemstudio.co/yc-companies/lumoid-561) — **Lumoid** · YC Summer 2013 · Consumer, Consumer Electronics · Acquired · team 11 · yc_id:561 — We are a try before you buy service for consumer electronics. 
- [Lumona](https://lemstudio.co/yc-companies/lumona-29459) — **Lumona** · YC Winter 2024 · Consumer · Inactive · team 1 · yc_id:29459 — AI-enabled search engine featuring insights from social media.
- [LunaBill](https://lemstudio.co/yc-companies/lunabill-30997) — **LunaBill** · YC Fall 2025 · Healthcare, Healthcare IT · Active · team 4 · yc_id:30997 — AI Voice callers for healthcare billing teams
- [LunaJoy Health](https://lemstudio.co/yc-companies/lunajoy-health-25682) — **LunaJoy Health** · YC Winter 2022 · Healthcare, Healthcare Services · Active · team 6 · yc_id:25682 — AI-powered scalable infrastructure + mental health services, starting…
- [LunaSec](https://lemstudio.co/yc-companies/lunasec-12615) — **LunaSec** · YC Summer 2019 · B2B, Security · Inactive · team 4 · yc_id:12615 — An Open Source dependency security tool that is smarter than the rest
- [Lunatic](https://lemstudio.co/yc-companies/lunatic-23269) — **Lunatic** · YC Winter 2021 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:23269 — Operating System for server-side apps
- [Lunavo](https://lemstudio.co/yc-companies/lunavo-30865) — **Lunavo** · YC Fall 2025 · B2B, Supply Chain and Logistics · Active · team 2 · yc_id:30865 — Lunavo is the AI assistant for carriers.
- [LUS Brands](https://lemstudio.co/yc-companies/lus-brands-1783) — **LUS Brands** · YC Winter 2018 · Consumer, Apparel and Cosmetics · Active · team 20 · yc_id:1783 — Hair care products for curly hair. 
- [Luthor](https://lemstudio.co/yc-companies/luthor-30057) — **Luthor** · YC Fall 2024 · B2B · Active · team 3 · yc_id:30057 — Real-time governance for enterprise communications
- [lvl5](https://lemstudio.co/yc-companies/lvl5-1452) — **lvl5** · YC Winter 2017 · Industrials, Automotive · Acquired · team 6 · yc_id:1452 — HD maps for self-driving cars.
- [LVL6](https://lemstudio.co/yc-companies/lvl6-45) — **LVL6** · YC Winter 2012 · Consumer, Gaming · Inactive · team 2 · yc_id:45 — We make mobile MMOs. 
- [Lygg](https://lemstudio.co/yc-companies/lygg-22659) — **Lygg** · YC Winter 2021 · Consumer, Apparel and Cosmetics · Active · team 1 · yc_id:22659 — Building New Anti-Aging Ingredients for Skincare
- [Lygos](https://lemstudio.co/yc-companies/lygos-1097) — **Lygos** · YC Winter 2016 · Healthcare, Industrial Bio · Active · team 55 · yc_id:1097 — Lygos (W16) built and commercialized sustainable, high-performance…
- [Lynks](https://lemstudio.co/yc-companies/lynks-1049) — **Lynks** · YC Winter 2016 · Consumer, Apparel and Cosmetics · Active · team 40 · yc_id:1049 — Lynks is an e-commerce company that makes high demand products…
- [Lynx](https://lemstudio.co/yc-companies/lynx-27713) — **Lynx** · YC Winter 2023 · B2B, Engineering, Product and Design · Inactive · team 5 · yc_id:27713 — AI platform for investigating and resolving engineering incidents
- [Lyon](https://lemstudio.co/yc-companies/lyon-32191) — **Lyon** · YC Fall 2026 · B2B, Analytics · Active · team 2 · yc_id:32191 — Foundation models on enterprise transaction data.
- [Lyra](https://lemstudio.co/yc-companies/lyra-26753) — **Lyra** · YC Summer 2022 · Consumer · Active · team 3 · yc_id:26753 — Spend crypto anywhere online
- [Lyrebird](https://lemstudio.co/yc-companies/lyrebird-1689) — **Lyrebird** · YC Summer 2017 · B2B, Engineering, Product and Design · Acquired · team 13 · yc_id:1689 — Our tech speaks for itself.
- [Lysto](https://lemstudio.co/yc-companies/lysto-28894) — **Lysto** · YC Summer 2023 · B2B, Sales · Inactive · team 2 · yc_id:28894 — Revenue intelligence platforms for startups
- [Mable](https://lemstudio.co/yc-companies/mable-24369) — **Mable** · YC Summer 2021 · Healthcare, Medical Devices · Acquired · team 7 · yc_id:24369 — First personalized migraine clinic using genetics and telehealth.
- [Macadamia](https://lemstudio.co/yc-companies/macadamia-30260) — **Macadamia** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30260 — AI Agents for Complex Engineering Projects
- [Mach9](https://lemstudio.co/yc-companies/mach9-24551) — **Mach9** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 25 · yc_id:24551 — AI CAD Software for Civil Engineering
- [Machine Zone](https://lemstudio.co/yc-companies/machine-zone-307) — **Machine Zone** · YC Winter 2008 · Consumer, Gaming · Acquired · team 501 · yc_id:307 — Pioneers of mobile social gaming.
- [machine0](https://lemstudio.co/yc-companies/machine0-32527) — **machine0** · YC Summer 2026 · B2B, Infrastructure · Active · team 1 · yc_id:32527 — AWS for Agents
- [Machine26](https://lemstudio.co/yc-companies/machine26-23327) — **Machine26** · YC Winter 2021 · Real Estate and Construction, Construction · Active · team 12 · yc_id:23327 — Marketplace for construction machines
- [Macromoltek](https://lemstudio.co/yc-companies/macromoltek-1760) — **Macromoltek** · YC Winter 2018 · Healthcare, Drug Discovery and Delivery · Active · team 14 · yc_id:1760 — Computational antibody design
- [MadEats](https://lemstudio.co/yc-companies/madeats-24136) — **MadEats** · YC Summer 2021 · Consumer, Food and Beverage · Acquired · yc_id:24136 — Online delivery-only restaurant group in the Philippines
- [Maderight](https://lemstudio.co/yc-companies/maderight-947) — **Maderight** · YC Summer 2015 · B2B, Supply Chain and Logistics · Inactive · team 51 · yc_id:947 — Global Manufacturing, Simplified
- [MadeSolid](https://lemstudio.co/yc-companies/madesolid-601) — **MadeSolid** · YC Winter 2014 · Industrials, Manufacturing and Robotics · Inactive · team 2 · yc_id:601 — Functional 3D printing materials.
- [MadeThis](https://lemstudio.co/yc-companies/madethis-30975) — **MadeThis** · YC Fall 2025 · B2B, Operations · Active · team 3 · yc_id:30975 — The autonomous business platform
- [Madrone](https://lemstudio.co/yc-companies/madrone-31399) — **Madrone** · YC Spring 2026 · Industrials, Energy · Active · team 2 · yc_id:31399 — Hyper-efficient coolers for data centers
- [Mage](https://lemstudio.co/yc-companies/mage-12362) — **Mage** · YC Winter 2019 · Consumer, Travel, Leisure and Tourism · Inactive · team 3 · yc_id:12362 — The safest way to buy and sell collectibles 
- [Mage Legal](https://lemstudio.co/yc-companies/mage-legal-29760) — **Mage Legal** · YC Summer 2024 · B2B, Legal · Active · team 2 · yc_id:29760 — Automatic AI Legal Diligence
- [Magic](https://lemstudio.co/yc-companies/magic-751) — **Magic** · YC Winter 2015 · B2B · Active · team 350 · yc_id:751 — Extremely talented assistants for busy people
- [Magic](https://lemstudio.co/yc-companies/magic-26658) — **Magic** · YC Summer 2022 · Fintech, Payments · Inactive · team 10 · yc_id:26658 — Pay by Bank Platform
- [Magic Hour](https://lemstudio.co/yc-companies/magic-hour-29461) — **Magic Hour** · YC Winter 2024 · Consumer, Content · Active · team 2 · yc_id:29461 — AI media creation platform for creators and developers
- [Magic Instruments](https://lemstudio.co/yc-companies/magic-instruments-980) — **Magic Instruments** · YC Winter 2016 · Consumer, Consumer Electronics · Inactive · team 2 · yc_id:980 — Magic Instruments makes a high-tech guitar that is easier and more…
- [Magic Loops](https://lemstudio.co/yc-companies/magic-loops-28795) — **Magic Loops** · YC Summer 2023 · B2B · Active · team 2 · yc_id:28795 — Program computers with natural language
- [Magic Patterns](https://lemstudio.co/yc-companies/magic-patterns-27691) — **Magic Patterns** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:27691 — Go from idea to production with AI.
- [MagicBell](https://lemstudio.co/yc-companies/magicbell-23613) — **MagicBell** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:23613 — The notification inbox for web/mobile applications.
- [MagicBus](https://lemstudio.co/yc-companies/magicbus-990) — **MagicBus** · YC Winter 2016 · Consumer, Transportation Services · Active · team 18 · yc_id:990 — We make vanpool simple.
- [Magicflow 𐂂](https://lemstudio.co/yc-companies/magicflow-27909) — **Magicflow 𐂂** · YC Winter 2023 · B2B, Infrastructure · Inactive · team 2 · yc_id:27909 — The Gen AI evaluation and curation platform
- [MagiCode](https://lemstudio.co/yc-companies/magicode-29736) — **MagiCode** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29736 — A Reliable AI Frontend Engineer
- [Magma](https://lemstudio.co/yc-companies/magma-33639) — **Magma** · YC Summer 2026 · B2B, Infrastructure · Active · team 1 · yc_id:33639 — Monetize your agent's traces.
- [Magna](https://lemstudio.co/yc-companies/magna-25620) — **Magna** · YC Winter 2022 · Fintech · Acquired · team 18 · yc_id:25620 — Carta for Web3: token vesting and DeFi investment management. 
- [MagnaPlay](https://lemstudio.co/yc-companies/magnaplay-27989) — **MagnaPlay** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:27989 — AI-powered game translation.
- [Magnetic](https://lemstudio.co/yc-companies/magnetic-30776) — **Magnetic** · YC Summer 2025 · B2B, Productivity · Active · team 10 · yc_id:30776 — AI Tax Preparer for CPA firms
- [Magnitude](https://lemstudio.co/yc-companies/magnitude-30660) — **Magnitude** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30660 — Run open models as fast as your hardware allows
- [Mahaana Wealth](https://lemstudio.co/yc-companies/mahaana-wealth-26003) — **Mahaana Wealth** · YC Winter 2022 · Fintech · Active · team 30 · yc_id:26003 — Mahaana is first & only licensed digital wealth manager in Pakistan
- [Maia](https://lemstudio.co/yc-companies/maia-29252) — **Maia** · YC Winter 2024 · Healthcare, Consumer Health and Wellness · Active · team 2 · yc_id:29252 — AI relationship app that keeps couples together
- [Mailgun](https://lemstudio.co/yc-companies/mailgun-162) — **Mailgun** · YC Winter 2011 · B2B, Engineering, Product and Design · Acquired · team 51 · yc_id:162 — Email API service.
- [Mailmodo](https://lemstudio.co/yc-companies/mailmodo-24044) — **Mailmodo** · YC Summer 2021 · B2B, Marketing · Acquired · team 70 · yc_id:24044 — No-code email marketing platform to send forms & widgets within emails
- [MailTime](https://lemstudio.co/yc-companies/mailtime-1028) — **MailTime** · YC Winter 2016 · B2B, Productivity · Active · team 18 · yc_id:1028 — Emails as quick and easy as text messaging.
- [Mailwarm](https://lemstudio.co/yc-companies/mailwarm-22021) — **Mailwarm** · YC Summer 2020 · B2B, Sales · Active · team 10 · yc_id:22021 — Prevents your emails from landing in spam.
- [Maingen](https://lemstudio.co/yc-companies/maingen-32157) — **Maingen** · YC Summer 2026 · Industrials, Energy · Active · team 2 · yc_id:32157 — Simulating Agents Running Industrial Companies
- [Maintouch](https://lemstudio.co/yc-companies/maintouch-28899) — **Maintouch** · YC Summer 2023 · B2B · Active · team 15 · yc_id:28899 — Make more $$$ with SEO and AEO
- [Maitian.ai](https://lemstudio.co/yc-companies/maitian-ai-12041) — **Maitian.ai** · YC Winter 2019 · B2B, Retail · Inactive · team 5 · yc_id:12041 — We make $1,000 Amazon Go stores.
- [Maive](https://lemstudio.co/yc-companies/maive-30229) — **Maive** · YC Winter 2025 · B2B · Active · team 2 · yc_id:30229 — AI for Home Services
- [Makani Science](https://lemstudio.co/yc-companies/makani-science-24466) — **Makani Science** · YC Summer 2021 · Healthcare, Medical Devices · Active · team 2 · yc_id:24466 — Reinventing respiration monitoring
- [Make School](https://lemstudio.co/yc-companies/make-school-33) — **Make School** · YC Winter 2012 · Education · Inactive · team 45 · yc_id:33 — Make School is redesigning college for the 21st century. Students…
- [Makeasite](https://lemstudio.co/yc-companies/makeasite-26708) — **Makeasite** · YC Summer 2022 · Consumer · Active · team 2 · yc_id:26708 — Create sites with just a prompt
- [Makrwatch](https://lemstudio.co/yc-companies/makrwatch-791) — **Makrwatch** · YC Winter 2015 · B2B, Marketing · Active · team 19 · yc_id:791 — Scale new user acquisition with YouTube Creators
- [Malama Health](https://lemstudio.co/yc-companies/malama-health-26809) — **Malama Health** · YC Summer 2022 · Healthcare · Active · team 3 · yc_id:26809 — Doula-led holistic support during and after pregnancy 
- [Malga](https://lemstudio.co/yc-companies/malga-24640) — **Malga** · YC Summer 2021 · Fintech, Payments · Active · team 46 · yc_id:24640 — Malga is an API to accept payments with multiple payment providers
- [malibou](https://lemstudio.co/yc-companies/malibou-29261) — **malibou** · YC Winter 2024 · B2B, Human Resources · Active · team 2 · yc_id:29261 — the first all-in-one payroll and HR software for French SMBs
- [Malloc Inc](https://lemstudio.co/yc-companies/malloc-inc-24382) — **Malloc Inc** · YC Summer 2021 · B2B, Security · Active · team 10 · yc_id:24382 — AI-driven mobile cybersecurity 
- [Manara](https://lemstudio.co/yc-companies/manara-23193) — **Manara** · YC Winter 2021 · B2B, Recruiting and Talent · Active · team 10 · yc_id:23193 — Connecting top Middle East talent to global tech jobs
- [Manatee](https://lemstudio.co/yc-companies/manatee-26899) — **Manatee** · YC Summer 2022 · B2B, Sales · Inactive · team 2 · yc_id:26899 — DocSend for demos.
- [Mandel AI](https://lemstudio.co/yc-companies/mandel-ai-28818) — **Mandel AI** · YC Summer 2023 · B2B, Supply Chain and Logistics · Active · team 9 · yc_id:28818 — AI Coordination Layer for Supply Chain
- [Mango Health](https://lemstudio.co/yc-companies/mango-health-29268) — **Mango Health** · YC Winter 2024 · Healthcare · Inactive · team 2 · yc_id:29268 — AI Therapy for OCD
- [Mango Medical](https://lemstudio.co/yc-companies/mango-medical-31160) — **Mango Medical** · YC Winter 2026 · Healthcare, Healthcare IT · Active · team 3 · yc_id:31160 — Foundation models for planning orthopedic surgery
- [MangoDesk](https://lemstudio.co/yc-companies/mangodesk-30608) — **MangoDesk** · YC Summer 2025 · B2B · Active · team 2 · yc_id:30608 — Long-horizon RL environments
- [Manicule](https://lemstudio.co/yc-companies/manicule-31531) — **Manicule** · YC Spring 2026 · B2B, Marketing · Active · team 7 · yc_id:31531 — AgentRel — Devrel For Agents
- [Manifold](https://lemstudio.co/yc-companies/manifold-32260) — **Manifold** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:32260 — Drop-in robotic labor that works on Day 1
- [Manifold Freight](https://lemstudio.co/yc-companies/manifold-freight-29397) — **Manifold Freight** · YC Winter 2024 · B2B, Supply Chain and Logistics · Active · team 5 · yc_id:29397 — Aggregating Spot Freight Opportunities for Carriers
- [Mantis](https://lemstudio.co/yc-companies/mantis-31036) — **Mantis** · YC Winter 2026 · B2B, Infrastructure · Active · team 3 · yc_id:31036 — Digital Twins of humans
- [Mantle](https://lemstudio.co/yc-companies/mantle-38492) — **Mantle** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:38492 — The pit crew for machines and robots.
- [MantleBio](https://lemstudio.co/yc-companies/mantlebio-28967) — **MantleBio** · YC Summer 2023 · B2B · Inactive · team 7 · yc_id:28967 — Transform scientific data into discoveries
- [Mantys](https://lemstudio.co/yc-companies/mantys-28006) — **Mantys** · YC Winter 2023 · B2B, Operations · Active · team 10 · yc_id:28006 — AI agents for healthcare and insurance operations in GCC
- [Manufact](https://lemstudio.co/yc-companies/manufact-30710) — **Manufact** · YC Summer 2025 · B2B, Infrastructure · Active · team 5 · yc_id:30710 — Cloud infrastructure for MCP servers and Claude / ChatGPT plugins.
- [Maple Materials](https://lemstudio.co/yc-companies/maple-materials-12096) — **Maple Materials** · YC Winter 2019 · Industrials, Climate · Active · team 6 · yc_id:12096 — We turn CO2 into battery-grade graphite and oxygen.
- [Maquoketa Research](https://lemstudio.co/yc-companies/maquoketa-research-31561) — **Maquoketa Research** · YC Spring 2026 · B2B · Active · team 5 · yc_id:31561 — Automated LiveOps for Game Studios
- [Marathon Education](https://lemstudio.co/yc-companies/marathon-education-25996) — **Marathon Education** · YC Winter 2022 · Education · Inactive · team 20 · yc_id:25996 — We provide live after-school tutoring to K-12 students in Vietnam
- [Marble](https://lemstudio.co/yc-companies/marble-32223) — **Marble** · YC Summer 2026 · B2B · Active · team 2 · yc_id:32223 — The autonomous back-of-house for restaurants.
- [Marblism](https://lemstudio.co/yc-companies/marblism-29456) — **Marblism** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:29456 — AI Employees who love overtime
- [MarcoPolo](https://lemstudio.co/yc-companies/marcopolo-22948) — **MarcoPolo** · YC Winter 2021 · B2B, Operations · Inactive · yc_id:22948 — Alibaba for Latin America
- [Marengo](https://lemstudio.co/yc-companies/marengo-32981) — **Marengo** · YC Summer 2026 · Industrials, Energy · Active · team 2 · yc_id:32981 — AI-Native Engineering Firm designing Data Centers 
- [Marft](https://lemstudio.co/yc-companies/marft-26) — **Marft** · YC Winter 2012 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:26 — Marft creates embeddable machine learning models for application…
- [Margin](https://lemstudio.co/yc-companies/margin-28883) — **Margin** · YC Summer 2023 · B2B, Retail · Active · team 10 · yc_id:28883 — POS & operating system that makes liquor stores more money
- [Maritime](https://lemstudio.co/yc-companies/maritime-38061) — **Maritime** · YC Fall 2026 · B2B, Infrastructure · Active · team 3 · yc_id:38061 — The managed cloud for AI agents.
- [Maritime Fusion](https://lemstudio.co/yc-companies/maritime-fusion-30224) — **Maritime Fusion** · YC Winter 2025 · Industrials, Energy · Active · team 6 · yc_id:30224 — Fusion reactors for ships
- [Mark Cuban Cost Plus Drug Company, PBC](https://lemstudio.co/yc-companies/mark-cuban-cost-plus-drug-company-pbc-2020) — **Mark Cuban Cost Plus Drug Company, PBC** · YC Summer 2018 · Healthcare, Consumer Health and Wellness · Active · yc_id:2020 — Making low cost versions of high cost generic drugs.
- [Markaz Technologies](https://lemstudio.co/yc-companies/markaz-technologies-25671) — **Markaz Technologies** · YC Winter 2022 · Consumer · Active · team 55 · yc_id:25671 — Reselling marketplace for social media entrepreneurs in Pakistan
- [Marker](https://lemstudio.co/yc-companies/marker-31352) — **Marker** · YC Summer 2026 · B2B, Productivity · Active · team 3 · yc_id:31352 — Platform + FDEs that rebuild enterprises agent-first
- [MarketBrief](https://lemstudio.co/yc-companies/marketbrief-100) — **MarketBrief** · YC Summer 2011 · Fintech, Consumer Finance · Inactive · team 2 · yc_id:100 — Generate stories from SEC filings.
- [marketfeed](https://lemstudio.co/yc-companies/marketfeed-23885) — **marketfeed** · YC Summer 2021 · Fintech, Consumer Finance · Active · team 18 · yc_id:23885 — Helping Indians make better financial decisions.
- [MarketForce](https://lemstudio.co/yc-companies/marketforce-21916) — **MarketForce** · YC Summer 2020 · B2B, Retail · Active · team 400 · yc_id:21916 — The SuperApp for neighbourhood merchants in Africa. 
- [Marketfox](https://lemstudio.co/yc-companies/marketfox-1533) — **Marketfox** · YC Winter 2017 · B2B, Marketing · Inactive · team 2 · yc_id:1533 — Marketing automation platform optimized for mobile and web. 
- [Markhor](https://lemstudio.co/yc-companies/markhor-921) — **Markhor** · YC Summer 2015 · Consumer, Apparel and Cosmetics · Active · team 5 · yc_id:921 — Markhor is a DTC company that works with craftsmen to make shoes and…
- [MarkIt](https://lemstudio.co/yc-companies/markit-31005) — **MarkIt** · YC Fall 2025 · B2B, Operations · Active · team 4 · yc_id:31005 — Compliance that makes products ready for global markets.
- [Markov](https://lemstudio.co/yc-companies/markov-32988) — **Markov** · YC Summer 2026 · B2B, Infrastructure · Active · team 2 · yc_id:32988 — Expert computer-use data for frontier AI labs
- [Markupwand](https://lemstudio.co/yc-companies/markupwand-420) — **Markupwand** · YC Summer 2012 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:420 — Convert Design files to working websites automagically
- [Maroo](https://lemstudio.co/yc-companies/maroo-24176) — **Maroo** · YC Summer 2021 · B2B, Finance and Accounting · Acquired · team 5 · yc_id:24176 — CRM for creatives (acquired by Helium Ventures)
- [MarqVision](https://lemstudio.co/yc-companies/marqvision-23451) — **MarqVision** · YC Summer 2021 · B2B · Active · team 200 · yc_id:23451 — IP operating software for brands and content companies
- [Marr Labs](https://lemstudio.co/yc-companies/marr-labs-29522) — **Marr Labs** · YC Winter 2024 · B2B · Active · team 9 · yc_id:29522 — AI-voice agents that are indistinguishable from humans.
- [Mars Auto](https://lemstudio.co/yc-companies/mars-auto-12267) — **Mars Auto** · YC Winter 2019 · Industrials, Automotive · Active · team 15 · yc_id:12267 — Autonomous trucks to fully automate long-haul freight shipping
- [Martini](https://lemstudio.co/yc-companies/martini-31306) — **Martini** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31306 — AI Video Production for Professionals
- [Mashgin](https://lemstudio.co/yc-companies/mashgin-856) — **Mashgin** · YC Winter 2015 · B2B, Retail · Active · team 150 · yc_id:856 — Self-Checkout using Computer Vision.
- [Mason](https://lemstudio.co/yc-companies/mason-991) — **Mason** · YC Winter 2016 · B2B · Active · team 65 · yc_id:991 — Mason is the fastest way to take smart devices from idea to end user
- [Mass Magnetics](https://lemstudio.co/yc-companies/mass-magnetics-32128) — **Mass Magnetics** · YC Summer 2026 · Industrials, Defense · Active · team 3 · yc_id:32128 — USA-made magnetics for robotics and defense. 
- [Massdriver](https://lemstudio.co/yc-companies/massdriver-26303) — **Massdriver** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:26303 — Internal developer platform for Terraform, OpenTofu and Helm
- [Masterpiece](https://lemstudio.co/yc-companies/masterpiece-31451) — **Masterpiece** · YC Spring 2026 · Fintech, Credit and Lending · Active · team 3 · yc_id:31451 — Working capital for data companies training frontier AI
- [Mastra](https://lemstudio.co/yc-companies/mastra-30304) — **Mastra** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 30 · yc_id:30304 — The Javascript framework for building AI agents, from the Gatsby devs
- [matagora](https://lemstudio.co/yc-companies/matagora-12527) — **matagora** · YC Summer 2019 · B2B, Retail · Active · team 5 · yc_id:12527 — Empowering local retailers with tech that works for them.
- [Matano](https://lemstudio.co/yc-companies/matano-27677) — **Matano** · YC Winter 2023 · B2B, Security · Active · team 2 · yc_id:27677 — Cloud Native SIEM (alternative to Splunk/Elastic)
- [Matcha](https://lemstudio.co/yc-companies/matcha-30048) — **Matcha** · YC Fall 2024 · Healthcare · Active · team 2 · yc_id:30048 — The best way to hire clinical talent.
- [Materee](https://lemstudio.co/yc-companies/materee-27268) — **Materee** · YC Summer 2022 · B2B · Active · team 20 · yc_id:27268 — E-commerce platform for construction materials in Indonesia
- [Material Depot](https://lemstudio.co/yc-companies/material-depot-25810) — **Material Depot** · YC Winter 2022 · Real Estate and Construction · Active · team 50 · yc_id:25810 — India's Fastest Growing Home Decor destination for Floor & Wall Decor
- [Mathos](https://lemstudio.co/yc-companies/mathos-29506) — **Mathos** · YC Winter 2024 · Education · Active · team 5 · yc_id:29506 — Ultimate AI Math Problem Solver to Revolutionize Personalized Learning
- [Matidor.com](https://lemstudio.co/yc-companies/matidor-com-24330) — **Matidor.com** · YC Summer 2021 · B2B, Productivity · Active · team 6 · yc_id:24330 — Project management on a live map
- [Matrubials](https://lemstudio.co/yc-companies/matrubials-24528) — **Matrubials** · YC Summer 2021 · Healthcare, Drug Discovery and Delivery · Active · team 4 · yc_id:24528 — Developing milk-inspired therapeutics for infectious diseases
- [Matter](https://lemstudio.co/yc-companies/matter-22327) — **Matter** · YC Summer 2020 · Consumer, Content · Active · team 7 · yc_id:22327 — Building the future of reading
- [Mattermark](https://lemstudio.co/yc-companies/mattermark-441) — **Mattermark** · YC Summer 2012 · B2B, Sales · Acquired · team 11 · yc_id:441 — Big Data Meets Startup Investing

The best tool for tracking and…
- [Mattermost](https://lemstudio.co/yc-companies/mattermost-407) — **Mattermost** · YC Summer 2012 · B2B, Productivity · Active · team 120 · yc_id:407 — Secure Collaboration for Technical Teams
- [Matterport](https://lemstudio.co/yc-companies/matterport-30) — **Matterport** · YC Winter 2012 · Consumer, Virtual and Augmented Reality · Public · team 201 · yc_id:30 — Turn physical objects and environments into 3D models in seconds.
- [Maven](https://lemstudio.co/yc-companies/maven-31253) — **Maven** · YC Winter 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31253 — Payments Infrastructure for Conversational Agents
- [Maven Bio](https://lemstudio.co/yc-companies/maven-bio-28923) — **Maven Bio** · YC Summer 2023 · B2B · Active · team 10 · yc_id:28923 — Live intelligence for biopharma teams.
- [MaverickX](https://lemstudio.co/yc-companies/maverickx-26807) — **MaverickX** · YC Summer 2022 · Industrials, Energy · Active · team 30 · yc_id:26807 — Engineering the future of chemistry for natural resource extraction
- [Maxi](https://lemstudio.co/yc-companies/maxi-28089) — **Maxi** · YC Winter 2023 · Fintech, Consumer Finance · Active · team 2 · yc_id:28089 — AI Agent for your personal finances
- [Maximal](https://lemstudio.co/yc-companies/maximal-30731) — **Maximal** · YC Summer 2025 · B2B, Supply Chain and Logistics · Active · team 3 · yc_id:30731 — Truckload Planning at Machine Precision
- [May Mobility](https://lemstudio.co/yc-companies/may-mobility-1680) — **May Mobility** · YC Summer 2017 · Industrials, Automotive · Active · team 260 · yc_id:1680 — Transforming cities and rural areas through AV transit and technology
- [Maya Labs](https://lemstudio.co/yc-companies/maya-labs-26902) — **Maya Labs** · YC Summer 2022 · B2B, Productivity · Active · team 5 · yc_id:26902 — Building self-programming machines
- [Mayan](https://lemstudio.co/yc-companies/mayan-23541) — **Mayan** · YC Winter 2021 · B2B, Operations · Active · team 14 · yc_id:23541 — A growth automation platform for Amazon sellers
- [Mayflower](https://lemstudio.co/yc-companies/mayflower-31020) — **Mayflower** · YC Fall 2025 · Government · Active · team 2 · yc_id:31020 — AI plug-in that automates HR immigration screening and compliance
- [Mayhem](https://lemstudio.co/yc-companies/mayhem-1726) — **Mayhem** · YC Winter 2018 · Consumer, Gaming · Acquired · team 10 · yc_id:1726 — Mayhem is the easiest way to play with your gaming community.
- [Maywood](https://lemstudio.co/yc-companies/maywood-31188) — **Maywood** · YC Winter 2026 · Fintech, Banking and Exchange · Active · team 5 · yc_id:31188 — The first finance-compliant proactive AI that runs 24/7
- [Mbodi AI](https://lemstudio.co/yc-companies/mbodi-ai-30445) — **Mbodi AI** · YC Spring 2025 · Industrials, Manufacturing and Robotics · Active · team 6 · yc_id:30445 — Industrial Robots that Learn and Operate Like Humans
- [MBX](https://lemstudio.co/yc-companies/mbx-603) — **MBX** · YC Winter 2014 · Consumer, Apparel and Cosmetics · Active · team 150 · yc_id:603 — A global multi-brand beauty and personal care startup.
- [MDalgorithms Inc.](https://lemstudio.co/yc-companies/mdalgorithms-inc-1461) — **MDalgorithms Inc.** · YC Winter 2017 · Healthcare, Consumer Health and Wellness · Active · team 40 · yc_id:1461 — Democratizing Dermatology with AI 
- [mdhub](https://lemstudio.co/yc-companies/mdhub-29611) — **mdhub** · YC Summer 2024 · Healthcare · Active · team 25 · yc_id:29611 — AI-native operating system for behavioral health clinics.
- [Meadow](https://lemstudio.co/yc-companies/meadow-817) — **Meadow** · YC Winter 2015 · B2B, Retail · Active · team 14 · yc_id:817 — Point of Sale and Compliance SaaS for Cannabis Dispensaries
- [Measured](https://lemstudio.co/yc-companies/measured-22885) — **Measured** · YC Winter 2021 · Healthcare, Consumer Health and Wellness · Active · team 12 · yc_id:22885 — Telemedicine platform for chronic conditions like obesity
- [Mecha Health](https://lemstudio.co/yc-companies/mecha-health-30251) — **Mecha Health** · YC Winter 2025 · Healthcare · Active · team 4 · yc_id:30251 — Foundation models to automate x-ray analysis for radiologists
- [Mecho Autotech](https://lemstudio.co/yc-companies/mecho-autotech-24915) — **Mecho Autotech** · YC Summer 2021 · Industrials, Automotive · Active · team 35 · yc_id:24915 — On-demand  auto maintenance & repairs
- [MedCrypt](https://lemstudio.co/yc-companies/medcrypt-11977) — **MedCrypt** · YC Winter 2019 · Healthcare, Healthcare IT · Active · team 16 · yc_id:11977 — MedCrypt gives medical device vendors cybersecurity features in a few…
- [Mederva](https://lemstudio.co/yc-companies/mederva-25152) — **Mederva** · YC Winter 2022 · Healthcare · Active · team 13 · yc_id:25152 — Longevity for the 99%.
- [Medicare Vox (fka Fair Square)](https://lemstudio.co/yc-companies/medicare-vox-fka-fair-square-13215) — **Medicare Vox (fka Fair Square)** · YC Winter 2020 · Healthcare, Consumer Health and Wellness · Active · team 20 · yc_id:13215 — Building an AI Health Insurance Agent.
- [Medigram](https://lemstudio.co/yc-companies/medigram-16) — **Medigram** · YC Winter 2012 · Healthcare, Healthcare IT · Active · team 11 · yc_id:16 — We are making a HIPAA-compliant, Groupme app for doctors to…
- [Medinas Health](https://lemstudio.co/yc-companies/medinas-health-1926) — **Medinas Health** · YC Summer 2018 · Healthcare, Healthcare Services · Inactive · team 15 · yc_id:1926 — Medinas helps hospitals manage their inventory and buy and sell their…
- [Medisas](https://lemstudio.co/yc-companies/medisas-487) — **Medisas** · YC Winter 2013 · Healthcare, Healthcare IT · Inactive · team 11 · yc_id:487 — Medisas builds workflow & collaboration software for hospitals.
- [MediSearch](https://lemstudio.co/yc-companies/medisearch-28928) — **MediSearch** · YC Summer 2023 · Healthcare, Consumer Health and Wellness · Active · team 6 · yc_id:28928 — Search engine for trustworthy medical information.
- [Medium Biosciences](https://lemstudio.co/yc-companies/medium-biosciences-24820) — **Medium Biosciences** · YC Summer 2021 · Healthcare, Diagnostics · Active · team 6 · yc_id:24820 — AI-designed Affinity Reagents
- [MedMe Health](https://lemstudio.co/yc-companies/medme-health-22663) — **MedMe Health** · YC Winter 2021 · Healthcare, Healthcare IT · Active · team 60 · yc_id:22663 — Software for pharmacies to move beyond dispensing
- [Medmonk](https://lemstudio.co/yc-companies/medmonk-62) — **Medmonk** · YC Winter 2012 · Healthcare, Healthcare Services · Active · team 2 · yc_id:62 — A tool for pharmacists to find funding for patients who are unable to…
- [Mednet](https://lemstudio.co/yc-companies/mednet-1496) — **Mednet** · YC Winter 2017 · Healthcare, Healthcare IT · Active · team 35 · yc_id:1496 — Mednet helps doctors answer their toughest clinical questions —…
- [MedPiper Technologies, Inc](https://lemstudio.co/yc-companies/medpiper-technologies-inc-22196) — **MedPiper Technologies, Inc** · YC Summer 2020 · Fintech, Insurance · Active · team 55 · yc_id:22196 — Instant cash payouts for delayed flights
- [Medplum](https://lemstudio.co/yc-companies/medplum-26413) — **Medplum** · YC Summer 2022 · Healthcare, Healthcare IT · Active · team 20 · yc_id:26413 — API first electronic health record (EHR) that is open source
- [Medumo](https://lemstudio.co/yc-companies/medumo-1843) — **Medumo** · YC Winter 2018 · Healthcare, Healthcare IT · Acquired · team 12 · yc_id:1843 — We manage patient instructions for hospitals
- [MedXT](https://lemstudio.co/yc-companies/medxt-499) — **MedXT** · YC Winter 2013 · Healthcare, Healthcare IT · Acquired · team 2 · yc_id:499 — Radiology in the cloud.  X-rays, CAT scans, MRI's, and…
- [Meesho](https://lemstudio.co/yc-companies/meesho-1266) — **Meesho** · YC Summer 2016 · B2B, Retail · Public · team 1450 · yc_id:1266 — Democratizing internet commerce for everyone in India
- [MeetAnyway](https://lemstudio.co/yc-companies/meetanyway-23518) — **MeetAnyway** · YC Winter 2021 · B2B, Operations · Inactive · team 3 · yc_id:23518 — We help run engaging online conferences.
- [Meetingbird](https://lemstudio.co/yc-companies/meetingbird-1632) — **Meetingbird** · YC Summer 2017 · B2B, Productivity · Acquired · team 2 · yc_id:1632 — Automated meeting scheduling for teams
- [Meetyu](https://lemstudio.co/yc-companies/meetyu-339) — **Meetyu** · YC Summer 2007 · Consumer, Social · Inactive · yc_id:339
- [Meitre](https://lemstudio.co/yc-companies/meitre-1785) — **Meitre** · YC Winter 2018 · B2B, Retail · Active · team 9 · yc_id:1785 — Opentable for the world's top restaurants; we help them increase…
- [Melder](https://lemstudio.co/yc-companies/melder-30113) — **Melder** · YC Fall 2024 · B2B, Productivity · Active · team 2 · yc_id:30113 — AI formulas and document support for Microsoft Excel
- [Meldium](https://lemstudio.co/yc-companies/meldium-494) — **Meldium** · YC Winter 2013 · B2B, Productivity · Acquired · team 2 · yc_id:494 — Simple password & identity management for teams. Acquired by LogMeIn…
- [Mem0](https://lemstudio.co/yc-companies/mem0-29585) — **Mem0** · YC Summer 2024 · B2B, Infrastructure · Active · team 10 · yc_id:29585 — The Memory layer for AI Agents
- [Memamp](https://lemstudio.co/yc-companies/memamp-377) — **Memamp** · YC Summer 2005 · B2B · Inactive · yc_id:377
- [Memberstack](https://lemstudio.co/yc-companies/memberstack-22022) — **Memberstack** · YC Summer 2020 · Fintech, Payments · Active · team 8 · yc_id:22022 — Build a custom SaaS or membership site with Webflow or Wordpress
- [Membo](https://lemstudio.co/yc-companies/membo-24692) — **Membo** · YC Summer 2021 · Consumer, Food and Beverage · Inactive · team 3 · yc_id:24692 — Groceries fresher than a farmer’s market, delivered to you (EU)
- [Memfault](https://lemstudio.co/yc-companies/memfault-12356) — **Memfault** · YC Winter 2019 · B2B, Analytics · Acquired · team 80 · yc_id:12356 — First IoT reliability platform for debugging, monitoring, OTA updates
- [Memo](https://lemstudio.co/yc-companies/memo-22033) — **Memo** · YC Summer 2020 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:22033 — Memo is modern communication that helps you get your focus back
- [Memoir](https://lemstudio.co/yc-companies/memoir-31335) — **Memoir** · YC Spring 2026 · B2B · Active · team 1 · yc_id:31335 — Everything your team ships, explained to everyone it affects.
- [Memora Health](https://lemstudio.co/yc-companies/memora-health-1840) — **Memora Health** · YC Winter 2018 · Healthcare, Healthcare IT · Acquired · team 115 · yc_id:1840 — Digitize and Automate Complex Care Workflows
- [Memorable](https://lemstudio.co/yc-companies/memorable-36906) — **Memorable** · YC Summer 2027 · B2B, Infrastructure · Active · team 2 · yc_id:36906 — reducing agent reasoning into a graph search problem
- [Memory Store](https://lemstudio.co/yc-companies/memory-store-31482) — **Memory Store** · YC Spring 2026 · B2B, Infrastructure · Active · team 4 · yc_id:31482 — Company Brain.
- [Mendel](https://lemstudio.co/yc-companies/mendel-23240) — **Mendel** · YC Winter 2021 · Fintech, Banking and Exchange · Active · team 5 · yc_id:23240 — Workflows to empower employees to spend while finance stay in control
- [Mendral](https://lemstudio.co/yc-companies/mendral-31210) — **Mendral** · YC Winter 2026 · B2B · Inactive · team 2 · yc_id:31210 — AI DevOps Engineer
- [MentalHappy](https://lemstudio.co/yc-companies/mentalhappy-1977) — **MentalHappy** · YC Summer 2018 · Healthcare, Healthcare IT · Active · team 7 · yc_id:1977 — Group-Therapy Platform for Providers and Health Systems
- [Menten AI](https://lemstudio.co/yc-companies/menten-ai-13616) — **Menten AI** · YC Winter 2020 · Healthcare, Drug Discovery and Delivery · Active · team 2 · yc_id:13616 — Menten AI designs peptide and protein therapeutics using quantum…
- [Mentlio](https://lemstudio.co/yc-companies/mentlio-31495) — **Mentlio** · YC Summer 2026 · B2B · Active · yc_id:31495 — Engineering Intelligence and Token Optimization for the AI-Coding Era
- [Mentorcam](https://lemstudio.co/yc-companies/mentorcam-23818) — **Mentorcam** · YC Summer 2021 · Education · Inactive · team 9 · yc_id:23818 — Mentorship from leaders of the world's best companies
- [Mentra](https://lemstudio.co/yc-companies/mentra-30365) — **Mentra** · YC Winter 2025 · Consumer, Virtual and Augmented Reality · Active · team 12 · yc_id:30365 — Building the open source smart glasses operating system.
- [Mentum](https://lemstudio.co/yc-companies/mentum-24509) — **Mentum** · YC Summer 2021 · B2B, Supply Chain and Logistics · Acquired · team 2 · yc_id:24509 — AI-Powered Assistant for Procurement and Strategic Sourcing
- [Menza](https://lemstudio.co/yc-companies/menza-28879) — **Menza** · YC Winter 2026 · B2B, Analytics · Active · team 3 · yc_id:28879 — The AI data analyst for consumer brands
- [Mercator](https://lemstudio.co/yc-companies/mercator-26669) — **Mercator** · YC Summer 2022 · B2B · Inactive · team 2 · yc_id:26669 — AI-assisted data analytics
- [Mercoa](https://lemstudio.co/yc-companies/mercoa-27740) — **Mercoa** · YC Winter 2023 · Fintech · Active · team 2 · yc_id:27740 — AI Agent for Billpay platforms to pay invoices with virtual cards
- [Mercura](https://lemstudio.co/yc-companies/mercura-30346) — **Mercura** · YC Winter 2025 · B2B, Sales · Active · team 20 · yc_id:30346 — AI Quote and Order Automation for Distributors & Manufacturers
- [Mergent](https://lemstudio.co/yc-companies/mergent-24378) — **Mergent** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:24378 — Incredibly reliable background task queues and cron jobs
- [Meridian Industries](https://lemstudio.co/yc-companies/meridian-industries-12862) — **Meridian Industries** · YC Summer 2019 · B2B, Analytics · Active · team 6 · yc_id:12862 — Index is the modern business intelligence platform
- [Merlin AI](https://lemstudio.co/yc-companies/merlin-ai-29977) — **Merlin AI** · YC Summer 2024 · B2B · Active · team 19 · yc_id:29977 — AI powered ERP for Construction
- [MerryMint](https://lemstudio.co/yc-companies/merrymint-621) — **MerryMint** · YC Winter 2014 · B2B, Office Management · Inactive · team 1 · yc_id:621 — Virtual activities for remote teams
- [Mertado](https://lemstudio.co/yc-companies/mertado-212) — **Mertado** · YC Winter 2010 · B2B, Retail · Acquired · team 1 · yc_id:212
- [Meru Health](https://lemstudio.co/yc-companies/meru-health-1935) — **Meru Health** · YC Summer 2018 · Healthcare, Consumer Health and Wellness · Active · team 55 · yc_id:1935 — An online provider for greater mental health
- [Meru.com](https://lemstudio.co/yc-companies/meru-com-23642) — **Meru.com** · YC Winter 2021 · B2B, Retail · Active · team 70 · yc_id:23642 — The one-stop-shop for auto-parts in Mexico.
- [Mesh](https://lemstudio.co/yc-companies/mesh-21949) — **Mesh** · YC Summer 2020 · B2B, Human Resources · Active · team 50 · yc_id:21949 — Performance management platform that fits the way you work
- [Mesh](https://lemstudio.co/yc-companies/mesh-30292) — **Mesh** · YC Winter 2025 · B2B, Finance and Accounting · Active · team 3 · yc_id:30292 — Eliminating accrual spreadsheets for faster month-end
- [Mesmer](https://lemstudio.co/yc-companies/mesmer-30523) — **Mesmer** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:30523 — The operating system for the 100x Engineering Team
- [Meson](https://lemstudio.co/yc-companies/meson-1799) — **Meson** · YC Winter 2018 · Consumer · Inactive · team 10 · yc_id:1799 — Meson is a stablecoin swap protocol among blockchains and Layer 2s
- [MessageParty](https://lemstudio.co/yc-companies/messageparty-204) — **MessageParty** · YC Summer 2010 · Consumer, Social · Inactive · team 1 · yc_id:204 — Local chat.
- [Meta](https://lemstudio.co/yc-companies/meta-547) — **Meta** · YC Summer 2013 · Consumer, Virtual and Augmented Reality · Inactive · team 11 · yc_id:547 — Augmented reality glasses.
- [Metal](https://lemstudio.co/yc-companies/metal-28183) — **Metal** · YC Winter 2023 · B2B, Finance and Accounting · Active · team 17 · yc_id:28183 — The AI context platform for private capital. Everything your firm…
- [Metal](https://lemstudio.co/yc-companies/metal-28421) — **Metal** · YC Winter 2023 · B2B · Active · team 21 · yc_id:28421 — Metal is an AI-driven operating system for fundraising
- [Metalware](https://lemstudio.co/yc-companies/metalware-28927) — **Metalware** · YC Summer 2023 · B2B, Security · Active · team 4 · yc_id:28927 — Firmware cybersecurity
- [Metamanagement](https://lemstudio.co/yc-companies/metamanagement-21733) — **Metamanagement** · YC Summer 2020 · B2B, Infrastructure · Inactive · team 1 · yc_id:21733 — We help SaaS companies deploy into their customer's environment.
- [Metapacket](https://lemstudio.co/yc-companies/metapacket-1223) — **Metapacket** · YC Summer 2016 · B2B, Security · Inactive · team 2 · yc_id:1223 — Metapacket is the first selective web gateway that stops malware by…
- [Metaplane](https://lemstudio.co/yc-companies/metaplane-13211) — **Metaplane** · YC Winter 2020 · B2B, Engineering, Product and Design · Acquired · team 32 · yc_id:13211 — Data observability for modern data teams
- [Meteor](https://lemstudio.co/yc-companies/meteor-30602) — **Meteor** · YC Summer 2025 · Consumer · Active · team 2 · yc_id:30602 — An AI-Native Browser
- [Meteoric](https://lemstudio.co/yc-companies/meteoric-31249) — **Meteoric** · YC Summer 2026 · Industrials, Climate · Active · team 2 · yc_id:31249 — Drones that clear clouds over solar farms and weaken hurricanes
- [Meter Feeder](https://lemstudio.co/yc-companies/meter-feeder-1016) — **Meter Feeder** · YC Winter 2016 · Fintech, Payments · Active · team 4 · yc_id:1016 — Helping fleets find and pay parking tickets
- [Method](https://lemstudio.co/yc-companies/method-30435) — **Method** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:30435 — Agents that improve
- [Method Financial](https://lemstudio.co/yc-companies/method-financial-12545) — **Method Financial** · YC Summer 2019 · Fintech, Payments · Active · team 50 · yc_id:12545 — Financial connectivity API for consumer liabilities
- [Meticulate](https://lemstudio.co/yc-companies/meticulate-29319) — **Meticulate** · YC Winter 2024 · B2B · Active · team 5 · yc_id:29319 — Making it easy for B2B sales teams to send stellar outbound
- [Meticulous](https://lemstudio.co/yc-companies/meticulous-24508) — **Meticulous** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 15 · yc_id:24508 — Automated e2e screenshot testing without writing or maintaining tests
- [Metis](https://lemstudio.co/yc-companies/metis-30740) — **Metis** · YC Summer 2025 · B2B, Infrastructure · Acquired · team 13 · yc_id:30740 — Infrastructure to build reliable agents
- [Metofico](https://lemstudio.co/yc-companies/metofico-29366) — **Metofico** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29366 — No Code Data Analysis for Life Science Research
- [Metorial](https://lemstudio.co/yc-companies/metorial-30960) — **Metorial** · YC Fall 2025 · B2B · Active · team 4 · yc_id:30960 — Agentic infrastructure to power AI-native companies.
- [Metoro](https://lemstudio.co/yc-companies/metoro-28779) — **Metoro** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:28779 — AI SRE For Teams on Kubernetes
- [Metreecs](https://lemstudio.co/yc-companies/metreecs-30103) — **Metreecs** · YC Fall 2024 · B2B, Retail · Active · team 6 · yc_id:30103 — AI-powered demand forecasting for retail
- [MetricWire](https://lemstudio.co/yc-companies/metricwire-687) — **MetricWire** · YC Summer 2014 · Healthcare, Healthcare IT · Active · team 3 · yc_id:687 — Mobile surveys for researchers
- [Metriport](https://lemstudio.co/yc-companies/metriport-27037) — **Metriport** · YC Summer 2022 · Healthcare, Healthcare IT · Active · team 29 · yc_id:27037 — Healthcare data infrastructure for next generation care delivery.
- [Mezli](https://lemstudio.co/yc-companies/mezli-23437) — **Mezli** · YC Winter 2021 · Consumer, Food and Beverage · Inactive · team 8 · yc_id:23437 — Autonomous restaurants that make great, affordable meals.
- [Mezmo](https://lemstudio.co/yc-companies/mezmo-749) — **Mezmo** · YC Winter 2015 · B2B, Infrastructure · Active · team 172 · yc_id:749 — Observability platform to control all of your log data
- [Mica AI](https://lemstudio.co/yc-companies/mica-ai-29966) — **Mica AI** · YC Summer 2024 · B2B, Infrastructure · Active · team 3 · yc_id:29966 — Turn employees' AI skills into shared company infrastructure
- [Micora](https://lemstudio.co/yc-companies/micora-35224) — **Micora** · YC Fall 2026 · Industrials, Energy · Active · team 4 · yc_id:35224 — Microgrids in a box built anywhere in days
- [Micro Meat](https://lemstudio.co/yc-companies/micro-meat-24185) — **Micro Meat** · YC Summer 2021 · Industrials, Agriculture · Inactive · yc_id:24185 — Technologies for scaling up cultured/clean meat production
- [MicroEval](https://lemstudio.co/yc-companies/microeval-452) — **MicroEval** · YC Summer 2012 · B2B, Human Resources · Inactive · team 2 · yc_id:452 — Changing the way companies review employee performance with…
- [Microhealth](https://lemstudio.co/yc-companies/microhealth-923) — **Microhealth** · YC Summer 2015 · Healthcare, Consumer Health and Wellness · Active · team 25 · yc_id:923 — Rare Disease-Focused Care Delivery and Evidence Generation Platform
- [Microverse](https://lemstudio.co/yc-companies/microverse-12674) — **Microverse** · YC Summer 2019 · Education · Active · team 35 · yc_id:12674 — Training and connecting untapped talent with global opportunities
- [MICSI](https://lemstudio.co/yc-companies/micsi-28859) — **MICSI** · YC Summer 2023 · Healthcare, Diagnostics · Active · team 2 · yc_id:28859 — Higher resolution MRI with faster scan times.
- [Middesk](https://lemstudio.co/yc-companies/middesk-11983) — **Middesk** · YC Winter 2019 · B2B, Operations · Active · team 130 · yc_id:11983 — We make it easier for B2B companies to transact with one another
- [Middleware](https://lemstudio.co/yc-companies/middleware-27666) — **Middleware** · YC Winter 2023 · B2B, Infrastructure · Active · team 40 · yc_id:27666 — AI-based full stack observability platform
- [Miden](https://lemstudio.co/yc-companies/miden-29453) — **Miden** · YC Winter 2024 · Fintech · Active · team 19 · yc_id:29453 — Card issuer processor and banking stack for businesses in Sub-…
- [Midnox](https://lemstudio.co/yc-companies/midnox-12824) — **Midnox** · YC Winter 2012 · Consumer, Content · Acquired · team 2 · yc_id:12824
- [Midplane](https://lemstudio.co/yc-companies/midplane-26756) — **Midplane** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:26756 — The safety layer between AI agents and your database
- [Midrender](https://lemstudio.co/yc-companies/midrender-28930) — **Midrender** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:28930 — Turn product features into launch videos
- [Midship](https://lemstudio.co/yc-companies/midship-29980) — **Midship** · YC Summer 2024 · B2B, Finance and Accounting · Acquired · team 3 · yc_id:29980 — AI for SOX testing
- [Miggos](https://lemstudio.co/yc-companies/miggos-25473) — **Miggos** · YC Winter 2022 · B2B, Supply Chain and Logistics · Active · team 20 · yc_id:25473 — Wholesale marketplace for mom & pop clothing shops in LATAM
- [Mighty Buildings](https://lemstudio.co/yc-companies/mighty-buildings-1754) — **Mighty Buildings** · YC Winter 2018 · Real Estate and Construction, Housing and Real Estate · Inactive · team 200 · yc_id:1754 — 3D printing beautiful, high-quality, and sustainable homes.
- [Mighty Health](https://lemstudio.co/yc-companies/mighty-health-12555) — **Mighty Health** · YC Summer 2019 · Healthcare, Consumer Health and Wellness · Inactive · team 7 · yc_id:12555 — All-in-one health program helping seniors with their daily function
- [MightyQuiz](https://lemstudio.co/yc-companies/mightyquiz-308) — **MightyQuiz** · YC Winter 2008 · Consumer, Gaming · Inactive · team 2 · yc_id:308
- [Milio](https://lemstudio.co/yc-companies/milio-28007) — **Milio** · YC Winter 2023 · Fintech · Active · team 16 · yc_id:28007 — B2B-2C real-time account to account payments
- [Milk Video](https://lemstudio.co/yc-companies/milk-video-23050) — **Milk Video** · YC Winter 2021 · B2B, Marketing · Inactive · team 2 · yc_id:23050 — Create video testimonials with a link
- [MilkRun](https://lemstudio.co/yc-companies/milkrun-22205) — **MilkRun** · YC Summer 2020 · Consumer, Food and Beverage · Inactive · team 38 · yc_id:22205 — Get Food From Farmers, Delivered.
- [Milky Way AI](https://lemstudio.co/yc-companies/milky-way-ai-24383) — **Milky Way AI** · YC Summer 2021 · B2B, Retail · Inactive · team 5 · yc_id:24383 — Mobile app for CPG brands to connect to millions of stores globally
- [Million](https://lemstudio.co/yc-companies/million-29516) — **Million** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:29516 — Tools for agent verification
- [Million Marker](https://lemstudio.co/yc-companies/million-marker-12653) — **Million Marker** · YC Summer 2019 · Healthcare, Consumer Health and Wellness · Active · team 2 · yc_id:12653 — 23andMe for environmental exposures
- [Milliray](https://lemstudio.co/yc-companies/milliray-31144) — **Milliray** · YC Winter 2026 · Industrials, Drones · Active · team 3 · yc_id:31144 — Technology to detect and track small drones
- [Milo](https://lemstudio.co/yc-companies/milo-12638) — **Milo** · YC Winter 2020 · Consumer, Home and Personal · Inactive · team 4 · yc_id:12638 — The Family AI - a copilot for parents to tackle the invisible load of…
- [Mimir](https://lemstudio.co/yc-companies/mimir-953) — **Mimir** · YC Summer 2015 · Education · Acquired · team 8 · yc_id:953 — A platform for STEM courses featuring automated grading, plagiarism…
- [Mimos](https://lemstudio.co/yc-companies/mimos-30701) — **Mimos** · YC Summer 2025 · B2B · Active · team 2 · yc_id:30701 — The growth OS for plaintiff-side law firms
- [Mind Emulation Foundation](https://lemstudio.co/yc-companies/mind-emulation-foundation-1865) — **Mind Emulation Foundation** · YC Winter 2018 · Healthcare, Therapeutics · Active · team 1 · yc_id:1865
- [Mindbase](https://lemstudio.co/yc-companies/mindbase-26307) — **Mindbase** · YC Winter 2022 · B2B, Marketing · Active · team 7 · yc_id:26307 — Build AI influencers that autonomously create content, engage fans…
- [Minded](https://lemstudio.co/yc-companies/minded-29081) — **Minded** · YC Summer 2023 · B2B · Active · team 2 · yc_id:29081 — Cursor for AI Agents
- [Mindee](https://lemstudio.co/yc-companies/mindee-22855) — **Mindee** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 60 · yc_id:22855 — AI Document Understanding API
- [MindFi](https://lemstudio.co/yc-companies/mindfi-24346) — **MindFi** · YC Summer 2021 · B2B, Human Resources · Active · team 25 · yc_id:24346 — Transforming Mental Health for Corporate Asia
- [MindFort](https://lemstudio.co/yc-companies/mindfort-30527) — **MindFort** · YC Spring 2025 · B2B, Security · Active · team 6 · yc_id:30527 — Autonomous Security Agents
- [Mindmesh](https://lemstudio.co/yc-companies/mindmesh-24779) — **Mindmesh** · YC Summer 2021 · B2B, Productivity · Inactive · team 7 · yc_id:24779 — Mindmesh is the virtual desk that puts you in control. 
- [Mindori](https://lemstudio.co/yc-companies/mindori-1180) — **Mindori** · YC Summer 2016 · B2B, Retail · Inactive · team 1 · yc_id:1180 — Mindori builds white-label voice search for e-commerce apps.
- [MindPortal](https://lemstudio.co/yc-companies/mindportal-23521) — **MindPortal** · YC Winter 2021 · Consumer, Consumer Electronics · Inactive · team 10 · yc_id:23521 — Thought-to-Language AI Models
- [MindsDB](https://lemstudio.co/yc-companies/mindsdb-13098) — **MindsDB** · YC Winter 2020 · B2B, Infrastructure · Active · team 41 · yc_id:13098 — Connect, Unify, Respond to any data, anywhere with human-level…
- [Mindset Health](https://lemstudio.co/yc-companies/mindset-health-12619) — **Mindset Health** · YC Summer 2019 · Healthcare, Medical Devices · Active · team 35 · yc_id:12619 — Building AI therapeutics for physical health conditions like IBS.
- [Mindstate Design Labs](https://lemstudio.co/yc-companies/mindstate-design-labs-23951) — **Mindstate Design Labs** · YC Summer 2021 · Healthcare, Drug Discovery and Delivery · Active · team 7 · yc_id:23951 — Programmable biology company for psychoactive effect design
- [Mine](https://lemstudio.co/yc-companies/mine-24461) — **Mine** · YC Summer 2021 · Fintech, Consumer Finance · Inactive · team 18 · yc_id:24461 — The AI personal finance company. 
- [Mineflow](https://lemstudio.co/yc-companies/mineflow-29774) — **Mineflow** · YC Summer 2024 · Industrials · Active · team 2 · yc_id:29774 — Mineflow predicts the shape and location of mineral deposits
- [Minefold](https://lemstudio.co/yc-companies/minefold-27) — **Minefold** · YC Winter 2012 · B2B, Infrastructure · Inactive · team 2 · yc_id:27 — Simple multiplayer game servers.
- [MineralSoft](https://lemstudio.co/yc-companies/mineralsoft-1017) — **MineralSoft** · YC Winter 2016 · Industrials, Energy · Acquired · team 35 · yc_id:1017 — Data management platform for oil & gas assets
- [Minerva](https://lemstudio.co/yc-companies/minerva-30419) — **Minerva** · YC Spring 2025 · B2B, Finance and Accounting · Active · team 5 · yc_id:30419 — AI native financial institution
- [Mini Exhibitions](https://lemstudio.co/yc-companies/mini-exhibitions-13241) — **Mini Exhibitions** · YC Winter 2020 · B2B, Recruiting and Talent · Inactive · team 2 · yc_id:13241 — Virtual events for remote teams
- [Minicor](https://lemstudio.co/yc-companies/minicor-31453) — **Minicor** · YC Spring 2026 · B2B, Infrastructure · Active · team 8 · yc_id:31453 — Scalable windows desktop automations
- [Miniloop](https://lemstudio.co/yc-companies/miniloop-24395) — **Miniloop** · YC Summer 2021 · B2B · Active · team 2 · yc_id:24395 — AI workflow engine for reliable systems
- [Minimal AI](https://lemstudio.co/yc-companies/minimal-ai-30725) — **Minimal AI** · YC Summer 2025 · B2B · Active · team 3 · yc_id:30725 — AI Agents for E-commerce Customer Support
- [Minimum](https://lemstudio.co/yc-companies/minimum-22062) — **Minimum** · YC Summer 2020 · Industrials, Climate · Active · yc_id:22062 — Helping corporates achieve Net Zero through tech solutions. 
- [Miniswap](https://lemstudio.co/yc-companies/miniswap-30978) — **Miniswap** · YC Fall 2025 · Consumer, Gaming · Active · team 2 · yc_id:30978 — The Marketplace for Complex Hobbies
- [Mino Games](https://lemstudio.co/yc-companies/mino-games-164) — **Mino Games** · YC Winter 2011 · Consumer, Gaming · Active · team 11 · yc_id:164 — Mobile games company
- [Minro](https://lemstudio.co/yc-companies/minro-30874) — **Minro** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30874 — Identify churn risk and stay close to users at scale
- [Mintlify](https://lemstudio.co/yc-companies/mintlify-25643) — **Mintlify** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 75 · yc_id:25643 — The intelligent knowledge platform
- [MinusX](https://lemstudio.co/yc-companies/minusx-29687) — **MinusX** · YC Summer 2024 · B2B, Analytics · Active · team 2 · yc_id:29687 — Open source agentic BI for founders
- [Mio](https://lemstudio.co/yc-companies/mio-997) — **Mio** · YC Winter 2016 · B2B, Engineering, Product and Design · Active · team 12 · yc_id:997 — Mio powers seamless communication between workplace chat apps.
- [Mipos.dev](https://lemstudio.co/yc-companies/mipos-dev-12849) — **Mipos.dev** · YC Summer 2019 · B2B, Retail · Inactive · yc_id:12849 — Api that let you connect all the restaurant tech services in Latam 
- [Mirabelle](https://lemstudio.co/yc-companies/mirabelle-31091) — **Mirabelle** · YC Winter 2026 · Consumer, Consumer Electronics · Active · team 2 · yc_id:31091 — Your robot chef
- [Miracle](https://lemstudio.co/yc-companies/miracle-27671) — **Miracle** · YC Winter 2023 · Healthcare, Drug Discovery and Delivery · Active · team 7 · yc_id:27671 — Accelerate clinical trials with real-time, actionable insights
- [Mireye](https://lemstudio.co/yc-companies/mireye-33052) — **Mireye** · YC Summer 2026 · B2B, Infrastructure · Active · team 2 · yc_id:33052 — Search Engine for the Physical World
- [Mirror AI](https://lemstudio.co/yc-companies/mirror-ai-1557) — **Mirror AI** · YC Winter 2017 · Consumer, Social · Active · team 7 · yc_id:1557 — App that turns selfie photos into thousand emoji that look like you…
- [Mirrors](https://lemstudio.co/yc-companies/mirrors-35258) — **Mirrors** · YC Fall 2026 · B2B, Infrastructure · Active · team 2 · yc_id:35258 — Fix your AI agent's errors at runtime, so they never happen twice
- [miru](https://lemstudio.co/yc-companies/miru-1804) — **miru** · YC Winter 2018 · B2B, Engineering, Product and Design · Inactive · team 1 · yc_id:1804 — Experience any piece of furniture in AR
- [Miru](https://lemstudio.co/yc-companies/miru-29569) — **Miru** · YC Summer 2024 · B2B, Infrastructure · Active · team 3 · yc_id:29569 — Config Management for Robotics
- [Miso](https://lemstudio.co/yc-companies/miso-1271) — **Miso** · YC Summer 2016 · Consumer, Home and Personal · Active · team 300 · yc_id:1271 — We make booking services as easy as buying products online.
- [Miso Labs](https://lemstudio.co/yc-companies/miso-labs-30723) — **Miso Labs** · YC Spring 2026 · B2B, Infrastructure · Active · team 3 · yc_id:30723 — Emotive foundation voice models
- [Misprint](https://lemstudio.co/yc-companies/misprint-30302) — **Misprint** · YC Winter 2025 · Consumer · Active · team 4 · yc_id:30302 — Misprint is building Robinhood for Pokemon cards
- [Mistle](https://lemstudio.co/yc-companies/mistle-26851) — **Mistle** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:26851 — Open source background agents
- [Mito](https://lemstudio.co/yc-companies/mito-22126) — **Mito** · YC Summer 2020 · B2B, Analytics · Active · team 3 · yc_id:22126 — Cursor for data analysis
- [Mito Health](https://lemstudio.co/yc-companies/mito-health-29706) — **Mito Health** · YC Summer 2024 · Healthcare, Consumer Health and Wellness · Active · team 5 · yc_id:29706 — At-cost lab testing marketplace that profits when you test less
- [Mixed Media Labs](https://lemstudio.co/yc-companies/mixed-media-labs-382) — **Mixed Media Labs** · YC Winter 2010 · Consumer · Inactive · yc_id:382
- [MixerBox](https://lemstudio.co/yc-companies/mixerbox-641) — **MixerBox** · YC Winter 2014 · Consumer · Active · team 30 · yc_id:641 — AI Super-Apps to Live Easier | The anything anytime superapps…
- [Mixpanel](https://lemstudio.co/yc-companies/mixpanel-248) — **Mixpanel** · YC Summer 2009 · B2B, Analytics · Active · team 410 · yc_id:248 — Mixpanel is event analytics for builders that need answers.
- [Mixr](https://lemstudio.co/yc-companies/mixr-24405) — **Mixr** · YC Summer 2021 · B2B, Human Resources · Inactive · team 4 · yc_id:24405 — Team building through online game tournaments. 
- [MixRank](https://lemstudio.co/yc-companies/mixrank-110) — **MixRank** · YC Summer 2011 · B2B · Active · team 31 · yc_id:110 — Data products for sales, marketing, finance, recruiting, and more.
- [Mixwit](https://lemstudio.co/yc-companies/mixwit-315) — **Mixwit** · YC Winter 2008 · Consumer, Content · Inactive · team 2 · yc_id:315 — Online mixtape service (create and share mixtapes). Launched as part…
- [Mixy](https://lemstudio.co/yc-companies/mixy-30812) — **Mixy** · YC Fall 2025 · Consumer · Active · team 2 · yc_id:30812 — Make mashups without knowing how to DJ
- [Miyagi Labs](https://lemstudio.co/yc-companies/miyagi-labs-30299) — **Miyagi Labs** · YC Winter 2025 · Education · Active · team 2 · yc_id:30299 — AI tutors for exam prep
- [mlop](https://lemstudio.co/yc-companies/mlop-30539) — **mlop** · YC Spring 2025 · B2B · Active · team 2 · yc_id:30539 — Experiment tracking for training ML models
- [MobileBoost](https://lemstudio.co/yc-companies/mobileboost-24100) — **MobileBoost** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 15 · yc_id:24100 — AI native mobile testing.
- [Mobius Materials](https://lemstudio.co/yc-companies/mobius-materials-22217) — **Mobius Materials** · YC Summer 2020 · Industrials, Manufacturing and Robotics · Active · team 6 · yc_id:22217 — The spot market for semiconductors
- [Mobot](https://lemstudio.co/yc-companies/mobot-12053) — **Mobot** · YC Winter 2019 · B2B, Engineering, Product and Design · Active · team 40 · yc_id:12053 — Mobot is a QA-as-a-service platform using actual mechanical robots
- [Moby Analytics](https://lemstudio.co/yc-companies/moby-analytics-30531) — **Moby Analytics** · YC Spring 2025 · B2B, Finance and Accounting · Active · team 4 · yc_id:30531 — AI financial auditors
- [Mobydish](https://lemstudio.co/yc-companies/mobydish-792) — **Mobydish** · YC Winter 2015 · B2B, Retail · Acquired · team 10 · yc_id:792 — MobyDish, a tech-enabled service, allowing anyone to place a catering…
- [Mocha](https://lemstudio.co/yc-companies/mocha-29115) — **Mocha** · YC Summer 2023 · B2B, Infrastructure · Acquired · team 7 · yc_id:29115 — Build and publish web apps in minutes. No coding required.
- [MochaCare](https://lemstudio.co/yc-companies/mochacare-31269) — **MochaCare** · YC Winter 2026 · B2B, Operations · Active · team 2 · yc_id:31269 — Agentic Management Service for Care Organizations
- [Mochatrade](https://lemstudio.co/yc-companies/mochatrade-31529) — **Mochatrade** · YC Spring 2026 · Fintech, Consumer Finance · Active · team 3 · yc_id:31529 — US stock trading, unlocked for the globe
- [Mochi](https://lemstudio.co/yc-companies/mochi-32205) — **Mochi** · YC Summer 2026 · Consumer, Content · Active · team 3 · yc_id:32205 — Watch and create anime
- [Moda](https://lemstudio.co/yc-companies/moda-34134) — **Moda** · YC Fall 2026 · B2B, Marketing · Active · team 6 · yc_id:34134 — Fully editable slides, designs and video.
- [Moda](https://lemstudio.co/yc-companies/moda-31252) — **Moda** · YC Winter 2026 · B2B, Infrastructure · Active · team 6 · yc_id:31252 — Harness Engineering Infrastructure that developers love.
- [Modal](https://lemstudio.co/yc-companies/modal-1087) — **Modal** · YC Winter 2016 · B2B, Retail · Inactive · team 18 · yc_id:1087 — digital commerce for the world’s largest auto retailers and brands.
- [Model ML](https://lemstudio.co/yc-companies/model-ml-29410) — **Model ML** · YC Winter 2024 · B2B · Active · team 180 · yc_id:29410 — The AI for Financial Services.
- [Modelence](https://lemstudio.co/yc-companies/modelence-30777) — **Modelence** · YC Summer 2025 · B2B, Infrastructure · Active · team 3 · yc_id:30777 — Production infrastructure on autopilot
- [Modern](https://lemstudio.co/yc-companies/modern-31545) — **Modern** · YC Spring 2026 · B2B, Operations · Active · team 2 · yc_id:31545 — Modern - the ServiceNow killer
- [Modern Fertility](https://lemstudio.co/yc-companies/modern-fertility-1688) — **Modern Fertility** · YC Summer 2017 · Healthcare, Consumer Health and Wellness · Acquired · team 25 · yc_id:1688 — At-home fertility test for women who aren't ready for kids right now…
- [Modern Health](https://lemstudio.co/yc-companies/modern-health-1771) — **Modern Health** · YC Winter 2018 · Healthcare, Healthcare Services · Active · team 375 · yc_id:1771 — A mental health benefits platform for employers.
- [Modern Treasury](https://lemstudio.co/yc-companies/modern-treasury-1893) — **Modern Treasury** · YC Summer 2018 · B2B, Finance and Accounting · Active · team 160 · yc_id:1893 — Payment operations tools for money movement.
- [Modernbanc](https://lemstudio.co/yc-companies/modernbanc-13309) — **Modernbanc** · YC Winter 2020 · Fintech · Active · team 6 · yc_id:13309 — Accounting software that works for you
- [ModernLoop](https://lemstudio.co/yc-companies/modernloop-22676) — **ModernLoop** · YC Winter 2021 · B2B, Recruiting and Talent · Active · team 15 · yc_id:22676 — ModernLoop helps teams automate and streamline recruiting operations
- [Modular Science](https://lemstudio.co/yc-companies/modular-science-1659) — **Modular Science** · YC Summer 2017 · Industrials, Agriculture · Inactive · yc_id:1659 — We're making it easier to do sustainable farming.
- [Modulari-T](https://lemstudio.co/yc-companies/modulari-t-28205) — **Modulari-T** · YC Winter 2023 · Healthcare, Therapeutics · Active · team 4 · yc_id:28205 — We teach your immune system to attack and cure cancer
- [Modus](https://lemstudio.co/yc-companies/modus-29704) — **Modus** · YC Summer 2024 · B2B · Active · team 3 · yc_id:29704 — Unlock revenue per employee with AI-powered headcount management
- [MoFE](https://lemstudio.co/yc-companies/mofe-12526) — **MoFE** · YC Summer 2019 · Consumer, Travel, Leisure and Tourism · Inactive · team 1 · yc_id:12526 — Next generation Disney.
- [Mogara](https://lemstudio.co/yc-companies/mogara-27424) — **Mogara** · YC Winter 2023 · B2B, Finance and Accounting · Inactive · team 2 · yc_id:27424 — Automatic software R&D capitalization 
- [Moichor](https://lemstudio.co/yc-companies/moichor-22700) — **Moichor** · YC Winter 2021 · Healthcare, Diagnostics · Active · team 29 · yc_id:22700 — AI Powered Animal Diagnostics
- [Mojo](https://lemstudio.co/yc-companies/mojo-1835) — **Mojo** · YC Winter 2018 · Consumer, Content · Acquired · team 20 · yc_id:1835 — Mobile app for creating pro-quality social media videos
- [Molagri](https://lemstudio.co/yc-companies/molagri-32521) — **Molagri** · YC Summer 2026 · Industrials, Agriculture · Active · team 4 · yc_id:32521 — Resistance free pesticides.
- [Moltin](https://lemstudio.co/yc-companies/moltin-818) — **Moltin** · YC Winter 2015 · B2B, Retail · Acquired · team 32 · yc_id:818 — eCommerce building blocks through simple APIs for websites & apps.…
- [Momence](https://lemstudio.co/yc-companies/momence-21787) — **Momence** · YC Summer 2020 · Consumer, Travel, Leisure and Tourism · Acquired · team 75 · yc_id:21787 — Scheduling and payments for experiences
- [Momentic](https://lemstudio.co/yc-companies/momentic-29256) — **Momentic** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 18 · yc_id:29256 — Mo, the AI QA engineer that bug-bashes your app before every release
- [Momento](https://lemstudio.co/yc-companies/momento-25328) — **Momento** · YC Winter 2022 · Fintech, Insurance · Active · team 18 · yc_id:25328 — Building a full-stack auto insurer for the underserved in LatAm
- [Momentus](https://lemstudio.co/yc-companies/momentus-1993) — **Momentus** · YC Summer 2018 · Industrials, Aviation and Space · Public · team 125 · yc_id:1993 — The space infrastructure services company
- [Momo Medical](https://lemstudio.co/yc-companies/momo-medical-24371) — **Momo Medical** · YC Summer 2021 · Healthcare · Active · team 10 · yc_id:24371 — We help nurses in nursing homes to be 30% more effective
- [Monarcha](https://lemstudio.co/yc-companies/monarcha-30640) — **Monarcha** · YC Summer 2025 · B2B · Active · team 2 · yc_id:30640 — Turn maps into data
- [Moneco](https://lemstudio.co/yc-companies/moneco-26727) — **Moneco** · YC Summer 2022 · Fintech, Banking and Exchange · Active · team 15 · yc_id:26727 — Neobank for African migrants in Europe
- [Monet](https://lemstudio.co/yc-companies/monet-24269) — **Monet** · YC Summer 2021 · Fintech · Active · team 42 · yc_id:24269 — Payroll-backed loans and cash advances in Latam
- [Mono](https://lemstudio.co/yc-companies/mono-26290) — **Mono** · YC Winter 2022 · Fintech, Payments · Active · team 30 · yc_id:26290 — Embedded finance infrastructure for LatAm enterprises.
- [Mono](https://lemstudio.co/yc-companies/mono-23265) — **Mono** · YC Winter 2021 · Fintech, Banking and Exchange · Acquired · team 10 · yc_id:23265 — Plaid for Africa, but better. 
- [Monosi](https://lemstudio.co/yc-companies/monosi-21858) — **Monosi** · YC Summer 2020 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:21858 — Open Source Data Observability
- [Monte](https://lemstudio.co/yc-companies/monte-30352) — **Monte** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30352 — Continual Learning for Agents
- [Monterey AI](https://lemstudio.co/yc-companies/monterey-ai-27174) — **Monterey AI** · YC Summer 2022 · B2B, Engineering, Product and Design · Acquired · team 6 · yc_id:27174 — Turn user feedback to product insights
- [Monthli](https://lemstudio.co/yc-companies/monthli-1029) — **Monthli** · YC Winter 2016 · Real Estate and Construction, Housing and Real Estate · Inactive · team 4 · yc_id:1029 — Monthli is the first marketplace for homeowner associations.  We…
- [Monto](https://lemstudio.co/yc-companies/monto-24248) — **Monto** · YC Summer 2021 · Fintech · Active · team 13 · yc_id:24248 — Salary on-demand platform for Latin America
- [Monumint](https://lemstudio.co/yc-companies/monumint-29326) — **Monumint** · YC Winter 2024 · B2B · Active · team 5 · yc_id:29326 — Conversational AI purpose-built for financial services
- [moonrepo](https://lemstudio.co/yc-companies/moonrepo-28415) — **moonrepo** · YC Winter 2023 · B2B, Productivity · Inactive · team 2 · yc_id:28415 — Open source build tool for monorepos and large codebases
- [Moonset Health](https://lemstudio.co/yc-companies/moonset-health-30029) — **Moonset Health** · YC Fall 2024 · B2B, Sales · Active · team 6 · yc_id:30029 — AI for Post-Acute Senior Care (Hospice, Home Health, Skilled Nursing…
- [Moonshine](https://lemstudio.co/yc-companies/moonshine-30079) — **Moonshine** · YC Fall 2024 · B2B · Active · team 2 · yc_id:30079 — Extending AI to interact with the real world
- [Moonshot](https://lemstudio.co/yc-companies/moonshot-32121) — **Moonshot** · YC Summer 2026 · Consumer · Active · team 3 · yc_id:32121 — agents for the rest of us
- [Moonshot Brands](https://lemstudio.co/yc-companies/moonshot-brands-23304) — **Moonshot Brands** · YC Winter 2021 · Fintech, Asset Management · Inactive · team 35 · yc_id:23304 — Buy and grow profitable e-commerce companies selling on Amazon and DTC
- [Moonvalley](https://lemstudio.co/yc-companies/moonvalley-23472) — **Moonvalley** · YC Winter 2021 · Consumer, Virtual and Augmented Reality · Active · team 95 · yc_id:23472 — Building the next generation AI creative studio
- [Morada Uno](https://lemstudio.co/yc-companies/morada-uno-23261) — **Morada Uno** · YC Winter 2021 · Real Estate and Construction, Housing and Real Estate · Active · team 150 · yc_id:23261 — We underwrite and insure house rentals in Latam 
- [Moreta](https://lemstudio.co/yc-companies/moreta-29829) — **Moreta** · YC Summer 2024 · Fintech, Payments · Active · team 4 · yc_id:29829 — Payments made easy for international travelers.
- [Morf Health](https://lemstudio.co/yc-companies/morf-health-27269) — **Morf Health** · YC Summer 2022 · Healthcare, Healthcare IT · Active · team 6 · yc_id:27269 — Workflow automation for healthcare providers
- [Moritz](https://lemstudio.co/yc-companies/moritz-31146) — **Moritz** · YC Winter 2026 · B2B, Legal · Active · team 10 · yc_id:31146 — Global AI-native law firm handling legal work with same-day turnaround
- [Morph](https://lemstudio.co/yc-companies/morph-29120) — **Morph** · YC Summer 2023 · B2B, Infrastructure · Active · team 3 · yc_id:29120 — Fast Models Optimized for Coding Agents
- [Morphik](https://lemstudio.co/yc-companies/morphik-30475) — **Morphik** · YC Spring 2025 · B2B, Operations · Active · team 2 · yc_id:30475 — AI workers for Skilled Nursing and Senior Living Operations
- [Morphle Labs](https://lemstudio.co/yc-companies/morphle-labs-13351) — **Morphle Labs** · YC Winter 2020 · Healthcare, Medical Devices · Active · team 65 · yc_id:13351 — Robotic Automation for cancer diagnostics - Robotic Microscopes &…
- [MorphoAI](https://lemstudio.co/yc-companies/morphoai-30512) — **MorphoAI** · YC Spring 2025 · Industrials, Manufacturing and Robotics · Active · team 7 · yc_id:30512 — Software tool for designing robots and machines 
- [Mosaic](https://lemstudio.co/yc-companies/mosaic-32201) — **Mosaic** · YC Summer 2026 · B2B · Active · team 2 · yc_id:32201 — Defining the frontier of multiplayer AI.
- [Mosaic](https://lemstudio.co/yc-companies/mosaic-30244) — **Mosaic** · YC Winter 2025 · Consumer, Content · Active · team 5 · yc_id:30244 — Frontier Video Agents
- [MosaicVoice](https://lemstudio.co/yc-companies/mosaicvoice-25558) — **MosaicVoice** · YC Winter 2022 · B2B, Operations · Active · team 4 · yc_id:25558 — We make it simple for call centers to automate quality assurance.
- [Mosaix.ai](https://lemstudio.co/yc-companies/mosaix-ai-1238) — **Mosaix.ai** · YC Summer 2016 · Consumer, Transportation Services · Inactive · team 20 · yc_id:1238 — Mosaix builds the NLP for the local languages at the emerging markets.
- [Moss](https://lemstudio.co/yc-companies/moss-31008) — **Moss** · YC Fall 2025 · B2B · Active · team 5 · yc_id:31008 — Real-time semantic search for Conversational AI
- [Most Robotic](https://lemstudio.co/yc-companies/most-robotic-31341) — **Most Robotic** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:31341 — Research lab building the most robotic household in the world
- [Motion](https://lemstudio.co/yc-companies/motion-12871) — **Motion** · YC Winter 2020 · B2B, Productivity · Active · team 65 · yc_id:12871 — The only work management platform for both Human and AI Employees
- [Motionlead](https://lemstudio.co/yc-companies/motionlead-604) — **Motionlead** · YC Winter 2014 · B2B, Marketing · Acquired · team 11 · yc_id:604 — Animated mobile ads.
- [Motives](https://lemstudio.co/yc-companies/motives-30713) — **Motives** · YC Summer 2025 · B2B, Marketing · Active · yc_id:30713 — Consumer focus groups run by AI
- [Mount](https://lemstudio.co/yc-companies/mount-31440) — **Mount** · YC Spring 2026 · Fintech, Insurance · Active · team 2 · yc_id:31440 — The AI Agent Insurance Carrier
- [MouseCat](https://lemstudio.co/yc-companies/mousecat-31132) — **MouseCat** · YC Winter 2026 · B2B · Active · team 6 · yc_id:31132 — AI to fight financial crime
- [Move Loot](https://lemstudio.co/yc-companies/move-loot-605) — **Move Loot** · YC Winter 2014 · Consumer, Home and Personal · Inactive · team 51 · yc_id:605 — Move Loot is the most convenient and economical way to buy and sell…
- [MOVEdot](https://lemstudio.co/yc-companies/movedot-30849) — **MOVEdot** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:30849 — AI Agents for Hardware Engineering
- [Moving Atoms](https://lemstudio.co/yc-companies/moving-atoms-32752) — **Moving Atoms** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:32752 — Virtual Reality for Training Robots
- [Moving Parts](https://lemstudio.co/yc-companies/moving-parts-24700) — **Moving Parts** · YC Summer 2021 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:24700 — Delightful components for iOS.
- [MovingLake](https://lemstudio.co/yc-companies/movinglake-27177) — **MovingLake** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:27177 — Realtime Data Connectors
- [Movity](https://lemstudio.co/yc-companies/movity-231) — **Movity** · YC Winter 2010 · Real Estate and Construction, Housing and Real Estate · Acquired · team 2 · yc_id:231 — Real estate data visualization.  Sold to Trulia Dec…
- [Movley](https://lemstudio.co/yc-companies/movley-29045) — **Movley** · YC Summer 2023 · B2B, Supply Chain and Logistics · Inactive · team 8 · yc_id:29045 — Your e-commerce brand's product quality control department.
- [Moxion Power Co.](https://lemstudio.co/yc-companies/moxion-power-co-23202) — **Moxion Power Co.** · YC Winter 2021 · Industrials, Energy · Inactive · team 380 · yc_id:23202 — Mobile Energy Storage Technology
- [Mozart Data](https://lemstudio.co/yc-companies/mozart-data-22248) — **Mozart Data** · YC Summer 2020 · B2B, Infrastructure · Active · team 24 · yc_id:22248 — The easiest way to set up a modern data stack
- [Mozper](https://lemstudio.co/yc-companies/mozper-22026) — **Mozper** · YC Summer 2020 · Fintech, Banking and Exchange · Active · team 6 · yc_id:22026 — A debit card and app designed for kids and parents in Latin America
- [mRelief](https://lemstudio.co/yc-companies/mrelief-1055) — **mRelief** · YC Winter 2016 · Unspecified · Active · team 12 · yc_id:1055 — mRelief has built an easy-to-use platform and web and text messaging…
- [MSPilot](https://lemstudio.co/yc-companies/mspilot-26144) — **MSPilot** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:26144 — Turn AI adoption into a recurring revenue line.
- [MTailor](https://lemstudio.co/yc-companies/mtailor-688) — **MTailor** · YC Summer 2014 · Consumer, Apparel and Cosmetics · Active · team 11 · yc_id:688 — Get measured by your phone in under 30 seconds for perfect fitting…
- [Mth Sense](https://lemstudio.co/yc-companies/mth-sense-402) — **Mth Sense** · YC Summer 2012 · B2B, Marketing · Active · team 11 · yc_id:402 — We're a mobile on-device profiling and ad-serving platform initially…
- [Mudafy](https://lemstudio.co/yc-companies/mudafy-12847) — **Mudafy** · YC Summer 2019 · Real Estate and Construction, Housing and Real Estate · Active · team 75 · yc_id:12847 — The LatAm tech-enabled real estate broker to buy and sell houses. 
- [Muddy](https://lemstudio.co/yc-companies/muddy-12583) — **Muddy** · YC Summer 2019 · B2B, Productivity · Inactive · team 6 · yc_id:12583 — The multiplayer browser that knows you
- [Mudrex](https://lemstudio.co/yc-companies/mudrex-12235) — **Mudrex** · YC Winter 2019 · Fintech, Asset Management · Active · team 11 · yc_id:12235 — India's largest crypto investing paltform
- [Muffin Data](https://lemstudio.co/yc-companies/muffin-data-28048) — **Muffin Data** · YC Winter 2023 · B2B, Analytics · Acquired · team 2 · yc_id:28048 — Modern analytics for CPG brands
- [Mulligan](https://lemstudio.co/yc-companies/mulligan-27702) — **Mulligan** · YC Winter 2023 · B2B · Acquired · team 5 · yc_id:27702 — AI automation for insurance brokerages
- [Multifactor](https://lemstudio.co/yc-companies/multifactor-30896) — **Multifactor** · YC Fall 2025 · B2B, Security · Active · team 6 · yc_id:30896 — Zero-trust authentication, authorization, and auditing for AI agents
- [Multiplier](https://lemstudio.co/yc-companies/multiplier-31343) — **Multiplier** · YC Spring 2026 · B2B · Active · team 3 · yc_id:31343 — Agent harnesses for asset managers
- [Multiply Labs](https://lemstudio.co/yc-companies/multiply-labs-1233) — **Multiply Labs** · YC Summer 2016 · Industrials, Manufacturing and Robotics · Active · team 36 · yc_id:1233 — Robotic production capacity for the pharma manufacturing industry
- [Multis](https://lemstudio.co/yc-companies/multis-12835) — **Multis** · YC Summer 2019 · Fintech, Banking and Exchange · Inactive · team 14 · yc_id:12835 — Accounting & Treasury Management Software for Web3 Teams 
- [Multiverse](https://lemstudio.co/yc-companies/multiverse-13223) — **Multiverse** · YC Winter 2020 · Consumer, Gaming · Inactive · team 9 · yc_id:13223 — Multiverse is a web-based game creation system inspired by Dungeons &…
- [Mundo AI](https://lemstudio.co/yc-companies/mundo-ai-30271) — **Mundo AI** · YC Winter 2025 · B2B, Infrastructure · Active · team 30 · yc_id:30271 — The data layer for perceptual intelligence
- [Munify](https://lemstudio.co/yc-companies/munify-30786) — **Munify** · YC Summer 2025 · Fintech · Active · team 4 · yc_id:30786 — The Cross-Border Neobank for the Middle East
- [Munily](https://lemstudio.co/yc-companies/munily-25527) — **Munily** · YC Winter 2022 · B2B, Security · Active · team 30 · yc_id:25527 — Access control management app for Latam´s gated communities
- [MusicArena](https://lemstudio.co/yc-companies/musicarena-32160) — **MusicArena** · YC Summer 2026 · B2B · Active · yc_id:32160 — The crowdsourced benchmark for AI-generated music and music production
- [mutable.ai](https://lemstudio.co/yc-companies/mutable-ai-25831) — **mutable.ai** · YC Winter 2022 · B2B · Acquired · team 7 · yc_id:25831 — Artificially Intelligent Corporations
- [Mutiny](https://lemstudio.co/yc-companies/mutiny-2014) — **Mutiny** · YC Summer 2018 · B2B, Sales · Active · team 20 · yc_id:2014 — Your AI agent for creating anything customer-facing, in minutes.
- [Mux](https://lemstudio.co/yc-companies/mux-972) — **Mux** · YC Winter 2016 · B2B, Infrastructure · Active · team 95 · yc_id:972 — Video infrastructure for developers
- [Muzz](https://lemstudio.co/yc-companies/muzz-1677) — **Muzz** · YC Summer 2017 · Consumer, Social · Active · team 104 · yc_id:1677 — Where Single Muslims meet
- [My NextDerma](https://lemstudio.co/yc-companies/my-nextderma-23568) — **My NextDerma** · YC Winter 2021 · Healthcare, Consumer Health and Wellness · Active · team 12 · yc_id:23568 — Dermatology telehealth app for LatAm
- [Mylk Guys](https://lemstudio.co/yc-companies/mylk-guys-1920) — **Mylk Guys** · YC Summer 2018 · Consumer, Food and Beverage · Inactive · team 6 · yc_id:1920 — Amazon for Vegans
- [MyPetrolPump](https://lemstudio.co/yc-companies/mypetrolpump-12728) — **MyPetrolPump** · YC Summer 2019 · B2B, Supply Chain and Logistics · Acquired · team 42 · yc_id:12728 — On demand fuel delivery service in India
- [Myria](https://lemstudio.co/yc-companies/myria-25447) — **Myria** · YC Winter 2022 · Consumer · Active · team 7 · yc_id:25447 — A marketplace of luxury services for the ultra-wealthy
- [MySivi](https://lemstudio.co/yc-companies/mysivi-25518) — **MySivi** · YC Winter 2022 · Education · Active · team 10 · yc_id:25518 — MySivi - AI English Speaking Practice App
- [Mystery.org](https://lemstudio.co/yc-companies/mystery-org-1617) — **Mystery.org** · YC Summer 2017 · Education · Acquired · team 53 · yc_id:1617 — We help kids stay curious by creating better explanations.
- [Mystic](https://lemstudio.co/yc-companies/mystic-23430) — **Mystic** · YC Winter 2021 · B2B, Infrastructure · Inactive · team 11 · yc_id:23430 — Low latency API to run and deploy ML models
- [Mystro](https://lemstudio.co/yc-companies/mystro-1624) — **Mystro** · YC Summer 2017 · Consumer, Job and Career Services · Inactive · team 6 · yc_id:1624 — Mystro is an app that makes rideshare drivers up to 30% more money by…
- [Mythia](https://lemstudio.co/yc-companies/mythia-23185) — **Mythia** · YC Winter 2021 · Fintech · Inactive · yc_id:23185 — Rewards card for gamers
- [Mytos](https://lemstudio.co/yc-companies/mytos-1967) — **Mytos** · YC Summer 2018 · Healthcare, Industrial Bio · Active · team 26 · yc_id:1967 — Robotic human cell manufacturing
- [MyVR](https://lemstudio.co/yc-companies/myvr-13) — **MyVR** · YC Winter 2012 · Real Estate and Construction, Housing and Real Estate · Acquired · team 15 · yc_id:13 — The open platform for the vacation rental industry.
- [Nabis](https://lemstudio.co/yc-companies/nabis-11995) — **Nabis** · YC Winter 2019 · B2B, Supply Chain and Logistics · Active · team 700 · yc_id:11995 — Nabis is the largest licensed cannabis wholesale platform.
- [Nabla Bio](https://lemstudio.co/yc-companies/nabla-bio-21992) — **Nabla Bio** · YC Summer 2020 · Healthcare, Drug Discovery and Delivery · Active · team 8 · yc_id:21992 — We use AI to design antibodies for intractable diseases
- [Naborly](https://lemstudio.co/yc-companies/naborly-1824) — **Naborly** · YC Winter 2018 · Real Estate and Construction, Housing and Real Estate · Acquired · team 25 · yc_id:1824 — A credit bureau for the renting generation.
- [Naïve](https://lemstudio.co/yc-companies/na-ve-30522) — **Naïve** · YC Spring 2025 · B2B, Infrastructure · Active · team 8 · yc_id:30522 — Autonomous Company Infrastructure
- [NALA](https://lemstudio.co/yc-companies/nala-12236) — **NALA** · YC Winter 2019 · Fintech, Banking and Exchange · Active · team 168 · yc_id:12236 — Building Payments for the Next Billion.
- [Namaste Business](https://lemstudio.co/yc-companies/namaste-business-12741) — **Namaste Business** · YC Summer 2019 · B2B, Retail · Inactive · team 15 · yc_id:12741 — Shopify for a mobile first world
- [Nambii](https://lemstudio.co/yc-companies/nambii-278) — **Nambii** · YC Winter 2009 · Consumer, Social · Inactive · yc_id:278
- [Namecard.ai](https://lemstudio.co/yc-companies/namecard-ai-26819) — **Namecard.ai** · YC Summer 2022 · B2B · Active · team 9 · yc_id:26819 — AI-powered business matchmaking
- [Names & Faces](https://lemstudio.co/yc-companies/names-faces-1991) — **Names & Faces** · YC Summer 2018 · B2B, Human Resources · Active · team 20 · yc_id:1991 — Technology to create fast, visual indexes of people and organizations.
- [Nango](https://lemstudio.co/yc-companies/nango-27728) — **Nango** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:27728 — A single API for all your integrations
- [Nano Technologies](https://lemstudio.co/yc-companies/nano-technologies-23656) — **Nano Technologies** · YC Winter 2021 · Fintech, Credit and Lending · Active · team 17 · yc_id:23656 — Payroll app to pay workers daily for retailers & manufacturers in SEA
- [NanoCorp](https://lemstudio.co/yc-companies/nanocorp-29355) — **NanoCorp** · YC Winter 2024 · Consumer · Active · team 1 · yc_id:29355 — Autonomous Companies Run by AI Working While You Sleep.
- [Nanograb](https://lemstudio.co/yc-companies/nanograb-29051) — **Nanograb** · YC Summer 2023 · Healthcare, Drug Discovery and Delivery · Active · team 5 · yc_id:29051 — Deliver genes to any cell with AI
- [NanoNets](https://lemstudio.co/yc-companies/nanonets-1530) — **NanoNets** · YC Winter 2017 · B2B, Productivity · Active · team 102 · yc_id:1530 — Automatic Data Extraction
- [nao Labs](https://lemstudio.co/yc-companies/nao-labs-30405) — **nao Labs** · YC Spring 2025 · B2B, Analytics · Active · team 2 · yc_id:30405 — Open Source Analytics Agent
- [Napkin Math](https://lemstudio.co/yc-companies/napkin-math-31427) — **Napkin Math** · YC Spring 2026 · Consumer · Active · team 3 · yc_id:31427 — AI nutrition coach in your pocket
- [Nara](https://lemstudio.co/yc-companies/nara-26052) — **Nara** · YC Winter 2022 · B2B · Acquired · team 3 · yc_id:26052 — Answer 70% of your support and sales questions. Instantly
- [Narrative](https://lemstudio.co/yc-companies/narrative-30950) — **Narrative** · YC Fall 2025 · Consumer, Content · Active · team 3 · yc_id:30950 — AI Video Editor
- [Narrative](https://lemstudio.co/yc-companies/narrative-27814) — **Narrative** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:27814 — AI agents for end-to-end testing
- [Narrator](https://lemstudio.co/yc-companies/narrator-12598) — **Narrator** · YC Summer 2019 · B2B, Infrastructure · Inactive · team 8 · yc_id:12598 — The only platform that can prep data to answer EVERY question you…
- [Nasdisc](https://lemstudio.co/yc-companies/nasdisc-24627) — **Nasdisc** · YC Summer 2021 · Consumer · Acquired · team 4 · yc_id:24627 — A marketplace for vinyl, cassettes and cds
- [Nash](https://lemstudio.co/yc-companies/nash-24876) — **Nash** · YC Summer 2021 · B2B, Supply Chain and Logistics · Active · team 40 · yc_id:24876 — Nash is the digital logistics infrastructure for commerce
- [Nash](https://lemstudio.co/yc-companies/nash-25758) — **Nash** · YC Winter 2022 · Fintech · Active · team 11 · yc_id:25758 — All in one finance platform for borderless businesses in Africa
- [Natero](https://lemstudio.co/yc-companies/natero-434) — **Natero** · YC Summer 2012 · B2B, Operations · Acquired · team 11 · yc_id:434 — Data-driven customer success platform for B2B SaaS.
- [National Finance Olympiad](https://lemstudio.co/yc-companies/national-finance-olympiad-25594) — **National Finance Olympiad** · YC Winter 2022 · Education · Active · team 12 · yc_id:25594 — The SAT of Financial Education in India.
- [NaturAll Club](https://lemstudio.co/yc-companies/naturall-club-12325) — **NaturAll Club** · YC Winter 2019 · Consumer, Food and Beverage · Active · team 17 · yc_id:12325 — Frozen beauty products.
- [Nautilus](https://lemstudio.co/yc-companies/nautilus-30733) — **Nautilus** · YC Summer 2025 · B2B, Sales · Active · team 4 · yc_id:30733 — AI platform to grow and to optimize car washes
- [Navattic](https://lemstudio.co/yc-companies/navattic-23431) — **Navattic** · YC Winter 2021 · B2B, Marketing · Active · team 40 · yc_id:23431 — Interactive product demos
- [Navier AI](https://lemstudio.co/yc-companies/navier-ai-29183) — **Navier AI** · YC Winter 2024 · Industrials, Aviation and Space · Active · team 7 · yc_id:29183 — Agent-Driven Engineering
- [Naytev](https://lemstudio.co/yc-companies/naytev-689) — **Naytev** · YC Summer 2014 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:689 — Naytev automates paid and organic social media management in one place
- [nCompass Technologies](https://lemstudio.co/yc-companies/ncompass-technologies-29266) — **nCompass Technologies** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29266 — Optimize performance on GPUs - 10x faster
- [Ndea](https://lemstudio.co/yc-companies/ndea-31019) — **Ndea** · YC Winter 2026 · Industrials · Active · team 15 · yc_id:31019 — Building AGI that can innovate.
- [NearWave](https://lemstudio.co/yc-companies/nearwave-25650) — **NearWave** · YC Winter 2022 · Healthcare, Medical Devices · Active · team 3 · yc_id:25650 — Helping physicians select the right therapy for breast cancer patients
- [Nebia](https://lemstudio.co/yc-companies/nebia-956) — **Nebia** · YC Summer 2015 · Consumer, Home and Personal · Acquired · team 16 · yc_id:956 — Nebia is a breakthrough shower system, based on a premium experience,…
- [Nebullam (DBA Clayton Farms)](https://lemstudio.co/yc-companies/nebullam-dba-clayton-farms-11968) — **Nebullam (DBA Clayton Farms)** · YC Winter 2019 · Consumer, Food and Beverage · Active · team 2 · yc_id:11968 — We put farms inside restaurants, so customers get healthier food and…
- [NebuSec](https://lemstudio.co/yc-companies/nebusec-32138) — **NebuSec** · YC Summer 2026 · B2B, Security · Active · team 4 · yc_id:32138 — Autonomous AI defense system for cyber attack
- [Nectar](https://lemstudio.co/yc-companies/nectar-28745) — **Nectar** · YC Summer 2023 · Industrials, Energy · Active · team 7 · yc_id:28745 — Manage energy cost & usage with AI for facility & sustainability teams
- [Necto](https://lemstudio.co/yc-companies/necto-1738) — **Necto** · YC Winter 2018 · Consumer, Home and Personal · Inactive · team 4 · yc_id:1738 — ISP starter kit
- [Nectome](https://lemstudio.co/yc-companies/nectome-1767) — **Nectome** · YC Winter 2018 · Healthcare, Therapeutics · Active · team 9 · yc_id:1767 — Human whole body end-of-life preservation for later revival.
- [Neema](https://lemstudio.co/yc-companies/neema-1508) — **Neema** · YC Winter 2017 · Fintech, Consumer Finance · Inactive · team 2 · yc_id:1508 — Neema is an app for unbanked workers, which provides a checking…
- [Neodocs](https://lemstudio.co/yc-companies/neodocs-24095) — **Neodocs** · YC Summer 2021 · Healthcare · Active · team 20 · yc_id:24095 — Instant lab tests on your smartphone
- [Neomatter](https://lemstudio.co/yc-companies/neomatter-33804) — **Neomatter** · YC Fall 2026 · B2B, Legal · Active · team 2 · yc_id:33804 — AI that works for in-house legal teams
- [neoncoral](https://lemstudio.co/yc-companies/neoncoral-30423) — **neoncoral** · YC Spring 2025 · Consumer · Active · team 1 · yc_id:30423
- [Neosync](https://lemstudio.co/yc-companies/neosync-26872) — **Neosync** · YC Summer 2022 · B2B, Infrastructure · Acquired · team 3 · yc_id:26872 — Neosync is an open-source anonymization and synthetic data platform.
- [NeoWize](https://lemstudio.co/yc-companies/neowize-1247) — **NeoWize** · YC Summer 2016 · B2B, Retail · Acquired · team 3 · yc_id:1247 — NeoWize created a new type of machine learning algorithm and uses it…
- [Nephrogen](https://lemstudio.co/yc-companies/nephrogen-22045) — **Nephrogen** · YC Summer 2020 · Healthcare, Therapeutics · Active · team 5 · yc_id:22045 — Curative genetic medicines for kidney diseases
- [Neptune.io](https://lemstudio.co/yc-companies/neptune-io-690) — **Neptune.io** · YC Summer 2014 · B2B, Infrastructure · Inactive · team 11 · yc_id:690 — A self-healing platform to enrich and fix server alerts automatically
- [Neptyne](https://lemstudio.co/yc-companies/neptyne-27831) — **Neptyne** · YC Winter 2023 · B2B · Inactive · team 4 · yc_id:27831 — The programmable spreadsheet.
- [Nessie](https://lemstudio.co/yc-companies/nessie-30880) — **Nessie** · YC Fall 2025 · B2B · Active · team 3 · yc_id:30880 — The shared context layer for recursive companies - your work, your…
- [Nest Genomics](https://lemstudio.co/yc-companies/nest-genomics-25350) — **Nest Genomics** · YC Winter 2022 · Healthcare, Healthcare IT · Active · team 14 · yc_id:25350 — Software to launch and integrate genetics into clinical care
- [Nestor](https://lemstudio.co/yc-companies/nestor-1998) — **Nestor** · YC Summer 2018 · B2B, Human Resources · Active · team 20 · yc_id:1998 — Skills-based talent management solutions for a dynamic workforce.
- [Nestybox](https://lemstudio.co/yc-companies/nestybox-22238) — **Nestybox** · YC Summer 2020 · B2B, Infrastructure · Acquired · team 2 · yc_id:22238 — Enables Linux containers to act as super fast & efficient VMs
- [NetBeez](https://lemstudio.co/yc-companies/netbeez-1056) — **NetBeez** · YC Winter 2016 · B2B, Infrastructure · Active · team 12 · yc_id:1056 — Network monitoring from the end-user perspective
- [Netmaker](https://lemstudio.co/yc-companies/netmaker-26049) — **Netmaker** · YC Winter 2022 · B2B, Infrastructure · Active · team 7 · yc_id:26049 — Automated WireGuard networks for distributed systems and Kubernetes
- [Netomi](https://lemstudio.co/yc-companies/netomi-1033) — **Netomi** · YC Winter 2016 · B2B, Marketing · Active · team 3 · yc_id:1033 — Self-Driving Customer Care
- [Netter](https://lemstudio.co/yc-companies/netter-31221) — **Netter** · YC Spring 2026 · B2B, Analytics · Active · team 4 · yc_id:31221 — AI native Palantir for mid market.
- [NetworkOcean](https://lemstudio.co/yc-companies/networkocean-29663) — **NetworkOcean** · YC Summer 2024 · Industrials, Climate · Active · team 4 · yc_id:29663 — We build floating solar data centers
- [Neuromorphic](https://lemstudio.co/yc-companies/neuromorphic-32716) — **Neuromorphic** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:32716 — Building robots to automate wetlabs
- [Neuron Industries](https://lemstudio.co/yc-companies/neuron-industries-32717) — **Neuron Industries** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:32717 — Industrial Controllers built for AI
- [Neverland](https://lemstudio.co/yc-companies/neverland-22600) — **Neverland** · YC Winter 2021 · Consumer, Home and Personal · Inactive · team 2 · yc_id:22600 — The first online home garden and lawn marketplace 
- [New Incentives](https://lemstudio.co/yc-companies/new-incentives-1246) — **New Incentives** · YC Summer 2016 · Unspecified · Active · team 51 · yc_id:1246 — Cash transfers that save lives.
- [New Story](https://lemstudio.co/yc-companies/new-story-869) — **New Story** · YC Summer 2015 · Real Estate and Construction · Active · team 20 · yc_id:869 — We pioneer solutions to end the global housing crisis by empowering…
- [Newcope](https://lemstudio.co/yc-companies/newcope-235) — **Newcope** · YC Winter 2010 · Consumer, Gaming · Inactive · team 2 · yc_id:235
- [NewCraft](https://lemstudio.co/yc-companies/newcraft-1782) — **NewCraft** · YC Winter 2018 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:1782 — Universal API for HR & Payroll
- [Newfront](https://lemstudio.co/yc-companies/newfront-1654) — **Newfront** · YC Winter 2018 · Fintech, Insurance · Acquired · team 800 · yc_id:1654 — Modern insurance brokerage.
- [NewsBlur](https://lemstudio.co/yc-companies/newsblur-438) — **NewsBlur** · YC Summer 2012 · Consumer, Content · Active · team 1 · yc_id:438 — NewsBlur is a personalized news reader 
- [NewsCatcher](https://lemstudio.co/yc-companies/newscatcher-26860) — **NewsCatcher** · YC Summer 2022 · B2B, Analytics · Active · team 22 · yc_id:26860 — Turning the web into a structured database of real world events.
- [Newslabs](https://lemstudio.co/yc-companies/newslabs-234) — **Newslabs** · YC Winter 2010 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:234
- [Newton](https://lemstudio.co/yc-companies/newton-29259) — **Newton** · YC Winter 2024 · B2B · Active · team 4 · yc_id:29259 — AI-powered phone platform for dentists
- [Nex](https://lemstudio.co/yc-companies/nex-33342) — **Nex** · YC Summer 2026 · B2B, Sales · Active · team 5 · yc_id:33342 — AI for high volume GTM Engineering
- [Nexa Labs](https://lemstudio.co/yc-companies/nexa-labs-30673) — **Nexa Labs** · YC Summer 2025 · Industrials, Agriculture · Acquired · team 3 · yc_id:30673 — Implantable microchips and AI for cattle monitoring
- [NEXGENT](https://lemstudio.co/yc-companies/nexgent-1761) — **NEXGENT** · YC Winter 2018 · Education · Active · team 25 · yc_id:1761
- [Next Caller](https://lemstudio.co/yc-companies/next-caller-606) — **Next Caller** · YC Winter 2014 · B2B, Sales · Acquired · team 20 · yc_id:606 — Next Caller creates a positive customer experience through real-time…
- [NextDrop](https://lemstudio.co/yc-companies/nextdrop-1704) — **NextDrop** · YC Summer 2017 · Industrials, Energy · Inactive · team 11 · yc_id:1704 — NextDrop is the water marketplace for urban India.  We connect water…
- [Nextera Robotics | DIDGE.ai](https://lemstudio.co/yc-companies/nextera-robotics-didge-ai-21969) — **Nextera Robotics | DIDGE.ai** · YC Summer 2020 · Industrials, Manufacturing and Robotics · Active · team 20 · yc_id:21969 — AI-native Robotics
- [Nextmv](https://lemstudio.co/yc-companies/nextmv-13122) — **Nextmv** · YC Winter 2020 · B2B, Engineering, Product and Design · Acquired · team 22 · yc_id:13122 — A DecisionOps platform that accelerates optimization AI teams
- [Nextop](https://lemstudio.co/yc-companies/nextop-819) — **Nextop** · YC Winter 2015 · B2B, Infrastructure · Inactive · team 2 · yc_id:819 — Nextop optimizes the path between your app and backend. Client…
- [NextPay](https://lemstudio.co/yc-companies/nextpay-23632) — **NextPay** · YC Winter 2021 · Fintech, Banking and Exchange · Active · team 25 · yc_id:23632 — The digital bank for small businesses in the Philippines.
- [NexTravel](https://lemstudio.co/yc-companies/nextravel-814) — **NexTravel** · YC Winter 2015 · B2B, Finance and Accounting · Acquired · team 17 · yc_id:814 — NexTravel is a centralized travel booking platform that helps…
- [Nextstore](https://lemstudio.co/yc-companies/nextstore-22251) — **Nextstore** · YC Summer 2020 · B2B, Marketing · Inactive · team 6 · yc_id:22251 — Mobile optimized storefronts for Shopify
- [Nexu](https://lemstudio.co/yc-companies/nexu-13471) — **Nexu** · YC Winter 2020 · Fintech, Credit and Lending · Active · team 63 · yc_id:13471 — Financing platform for LatAm car dealerships.
- [Nexus](https://lemstudio.co/yc-companies/nexus-24157) — **Nexus** · YC Summer 2021 · Fintech, Consumer Finance · Inactive · team 2 · yc_id:24157 — Nexus  offers a unified checking and investment account.
- [Nexus](https://lemstudio.co/yc-companies/nexus-30852) — **Nexus** · YC Fall 2025 · B2B · Active · team 2 · yc_id:30852 — We help non-technical teams build AI agents without engineers
- [NFTScoring](https://lemstudio.co/yc-companies/nftscoring-26278) — **NFTScoring** · YC Winter 2022 · Consumer · Inactive · team 8 · yc_id:26278 — The NFT exchange for traders
- [ngrow.ai](https://lemstudio.co/yc-companies/ngrow-ai-25967) — **ngrow.ai** · YC Winter 2022 · B2B, Marketing · Inactive · team 11 · yc_id:25967 — Low-code SaaS for marketing in push notifications
- [Nightingale](https://lemstudio.co/yc-companies/nightingale-692) — **Nightingale** · YC Summer 2014 · Healthcare, Healthcare IT · Inactive · team 2 · yc_id:692 — App for managing care of autistic students
- [Niles](https://lemstudio.co/yc-companies/niles-1547) — **Niles** · YC Winter 2017 · B2B, Productivity · Inactive · team 2 · yc_id:1547 — Knowledge Assistant for Work.
- [Nimbic AI](https://lemstudio.co/yc-companies/nimbic-ai-30532) — **Nimbic AI** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30532 — Automatically write and update internal docs with every code commit.
- [Nimble](https://lemstudio.co/yc-companies/nimble-1609) — **Nimble** · YC Summer 2017 · Education · Active · team 25 · yc_id:1609 — Data-driven teacher hiring
- [NimbleRx](https://lemstudio.co/yc-companies/nimblerx-851) — **NimbleRx** · YC Winter 2015 · Healthcare, Consumer Health and Wellness · Active · team 130 · yc_id:851 — On-demand prescription delivery.
- [Nimbus](https://lemstudio.co/yc-companies/nimbus-13302) — **Nimbus** · YC Winter 2020 · Industrials, Automotive · Inactive · team 5 · yc_id:13302 — Tesla for city dwellers 
- [Nimbus](https://lemstudio.co/yc-companies/nimbus-23000) — **Nimbus** · YC Winter 2021 · B2B, Infrastructure · Inactive · team 3 · yc_id:23000 — Nimbus reduces Datadog costs by more than 60% without Manual Effort
- [Nine Fives](https://lemstudio.co/yc-companies/nine-fives-31366) — **Nine Fives** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:31366 — RF test equipment for next-gen spacecraft, drones, and cellphones
- [Ninite](https://lemstudio.co/yc-companies/ninite-306) — **Ninite** · YC Winter 2008 · B2B, Infrastructure · Active · team 2 · yc_id:306 — Simple third-party app patching and deployment for Windows.
- [Nino Foods](https://lemstudio.co/yc-companies/nino-foods-24084) — **Nino Foods** · YC Summer 2021 · Consumer, Food and Beverage · Inactive · team 250 · yc_id:24084 — Building India's fast food empire
- [Nira Energy](https://lemstudio.co/yc-companies/nira-energy-24352) — **Nira Energy** · YC Winter 2022 · Industrials, Climate · Active · team 20 · yc_id:24352 — Software to find the best sites for renewables on the electrical grid
- [Nirva](https://lemstudio.co/yc-companies/nirva-22840) — **Nirva** · YC Winter 2021 · Healthcare, Healthcare Services · Active · team 5 · yc_id:22840 — The lifestyle medicine layer for clinicians.
- [Nitrode](https://lemstudio.co/yc-companies/nitrode-30286) — **Nitrode** · YC Winter 2025 · B2B · Active · team 8 · yc_id:30286 — Frontier AI research to advance game development
- [Nixo](https://lemstudio.co/yc-companies/nixo-30494) — **Nixo** · YC Summer 2025 · B2B · Active · team 6 · yc_id:30494 — Make every FDE on your team capable of moving any account forward.
- [No Cap](https://lemstudio.co/yc-companies/no-cap-27859) — **No Cap** · YC Winter 2023 · Fintech · Acquired · team 5 · yc_id:27859 — AI startup investor, No Cap
- [No Lean Season](https://lemstudio.co/yc-companies/no-lean-season-1553) — **No Lean Season** · YC Winter 2017 · Unspecified · Inactive · yc_id:1553 — A bus ticket out of poverty
- [No Logo](https://lemstudio.co/yc-companies/no-logo-29853) — **No Logo** · YC Summer 2024 · B2B, Supply Chain and Logistics · Active · team 15 · yc_id:29853 — Turn ideas into physical products
- [Nobell Foods](https://lemstudio.co/yc-companies/nobell-foods-1586) — **Nobell Foods** · YC Summer 2017 · Consumer, Food and Beverage · Active · team 58 · yc_id:1586 — Cheese and dairy products from plant-derived dairy proteins
- [Noble](https://lemstudio.co/yc-companies/noble-22975) — **Noble** · YC Winter 2021 · B2B, Finance and Accounting · Inactive · team 12 · yc_id:22975 — Risk decisioning platform 
- [NODI Energy](https://lemstudio.co/yc-companies/nodi-energy-30502) — **NODI Energy** · YC Spring 2025 · Industrials, Energy · Active · team 2 · yc_id:30502 — Distributed energy infrastructure unlocking grid power to data centers
- [Nodus Compute](https://lemstudio.co/yc-companies/nodus-compute-35257) — **Nodus Compute** · YC Fall 2026 · B2B · Active · team 2 · yc_id:35257 — Intelligent Cloud for AI workloads
- [noHQ](https://lemstudio.co/yc-companies/nohq-22773) — **noHQ** · YC Winter 2021 · B2B, Human Resources · Inactive · team 2 · yc_id:22773 — International contractor and multi country payroll 
- [Noloco](https://lemstudio.co/yc-companies/noloco-24562) — **Noloco** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 15 · yc_id:24562 — Flexible Business Apps for Modern Teams
- [Nomba](https://lemstudio.co/yc-companies/nomba-1527) — **Nomba** · YC Winter 2017 · Fintech, Payments · Active · team 200 · yc_id:1527 — Banking and payments for businesses in Africa
- [Nomi](https://lemstudio.co/yc-companies/nomi-30476) — **Nomi** · YC Spring 2025 · B2B, Sales · Active · team 5 · yc_id:30476 — Realtime Sales Copilot
- [Nomic Bio](https://lemstudio.co/yc-companies/nomic-bio-13506) — **Nomic Bio** · YC Winter 2020 · Healthcare, Diagnostics · Active · team 100 · yc_id:13506 — Nomic is doing for proteins what Illumina has done for DNA
- [Nomiku](https://lemstudio.co/yc-companies/nomiku-852) — **Nomiku** · YC Winter 2015 · Consumer, Home and Personal · Inactive · team 11 · yc_id:852 — Wave our food in front of your Nomiku and have dinner for everyone…
- [Nomod](https://lemstudio.co/yc-companies/nomod-24579) — **Nomod** · YC Summer 2021 · Fintech, Payments · Active · team 68 · yc_id:24579 — The UAE’s leading small business payments platform
- [Nonu](https://lemstudio.co/yc-companies/nonu-12629) — **Nonu** · YC Summer 2019 · Healthcare, Consumer Health and Wellness · Inactive · team 10 · yc_id:12629 — We deliver hair loss medicines for Indian men on a subscription basis.
- [Noora Health](https://lemstudio.co/yc-companies/noora-health-585) — **Noora Health** · YC Winter 2014 · Healthcare · Active · team 500 · yc_id:585 — Training patients and their families with health skills
- [Nophin](https://lemstudio.co/yc-companies/nophin-25921) — **Nophin** · YC Winter 2022 · Fintech · Inactive · team 5 · yc_id:25921 — AI Deal Screening Analyst for Commercial Real Estate Acquisitions
- [Nori](https://lemstudio.co/yc-companies/nori-32553) — **Nori** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 5 · yc_id:32553 — The most capable American-made humanoid robot for $1,688
- [Nori](https://lemstudio.co/yc-companies/nori-30657) — **Nori** · YC Fall 2025 · Healthcare, Consumer Health and Wellness · Active · team 3 · yc_id:30657 — AI health coach in your pocket
- [Normal](https://lemstudio.co/yc-companies/normal-30697) — **Normal** · YC Summer 2025 · Industrials · Active · team 2 · yc_id:30697 — Testing and certifying the hardware of the future
- [Norra](https://lemstudio.co/yc-companies/norra-30868) — **Norra** · YC Fall 2025 · Healthcare · Active · team 3 · yc_id:30868 — The AI equipment manager for post-acute care
- [North](https://lemstudio.co/yc-companies/north-475) — **North** · YC Winter 2013 · Consumer, Virtual and Augmented Reality · Acquired · team 51 · yc_id:475 — Wearable computing hardware: biosignal gesture recognition
- [Northwind](https://lemstudio.co/yc-companies/northwind-25086) — **Northwind** · YC Winter 2022 · Healthcare, Healthcare Services · Inactive · team 6 · yc_id:25086 — Tele-dermatology for chronic skin conditions 
- [NOSO LABS](https://lemstudio.co/yc-companies/noso-labs-30795) — **NOSO LABS** · YC Summer 2025 · Industrials · Active · team 6 · yc_id:30795 — AGI for home service
- [Notabene](https://lemstudio.co/yc-companies/notabene-22004) — **Notabene** · YC Summer 2020 · B2B, Security · Active · team 47 · yc_id:22004 — The Notabene platform is the trust layer for global money movement.
- [Notable Labs](https://lemstudio.co/yc-companies/notable-labs-739) — **Notable Labs** · YC Winter 2015 · Healthcare, Diagnostics · Public · team 40 · yc_id:739 — Personalized drug discovery for blood cancer.
- [Notebook Labs](https://lemstudio.co/yc-companies/notebook-labs-26779) — **Notebook Labs** · YC Summer 2022 · B2B · Inactive · team 3 · yc_id:26779 — Decentralized, anonymous, and accountable identity on Web3.
- [Notifo](https://lemstudio.co/yc-companies/notifo-238) — **Notifo** · YC Winter 2010 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:238
- [Nototo](https://lemstudio.co/yc-companies/nototo-21813) — **Nototo** · YC Summer 2020 · B2B, Productivity · Inactive · team 3 · yc_id:21813 — A workspace with a spatial interface
- [Notte](https://lemstudio.co/yc-companies/notte-30756) — **Notte** · YC Summer 2025 · B2B · Active · team 5 · yc_id:30756 — Browser infra for AI agents: sessions, auth, proxies, payments
- [Notus Autonomous Systems](https://lemstudio.co/yc-companies/notus-autonomous-systems-30409) — **Notus Autonomous Systems** · YC Spring 2025 · Industrials, Aviation and Space · Active · team 3 · yc_id:30409 — Arbitrary size interference resistant drone swarms using EHF radios
- [Nourish](https://lemstudio.co/yc-companies/nourish-22699) — **Nourish** · YC Winter 2021 · Healthcare · Active · team 250 · yc_id:22699 — Telehealth dietitians covered by insurance
- [Nova](https://lemstudio.co/yc-companies/nova-1084) — **Nova** · YC Winter 2016 · B2B, Sales · Acquired · team 11 · yc_id:1084 — Nova puts the power of AI to work for you, enabling a more continuous…
- [Nova](https://lemstudio.co/yc-companies/nova-2002) — **Nova** · YC Summer 2018 · Fintech · Acquired · team 12 · yc_id:2002 — Digital subscriptions that delight investors.
- [Nova Credit](https://lemstudio.co/yc-companies/nova-credit-1225) — **Nova Credit** · YC Summer 2016 · Fintech, Credit and Lending · Active · team 100 · yc_id:1225 — Bridging a world of consumer-permissioned credit data
- [Novaflow](https://lemstudio.co/yc-companies/novaflow-30709) — **Novaflow** · YC Summer 2025 · Healthcare · Active · team 4 · yc_id:30709 — The AI data analyst for biology labs
- [Novatr](https://lemstudio.co/yc-companies/novatr-24653) — **Novatr** · YC Summer 2021 · Education · Active · team 180 · yc_id:24653 — Online cohort based courses for architects, engineers and designers…
- [Novel](https://lemstudio.co/yc-companies/novel-21829) — **Novel** · YC Summer 2020 · Fintech, Banking and Exchange · Active · team 15 · yc_id:21829 — Novel is your international business bank account
- [Novelcare](https://lemstudio.co/yc-companies/novelcare-27696) — **Novelcare** · YC Winter 2023 · Healthcare, Drug Discovery and Delivery · Active · team 5 · yc_id:27696 — Empowering every doctor and every patient to participate in research
- [Novig](https://lemstudio.co/yc-companies/novig-26754) — **Novig** · YC Summer 2022 · Consumer, Gaming · Active · team 55 · yc_id:26754 — America's #1 Sports Trading App
- [Novoflow](https://lemstudio.co/yc-companies/novoflow-30491) — **Novoflow** · YC Spring 2025 · Healthcare, Healthcare Services · Active · team 6 · yc_id:30491 — Computer-using agents for healthcare operations
- [Nowadays](https://lemstudio.co/yc-companies/nowadays-29119) — **Nowadays** · YC Summer 2023 · B2B, Operations · Active · team 6 · yc_id:29119 — AI-native platform for corporate meetings and events
- [NowHouse](https://lemstudio.co/yc-companies/nowhouse-29515) — **NowHouse** · YC Winter 2024 · Fintech · Active · yc_id:29515 — NowHouse helps stock brokerages settle trades instantly.
- [Nowmov](https://lemstudio.co/yc-companies/nowmov-220) — **Nowmov** · YC Winter 2010 · Consumer, Content · Acquired · yc_id:220
- [Nowports](https://lemstudio.co/yc-companies/nowports-12237) — **Nowports** · YC Winter 2019 · B2B, Supply Chain and Logistics · Active · team 550 · yc_id:12237 — The core engine of supply chain in LATAM
- [Nox Metals](https://lemstudio.co/yc-companies/nox-metals-30818) — **Nox Metals** · YC Summer 2025 · Industrials, Manufacturing and Robotics · Active · team 35 · yc_id:30818 — Supplying America's Industrial Base
- [Noya](https://lemstudio.co/yc-companies/noya-22780) — **Noya** · YC Winter 2021 · Industrials, Climate · Inactive · team 7 · yc_id:22780 — Radically reducing capital costs and build time for direct air capture
- [Noya Software](https://lemstudio.co/yc-companies/noya-software-27958) — **Noya Software** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:27958 — Product design tool that lets everyone design like a designer
- [Nozomio](https://lemstudio.co/yc-companies/nozomio-30700) — **Nozomio** · YC Summer 2025 · Consumer · Active · team 3 · yc_id:30700 — product lab. focused on personal ai and context.
- [nsave](https://lemstudio.co/yc-companies/nsave-27094) — **nsave** · YC Summer 2022 · Fintech · Active · team 20 · yc_id:27094 — Trusted $€£ accounts abroad for people from unstable economies.
- [Nuanced](https://lemstudio.co/yc-companies/nuanced-29249) — **Nuanced** · YC Winter 2024 · Consumer · Active · team 2 · yc_id:29249 — the AI coding app for thinking. 
- [Nucleo](https://lemstudio.co/yc-companies/nucleo-30933) — **Nucleo** · YC Fall 2025 · Healthcare · Active · team 2 · yc_id:30933 — The first Agentic platform for Oncology
- [NuCypher (aka Threshold Network)](https://lemstudio.co/yc-companies/nucypher-aka-threshold-network-1183) — **NuCypher (aka Threshold Network)** · YC Summer 2016 · B2B · Inactive · team 10 · yc_id:1183 — Network for decentralized threshold cryptography and end-to-end…
- [NudgePad](https://lemstudio.co/yc-companies/nudgepad-257) — **NudgePad** · YC Summer 2009 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:257 — Online IDE. We joined Microsoft in 2014.
- [Nugget](https://lemstudio.co/yc-companies/nugget-13076) — **Nugget** · YC Winter 2020 · Consumer, Content · Inactive · team 2 · yc_id:13076
- [Null Labs](https://lemstudio.co/yc-companies/null-labs-30631) — **Null Labs** · YC Fall 2025 · Industrials, Defense · Active · team 2 · yc_id:30631 — End-to-end Simulation for Defense Autonomy
- [Nullstone](https://lemstudio.co/yc-companies/nullstone-25779) — **Nullstone** · YC Winter 2022 · B2B, Infrastructure · Active · team 2 · yc_id:25779 — An easier way to deploy and manage cloud apps
- [Numen](https://lemstudio.co/yc-companies/numen-28891) — **Numen** · YC Summer 2023 · Healthcare, Diagnostics · Active · team 18 · yc_id:28891 — Engineering a future without cancer deaths.
- [Numeral](https://lemstudio.co/yc-companies/numeral-27735) — **Numeral** · YC Winter 2023 · B2B, Finance and Accounting · Active · team 110 · yc_id:27735 — The AI-native sales tax solution.
- [numericcal, inc.](https://lemstudio.co/yc-companies/numericcal-inc-1897) — **numericcal, inc.** · YC Summer 2018 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:1897 — Distributed AI for Industrial Process Monitoring and Optimization.
- [Numerion Labs](https://lemstudio.co/yc-companies/numerion-labs-756) — **Numerion Labs** · YC Winter 2015 · Healthcare, Drug Discovery and Delivery · Active · team 67 · yc_id:756 — Artificial intelligence for drug discovery.
- [Numero](https://lemstudio.co/yc-companies/numero-12297) — **Numero** · YC Winter 2019 · Fintech · Active · team 15 · yc_id:12297 — Modern fundraising software for political campaigns and nonprofits.
- [Numida](https://lemstudio.co/yc-companies/numida-25876) — **Numida** · YC Winter 2022 · Fintech, Credit and Lending · Active · team 115 · yc_id:25876 — Working capital for African micro businesses
- [NuMind](https://lemstudio.co/yc-companies/numind-26750) — **NuMind** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:26750 — Create custom NLP models
- [Nuntius](https://lemstudio.co/yc-companies/nuntius-30643) — **Nuntius** · YC Summer 2025 · B2B, Infrastructure · Inactive · team 2 · yc_id:30643 — Making Models Follow Rules.
- [Nuntius Therapeutics](https://lemstudio.co/yc-companies/nuntius-therapeutics-23522) — **Nuntius Therapeutics** · YC Winter 2021 · Healthcare, Therapeutics · Active · team 2 · yc_id:23522 — Cell-specific genetic medicines
- [nunu.ai](https://lemstudio.co/yc-companies/nunu-ai-27964) — **nunu.ai** · YC Winter 2023 · Consumer, Gaming · Active · team 5 · yc_id:27964 — Building the first multimodal agents to play and test games.
- [NURX](https://lemstudio.co/yc-companies/nurx-1067) — **NURX** · YC Winter 2016 · Healthcare, Consumer Health and Wellness · Acquired · team 300 · yc_id:1067 — Medicine or testing kit, prescribed online and delivered to your door.
- [Nutrigene](https://lemstudio.co/yc-companies/nutrigene-1820) — **Nutrigene** · YC Winter 2018 · Consumer, Food and Beverage · Inactive · yc_id:1820 — Personalized liquid supplements based your health data
- [Nuvocargo](https://lemstudio.co/yc-companies/nuvocargo-1778) — **Nuvocargo** · YC Winter 2018 · B2B, Supply Chain and Logistics · Active · team 100 · yc_id:1778 — Your AI partner for North America truckload freight
- [Nuvola](https://lemstudio.co/yc-companies/nuvola-1468) — **Nuvola** · YC Winter 2017 · Industrials, Energy · Active · team 4 · yc_id:1468 — Nuvola is transforming battery manufacturing, making EV batteries…
- [Nxtcure Labs](https://lemstudio.co/yc-companies/nxtcure-labs-31490) — **Nxtcure Labs** · YC Fall 2026 · Healthcare, Therapeutics · Active · yc_id:31490 — The full-stack AI CRO for drug discovery.
- [Nyckel](https://lemstudio.co/yc-companies/nyckel-25358) — **Nyckel** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:25358 — Classify Anything
- [o11](https://lemstudio.co/yc-companies/o11-31230) — **o11** · YC Winter 2026 · B2B, Finance and Accounting · Active · team 2 · yc_id:31230 — The AI Data Warehouse For Financial Firms
- [Oasive](https://lemstudio.co/yc-companies/oasive-35396) — **Oasive** · YC Fall 2026 · Fintech, Asset Management · Active · team 1 · yc_id:35396 — Helping bond investors find what's rich or cheap, and why
- [Obento Health](https://lemstudio.co/yc-companies/obento-health-28853) — **Obento Health** · YC Summer 2023 · Healthcare, Medical Devices · Active · team 2 · yc_id:28853 — CRM Co-Pilot for Medtech Sales
- [Obie](https://lemstudio.co/yc-companies/obie-12600) — **Obie** · YC Summer 2019 · Real Estate and Construction, Housing and Real Estate · Acquired · team 120 · yc_id:12600 — Moving Investment Property Insurance Forward
- [Observa](https://lemstudio.co/yc-companies/observa-22698) — **Observa** · YC Winter 2021 · B2B, Security · Inactive · team 1 · yc_id:22698 — Catch accidental database exposures before the bad guys
- [Observant AI](https://lemstudio.co/yc-companies/observant-ai-1739) — **Observant AI** · YC Winter 2018 · B2B, Operations · Active · team 5 · yc_id:1739 — iPhone-based driver monitoring for commercial fleets.
- [Observe.AI](https://lemstudio.co/yc-companies/observe-ai-1859) — **Observe.AI** · YC Winter 2018 · B2B, Sales · Active · team 240 · yc_id:1859 — Contact center AI platform.
- [Ochre Bio](https://lemstudio.co/yc-companies/ochre-bio-13672) — **Ochre Bio** · YC Winter 2020 · Healthcare, Therapeutics · Active · team 50 · yc_id:13672 — RNA medicines for liver diseases
- [OctaPulse](https://lemstudio.co/yc-companies/octapulse-31141) — **OctaPulse** · YC Winter 2026 · Industrials, Climate · Active · team 2 · yc_id:31141 — CV and robotics to automate quality inspection in fish farms
- [OctaveWealth](https://lemstudio.co/yc-companies/octavewealth-432) — **OctaveWealth** · YC Summer 2012 · B2B, Human Resources · Active · team 2 · yc_id:432 — The 401(k) that helps you grow
- [OctiFi](https://lemstudio.co/yc-companies/octifi-22797) — **OctiFi** · YC Winter 2021 · Fintech, Consumer Finance · Acquired · team 11 · yc_id:22797 — Buy Now Pay Later for Southeast Asia
- [Octolane AI](https://lemstudio.co/yc-companies/octolane-ai-29294) — **Octolane AI** · YC Winter 2024 · B2B, Sales · Active · team 4 · yc_id:29294 — Revenue Superintelligence
- [Octopart](https://lemstudio.co/yc-companies/octopart-346) — **Octopart** · YC Winter 2007 · Industrials, Manufacturing and Robotics · Acquired · team 11 · yc_id:346 — Octopart is a search engine for electronic components
- [Ocular AI](https://lemstudio.co/yc-companies/ocular-ai-29442) — **Ocular AI** · YC Winter 2024 · B2B · Active · team 8 · yc_id:29442 — Applied AI Data Research Lab Encoding Human Expertise into Machines…
- [Oda](https://lemstudio.co/yc-companies/oda-13472) — **Oda** · YC Winter 2020 · B2B, Marketing · Active · team 9 · yc_id:13472 — AI Agent for Home Design
- [Oddpool](https://lemstudio.co/yc-companies/oddpool-31429) — **Oddpool** · YC Spring 2026 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:31429 — Institutional infrastructure for prediction markets
- [OddsView](https://lemstudio.co/yc-companies/oddsview-29473) — **OddsView** · YC Winter 2024 · Consumer · Active · team 5 · yc_id:29473 — The Bloomberg Terminal of Sports Betting
- [Odeko](https://lemstudio.co/yc-companies/odeko-12565) — **Odeko** · YC Summer 2019 · B2B · Active · team 371 · yc_id:12565 — Our operations software makes it easier to run--and grow--your cafe
- [Odigos Technologies Inc.](https://lemstudio.co/yc-companies/odigos-technologies-inc-27965) — **Odigos Technologies Inc.** · YC Winter 2023 · B2B, Infrastructure · Active · team 16 · yc_id:27965 — Enterprise-Grade OpenTelemetry
- [Odin](https://lemstudio.co/yc-companies/odin-12911) — **Odin** · YC Summer 2019 · Consumer, Content · Inactive · team 4 · yc_id:12911 — Save, organize and showcase your mental dump
- [Odo](https://lemstudio.co/yc-companies/odo-29795) — **Odo** · YC Summer 2024 · B2B · Active · team 2 · yc_id:29795 — Your email assistant because you deserve a better morning
- [ODWEN](https://lemstudio.co/yc-companies/odwen-24053) — **ODWEN** · YC Summer 2021 · B2B, Supply Chain and Logistics · Active · team 21 · yc_id:24053 — AirBnB for Small Warehouses
- [Odys Aviation](https://lemstudio.co/yc-companies/odys-aviation-23947) — **Odys Aviation** · YC Summer 2021 · Industrials, Aviation and Space · Active · team 11 · yc_id:23947 — Vertical takeoff and landing aircraft for major airlines
- [Offbeast](https://lemstudio.co/yc-companies/offbeast-26118) — **Offbeast** · YC Winter 2022 · Consumer, Food and Beverage · Active · team 15 · yc_id:26118 — We make plant-based steaks with an authentic texture
- [OffDeal](https://lemstudio.co/yc-companies/offdeal-29390) — **OffDeal** · YC Winter 2024 · B2B · Active · team 15 · yc_id:29390 — AI-native investment bank for small businesses
- [Officely](https://lemstudio.co/yc-companies/officely-1682) — **Officely** · YC Summer 2017 · B2B, Office Management · Active · team 3 · yc_id:1682 — Office management software for hybrid workspaces
- [Offstream](https://lemstudio.co/yc-companies/offstream-29675) — **Offstream** · YC Summer 2024 · B2B · Active · team 10 · yc_id:29675 — Vanta for carbon compliance
- [OfOne](https://lemstudio.co/yc-companies/ofone-27815) — **OfOne** · YC Winter 2023 · B2B · Acquired · team 5 · yc_id:27815 — AI-powered order taker for restaurant drive-thrus
- [OhLife](https://lemstudio.co/yc-companies/ohlife-283) — **OhLife** · YC Summer 2008 · Consumer, Content · Inactive · team 2 · yc_id:283
- [Ohm](https://lemstudio.co/yc-companies/ohm-924) — **Ohm** · YC Summer 2015 · Industrials, Climate · Inactive · yc_id:924 — Never jump start your car again.
- [Ohm](https://lemstudio.co/yc-companies/ohm-27762) — **Ohm** · YC Winter 2023 · Industrials · Active · team 7 · yc_id:27762 — Ohm helps engineering teams accelerate hardware development & testing.
- [Ohmic Biosciences](https://lemstudio.co/yc-companies/ohmic-biosciences-28794) — **Ohmic Biosciences** · YC Summer 2023 · Industrials, Agriculture · Active · team 2 · yc_id:28794 — Genetically engineering plants for disease resistance.
- [Oico](https://lemstudio.co/yc-companies/oico-21984) — **Oico** · YC Summer 2020 · B2B, Operations · Inactive · team 35 · yc_id:21984 — B2B marketplace for construction material in Brazil.
- [Okani](https://lemstudio.co/yc-companies/okani-24254) — **Okani** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · team 3 · yc_id:24254 — Preventive healthcare app for Latam.
- [Okay](https://lemstudio.co/yc-companies/okay-13075) — **Okay** · YC Winter 2020 · B2B, Productivity · Acquired · team 4 · yc_id:13075 — Dashboards and actionable insights for high-performing engineering…
- [OkCredit](https://lemstudio.co/yc-companies/okcredit-2032) — **OkCredit** · YC Summer 2018 · Fintech, Payments · Active · team 70 · yc_id:2032 — Simple and secure bookkeeping for Indian businesses.
- [Oki](https://lemstudio.co/yc-companies/oki-30242) — **Oki** · YC Winter 2025 · Consumer · Active · team 6 · yc_id:30242 — The memory computer for your digital life.
- [Okibi](https://lemstudio.co/yc-companies/okibi-30768) — **Okibi** · YC Summer 2025 · B2B · Active · team 2 · yc_id:30768 — Turns products into CLIs and agents into customers
- [Oklo](https://lemstudio.co/yc-companies/oklo-731) — **Oklo** · YC Summer 2014 · Industrials, Energy · Public · team 50 · yc_id:731 — Emission free, always on power from advanced fission power plants.
- [Okteto](https://lemstudio.co/yc-companies/okteto-12032) — **Okteto** · YC Winter 2019 · B2B, Infrastructure · Active · team 30 · yc_id:12032 — Cloud Development Environments with one click
- [OlaClick](https://lemstudio.co/yc-companies/olaclick-23366) — **OlaClick** · YC Winter 2021 · Consumer, Food and Beverage · Active · team 30 · yc_id:23366 — Restaurant Solution (E-commerce via WhatsApp + POS + CRM/Marketing)
- [Olam Labs](https://lemstudio.co/yc-companies/olam-labs-32130) — **Olam Labs** · YC Summer 2026 · B2B · Active · team 2 · yc_id:32130 — Building multi-agent simulations for model evals and training.
- [Olark](https://lemstudio.co/yc-companies/olark-249) — **Olark** · YC Summer 2009 · B2B, Retail · Active · team 15 · yc_id:249 — Olark gives you an AI agent that works your marketing funnel 24/7
- [Ole](https://lemstudio.co/yc-companies/ole-25592) — **Ole** · YC Winter 2022 · Consumer · Inactive · team 10 · yc_id:25592 — Fashion shopping with delivery and return on demand
- [Olio Labs](https://lemstudio.co/yc-companies/olio-labs-29128) — **Olio Labs** · YC Summer 2023 · Healthcare, Drug Discovery and Delivery · Active · team 5 · yc_id:29128 — Combination therapeutics for the world's toughest diseases
- [Olive](https://lemstudio.co/yc-companies/olive-30255) — **Olive** · YC Winter 2025 · B2B · Active · team 2 · yc_id:30255 — Build internal tools with AI
- [Ollama](https://lemstudio.co/yc-companies/ollama-23634) — **Ollama** · YC Winter 2021 · B2B, Infrastructure · Active · yc_id:23634 — Get up and running with large language models.
- [Olympian Motors](https://lemstudio.co/yc-companies/olympian-motors-26050) — **Olympian Motors** · YC Winter 2022 · Industrials, Automotive · Active · team 10 · yc_id:26050 — Next-generation, modular electric vehicles
- [Oma Care](https://lemstudio.co/yc-companies/oma-care-29413) — **Oma Care** · YC Winter 2024 · Healthcare, Healthcare Services · Active · team 2 · yc_id:29413 — Get paid for taking care of your parents. 
- [Omanta](https://lemstudio.co/yc-companies/omanta-32623) — **Omanta** · YC Summer 2026 · Healthcare · Active · team 6 · yc_id:32623 — A research lab for one
- [OMG Digital](https://lemstudio.co/yc-companies/omg-digital-1297) — **OMG Digital** · YC Summer 2016 · Consumer, Content · Active · team 2 · yc_id:1297 — Content discovery platform for Africa
- [OMGPop](https://lemstudio.co/yc-companies/omgpop-357) — **OMGPop** · YC Summer 2006 · Consumer, Gaming · Acquired · team 11 · yc_id:357 — An independent flash game studio.
- [Omnara](https://lemstudio.co/yc-companies/omnara-30722) — **Omnara** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:30722 — The Open-Source Alternative to Claude Managed Agents
- [Omni](https://lemstudio.co/yc-companies/omni-21900) — **Omni** · YC Summer 2020 · B2B, Productivity · Acquired · team 5 · yc_id:21900 — Fast, up-to-date answers for Sales & Support
- [omnidock](https://lemstudio.co/yc-companies/omnidock-29822) — **omnidock** · YC Summer 2024 · B2B, Operations · Active · team 1 · yc_id:29822 — OS for global e-commerce expansion of brands & manufacturers
- [Omniref](https://lemstudio.co/yc-companies/omniref-775) — **Omniref** · YC Winter 2015 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:775 — Sticky notes for code.

(We're building a community-powered,…
- [Omnisio](https://lemstudio.co/yc-companies/omnisio-310) — **Omnisio** · YC Winter 2008 · Consumer, Content · Acquired · yc_id:310 — Edit and enhance online video. Acquired by Google in July 2008.
- [Omnistrate](https://lemstudio.co/yc-companies/omnistrate-27813) — **Omnistrate** · YC Winter 2023 · B2B · Active · team 15 · yc_id:27813 — Build your control plane to deploy your product in your customer VPC…
- [OmniVirt](https://lemstudio.co/yc-companies/omnivirt-398) — **OmniVirt** · YC Summer 2012 · B2B, Marketing · Acquired · team 15 · yc_id:398 — OmniVirt is the leading VR Advertising platform for brands and…
- [Omoi (formerly Azuki)](https://lemstudio.co/yc-companies/omoi-formerly-azuki-25571) — **Omoi (formerly Azuki)** · YC Winter 2022 · Consumer, Content · Active · team 3 · yc_id:25571 — Japanese comic subscription service
- [Onboard.io](https://lemstudio.co/yc-companies/onboard-io-26266) — **Onboard.io** · YC Winter 2022 · B2B, Productivity · Active · team 6 · yc_id:26266 — Manage & automate customer onboarding and implementation
- [Oncobox](https://lemstudio.co/yc-companies/oncobox-1665) — **Oncobox** · YC Summer 2017 · Healthcare, Diagnostics · Active · team 11 · yc_id:1665 — Finding the right cancer drug for each patient. 
- [OnDeck AI](https://lemstudio.co/yc-companies/ondeck-ai-30652) — **OnDeck AI** · YC Summer 2025 · B2B, Analytics · Active · team 7 · yc_id:30652 — Analyze any footage, without training a model
- [One Codex](https://lemstudio.co/yc-companies/one-codex-734) — **One Codex** · YC Summer 2014 · Healthcare, Healthcare IT · Acquired · team 16 · yc_id:734 — Data platform for metagenomics and the microbiome.
- [One Degree](https://lemstudio.co/yc-companies/one-degree-608) — **One Degree** · YC Winter 2014 · Unspecified · Active · team 14 · yc_id:608 — One Degree is a nonprofit organization that makes it easy for…
- [One Month](https://lemstudio.co/yc-companies/one-month-548) — **One Month** · YC Summer 2013 · Education · Inactive · team 1 · yc_id:548 — One Month's affordable online bootcamps teach people how to code in…
- [One Robot](https://lemstudio.co/yc-companies/one-robot-31081) — **One Robot** · YC Winter 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:31081 — World models for robot evals and training.
- [Onebrief](https://lemstudio.co/yc-companies/onebrief-24230) — **Onebrief** · YC Summer 2021 · B2B · Active · team 200 · yc_id:24230 — Onebrief makes military headquarters run seamlessly
- [OneChronos](https://lemstudio.co/yc-companies/onechronos-1226) — **OneChronos** · YC Summer 2016 · Fintech, Banking and Exchange · Active · team 75 · yc_id:1226 — The Smart Market for Institutional Investors
- [OneCLI](https://lemstudio.co/yc-companies/onecli-33320) — **OneCLI** · YC Summer 2026 · B2B, Productivity · Active · yc_id:33320 — The open source AI teammates for your company.
- [onederful](https://lemstudio.co/yc-companies/onederful-1762) — **onederful** · YC Winter 2018 · Healthcare, Healthcare IT · Acquired · team 2 · yc_id:1762 — Dental Insurance API
- [OneFin](https://lemstudio.co/yc-companies/onefin-1540) — **OneFin** · YC Winter 2017 · Fintech, Credit and Lending · Active · team 50 · yc_id:1540 — Shopify for Financial Services
- [OneGraph](https://lemstudio.co/yc-companies/onegraph-1947) — **OneGraph** · YC Summer 2018 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:1947 — GraphQL API to connect all of the internet's APIs. Join us at Netlify!
- [OneGrep](https://lemstudio.co/yc-companies/onegrep-29312) — **OneGrep** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29312 — AI Agent for DevOps Workflow Automation
- [OneKey](https://lemstudio.co/yc-companies/onekey-22052) — **OneKey** · YC Summer 2020 · Fintech, Consumer Finance · Inactive · team 3 · yc_id:22052 — Find the most profitable sites to build EV charging station
- [Oneleet](https://lemstudio.co/yc-companies/oneleet-27162) — **Oneleet** · YC Summer 2022 · B2B, Security · Active · team 75 · yc_id:27162 — YC's most popular security compliance platform (SOC 2, ISO 27001,…
- [OneLocal](https://lemstudio.co/yc-companies/onelocal-1673) — **OneLocal** · YC Summer 2017 · B2B, Retail · Active · team 90 · yc_id:1673 — OneLocal is a CRM for local businesses.
- [OnePatch](https://lemstudio.co/yc-companies/onepatch-35260) — **OnePatch** · YC Fall 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:35260 — Automate on-call at agent-scale.
- [OneSchema](https://lemstudio.co/yc-companies/oneschema-24404) — **OneSchema** · YC Summer 2021 · B2B, Operations · Active · team 20 · yc_id:24404 — The AI Cowork for big data
- [OneShop](https://lemstudio.co/yc-companies/oneshop-24843) — **OneShop** · YC Summer 2021 · Consumer · Inactive · team 10 · yc_id:24843 — List on multiple resale marketplaces
- [OneSignal](https://lemstudio.co/yc-companies/onesignal-76) — **OneSignal** · YC Summer 2011 · B2B, Marketing · Active · team 150 · yc_id:76 — Engage customers through personalized omni-channel messaging
- [OneStop](https://lemstudio.co/yc-companies/onestop-30686) — **OneStop** · YC Summer 2025 · Consumer · Active · team 2 · yc_id:30686 — The local internet for NYC.
- [OneStopKitchen](https://lemstudio.co/yc-companies/onestopkitchen-24302) — **OneStopKitchen** · YC Summer 2021 · Consumer, Food and Beverage · Inactive · team 10 · yc_id:24302 — AI-Driven Tech & Space Optimization to Scale Restaurants
- [OneText](https://lemstudio.co/yc-companies/onetext-27674) — **OneText** · YC Winter 2023 · Fintech, Payments · Active · team 6 · yc_id:27674 — Frictionless payments via SMS
- [onetool](https://lemstudio.co/yc-companies/onetool-13310) — **onetool** · YC Winter 2020 · B2B, Operations · Inactive · team 9 · yc_id:13310 — App-Store for SaaS: one invoice, one user management, one login.
- [OneTriangle](https://lemstudio.co/yc-companies/onetriangle-31074) — **OneTriangle** · YC Summer 2026 · B2B, Infrastructure · Active · team 4 · yc_id:31074 — The cheapest, fastest inference cloud
- [Onfolk](https://lemstudio.co/yc-companies/onfolk-24544) — **Onfolk** · YC Summer 2021 · B2B, Human Resources · Acquired · team 4 · yc_id:24544 — Gusto for the UK
- [Onlook](https://lemstudio.co/yc-companies/onlook-29999) — **Onlook** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:29999 — Cursor for Designers
- [Onshore](https://lemstudio.co/yc-companies/onshore-27949) — **Onshore** · YC Winter 2023 · B2B, Finance and Accounting · Active · team 60 · yc_id:27949 — AI for corporate tax
- [Onsite Pro](https://lemstudio.co/yc-companies/onsite-pro-24580) — **Onsite Pro** · YC Summer 2021 · B2B · Inactive · team 4 · yc_id:24580 — Revolutionizing digital selling within HVAC
- [Ontop](https://lemstudio.co/yc-companies/ontop-23238) — **Ontop** · YC Winter 2021 · B2B · Active · team 186 · yc_id:23238 — Simplifying hiring and payments for the global workforce
- [Ontora](https://lemstudio.co/yc-companies/ontora-31428) — **Ontora** · YC Spring 2026 · B2B, Operations · Active · team 3 · yc_id:31428 — AI agents that interviews every employee to hand context to AI tools. 
- [Ontra Mobility](https://lemstudio.co/yc-companies/ontra-mobility-29724) — **Ontra Mobility** · YC Summer 2024 · Government · Active · team 2 · yc_id:29724 — Platform for cities to optimize transit 
- [Onward](https://lemstudio.co/yc-companies/onward-29124) — **Onward** · YC Summer 2023 · B2B, Productivity · Inactive · yc_id:29124 — Intelligent meeting automation for ambitious teams.
- [Onyx](https://lemstudio.co/yc-companies/onyx-29177) — **Onyx** · YC Winter 2024 · B2B, Productivity · Acquired · team 20 · yc_id:29177 — Open Source AI Chat
- [Onyx Private](https://lemstudio.co/yc-companies/onyx-private-25401) — **Onyx Private** · YC Winter 2022 · Fintech · Acquired · team 10 · yc_id:25401 — A modern and more accessible private bank for the new generation 
- [Ooak Data](https://lemstudio.co/yc-companies/ooak-data-32554) — **Ooak Data** · YC Summer 2026 · B2B · Active · team 5 · yc_id:32554 — We turn company data into training data
- [Oolu](https://lemstudio.co/yc-companies/oolu-926) — **Oolu** · YC Summer 2015 · Industrials, Energy · Acquired · team 230 · yc_id:926 — Oolu is one of the fastest growing off-grid solar firms in West Africa
- [Opalite Health](https://lemstudio.co/yc-companies/opalite-health-31163) — **Opalite Health** · YC Winter 2026 · Healthcare · Active · team 3 · yc_id:31163 — Helping Healthcare Providers Speak Any Language 
- [Opearlo](https://lemstudio.co/yc-companies/opearlo-1675) — **Opearlo** · YC Summer 2017 · Consumer, Content · Acquired · team 2 · yc_id:1675 — Opearlo produces voice apps for Amazon Alexa and Google Home.
- [Open](https://lemstudio.co/yc-companies/open-29360) — **Open** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 21 · yc_id:29360 — Enterprise AI customer support
- [Open Listings](https://lemstudio.co/yc-companies/open-listings-777) — **Open Listings** · YC Winter 2015 · Real Estate and Construction, Housing and Real Estate · Acquired · team 48 · yc_id:777 — A better way to buy a home
- [Open Motors](https://lemstudio.co/yc-companies/open-motors-1026) — **Open Motors** · YC Winter 2016 · Industrials, Automotive · Inactive · team 11 · yc_id:1026 — Open Motors (formerly OSVehicle) is a B2B company that is developing…
- [Openbase](https://lemstudio.co/yc-companies/openbase-13159) — **Openbase** · YC Summer 2020 · B2B, Engineering, Product and Design · Inactive · yc_id:13159 — Open-source library discovery
- [Openbenchmarks](https://lemstudio.co/yc-companies/openbenchmarks-30033) — **Openbenchmarks** · YC Fall 2024 · B2B, Marketing · Active · team 4 · yc_id:30033 — We help humans & agents pick tools via Independent Benchmarks
- [OpenBiome](https://lemstudio.co/yc-companies/openbiome-13434) — **OpenBiome** · YC Winter 2020 · Healthcare, Therapeutics · Active · team 70 · yc_id:13434 — A nonprofit stool bank enabling access to fecal transplants.
- [Opencall](https://lemstudio.co/yc-companies/opencall-29394) — **Opencall** · YC Winter 2024 · B2B · Active · team 7 · yc_id:29394 — Practice admin run by AI
- [OpenCode](https://lemstudio.co/yc-companies/opencode-22986) — **OpenCode** · YC Winter 2021 · B2B, Infrastructure · Active · team 24 · yc_id:22986 — The open source AI coding agent
- [OpenCurriculum](https://lemstudio.co/yc-companies/opencurriculum-642) — **OpenCurriculum** · YC Winter 2014 · Unspecified · Active · yc_id:642 — Helping K-12 teachers and school administrators build awesome…
- [OpenHack](https://lemstudio.co/yc-companies/openhack-37864) — **OpenHack** · YC Fall 2026 · B2B, Security · Active · team 1 · yc_id:37864 — Always-on AI security engineer
- [OpenInt](https://lemstudio.co/yc-companies/openint-28096) — **OpenInt** · YC Winter 2023 · B2B, Analytics · Acquired · team 4 · yc_id:28096 — Open Source Embedded Product Integrations
- [OpenIntake](https://lemstudio.co/yc-companies/openintake-30297) — **OpenIntake** · YC Winter 2025 · B2B, Legal · Active · team 2 · yc_id:30297 — The AI Front Door For Law Firms
- [OpenInvest](https://lemstudio.co/yc-companies/openinvest-870) — **OpenInvest** · YC Summer 2015 · Fintech · Acquired · team 110 · yc_id:870 — Values based personalization at scale for asset and wealth management
- [Openland](https://lemstudio.co/yc-companies/openland-1792) — **Openland** · YC Winter 2018 · Consumer, Social · Inactive · team 14 · yc_id:1792 — Messenger for communities
- [Openlayer](https://lemstudio.co/yc-companies/openlayer-23781) — **Openlayer** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 24 · yc_id:23781 — The fastest way to ship airtight AI
- [Openmart](https://lemstudio.co/yc-companies/openmart-29424) — **Openmart** · YC Winter 2024 · B2B · Active · team 6 · yc_id:29424 — Local business data intelligence platform
- [OpenMeter](https://lemstudio.co/yc-companies/openmeter-27877) — **OpenMeter** · YC Winter 2023 · B2B, Infrastructure · Acquired · team 7 · yc_id:27877 — Usage Metering, AI & API Monetization
- [Opennote](https://lemstudio.co/yc-companies/opennote-30743) — **Opennote** · YC Summer 2025 · Consumer · Acquired · team 3 · yc_id:30743 — The notebook that thinks with you.
- [OpenPipe](https://lemstudio.co/yc-companies/openpipe-29187) — **OpenPipe** · YC Summer 2023 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:29187 — Turn expensive prompts into cheap fine-tuned models
- [OpenProse](https://lemstudio.co/yc-companies/openprose-31500) — **OpenProse** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:31500 — An open-source operating system for reliable long-running agents
- [OpenRelay](https://lemstudio.co/yc-companies/openrelay-33249) — **OpenRelay** · YC Summer 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:33249 — Distributed, hardware-agnostic AI inference
- [OpenReplay](https://lemstudio.co/yc-companies/openreplay-12637) — **OpenReplay** · YC Summer 2019 · B2B, Infrastructure · Active · team 11 · yc_id:12637 — Open-source, self-hosted, session replay tool for developers.
- [Openroll](https://lemstudio.co/yc-companies/openroll-31011) — **Openroll** · YC Fall 2025 · B2B · Active · team 4 · yc_id:31011 — The AI workforce for People and Finance teams
- [OpenSea](https://lemstudio.co/yc-companies/opensea-1844) — **OpenSea** · YC Winter 2018 · Consumer, Content · Active · team 75 · yc_id:1844 — This isn't just a marketplace; we're shaping the future of digital…
- [OpenSEO](https://lemstudio.co/yc-companies/openseo-36088) — **OpenSEO** · YC Fall 2026 · B2B, Marketing · Active · team 2 · yc_id:36088 — Open source alternative to Semrush and Ahrefs
- [OpenSight](https://lemstudio.co/yc-companies/opensight-27816) — **OpenSight** · YC Winter 2023 · B2B, Operations · Inactive · team 3 · yc_id:27816 — AI-powered customer support automation for fast-growing companies
- [OpenSpec](https://lemstudio.co/yc-companies/openspec-31116) — **OpenSpec** · YC Winter 2026 · B2B · Active · yc_id:31116 — Plan mode for complex features
- [Opensteer](https://lemstudio.co/yc-companies/opensteer-29137) — **Opensteer** · YC Summer 2023 · B2B · Active · team 1 · yc_id:29137 — Specialized agents for real work
- [OpenTag](https://lemstudio.co/yc-companies/opentag-33969) — **OpenTag** · YC Summer 2026 · B2B · Active · team 3 · yc_id:33969 — Model Agnostic AI coworker in Slack
- [OpenTools](https://lemstudio.co/yc-companies/opentools-28814) — **OpenTools** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:28814 — The API for LLM tool use
- [Opentrons](https://lemstudio.co/yc-companies/opentrons-1030) — **Opentrons** · YC Winter 2016 · Healthcare, Diagnostics · Active · team 300 · yc_id:1030 — We make robots for biologists. 
- [OpenUnit](https://lemstudio.co/yc-companies/openunit-13115) — **OpenUnit** · YC Winter 2020 · B2B, Operations · Active · team 5 · yc_id:13115 — Software for managing self-storage facilities.
- [OpenVector](https://lemstudio.co/yc-companies/openvector-31301) — **OpenVector** · YC Summer 2026 · B2B, Infrastructure · Active · team 4 · yc_id:31301 — AI that turns any camera to an autonomous worker with real-time vision
- [OpenWork](https://lemstudio.co/yc-companies/openwork-31505) — **OpenWork** · YC Spring 2026 · B2B, Productivity · Active · team 4 · yc_id:31505 — The open source alternative to Claude Cowork
- [OpenWrench](https://lemstudio.co/yc-companies/openwrench-1908) — **OpenWrench** · YC Summer 2018 · B2B, Operations · Active · yc_id:1908 — We help retailers and restaurant chains manage repairs and…
- [OpEra](https://lemstudio.co/yc-companies/opera-36577) — **OpEra** · YC Fall 2026 · B2B, Supply Chain and Logistics · Active · team 2 · yc_id:36577 — Automated operations research (OR) lab
- [Operand](https://lemstudio.co/yc-companies/operand-30248) — **Operand** · YC Winter 2025 · B2B · Active · team 8 · yc_id:30248
- [Operator.io](https://lemstudio.co/yc-companies/operator-io-13185) — **Operator.io** · YC Winter 2020 · B2B · Active · team 6 · yc_id:13185 — Operator.io is OpenClaw that just works 
- [Operon](https://lemstudio.co/yc-companies/operon-33013) — **Operon** · YC Summer 2026 · Industrials · Active · yc_id:33013 — Agentic data layer for manufacturing & process industries. 
- [Opez](https://lemstudio.co/yc-companies/opez-109) — **Opez** · YC Summer 2011 · Consumer, Home and Personal · Inactive · team 11 · yc_id:109 — Yelp for service pros.
- [Ophelia](https://lemstudio.co/yc-companies/ophelia-13099) — **Ophelia** · YC Winter 2020 · Healthcare, Consumer Health and Wellness · Active · team 250 · yc_id:13099 — Medication & support to beat opioid addiction from home
- [Opkit](https://lemstudio.co/yc-companies/opkit-24774) — **Opkit** · YC Summer 2021 · Healthcare, Healthcare IT · Inactive · yc_id:24774 — AI phone calls for the US healthcare industry
- [Opslane](https://lemstudio.co/yc-companies/opslane-29751) — **Opslane** · YC Summer 2024 · B2B, Infrastructure · Active · team 1 · yc_id:29751 — Verify AI-generated code before you ship it
- [Opsolutely](https://lemstudio.co/yc-companies/opsolutely-1222) — **Opsolutely** · YC Summer 2016 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:1222 — Automated deployments for software teams.
- [Optery](https://lemstudio.co/yc-companies/optery-25061) — **Optery** · YC Winter 2022 · B2B, Security · Acquired · team 55 · yc_id:25061 — Opt out software that removes your private info from the internet
- [Optic](https://lemstudio.co/yc-companies/optic-1925) — **Optic** · YC Summer 2018 · B2B, Engineering, Product and Design · Acquired · team 5 · yc_id:1925 — Making APIs Developer-friendly 
- [Optifye.ai](https://lemstudio.co/yc-companies/optifye-ai-30315) — **Optifye.ai** · YC Winter 2025 · B2B · Active · team 8 · yc_id:30315 — AI performance monitoring for factory workers
- [Optilly/Installmonetizer](https://lemstudio.co/yc-companies/optilly-installmonetizer-22) — **Optilly/Installmonetizer** · YC Winter 2012 · B2B, Marketing · Inactive · team 11 · yc_id:22 — Fb ad optimization platform 
- [Optimizely](https://lemstudio.co/yc-companies/optimizely-221) — **Optimizely** · YC Winter 2010 · B2B, Engineering, Product and Design · Acquired · team 1500 · yc_id:221 — The first all-in-one operating system for marketing
- [Opusense AI](https://lemstudio.co/yc-companies/opusense-ai-30467) — **Opusense AI** · YC Spring 2025 · Real Estate and Construction, Construction · Active · team 2 · yc_id:30467 — AI for Field Inspection Reports
- [Opzi](https://lemstudio.co/yc-companies/opzi-196) — **Opzi** · YC Summer 2010 · Consumer, Gaming · Inactive · team 2 · yc_id:196 — Q&A for businesses.
- [Ora AI](https://lemstudio.co/yc-companies/ora-ai-28776) — **Ora AI** · YC Summer 2023 · Education · Active · team 3 · yc_id:28776 — The AI Platform for Medical Education
- [Orange Health Labs](https://lemstudio.co/yc-companies/orange-health-labs-22080) — **Orange Health Labs** · YC Summer 2020 · Healthcare, Diagnostics · Active · team 1100 · yc_id:22080 — India's Fastest Diagnostics Service
- [Orange Slice](https://lemstudio.co/yc-companies/orange-slice-30642) — **Orange Slice** · YC Summer 2025 · B2B, Sales · Active · team 2 · yc_id:30642 — Agentic sales enrichment spreadsheet
- [Orangewood Labs](https://lemstudio.co/yc-companies/orangewood-labs-1836) — **Orangewood Labs** · YC Winter 2018 · Industrials, Manufacturing and Robotics · Active · team 40 · yc_id:1836 — Orangewood Labs makes worlds most affordable and easiest AI robot arms
- [Orbillion Bio](https://lemstudio.co/yc-companies/orbillion-bio-22843) — **Orbillion Bio** · YC Winter 2021 · Industrials, Climate · Acquired · team 7 · yc_id:22843 — Tasty and scalable cultivated meat at price parity
- [Orbio Earth](https://lemstudio.co/yc-companies/orbio-earth-29157) — **Orbio Earth** · YC Summer 2023 · B2B, Analytics · Active · team 6 · yc_id:29157 — Tracking methane emissions with satellites
- [Orbital Operations](https://lemstudio.co/yc-companies/orbital-operations-30293) — **Orbital Operations** · YC Winter 2025 · Industrials, Aviation and Space · Active · team 10 · yc_id:30293 — High Thrust Space Vehicles for Satellite Defense
- [Orbiter](https://lemstudio.co/yc-companies/orbiter-13112) — **Orbiter** · YC Winter 2020 · B2B, Analytics · Inactive · team 3 · yc_id:13112 — ML models automatically monitor business performance
- [Orca](https://lemstudio.co/yc-companies/orca-25475) — **Orca** · YC Winter 2022 · Fintech · Active · team 4 · yc_id:25475 — Banking for Gen Z, on steroids.
- [Orca Aerospace](https://lemstudio.co/yc-companies/orca-aerospace-35525) — **Orca Aerospace** · YC Fall 2026 · Industrials, Aviation and Space · Active · team 3 · yc_id:35525 — AI spacecraft operators that lives onboard the vehicle
- [Orca Client](https://lemstudio.co/yc-companies/orca-client-29826) — **Orca Client** · YC Summer 2024 · Consumer · Active · team 2 · yc_id:29826 — Orca lets you build, discover, and play Minecraft games with friends.
- [Orchata](https://lemstudio.co/yc-companies/orchata-13480) — **Orchata** · YC Winter 2020 · Consumer, Food and Beverage · Inactive · team 50 · yc_id:13480 — Groceries delivered in 20 min in Latinamerica
- [Orchestra](https://lemstudio.co/yc-companies/orchestra-32167) — **Orchestra** · YC Summer 2026 · B2B, Infrastructure · Active · team 2 · yc_id:32167 — Self-optimizing neocloud that cuts LLM costs by 100x
- [Orchid](https://lemstudio.co/yc-companies/orchid-30518) — **Orchid** · YC Spring 2025 · B2B, Productivity · Active · team 3 · yc_id:30518 — A personal EA in your iMessage
- [Orchid](https://lemstudio.co/yc-companies/orchid-27901) — **Orchid** · YC Winter 2023 · Healthcare · Active · team 4 · yc_id:27901 — AI-powered EHR for independent mental health professionals
- [OrderAhead](https://lemstudio.co/yc-companies/orderahead-169) — **OrderAhead** · YC Winter 2011 · Consumer, Food and Beverage · Acquired · team 50 · yc_id:169 — Order ahead for pickup
- [Orderli](https://lemstudio.co/yc-companies/orderli-24691) — **Orderli** · YC Summer 2021 · B2B · Active · team 6 · yc_id:24691 — Square for Europe
- [Ordinary Seafood](https://lemstudio.co/yc-companies/ordinary-seafood-26814) — **Ordinary Seafood** · YC Summer 2022 · Consumer, Food and Beverage · Inactive · team 5 · yc_id:26814 — We are doing for seafood what Impossible did for meat
- [OrgOrg](https://lemstudio.co/yc-companies/orgorg-29969) — **OrgOrg** · YC Summer 2024 · B2B, Productivity · Active · team 2 · yc_id:29969 — Organizational productivity suite for companies
- [Origami](https://lemstudio.co/yc-companies/origami-30090) — **Origami** · YC Fall 2024 · B2B, Sales · Active · team 10 · yc_id:30090 — Enter your domain & Origami gets you customers.
- [Origami Robotics](https://lemstudio.co/yc-companies/origami-robotics-31284) — **Origami Robotics** · YC Winter 2026 · Industrials · Active · team 5 · yc_id:31284 — Manipulate Anything Robot
- [Origami Therapeutics, Inc.](https://lemstudio.co/yc-companies/origami-therapeutics-inc-26122) — **Origami Therapeutics, Inc.** · YC Winter 2022 · Healthcare, Therapeutics · Active · team 4 · yc_id:26122 — Oral drugs to halt neurodegeneration
- [Origin](https://lemstudio.co/yc-companies/origin-1481) — **Origin** · YC Winter 2017 · B2B, Office Management · Inactive · team 2 · yc_id:1481 — Keurig for healthy smoothies.
- [Origin](https://lemstudio.co/yc-companies/origin-31064) — **Origin** · YC Winter 2026 · Healthcare, Drug Discovery and Delivery · Active · team 8 · yc_id:31064 — AI and Data for Cancer Therapeutics
- [Ornadyne](https://lemstudio.co/yc-companies/ornadyne-31486) — **Ornadyne** · YC Spring 2026 · Industrials, Drones · Active · team 4 · yc_id:31486 — We're building robot birds for surveillance.
- [ORO AI](https://lemstudio.co/yc-companies/oro-ai-35521) — **ORO AI** · YC Fall 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:35521 — Continuously improving evals for agentic commerce
- [Orthogonal](https://lemstudio.co/yc-companies/orthogonal-31154) — **Orthogonal** · YC Winter 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31154 — Agentic Payments for APIs
- [Orvixo](https://lemstudio.co/yc-companies/orvixo-32616) — **Orvixo** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:32616 — AI advanced planning and optimisation for manufacturers.
- [OS3](https://lemstudio.co/yc-companies/os3-30728) — **OS3** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:30728 — Affordable, intelligent humanoid robots built to deploy at scale
- [OSIMple](https://lemstudio.co/yc-companies/osimple-1838) — **OSIMple** · YC Winter 2018 · Real Estate and Construction, Construction · Inactive · team 2 · yc_id:1838 — Software for inspectors to automate their paper workflow. 
- [Osium AI](https://lemstudio.co/yc-companies/osium-ai-28980) — **Osium AI** · YC Summer 2023 · B2B · Active · team 2 · yc_id:28980 — Speed up materials innovation with Artificial Intelligence
- [Osmaura](https://lemstudio.co/yc-companies/osmaura-31342) — **Osmaura** · YC Summer 2026 · B2B · Active · team 2 · yc_id:31342 — AI growth engine for corporate law firms.
- [Osmind](https://lemstudio.co/yc-companies/osmind-21930) — **Osmind** · YC Summer 2020 · Healthcare, Healthcare IT · Active · team 55 · yc_id:21930 — Platform for breakthrough mental health research and treatment
- [Osmosis](https://lemstudio.co/yc-companies/osmosis-30247) — **Osmosis** · YC Winter 2025 · B2B · Active · team 6 · yc_id:30247 — Reinforcement Learning (RL) for AI Agents
- [Osseus](https://lemstudio.co/yc-companies/osseus-33540) — **Osseus** · YC Summer 2026 · B2B · Active · team 2 · yc_id:33540 — The frontier data platform for aligned health and biological AI
- [Ossus](https://lemstudio.co/yc-companies/ossus-31283) — **Ossus** · YC Winter 2026 · B2B, Infrastructure · Active · team 3 · yc_id:31283 — Intelligence for cultural institutions
- [Oto](https://lemstudio.co/yc-companies/oto-25539) — **Oto** · YC Winter 2022 · Healthcare, Consumer Health and Wellness · Active · team 2 · yc_id:25539 — Digital program for tinnitus
- [Our World in Data](https://lemstudio.co/yc-companies/our-world-in-data-12094) — **Our World in Data** · YC Winter 2019 · Education · Active · team 19 · yc_id:12094 — Research and data to make progress against the world’s largest…
- [OurMenu](https://lemstudio.co/yc-companies/ourmenu-1770) — **OurMenu** · YC Winter 2018 · B2B, Retail · Inactive · team 3 · yc_id:1770
- [Outbound](https://lemstudio.co/yc-companies/outbound-820) — **Outbound** · YC Winter 2015 · B2B, Marketing · Acquired · team 2 · yc_id:820 — Create automated messages -- email, iOS/Android push, SMS and web…
- [Outerbase](https://lemstudio.co/yc-companies/outerbase-27868) — **Outerbase** · YC Winter 2023 · B2B, Engineering, Product and Design · Acquired · team 4 · yc_id:27868 — The interface for your database
- [Outerport](https://lemstudio.co/yc-companies/outerport-29992) — **Outerport** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:29992 — EDA for Industrial Control Systems
- [Outfit](https://lemstudio.co/yc-companies/outfit-23461) — **Outfit** · YC Winter 2021 · Consumer, Home and Personal · Inactive · team 1 · yc_id:23461 — DIY renovations in a box. Materials, tools, and instructions delivered
- [Outlit](https://lemstudio.co/yc-companies/outlit-30291) — **Outlit** · YC Winter 2025 · B2B · Active · team 3 · yc_id:30291 — Protect and Grow Long-tail Revenue 
- [outloud.ai](https://lemstudio.co/yc-companies/outloud-ai-24524) — **outloud.ai** · YC Summer 2021 · B2B, Retail · Inactive · team 5 · yc_id:24524 — Building Gong.io for offline retail.
- [Output Biosciences](https://lemstudio.co/yc-companies/output-biosciences-24727) — **Output Biosciences** · YC Summer 2021 · Healthcare, Drug Discovery and Delivery · Active · team 8 · yc_id:24727 — The foundation for the next era of biology
- [OutRival, Inc.](https://lemstudio.co/yc-companies/outrival-inc-12283) — **OutRival, Inc.** · YC Winter 2019 · B2B · Active · team 15 · yc_id:12283 — Outbound AI Agents for Education, Insurance, and Travel
- [OutSail Technologies](https://lemstudio.co/yc-companies/outsail-technologies-27924) — **OutSail Technologies** · YC Winter 2023 · Industrials · Inactive · team 3 · yc_id:27924 — Revolutionary, Modern Wing Sails
- [Outschool](https://lemstudio.co/yc-companies/outschool-994) — **Outschool** · YC Winter 2016 · Education · Active · team 107 · yc_id:994 — A live online learning platform that empowers kids ages 3–18.
- [Outset](https://lemstudio.co/yc-companies/outset-28864) — **Outset** · YC Summer 2023 · B2B, Analytics · Active · team 30 · yc_id:28864 — AI-powered user interviews
- [Outship](https://lemstudio.co/yc-companies/outship-30176) — **Outship** · YC Winter 2025 · B2B, Recruiting and Talent · Active · team 3 · yc_id:30176 — Hire amazing engineers by seeing how they use AI
- [Outtalent](https://lemstudio.co/yc-companies/outtalent-12643) — **Outtalent** · YC Summer 2019 · Education · Active · team 8 · yc_id:12643 — We help top engineers from emerging markets get jobs abroad at…
- [Overdrive Health](https://lemstudio.co/yc-companies/overdrive-health-30641) — **Overdrive Health** · YC Winter 2026 · Healthcare, Healthcare Services · Active · team 1 · yc_id:30641 — AI-Native Medical Billing Services
- [Overeasy](https://lemstudio.co/yc-companies/overeasy-29387) — **Overeasy** · YC Summer 2024 · B2B · Active · team 2 · yc_id:29387
- [Overfit](https://lemstudio.co/yc-companies/overfit-13435) — **Overfit** · YC Summer 2020 · Healthcare, Consumer Health and Wellness · Inactive · team 4 · yc_id:13435 — Human coach for accountability + AI for personalized workouts
- [Overflux](https://lemstudio.co/yc-companies/overflux-27823) — **Overflux** · YC Winter 2023 · B2B · Inactive · team 2 · yc_id:27823 — Streamline EV charger installations for real estate developers
- [Overheard](https://lemstudio.co/yc-companies/overheard-29466) — **Overheard** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29466 — AI-led user interviews for product teams.
- [Overlap](https://lemstudio.co/yc-companies/overlap-29964) — **Overlap** · YC Summer 2024 · Consumer, Content · Active · team 6 · yc_id:29964 — Multimodal AI agents for video
- [Overlord](https://lemstudio.co/yc-companies/overlord-27898) — **Overlord** · YC Winter 2023 · Consumer, Home and Personal · Active · team 2 · yc_id:27898 — AI Accountability Partner
- [Overshoot](https://lemstudio.co/yc-companies/overshoot-31171) — **Overshoot** · YC Winter 2026 · B2B · Active · team 5 · yc_id:31171 — AI Infra for real-time vision applications
- [Overstand Labs](https://lemstudio.co/yc-companies/overstand-labs-29727) — **Overstand Labs** · YC Winter 2025 · B2B, Analytics · Active · team 4 · yc_id:29727 — Navigate any set of data - no matter how large - in minutes.
- [Overview](https://lemstudio.co/yc-companies/overview-11895) — **Overview** · YC Winter 2019 · Industrials, Manufacturing and Robotics · Active · team 40 · yc_id:11895 — Reshaping industrial quality with AI, hardware, and software
- [Overwatch](https://lemstudio.co/yc-companies/overwatch-26776) — **Overwatch** · YC Summer 2022 · B2B, Security · Active · team 14 · yc_id:26776 — Enterprise software for enterprise risk and cyber fraud intelligence
- [Ovipost](https://lemstudio.co/yc-companies/ovipost-1735) — **Ovipost** · YC Winter 2018 · Industrials, Agriculture · Inactive · team 20 · yc_id:1735 — Automated insect farming
- [Ovlo](https://lemstudio.co/yc-companies/ovlo-30214) — **Ovlo** · YC Winter 2025 · B2B, Recruiting and Talent · Active · team 2 · yc_id:30214 — Founder led hiring for London startups
- [Oway](https://lemstudio.co/yc-companies/oway-29844) — **Oway** · YC Summer 2024 · B2B, Infrastructure · Active · team 16 · yc_id:29844 — The coordination OS for the physical economy. 
- [Owners Circle](https://lemstudio.co/yc-companies/owners-circle-668) — **Owners Circle** · YC Summer 2014 · Fintech, Credit and Lending · Inactive · team 2 · yc_id:668 — Kickstarter for local businesses
- [OwnLocal](https://lemstudio.co/yc-companies/ownlocal-226) — **OwnLocal** · YC Winter 2010 · B2B, Marketing · Active · team 45 · yc_id:226 — OwnLocal automates marketing for over 129,000 SMBs through 3,300…
- [OWNY](https://lemstudio.co/yc-companies/owny-1889) — **OWNY** · YC Summer 2018 · Fintech · Active · team 15 · yc_id:1889 — AI driven payment rails for emerging market banks.
- [Oximy](https://lemstudio.co/yc-companies/oximy-31208) — **Oximy** · YC Winter 2026 · B2B, Infrastructure · Active · team 8 · yc_id:31208 — Take command of the AI your company already runs on.
- [Oxus](https://lemstudio.co/yc-companies/oxus-30927) — **Oxus** · YC Winter 2026 · B2B · Active · team 3 · yc_id:30927 — AI-powered automation for internal audit workflows
- [Oxygen](https://lemstudio.co/yc-companies/oxygen-2022) — **Oxygen** · YC Summer 2018 · Fintech, Consumer Finance · Active · team 68 · yc_id:2022 — A leading digital bank in the US offering personal and business…
- [Ozone](https://lemstudio.co/yc-companies/ozone-25472) — **Ozone** · YC Winter 2022 · Consumer · Inactive · team 8 · yc_id:25472 — Figma for video
- [Paasa](https://lemstudio.co/yc-companies/paasa-29789) — **Paasa** · YC Summer 2024 · Fintech, Asset Management · Active · team 9 · yc_id:29789 — Invest in Global Equities from India
- [Paceline Bio](https://lemstudio.co/yc-companies/paceline-bio-30925) — **Paceline Bio** · YC Fall 2025 · Healthcare · Active · team 3 · yc_id:30925 — Biospecimen logistics & operations layer to accelerate drug dev
- [Paces](https://lemstudio.co/yc-companies/paces-26662) — **Paces** · YC Summer 2022 · Industrials, Climate · Active · team 48 · yc_id:26662 — Agentic AI for Power Projects and AI Infrastructure
- [Pachama](https://lemstudio.co/yc-companies/pachama-11936) — **Pachama** · YC Winter 2019 · Industrials, Climate · Acquired · team 85 · yc_id:11936 — Restoring nature to solve climate change.
- [Pachyderm](https://lemstudio.co/yc-companies/pachyderm-778) — **Pachyderm** · YC Winter 2015 · B2B, Infrastructure · Acquired · team 60 · yc_id:778 — Data Versioning, Data Pipelines, and Data Lineage
- [Pacific](https://lemstudio.co/yc-companies/pacific-32913) — **Pacific** · YC Summer 2026 · Industrials · Active · team 6 · yc_id:32913 — Mass-producing and financing micro data center incredibly quickly.
- [Pactima](https://lemstudio.co/yc-companies/pactima-24821) — **Pactima** · YC Summer 2021 · B2B, Legal · Acquired · team 3 · yc_id:24821 — Live video signing for real-time agreements
- [Padlet](https://lemstudio.co/yc-companies/padlet-481) — **Padlet** · YC Winter 2013 · B2B, Productivity · Active · team 65 · yc_id:481 — Papyrus → Parchment → Paper → Padlet
- [PadMapper](https://lemstudio.co/yc-companies/padmapper-186) — **PadMapper** · YC Summer 2010 · Real Estate and Construction, Housing and Real Estate · Acquired · team 2 · yc_id:186 — Map-based apartment search.
- [Pagaloop](https://lemstudio.co/yc-companies/pagaloop-23277) — **Pagaloop** · YC Winter 2021 · Fintech, Payments · Active · team 23 · yc_id:23277 — Pay, Get Paid and Extend Cash Flow using your Credit Card as…
- [Pagedraw](https://lemstudio.co/yc-companies/pagedraw-1831) — **Pagedraw** · YC Winter 2018 · B2B, Engineering, Product and Design · Inactive · team 5 · yc_id:1831 — Pagedraw is a platform for productionizing designs into code.  Thanks…
- [Pagelever](https://lemstudio.co/yc-companies/pagelever-99) — **Pagelever** · YC Summer 2011 · B2B, Analytics · Acquired · team 11 · yc_id:99 — Facebook analytics. Acquired by Unified in January 2013. 

- [PagerDuty](https://lemstudio.co/yc-companies/pagerduty-202) — **PagerDuty** · YC Summer 2010 · B2B, Engineering, Product and Design · Public · team 950 · yc_id:202 — Real-time visibility into critical apps and services all in one place.
- [Pahamify](https://lemstudio.co/yc-companies/pahamify-13408) — **Pahamify** · YC Winter 2020 · Education · Active · team 40 · yc_id:13408 — College entrance test preparation App for students in Indonesia
- [Paid](https://lemstudio.co/yc-companies/paid-712) — **Paid** · YC Summer 2014 · B2B, Finance and Accounting · Inactive · team 2 · yc_id:712 — Autopilot for Accounts Receivable
- [Pair AI](https://lemstudio.co/yc-companies/pair-ai-27754) — **Pair AI** · YC Winter 2023 · Consumer · Active · team 2 · yc_id:27754 — Reimagining education with short form video and AI
- [Pair Team](https://lemstudio.co/yc-companies/pair-team-12582) — **Pair Team** · YC Summer 2019 · Healthcare, Healthcare Services · Active · team 500 · yc_id:12582 — Building the safety net of the future
- [Pairio](https://lemstudio.co/yc-companies/pairio-31417) — **Pairio** · YC Spring 2026 · B2B · Active · team 3 · yc_id:31417 — AI mobile app that helps factory technicians fix broken machines
- [Pakible](https://lemstudio.co/yc-companies/pakible-779) — **Pakible** · YC Winter 2015 · B2B, Supply Chain and Logistics · Inactive · team 3 · yc_id:779 — We make it insanely easy to design, price, and manufacture custom…
- [Paladin](https://lemstudio.co/yc-companies/paladin-1934) — **Paladin** · YC Summer 2018 · Industrials, Drones · Active · team 12 · yc_id:1934 — We deploy autonomous drones to 911 calls. Our software gives first…
- [Palette](https://lemstudio.co/yc-companies/palette-31349) — **Palette** · YC Summer 2026 · B2B · Active · team 2 · yc_id:31349 — The Media Engine of the AI Era
- [PaletteHQ](https://lemstudio.co/yc-companies/palettehq-23780) — **PaletteHQ** · YC Summer 2021 · B2B, Sales · Active · team 14 · yc_id:23780 — Manage sales commissions and sales performance
- [Palifer](https://lemstudio.co/yc-companies/palifer-12542) — **Palifer** · YC Summer 2019 · Industrials, Automotive · Acquired · team 2 · yc_id:12542 — Predictive maintenance models for trains and heavy industry
- [Palisade](https://lemstudio.co/yc-companies/palisade-32136) — **Palisade** · YC Summer 2026 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:32136 — AI-native sales agents that run marketplaces
- [Palisade](https://lemstudio.co/yc-companies/palisade-33059) — **Palisade** · YC Summer 2026 · B2B, Security · Active · team 1 · yc_id:33059 — AI that finds and fixes OS-level vulnerabilities across device fleets
- [Palitronica Inc](https://lemstudio.co/yc-companies/palitronica-inc-25589) — **Palitronica Inc** · YC Winter 2022 · B2B, Security · Active · team 6 · yc_id:25589 — Detect cyber attacks on critical physical infrastructure
- [Palla](https://lemstudio.co/yc-companies/palla-23776) — **Palla** · YC Summer 2021 · Fintech, Payments · Active · team 22 · yc_id:23776 — P2P Cross border payments
- [Pally](https://lemstudio.co/yc-companies/pally-30755) — **Pally** · YC Summer 2025 · B2B, Productivity · Active · team 2 · yc_id:30755 — Your personal AI Assistant
- [Palmier](https://lemstudio.co/yc-companies/palmier-29786) — **Palmier** · YC Summer 2024 · Consumer, Content · Active · team 2 · yc_id:29786 — Video editor built for AI
- [Paloma](https://lemstudio.co/yc-companies/paloma-30807) — **Paloma** · YC Summer 2025 · B2B · Active · team 3 · yc_id:30807 — Digital transformation for real economy businesses
- [Palomma](https://lemstudio.co/yc-companies/palomma-27714) — **Palomma** · YC Winter 2023 · Real Estate and Construction · Active · team 8 · yc_id:27714 — AI & financial services for real estate in LatAm, starting by rent
- [Palus Finance](https://lemstudio.co/yc-companies/palus-finance-31126) — **Palus Finance** · YC Winter 2026 · Fintech · Active · team 2 · yc_id:31126 — Your startup's financial advisor
- [Pana](https://lemstudio.co/yc-companies/pana-26476) — **Pana** · YC Summer 2022 · Fintech, Banking and Exchange · Active · team 14 · yc_id:26476 — A Global Bank on Chain
- [Panacea](https://lemstudio.co/yc-companies/panacea-31544) — **Panacea** · YC Spring 2026 · Healthcare, Healthcare Services · Active · team 3 · yc_id:31544 — AI-Native FDA Regulatory Services
- [PANADATA](https://lemstudio.co/yc-companies/panadata-22075) — **PANADATA** · YC Summer 2020 · Government · Active · team 4 · yc_id:22075 — We run background checks on businesses using data from public records…
- [Pandai](https://lemstudio.co/yc-companies/pandai-24682) — **Pandai** · YC Summer 2021 · Education · Active · team 32 · yc_id:24682 — Learning app for school students in Southeast Asia
- [PandasAI](https://lemstudio.co/yc-companies/pandasai-29345) — **PandasAI** · YC Winter 2024 · B2B, Analytics · Active · team 3 · yc_id:29345 — PandasAI is an open-source conversational data analysis platform with…
- [Pando Bioscience](https://lemstudio.co/yc-companies/pando-bioscience-28425) — **Pando Bioscience** · YC Winter 2023 · Healthcare, Industrial Bio · Active · team 5 · yc_id:28425 — Gen-AI Designed Enzymes for Pharmaceutical Innovation
- [Paneau](https://lemstudio.co/yc-companies/paneau-13103) — **Paneau** · YC Winter 2020 · Consumer, Content · Inactive · team 7 · yc_id:13103 — Tablets inside Uber/Lyfts to advertise directly to riders
- [Panels](https://lemstudio.co/yc-companies/panels-30645) — **Panels** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:30645 — Audio Data for AI Labs
- [Panelytic](https://lemstudio.co/yc-companies/panelytic-29303) — **Panelytic** · YC Winter 2024 · Fintech · Active · team 2 · yc_id:29303 — Payment infrastructure for machines
- [Pangea.app](https://lemstudio.co/yc-companies/pangea-app-22861) — **Pangea.app** · YC Winter 2021 · B2B, Recruiting and Talent · Active · team 3 · yc_id:22861 — Hire Fractional Marketing + Design Talent 
- [Pango](https://lemstudio.co/yc-companies/pango-31989) — **Pango** · YC Summer 2026 · B2B, Retail · Active · team 5 · yc_id:31989 — Agentic OS for e-commerce operations
- [Pangolin](https://lemstudio.co/yc-companies/pangolin-30665) — **Pangolin** · YC Summer 2025 · B2B, Infrastructure · Active · team 3 · yc_id:30665 — Open networking and security for your workforce, AI agents, and infra
- [Panoptive](https://lemstudio.co/yc-companies/panoptive-30671) — **Panoptive** · YC Summer 2025 · B2B · Active · team 2 · yc_id:30671 — The continuous oversight engine for clinical trials
- [Panora](https://lemstudio.co/yc-companies/panora-29721) — **Panora** · YC Summer 2024 · B2B · Active · team 1 · yc_id:29721 — Turning messy inboxes into ERP-Ready Data
- [Panorama Education](https://lemstudio.co/yc-companies/panorama-education-549) — **Panorama Education** · YC Summer 2013 · Education · Active · team 350 · yc_id:549 — Improving education for every student.
- [Panta](https://lemstudio.co/yc-companies/panta-31077) — **Panta** · YC Winter 2026 · Fintech, Insurance · Active · team 3 · yc_id:31077 — AI Native Commercial Insurance Brokerage 
- [Pantheon](https://lemstudio.co/yc-companies/pantheon-13111) — **Pantheon** · YC Winter 2020 · Education · Inactive · team 2 · yc_id:13111 — A competitive community of the brightest students in the world
- [Pantore Pay](https://lemstudio.co/yc-companies/pantore-pay-26183) — **Pantore Pay** · YC Winter 2022 · Fintech · Active · team 25 · yc_id:26183 — Working capital for Brazilian restaurants
- [Papa](https://lemstudio.co/yc-companies/papa-1978) — **Papa** · YC Summer 2018 · Healthcare, Healthcare IT · Active · team 500 · yc_id:1978 — One-stop-shop for flexible family care
- [Papaya](https://lemstudio.co/yc-companies/papaya-36643) — **Papaya** · YC Fall 2026 · B2B · Active · team 3 · yc_id:36643 — Continuous optimization for AI agents
- [Paper Instruments](https://lemstudio.co/yc-companies/paper-instruments-30455) — **Paper Instruments** · YC Spring 2025 · B2B · Active · team 3 · yc_id:30455 — Open-source frontier models for knowledge work
- [Paperplane](https://lemstudio.co/yc-companies/paperplane-27694) — **Paperplane** · YC Winter 2023 · Fintech, Credit and Lending · Inactive · team 5 · yc_id:27694 — Credit risk management platform for builders' merchants
- [Paperspace](https://lemstudio.co/yc-companies/paperspace-780) — **Paperspace** · YC Winter 2015 · B2B, Engineering, Product and Design · Acquired · team 50 · yc_id:780 — Paperspace is a cloud platform for building and scaling AI…
- [Parabolic](https://lemstudio.co/yc-companies/parabolic-27725) — **Parabolic** · YC Winter 2023 · B2B · Inactive · team 2 · yc_id:27725 — AI assistant for customer support
- [Parade](https://lemstudio.co/yc-companies/parade-22268) — **Parade** · YC Summer 2020 · B2B, Productivity · Inactive · team 5 · yc_id:22268 — Launch your company without hiring a designer
- [ParadeDB](https://lemstudio.co/yc-companies/paradedb-29087) — **ParadeDB** · YC Summer 2023 · B2B · Active · team 11 · yc_id:29087 — Unify application data, vectors, and full-text search in one Postgres
- [Paradigm](https://lemstudio.co/yc-companies/paradigm-29287) — **Paradigm** · YC Winter 2024 · B2B · Active · team 8 · yc_id:29287 — A reimagined workspace with AI at its core
- [Paragon](https://lemstudio.co/yc-companies/paragon-30231) — **Paragon** · YC Winter 2025 · B2B, Operations · Active · team 2 · yc_id:30231 — The AI Growth Engine for Industrials
- [Paragon](https://lemstudio.co/yc-companies/paragon-13067) — **Paragon** · YC Winter 2020 · B2B, Engineering, Product and Design · Active · team 48 · yc_id:13067 — The embedded integration platform for SaaS apps.
- [Paragon AI](https://lemstudio.co/yc-companies/paragon-ai-26741) — **Paragon AI** · YC Summer 2022 · B2B, Sales · Active · team 3 · yc_id:26741 — Turns your sales calls into CRM data, automatically.
- [Parahelp](https://lemstudio.co/yc-companies/parahelp-29684) — **Parahelp** · YC Summer 2024 · B2B, Operations · Active · team 11 · yc_id:29684 — Build an AI support agent that securely uses all your tools
- [Parakey](https://lemstudio.co/yc-companies/parakey-384) — **Parakey** · YC Summer 2005 · B2B, Infrastructure · Acquired · team 2 · yc_id:384
- [Parallel](https://lemstudio.co/yc-companies/parallel-29348) — **Parallel** · YC Winter 2024 · Healthcare, Healthcare IT · Active · team 15 · yc_id:29348 — AI agents for healthcare admin
- [Parallel Bio](https://lemstudio.co/yc-companies/parallel-bio-24081) — **Parallel Bio** · YC Summer 2021 · Healthcare, Drug Discovery and Delivery · Active · team 20 · yc_id:24081 — Using the immune system to cure disease
- [Parallel Universe](https://lemstudio.co/yc-companies/parallel-universe-456) — **Parallel Universe** · YC Summer 2012 · B2B, Infrastructure · Inactive · team 2 · yc_id:456 — Helping developers scale their applications with ease. 
- [Parameter](https://lemstudio.co/yc-companies/parameter-31174) — **Parameter** · YC Winter 2026 · B2B, Security · Active · team 14 · yc_id:31174 — Security builds trust. Strengthen both, all on one platform.
- [Parametric](https://lemstudio.co/yc-companies/parametric-30604) — **Parametric** · YC Fall 2025 · Industrials, Manufacturing and Robotics · Active · team 7 · yc_id:30604 — Physical businesses that run themselves
- [ParaQuery](https://lemstudio.co/yc-companies/paraquery-30507) — **ParaQuery** · YC Spring 2025 · B2B, Infrastructure · Active · team 1 · yc_id:30507 — Managed GPU-accelerated Spark + SQL at 2x speed and half the cost
- [Parasma](https://lemstudio.co/yc-companies/parasma-32134) — **Parasma** · YC Summer 2026 · B2B, Infrastructure · Active · team 2 · yc_id:32134 — Replacing GPUs with human brain cells
- [Paratus Health](https://lemstudio.co/yc-companies/paratus-health-30337) — **Paratus Health** · YC Winter 2025 · Healthcare, Healthcare IT · Active · team 2 · yc_id:30337 — healthcare AI
- [ParcelBio](https://lemstudio.co/yc-companies/parcelbio-29527) — **ParcelBio** · YC Winter 2024 · Healthcare, Therapeutics · Active · team 6 · yc_id:29527 — Elevated mRNA for transformative medicines.
- [Pardes Biosciences](https://lemstudio.co/yc-companies/pardes-biosciences-22111) — **Pardes Biosciences** · YC Summer 2020 · Healthcare, Drug Discovery and Delivery · Public · team 2 · yc_id:22111 — We break viruses
- [Parea](https://lemstudio.co/yc-companies/parea-28846) — **Parea** · YC Summer 2023 · B2B, Operations · Active · team 2 · yc_id:28846 — Test, evaluate & observe your LLM applications
- [Parenthoods](https://lemstudio.co/yc-companies/parenthoods-655) — **Parenthoods** · YC Summer 2014 · Consumer, Social · Acquired · team 2 · yc_id:655 — Communities for expecting and new parents. 
- [PARES AI](https://lemstudio.co/yc-companies/pares-ai-30736) — **PARES AI** · YC Summer 2025 · Real Estate and Construction · Active · team 3 · yc_id:30736 — AI-native real estate services firm
- [Paribus](https://lemstudio.co/yc-companies/paribus-927) — **Paribus** · YC Summer 2015 · Fintech · Acquired · yc_id:927
- [Parker](https://lemstudio.co/yc-companies/parker-11926) — **Parker** · YC Winter 2019 · Fintech, Banking and Exchange · Inactive · team 10 · yc_id:11926 — Parker is a digital bank.
- [Parley](https://lemstudio.co/yc-companies/parley-29772) — **Parley** · YC Summer 2024 · B2B, Legal · Active · team 3 · yc_id:29772 — Legal Agent that delivers finished work
- [Parrot](https://lemstudio.co/yc-companies/parrot-31439) — **Parrot** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31439 — Agentic operating system for auto repair shops
- [Parrot](https://lemstudio.co/yc-companies/parrot-30848) — **Parrot** · YC Fall 2025 · Consumer · Active · team 3 · yc_id:30848 — TikTok for language learning
- [Parrot Software 🦜](https://lemstudio.co/yc-companies/parrot-software-22267) — **Parrot Software 🦜** · YC Summer 2020 · B2B, Retail · Active · team 40 · yc_id:22267 — The operating system for restaurants in LatAm.
- [Parsagon](https://lemstudio.co/yc-companies/parsagon-22832) — **Parsagon** · YC Winter 2021 · B2B · Active · team 2 · yc_id:22832 — AI to track and analyze public policy
- [Parse](https://lemstudio.co/yc-companies/parse-127) — **Parse** · YC Summer 2011 · B2B, Engineering, Product and Design · Acquired · team 11 · yc_id:127 — Parse is the easiest way to build apps.
- [Parse](https://lemstudio.co/yc-companies/parse-30846) — **Parse** · YC Fall 2025 · B2B · Active · team 4 · yc_id:30846 — Build an API to interact with any website.
- [Parsewise](https://lemstudio.co/yc-companies/parsewise-30453) — **Parsewise** · YC Spring 2025 · B2B · Active · team 6 · yc_id:30453 — Multi-document processing for your risk teams, AI agents, pipelines
- [Partcl](https://lemstudio.co/yc-companies/partcl-30191) — **Partcl** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · yc_id:30191 — Design a chip in minutes
- [Partna](https://lemstudio.co/yc-companies/partna-25776) — **Partna** · YC Winter 2022 · Fintech · Active · team 8 · yc_id:25776 — Unlock African payments
- [Partnered](https://lemstudio.co/yc-companies/partnered-437) — **Partnered** · YC Summer 2012 · B2B, Sales · Inactive · team 11 · yc_id:437 — Partnered is a digital platform automating business development…
- [Partnered](https://lemstudio.co/yc-companies/partnered-22985) — **Partnered** · YC Winter 2021 · B2B, Sales · Acquired · team 2 · yc_id:22985 — The network where sales teams connect to share customer introductions.
- [PartnerHQ](https://lemstudio.co/yc-companies/partnerhq-29309) — **PartnerHQ** · YC Winter 2024 · B2B, Sales · Active · team 4 · yc_id:29309 — A marketplace for B2B businesses to buy warm intros. 
- [PartnerStack](https://lemstudio.co/yc-companies/partnerstack-873) — **PartnerStack** · YC Summer 2015 · B2B, Marketing · Acquired · team 200 · yc_id:873 — PartnerStack is a full stack solution for partnerships.
- [Party](https://lemstudio.co/yc-companies/party-29647) — **Party** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:29647 — Secure multiplayer software factory for your whole team in minutes
- [Pashi](https://lemstudio.co/yc-companies/pashi-13214) — **Pashi** · YC Winter 2020 · Industrials, Manufacturing and Robotics · Inactive · team 3 · yc_id:13214 — Pashi builds software to operate and optimize production lines.
- [Pasito](https://lemstudio.co/yc-companies/pasito-26713) — **Pasito** · YC Summer 2022 · Fintech, Insurance · Active · team 20 · yc_id:26713 — AI agents for insurance and benefits
- [Passenger AI](https://lemstudio.co/yc-companies/passenger-ai-1896) — **Passenger AI** · YC Summer 2018 · Industrials, Automotive · Inactive · team 5 · yc_id:1896 — Software for robotaxi operations.
- [Passerine Aircraft](https://lemstudio.co/yc-companies/passerine-aircraft-1579) — **Passerine Aircraft** · YC Summer 2017 · Industrials, Aviation and Space · Inactive · team 2 · yc_id:1579 — Passerine Aircraft is building the next generation of dronesWe are…
- [Patched](https://lemstudio.co/yc-companies/patched-29968) — **Patched** · YC Summer 2024 · B2B, Productivity · Active · team 4 · yc_id:29968 — Reliable AI for Regulated Ops
- [Patchwork](https://lemstudio.co/yc-companies/patchwork-29285) — **Patchwork** · YC Winter 2024 · B2B, Productivity · Inactive · team 2 · yc_id:29285 — Your team’s AI powered communication tool
- [Patchwork Security](https://lemstudio.co/yc-companies/patchwork-security-1040) — **Patchwork Security** · YC Winter 2016 · B2B, Security · Inactive · team 2 · yc_id:1040 — Security patch notifications for servers. Build it, deploy it, and…
- [Patent Watch](https://lemstudio.co/yc-companies/patent-watch-30936) — **Patent Watch** · YC Fall 2025 · B2B · Active · team 6 · yc_id:30936 — AI for detecting patent infringements
- [Path](https://lemstudio.co/yc-companies/path-12453) — **Path** · YC Summer 2019 · Fintech, Consumer Finance · Inactive · team 12 · yc_id:12453 — Financial advisors for Gen-Z
- [Pathmind](https://lemstudio.co/yc-companies/pathmind-1073) — **Pathmind** · YC Winter 2016 · B2B, Engineering, Product and Design · Inactive · team 15 · yc_id:1073 — Pathmind helps industrial engineers and simulation modelers achieve…
- [PathPilot](https://lemstudio.co/yc-companies/pathpilot-29983) — **PathPilot** · YC Summer 2024 · B2B · Active · team 3 · yc_id:29983 — AI Agents for Lending Operations
- [Pathrise](https://lemstudio.co/yc-companies/pathrise-1604) — **Pathrise** · YC Summer 2017 · Education · Inactive · team 55 · yc_id:1604 — YC for your career
- [PatientBank](https://lemstudio.co/yc-companies/patientbank-1191) — **PatientBank** · YC Summer 2016 · Healthcare, Healthcare IT · Inactive · team 2 · yc_id:1191 — Get medical records online—from any doctor or hospital.
- [Patientdesk.ai](https://lemstudio.co/yc-companies/patientdesk-ai-31183) — **Patientdesk.ai** · YC Winter 2026 · Healthcare, Healthcare IT · Active · team 5 · yc_id:31183 — AI front & back office agent for dental practices 
- [PatternFast (prior: Tailornova/Couturme)](https://lemstudio.co/yc-companies/patternfast-prior-tailornova-couturme-11986) — **PatternFast (prior: Tailornova/Couturme)** · YC Winter 2019 · B2B, Engineering, Product and Design · Active · team 23 · yc_id:11986 — The fashion product engineering intelligence  
- [Patterns](https://lemstudio.co/yc-companies/patterns-24159) — **Patterns** · YC Summer 2021 · B2B, Analytics · Inactive · team 2 · yc_id:24159 — Next-Gen Financial Analysis and Reporting with AI Agents
- [Pave](https://lemstudio.co/yc-companies/pave-1041) — **Pave** · YC Winter 2016 · B2B, Analytics · Active · team 6 · yc_id:1041 — Pave analyzes Google Analytics + marketing data and sends you reports…
- [Pave](https://lemstudio.co/yc-companies/pave-21831) — **Pave** · YC Summer 2020 · B2B, Recruiting and Talent · Active · team 170 · yc_id:21831 — Plan, communicate, and benchmark your compensation in real-time.
- [Pave Robotics](https://lemstudio.co/yc-companies/pave-robotics-30257) — **Pave Robotics** · YC Winter 2025 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:30257 — Robots that repair roads
- [Pavoot](https://lemstudio.co/yc-companies/pavoot-31398) — **Pavoot** · YC Spring 2026 · B2B, Marketing · Active · yc_id:31398 — AI Event Manager for in-person events
- [Pax](https://lemstudio.co/yc-companies/pax-29755) — **Pax** · YC Summer 2024 · B2B, Supply Chain and Logistics · Active · team 10 · yc_id:29755 — AI Broker for Tariff Refunds
- [Pax Historia](https://lemstudio.co/yc-companies/pax-historia-31175) — **Pax Historia** · YC Winter 2026 · Consumer, Gaming · Active · team 6 · yc_id:31175 — The first AI-powered worldbuilding and gameplay platform
- [PAX Markets](https://lemstudio.co/yc-companies/pax-markets-30256) — **PAX Markets** · YC Winter 2025 · Fintech, Banking and Exchange · Active · team 6 · yc_id:30256 — Co-located trading facility and matching engine on one chip.
- [Pay Swifter](https://lemstudio.co/yc-companies/pay-swifter-13341) — **Pay Swifter** · YC Winter 2020 · Fintech, Banking and Exchange · Acquired · team 6 · yc_id:13341 — Stripe for Cannabis
- [Payable](https://lemstudio.co/yc-companies/payable-715) — **Payable** · YC Summer 2014 · B2B, Finance and Accounting · Acquired · team 2 · yc_id:715 — Simple payments and tax compliance for your contract workforce.
- [PayCaddy](https://lemstudio.co/yc-companies/paycaddy-25660) — **PayCaddy** · YC Winter 2022 · Fintech · Active · team 20 · yc_id:25660 — Simplified Banking as a Service for Latam
- [PayCrunch](https://lemstudio.co/yc-companies/paycrunch-25694) — **PayCrunch** · YC Winter 2022 · Fintech, Credit and Lending · Active · team 5 · yc_id:25694 — Credit Card for college students based on UPI.
- [PayDragon](https://lemstudio.co/yc-companies/paydragon-78) — **PayDragon** · YC Summer 2011 · Consumer, Food and Beverage · Inactive · team 11 · yc_id:78 — Hyperlinking the real world.
- [Payflow](https://lemstudio.co/yc-companies/payflow-22322) — **Payflow** · YC Summer 2020 · B2B, Finance and Accounting · Inactive · team 7 · yc_id:22322 — AI FP&A Agent for insights, reports, planning and forecasting.
- [Payflow](https://lemstudio.co/yc-companies/payflow-24874) — **Payflow** · YC Summer 2021 · B2B, Human Resources · Active · team 50 · yc_id:24874 — A mobile app. It allows employees to get paid their salary on-demand.
- [Payfura](https://lemstudio.co/yc-companies/payfura-27048) — **Payfura** · YC Summer 2022 · Fintech, Payments · Inactive · team 2 · yc_id:27048 — Global payment gateway to buy/sell crypto
- [Payhippo](https://lemstudio.co/yc-companies/payhippo-24479) — **Payhippo** · YC Summer 2021 · Fintech, Credit and Lending · Active · team 11 · yc_id:24479 — Loans to Nigeria's SMEs in under 3 hours
- [Payload](https://lemstudio.co/yc-companies/payload-26811) — **Payload** · YC Summer 2022 · B2B, Engineering, Product and Design · Acquired · team 3 · yc_id:26811 — Developer-First Headless CMS and Application Framework
- [PayMongo](https://lemstudio.co/yc-companies/paymongo-12843) — **PayMongo** · YC Summer 2019 · Fintech, Payments · Active · team 220 · yc_id:12843 — Modern online payments for the Philippines
- [Payna](https://lemstudio.co/yc-companies/payna-31066) — **Payna** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31066 —  AI Licensing Agent for Regulated Industries
- [Paystack](https://lemstudio.co/yc-companies/paystack-1021) — **Paystack** · YC Winter 2016 · Fintech, Payments · Acquired · team 115 · yc_id:1021 — Modern payments infrastructure for Africa
- [PayTango](https://lemstudio.co/yc-companies/paytango-477) — **PayTango** · YC Winter 2013 · B2B, Finance and Accounting · Inactive · team 2 · yc_id:477 — Simple invoicing
- [PAYZE](https://lemstudio.co/yc-companies/payze-24602) — **PAYZE** · YC Summer 2021 · Fintech, Payments · Inactive · team 4 · yc_id:24602 — Stripe for former Soviet Union countries
- [Pazi](https://lemstudio.co/yc-companies/pazi-29362) — **Pazi** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:29362 — Platform where autonomous companies are built
- [Peakflo](https://lemstudio.co/yc-companies/peakflo-25317) — **Peakflo** · YC Winter 2022 · Fintech, Payments · Active · team 45 · yc_id:25317 — Agentic workflows that automate your back‑office operations
- [PeakPath](https://lemstudio.co/yc-companies/peakpath-25357) — **PeakPath** · YC Winter 2022 · B2B, Human Resources · Inactive · team 9 · yc_id:25357 — Smartwatch powered coaching to improve teams sustainable performance
- [Pearl](https://lemstudio.co/yc-companies/pearl-1447) — **Pearl** · YC Winter 2017 · B2B, Office Management · Inactive · yc_id:1447 — The future of office coffee.  Keurig convenience meets cafe quality. 
- [Pearson Labs](https://lemstudio.co/yc-companies/pearson-labs-30073) — **Pearson Labs** · YC Fall 2024 · B2B, Legal · Active · team 2 · yc_id:30073 — AI agents to automate corporate transactions
- [Pebble](https://lemstudio.co/yc-companies/pebble-153) — **Pebble** · YC Winter 2011 · Consumer, Consumer Electronics · Acquired · team 51 · yc_id:153 — Watch that helps you get shit done and limit the mayhem of…
- [Peeba](https://lemstudio.co/yc-companies/peeba-28045) — **Peeba** · YC Winter 2023 · B2B · Inactive · team 30 · yc_id:28045 — Risk-free wholesale for retailers across Southeast Asia
- [Peer](https://lemstudio.co/yc-companies/peer-32522) — **Peer** · YC Summer 2026 · B2B, Supply Chain and Logistics · Active · team 2 · yc_id:32522 — AI-native freight brokerage
- [Peer5](https://lemstudio.co/yc-companies/peer5-1559) — **Peer5** · YC Winter 2017 · B2B, Infrastructure · Acquired · team 11 · yc_id:1559 — P2P delivery network that enables high quality video streaming
- [PeerDB](https://lemstudio.co/yc-companies/peerdb-28659) — **PeerDB** · YC Summer 2023 · B2B, Analytics · Acquired · team 2 · yc_id:28659 — Fast, native ETL for Postgres 🐘 🚀
- [Peg (formerly Paymobil)](https://lemstudio.co/yc-companies/peg-formerly-paymobil-13165) — **Peg (formerly Paymobil)** · YC Winter 2020 · Fintech, Payments · Inactive · team 2 · yc_id:13165 — The super simple stablecoin wallet with free transactions
- [Pelago](https://lemstudio.co/yc-companies/pelago-1829) — **Pelago** · YC Winter 2018 · Healthcare, Healthcare Services · Active · team 180 · yc_id:1829 — The world's first digital clinic for substance use management
- [Pelica](https://lemstudio.co/yc-companies/pelica-30533) — **Pelica** · YC Spring 2025 · Healthcare, Healthcare IT · Active · team 5 · yc_id:30533 — AI agents for risk-bearing healthcare organizations
- [Pelm](https://lemstudio.co/yc-companies/pelm-25278) — **Pelm** · YC Winter 2022 · B2B, Engineering, Product and Design · Inactive · team 5 · yc_id:25278 — Plaid for utilities
- [Penciled](https://lemstudio.co/yc-companies/penciled-29463) — **Penciled** · YC Winter 2024 · Healthcare, Healthcare IT · Active · team 2 · yc_id:29463 — AI front office assistant for physical therapy
- [Pendulum Robotics](https://lemstudio.co/yc-companies/pendulum-robotics-35389) — **Pendulum Robotics** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:35389 — Quick-turn, purpose-built motors & actuators for all
- [Pengram](https://lemstudio.co/yc-companies/pengram-11942) — **Pengram** · YC Winter 2019 · B2B, Human Resources · Inactive · team 2 · yc_id:11942 — Indoor navigation through augmented reality on your phone. 
- [Penguin AI](https://lemstudio.co/yc-companies/penguin-ai-26676) — **Penguin AI** · YC Summer 2022 · B2B, Sales · Inactive · team 3 · yc_id:26676 — AI Sales Rep for Website Intent Signals
- [Pennant](https://lemstudio.co/yc-companies/pennant-33048) — **Pennant** · YC Summer 2026 · Fintech, Asset Management · Active · team 2 · yc_id:33048 — The World Model for Corporate Governance
- [Penny](https://lemstudio.co/yc-companies/penny-1489) — **Penny** · YC Winter 2017 · Fintech, Consumer Finance · Acquired · team 2 · yc_id:1489 — Penny makes keeping track of your finances as easy as having a…
- [Pensil](https://lemstudio.co/yc-companies/pensil-22672) — **Pensil** · YC Winter 2021 · B2B, Engineering, Product and Design · Inactive · team 4 · yc_id:22672 — New-Age White Label Community Platform SDKs and APIs for Games,…
- [Penta Medical](https://lemstudio.co/yc-companies/penta-medical-1885) — **Penta Medical** · YC Summer 2018 · Healthcare, Consumer Health and Wellness · Inactive · team 5 · yc_id:1885 — Smart hardware for injury recovery. 


- [Pentagon](https://lemstudio.co/yc-companies/pentagon-31512) — **Pentagon** · YC Spring 2026 · B2B, Productivity · Active · team 1 · yc_id:31512 — The control plane for agent-native work.
- [People & Pages](https://lemstudio.co/yc-companies/people-pages-299) — **People & Pages** · YC Summer 2008 · Consumer, Home and Personal · Inactive · yc_id:299
- [People.ai](https://lemstudio.co/yc-companies/people-ai-1299) — **People.ai** · YC Summer 2016 · B2B, Sales · Active · team 300 · yc_id:1299 — Harnesses business activity to unlock growth.
- [Peoplebox.ai](https://lemstudio.co/yc-companies/peoplebox-ai-26877) — **Peoplebox.ai** · YC Summer 2022 · B2B, Human Resources · Active · team 35 · yc_id:26877 — AI talent platform to hire, manage, and grow your people 
- [peopleCQ](https://lemstudio.co/yc-companies/peoplecq-23413) — **peopleCQ** · YC Winter 2021 · Fintech, Asset Management · Active · team 85 · yc_id:23413 — Employer backed payroll advances for employees in Egypt
- [Peppr AI](https://lemstudio.co/yc-companies/peppr-ai-30296) — **Peppr AI** · YC Winter 2025 · B2B, Sales · Active · team 4 · yc_id:30296 — In-call AI teleprompter that helps reps close enterprise deals
- [Per Diem](https://lemstudio.co/yc-companies/per-diem-22806) — **Per Diem** · YC Winter 2021 · B2B, Marketing · Active · team 25 · yc_id:22806 — The AI operating system for restaurants
- [Per Vices](https://lemstudio.co/yc-companies/per-vices-52) — **Per Vices** · YC Winter 2012 · Industrials · Active · team 11 · yc_id:52 — Building Mission Critical Software Defined Radio products.
- [Percept.AI](https://lemstudio.co/yc-companies/percept-ai-1666) — **Percept.AI** · YC Summer 2017 · B2B, Operations · Acquired · team 7 · yc_id:1666 — AI support agent for your business that actually works
- [Perception Biosystems](https://lemstudio.co/yc-companies/perception-biosystems-2021) — **Perception Biosystems** · YC Summer 2018 · Healthcare, Therapeutics · Inactive · team 2 · yc_id:2021 — Democratizing gene therapy by reinventing its manufacturing and…
- [Perceptive Technologies](https://lemstudio.co/yc-companies/perceptive-technologies-13118) — **Perceptive Technologies** · YC Winter 2020 · Healthcare, Medical Devices · Active · team 25 · yc_id:13118 — Automated tooth cutting for dentists using imaging, AI and robotics
- [Perceptron ML](https://lemstudio.co/yc-companies/perceptron-ml-32127) — **Perceptron ML** · YC Summer 2026 · B2B · Active · team 2 · yc_id:32127 — We make law firms AI-native.
- [Percival](https://lemstudio.co/yc-companies/percival-30444) — **Percival** · YC Spring 2025 · B2B · Inactive · team 3 · yc_id:30444 — Accelerating data analysis for research
- [Perfect Audience](https://lemstudio.co/yc-companies/perfect-audience-124) — **Perfect Audience** · YC Summer 2011 · B2B, Marketing · Acquired · team 11 · yc_id:124 — Self-service display advertising for SaaS and online retail.
- [PerfectBit, Inc.](https://lemstudio.co/yc-companies/perfectbit-inc-31333) — **PerfectBit, Inc.** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:31333 — Robotics
- [Perfectly](https://lemstudio.co/yc-companies/perfectly-31153) — **Perfectly** · YC Winter 2026 · B2B, Recruiting and Talent · Active · team 4 · yc_id:31153 — The AI-native Recruiting OS
- [Perfekto](https://lemstudio.co/yc-companies/perfekto-24255) — **Perfekto** · YC Summer 2021 · Consumer, Food and Beverage · Inactive · team 33 · yc_id:24255 — Grocery subscription service against food waste in Latam
- [Perit.AI](https://lemstudio.co/yc-companies/perit-ai-36741) — **Perit.AI** · YC Fall 2026 · B2B · Active · team 47 · yc_id:36741 — Expert-led data and RL platform for AI labs
- [Perl Street](https://lemstudio.co/yc-companies/perl-street-25347) — **Perl Street** · YC Winter 2022 · Fintech, Credit and Lending · Active · team 4 · yc_id:25347 — Financing the next-generation of infrastructure projects
- [Perlara](https://lemstudio.co/yc-companies/perlara-1100) — **Perlara** · YC Winter 2016 · Healthcare, Drug Discovery and Delivery · Active · team 1 · yc_id:1100 — Perlara: building the YC for rare disease parents
- [PermitFlow](https://lemstudio.co/yc-companies/permitflow-25647) — **PermitFlow** · YC Winter 2022 · Real Estate and Construction, Construction · Active · team 80 · yc_id:25647 — Construction's AI Platform
- [Permitify](https://lemstudio.co/yc-companies/permitify-30317) — **Permitify** · YC Winter 2025 · Real Estate and Construction, Construction · Active · team 2 · yc_id:30317 — AI co-pilot for building plan review and building code compliance
- [PermitPortal](https://lemstudio.co/yc-companies/permitportal-30088) — **PermitPortal** · YC Fall 2024 · Real Estate and Construction · Active · team 2 · yc_id:30088 — AI Operating System for Pre-construction
- [Permutive](https://lemstudio.co/yc-companies/permutive-694) — **Permutive** · YC Summer 2014 · B2B, Marketing · Active · team 205 · yc_id:694 — Rebuilding data in advertising to protect privacy
- [Persana AI](https://lemstudio.co/yc-companies/persana-ai-28301) — **Persana AI** · YC Winter 2023 · B2B, Sales · Acquired · team 2 · yc_id:28301 — Sales Agents with 100+ data sources to close more deals
- [Persephone Biosciences](https://lemstudio.co/yc-companies/persephone-biosciences-1773) — **Persephone Biosciences** · YC Winter 2018 · Healthcare, Therapeutics · Active · team 6 · yc_id:1773 — We are using the gut microbiome to end cancer. 
- [Perseus](https://lemstudio.co/yc-companies/perseus-30967) — **Perseus** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:30967 — Applied Lab focused on Search in Latent Spaces.
- [Perseus Defense](https://lemstudio.co/yc-companies/perseus-defense-30708) — **Perseus Defense** · YC Summer 2025 · Industrials, Defense · Active · team 3 · yc_id:30708 — America's Golden Dome for Drones
- [PerShop](https://lemstudio.co/yc-companies/pershop-12033) — **PerShop** · YC Winter 2019 · Consumer, Apparel and Cosmetics · Inactive · team 2 · yc_id:12033 — Your personal clothing store!
- [Persist AI](https://lemstudio.co/yc-companies/persist-ai-28112) — **Persist AI** · YC Winter 2023 · Healthcare, Drug Discovery and Delivery · Active · team 6 · yc_id:28112 — Developing long-lasting drug formulations 50% faster
- [PersistIQ](https://lemstudio.co/yc-companies/persistiq-666) — **PersistIQ** · YC Summer 2014 · B2B, Sales · Acquired · team 10 · yc_id:666 — PersistIQ is a free email automation platform to send a small batch…
- [Perspectives Health](https://lemstudio.co/yc-companies/perspectives-health-30778) — **Perspectives Health** · YC Summer 2025 · Healthcare, Healthcare IT · Active · team 5 · yc_id:30778 — AI to run behavioral health programs better
- [Pesto](https://lemstudio.co/yc-companies/pesto-22722) — **Pesto** · YC Winter 2021 · Fintech, Credit and Lending · Active · team 8 · yc_id:22722
- [PetaSales](https://lemstudio.co/yc-companies/petasales-280) — **PetaSales** · YC Winter 2009 · B2B, Marketing · Inactive · team 2 · yc_id:280
- [Petcube](https://lemstudio.co/yc-companies/petcube-995) — **Petcube** · YC Winter 2016 · Consumer, Consumer Electronics · Active · team 51 · yc_id:995 — Petcube is on the mission to improve lives of pets and pet owners…
- [Petrarch](https://lemstudio.co/yc-companies/petrarch-33310) — **Petrarch** · YC Summer 2026 · B2B · Active · team 3 · yc_id:33310 — Internal industrial company data for frontier labs
- [PgDog](https://lemstudio.co/yc-companies/pgdog-30448) — **PgDog** · YC Spring 2025 · B2B, Infrastructure · Active · team 3 · yc_id:30448 — Scaling engine for PostgreSQL
- [Pharos](https://lemstudio.co/yc-companies/pharos-29857) — **Pharos** · YC Summer 2024 · Healthcare, Healthcare IT · Active · team 5 · yc_id:29857 — Helping hospitals identify and prevent avoidable harm using AI
- [Phase Biolabs](https://lemstudio.co/yc-companies/phase-biolabs-25553) — **Phase Biolabs** · YC Winter 2022 · Industrials, Climate · Active · team 10 · yc_id:25553 — We make carbon negative chemicals from CO2 using fermentation
- [Phases](https://lemstudio.co/yc-companies/phases-30707) — **Phases** · YC Summer 2025 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:30707 — AI for the physical world
- [Phiar](https://lemstudio.co/yc-companies/phiar-1888) — **Phiar** · YC Summer 2018 · Industrials, Automotive · Acquired · team 12 · yc_id:1888 — We are developing a revolutionary AI-powered augmented reality…
- [Philon](https://lemstudio.co/yc-companies/philon-30947) — **Philon** · YC Fall 2025 · Industrials, Manufacturing and Robotics · Active · yc_id:30947 — General Purpose Robots
- [Phind](https://lemstudio.co/yc-companies/phind-26808) — **Phind** · YC Summer 2022 · Consumer · Inactive · team 4 · yc_id:26808 — AI search engine
- [Phoenix](https://lemstudio.co/yc-companies/phoenix-23162) — **Phoenix** · YC Winter 2021 · Healthcare, Consumer Health and Wellness · Active · team 70 · yc_id:23162 — Canada's digital health clinic for men
- [Phoenix Hydrogen](https://lemstudio.co/yc-companies/phoenix-hydrogen-26243) — **Phoenix Hydrogen** · YC Winter 2022 · Industrials, Energy · Inactive · team 2 · yc_id:26243 — First commodity marketplace for hydrogen.
- [Phonely](https://lemstudio.co/yc-companies/phonely-29645) — **Phonely** · YC Summer 2024 · B2B · Active · team 10 · yc_id:29645 — AI call centers 
- [PhoneSys](https://lemstudio.co/yc-companies/phonesys-84) — **PhoneSys** · YC Summer 2011 · B2B, Infrastructure · Inactive · team 4 · yc_id:84 — The Phone System for Sales Teams.
- [Phonic](https://lemstudio.co/yc-companies/phonic-13074) — **Phonic** · YC Winter 2020 · B2B, Marketing · Acquired · team 8 · yc_id:13074 — The best way to collect and analyze voice and video feedback
- [Photonium](https://lemstudio.co/yc-companies/photonium-30465) — **Photonium** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:30465 — AI-Powered Optical Consulting & Software
- [Photoroom](https://lemstudio.co/yc-companies/photoroom-13307) — **Photoroom** · YC Summer 2020 · Consumer, Content · Active · team 100 · yc_id:13307 — Power commerce photography with generative AI
- [Phykos](https://lemstudio.co/yc-companies/phykos-24759) — **Phykos** · YC Summer 2021 · Industrials, Climate · Active · team 2 · yc_id:24759 — Growing seaweed to stabilize the climate.
- [Physical Turing](https://lemstudio.co/yc-companies/physical-turing-30703) — **Physical Turing** · YC Summer 2025 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:30703 — Next generation robot deployer
- [PhysioHealth](https://lemstudio.co/yc-companies/physiohealth-1095) — **PhysioHealth** · YC Winter 2016 · Healthcare, Healthcare Services · Inactive · team 2 · yc_id:1095 — An enterprise health benefits platform that rewards employees for…
- [Pibit.ai](https://lemstudio.co/yc-companies/pibit-ai-22681) — **Pibit.ai** · YC Winter 2021 · Fintech, Insurance · Active · team 116 · yc_id:22681 — The fastest path from submission to better decisions.
- [Pickle](https://lemstudio.co/yc-companies/pickle-30262) — **Pickle** · YC Winter 2025 · Consumer, Consumer Electronics · Active · team 15 · yc_id:30262 — Where your life context becomes understanding.
- [PickTrace](https://lemstudio.co/yc-companies/picktrace-928) — **PickTrace** · YC Summer 2015 · Industrials, Agriculture · Active · team 65 · yc_id:928 — Workforce Management for Large Farms
- [PicnicAI](https://lemstudio.co/yc-companies/picnicai-695) — **PicnicAI** · YC Summer 2014 · Healthcare · Active · team 100 · yc_id:695 — Intelligence to accelerate human health.
- [Picplum](https://lemstudio.co/yc-companies/picplum-69) — **Picplum** · YC Summer 2011 · Consumer, Home and Personal · Inactive · team 2 · yc_id:69
- [Picurio](https://lemstudio.co/yc-companies/picurio-277) — **Picurio** · YC Winter 2009 · Consumer, Social · Inactive · team 2 · yc_id:277
- [Picwing](https://lemstudio.co/yc-companies/picwing-290) — **Picwing** · YC Summer 2008 · Consumer, Social · Inactive · team 11 · yc_id:290 — Photo Sharing platform for families
- [Pide Directo](https://lemstudio.co/yc-companies/pide-directo-24882) — **Pide Directo** · YC Summer 2021 · B2B, Supply Chain and Logistics · Active · team 150 · yc_id:24882 — One-stop-shop for restaurants to operate and grow their business. 
- [Pideaky](https://lemstudio.co/yc-companies/pideaky-24251) — **Pideaky** · YC Summer 2021 · Fintech, Payments · Active · team 3 · yc_id:24251 — We help offline LatAm SMBs manage and accelerate their cash-flow 
- [Pier](https://lemstudio.co/yc-companies/pier-28175) — **Pier** · YC Winter 2023 · B2B · Active · team 4 · yc_id:28175 — Stripe for Credit - Trusted Credit Compliance Partner
- [Pierre](https://lemstudio.co/yc-companies/pierre-28416) — **Pierre** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:28416 — Pierre is a new, opinionated, git platform.
- [Pigeon](https://lemstudio.co/yc-companies/pigeon-26042) — **Pigeon** · YC Winter 2022 · Fintech · Inactive · team 5 · yc_id:26042 — Simplifying loans with your friends & family.
- [Pigeon](https://lemstudio.co/yc-companies/pigeon-27695) — **Pigeon** · YC Winter 2023 · B2B · Active · team 5 · yc_id:27695 — AI-powered document automation: collect, review, extract, and sync.
- [Pigeonly](https://lemstudio.co/yc-companies/pigeonly-823) — **Pigeonly** · YC Winter 2015 · Consumer, Social · Inactive · team 40 · yc_id:823 — The affordable way to search, find & communicate with an incarcerated…
- [Piggy](https://lemstudio.co/yc-companies/piggy-1652) — **Piggy** · YC Summer 2017 · Fintech, Asset Management · Inactive · team 2 · yc_id:1652 — App for Indians to make investments in mutual funds, manage their…
- [Piggy Robotics](https://lemstudio.co/yc-companies/piggy-robotics-29763) — **Piggy Robotics** · YC Fall 2025 · Industrials, Manufacturing and Robotics · Active · team 5 · yc_id:29763 — Humanoid robots that do your chores for the price of an iPhone!
- [PiinPoint](https://lemstudio.co/yc-companies/piinpoint-613) — **PiinPoint** · YC Winter 2014 · B2B, Office Management · Active · team 20 · yc_id:613 — PiinPoint helps businesses find the best locations for growth
- [Pillar](https://lemstudio.co/yc-companies/pillar-12548) — **Pillar** · YC Summer 2019 · Consumer, Content · Active · team 5 · yc_id:12548 — All-In-One Creator Store
- [Pillar](https://lemstudio.co/yc-companies/pillar-24569) — **Pillar** · YC Summer 2021 · Healthcare, Healthcare Services · Active · team 5 · yc_id:24569 — A white-label care enablement platform
- [PillarPlus](https://lemstudio.co/yc-companies/pillarplus-13348) — **PillarPlus** · YC Winter 2020 · Real Estate and Construction, Construction · Inactive · team 30 · yc_id:13348 — Software to automatically create construction blueprints
- [PINA](https://lemstudio.co/yc-companies/pina-25891) — **PINA** · YC Winter 2022 · Fintech · Active · team 25 · yc_id:25891 — WealthFront of Indonesia 
- [Pina Earth](https://lemstudio.co/yc-companies/pina-earth-26137) — **Pina Earth** · YC Winter 2022 · Industrials, Climate · Acquired · team 30 · yc_id:26137 — Unlocking carbon markets for European forest owners
- [Pinch](https://lemstudio.co/yc-companies/pinch-30314) — **Pinch** · YC Winter 2025 · B2B, Productivity · Active · team 3 · yc_id:30314 — AI Voice Translation for live conversations or media
- [Pincites](https://lemstudio.co/yc-companies/pincites-28966) — **Pincites** · YC Summer 2023 · B2B, Legal · Acquired · team 4 · yc_id:28966 — Close deals faster with AI for contract negotiation
- [Pine Park Health](https://lemstudio.co/yc-companies/pine-park-health-1965) — **Pine Park Health** · YC Summer 2018 · Healthcare, Healthcare Services · Active · team 75 · yc_id:1965 — We provide primary care in senior living communities.
- [Ping](https://lemstudio.co/yc-companies/ping-27267) — **Ping** · YC Summer 2022 · Fintech · Active · team 20 · yc_id:27267 — The global neo-bank for contractors and freelancers
- [Pingo](https://lemstudio.co/yc-companies/pingo-30582) — **Pingo** · YC Summer 2025 · Consumer · Active · team 5 · yc_id:30582 — AI companion that helps you learn languages
- [PingPong](https://lemstudio.co/yc-companies/pingpong-22750) — **PingPong** · YC Winter 2021 · B2B, Productivity · Acquired · team 8 · yc_id:22750 — Video messaging app for remote teams.
- [Pinnacle](https://lemstudio.co/yc-companies/pinnacle-29769) — **Pinnacle** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29769 — API & SDK for RCS (the next-generation of texting)
- [PipeBio](https://lemstudio.co/yc-companies/pipebio-23610) — **PipeBio** · YC Winter 2021 · Healthcare, Therapeutics · Acquired · team 10 · yc_id:23610 — PipeBio is a SaaS bioinformatics platform to develop antibody drugs.
- [Pipekit](https://lemstudio.co/yc-companies/pipekit-23950) — **Pipekit** · YC Summer 2021 · B2B, Infrastructure · Active · team 9 · yc_id:23950 — Pipekit scales data & CI pipelines for enterprises
- [PipelineDB](https://lemstudio.co/yc-companies/pipelinedb-614) — **PipelineDB** · YC Winter 2014 · B2B, Infrastructure · Acquired · team 2 · yc_id:614 — Open-source time-series data analytics extension for PostgreSQL
- [Pipeshift](https://lemstudio.co/yc-companies/pipeshift-29950) — **Pipeshift** · YC Summer 2024 · B2B, Infrastructure · Active · team 10 · yc_id:29950 — Ultra-low latency inference cloud for real-time workloads
- [Pippin / Rent the Backyard](https://lemstudio.co/yc-companies/pippin-rent-the-backyard-11929) — **Pippin / Rent the Backyard** · YC Summer 2019 · Real Estate and Construction, Housing and Real Estate · Inactive · team 45 · yc_id:11929 — Autonomous homebuilding factory for the $1.7 trillion housing crisis.
- [Piramidal](https://lemstudio.co/yc-companies/piramidal-29477) — **Piramidal** · YC Winter 2024 · Healthcare · Active · team 10 · yc_id:29477 — Foundation Model for the Brain
- [Piris Labs](https://lemstudio.co/yc-companies/piris-labs-31114) — **Piris Labs** · YC Winter 2026 · B2B, Infrastructure · Active · team 8 · yc_id:31114 — The Networking Layer of AI
- [Pirouette Pharma](https://lemstudio.co/yc-companies/pirouette-pharma-24188) — **Pirouette Pharma** · YC Summer 2021 · Healthcare, Drug Discovery and Delivery · Active · team 9 · yc_id:24188 — We make injections as easy as pushing a button!
- [Pirros](https://lemstudio.co/yc-companies/pirros-27837) — **Pirros** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 44 · yc_id:27837 — AI Platform for Architects and Engineers
- [Pit.AI](https://lemstudio.co/yc-companies/pit-ai-1453) — **Pit.AI** · YC Winter 2017 · Fintech, Asset Management · Inactive · team 2 · yc_id:1453 — Solving intelligence for investment management.
- [Pivo Technology Inc](https://lemstudio.co/yc-companies/pivo-technology-inc-27262) — **Pivo Technology Inc** · YC Summer 2022 · Fintech · Inactive · team 11 · yc_id:27262 — Digital Bank for Freight Carriers in Africa.
- [Pivot Robotics](https://lemstudio.co/yc-companies/pivot-robotics-29273) — **Pivot Robotics** · YC Winter 2024 · Industrials, Manufacturing and Robotics · Active · team 8 · yc_id:29273 — AI for Robot Arms in Factories
- [Pixate](https://lemstudio.co/yc-companies/pixate-387) — **Pixate** · YC Summer 2012 · B2B, Infrastructure · Acquired · team 10 · yc_id:387 — Mobile application prototyping. Now part of Google.
- [Pixelapse](https://lemstudio.co/yc-companies/pixelapse-34) — **Pixelapse** · YC Winter 2012 · B2B, Engineering, Product and Design · Inactive · yc_id:34 — Github for designers. We automatically keep track of revisions of…
- [Pixley AI](https://lemstudio.co/yc-companies/pixley-ai-30931) — **Pixley AI** · YC Fall 2025 · Consumer, Content · Active · team 2 · yc_id:30931 — The first platform where families can create AI cartoons in minutes
- [Plai](https://lemstudio.co/yc-companies/plai-24754) — **Plai** · YC Summer 2021 · B2B, Marketing · Active · team 20 · yc_id:24754 — Create, launch, and optimize Facebook ads and ads on 10+ platforms
- [PLAN0 AI](https://lemstudio.co/yc-companies/plan0-ai-31460) — **PLAN0 AI** · YC Spring 2026 · Real Estate and Construction · Active · team 4 · yc_id:31460 — Construction Cost Intelligence.
- [Planbase](https://lemstudio.co/yc-companies/planbase-29739) — **Planbase** · YC Summer 2024 · Healthcare, Healthcare IT · Active · team 6 · yc_id:29739 — AI workforce management for healthcare 
- [Plane](https://lemstudio.co/yc-companies/plane-1517) — **Plane** · YC Winter 2017 · B2B, Human Resources · Active · team 30 · yc_id:1517 — #1 easiest-to-use payroll for startups
- [Planet A Foods](https://lemstudio.co/yc-companies/planet-a-foods-24260) — **Planet A Foods** · YC Summer 2021 · Consumer, Food and Beverage · Active · team 6 · yc_id:24260 — Building the next generation food ingredient champion.
- [PlanGrid](https://lemstudio.co/yc-companies/plangrid-8) — **PlanGrid** · YC Winter 2012 · Real Estate and Construction, Construction · Acquired · team 355 · yc_id:8 — Mobile applications for the construction industry.
- [Plasticity](https://lemstudio.co/yc-companies/plasticity-1633) — **Plasticity** · YC Summer 2017 · B2B, Productivity · Acquired · team 2 · yc_id:1633 — Natural language processing APIs for developers.
- [Plate IQ](https://lemstudio.co/yc-companies/plate-iq-931) — **Plate IQ** · YC Summer 2015 · Fintech, Payments · Active · team 200 · yc_id:931 — Automated Accounts Payable
- [PlateJoy](https://lemstudio.co/yc-companies/platejoy-959) — **PlateJoy** · YC Summer 2015 · Consumer, Food and Beverage · Acquired · team 11 · yc_id:959 — PlateJoy is building the technology to power disease prevention and…
- [Plato](https://lemstudio.co/yc-companies/plato-1048) — **Plato** · YC Winter 2016 · B2B, Productivity · Acquired · team 26 · yc_id:1048 — Plato is the mentorship platform for engineering leaders
- [Platypus](https://lemstudio.co/yc-companies/platypus-23041) — **Platypus** · YC Winter 2021 · B2B · Inactive · team 3 · yc_id:23041 — The Distributed Data Operating System
- [Platzi](https://lemstudio.co/yc-companies/platzi-774) — **Platzi** · YC Winter 2015 · B2B, Productivity · Active · team 123 · yc_id:774 — Turning company knowledge into expert teams
- [Playabl.ai](https://lemstudio.co/yc-companies/playabl-ai-31550) — **Playabl.ai** · YC Spring 2026 · Consumer, Gaming · Active · team 10 · yc_id:31550 — TikTok for User-generated Games
- [PlayAbly](https://lemstudio.co/yc-companies/playably-12665) — **PlayAbly** · YC Summer 2019 · B2B · Inactive · team 5 · yc_id:12665 — We build games to help brands engage, convert, and retain customers 
- [PlayAI](https://lemstudio.co/yc-companies/playai-28073) — **PlayAI** · YC Winter 2023 · B2B · Acquired · team 35 · yc_id:28073 — Our mission is to make Voice AI accessible and useful to all.
- [Players' Lounge](https://lemstudio.co/yc-companies/players-lounge-1815) — **Players' Lounge** · YC Winter 2018 · Consumer, Gaming · Active · team 13 · yc_id:1815 — Win money betting on yourself playing AAA video games
- [Playgent](https://lemstudio.co/yc-companies/playgent-30623) — **Playgent** · YC Summer 2025 · Healthcare, Healthcare IT · Active · team 2 · yc_id:30623 — Sandboxes for AI agents
- [Playground](https://lemstudio.co/yc-companies/playground-12507) — **Playground** · YC Summer 2019 · Consumer, Home and Personal · Inactive · team 3 · yc_id:12507 — Make graphics like a Pro without being one
- [Playmaker](https://lemstudio.co/yc-companies/playmaker-22652) — **Playmaker** · YC Winter 2021 · Consumer, Content · Inactive · team 5 · yc_id:22652 — Community for fantasy sports players
- [Playment](https://lemstudio.co/yc-companies/playment-1539) — **Playment** · YC Winter 2017 · B2B, Engineering, Product and Design · Acquired · team 50 · yc_id:1539 — Mechanical Turk for enterprises.
- [PlayReader](https://lemstudio.co/yc-companies/playreader-300) — **PlayReader** · YC Summer 2008 · Consumer, Home and Personal · Inactive · yc_id:300
- [Pledge Health](https://lemstudio.co/yc-companies/pledge-health-27785) — **Pledge Health** · YC Winter 2023 · Healthcare, Healthcare IT · Active · team 2 · yc_id:27785 — AI RCM assistant that handles any insurance task on payer portals for…
- [Plena Health](https://lemstudio.co/yc-companies/plena-health-31493) — **Plena Health** · YC Spring 2026 · Healthcare, Healthcare Services · Active · yc_id:31493 — Plena is the AI operating system for specialty medical practices
- [Pleom](https://lemstudio.co/yc-companies/pleom-30748) — **Pleom** · YC Summer 2025 · B2B, Analytics · Active · yc_id:30748 — Agentic Business Intelligence
- [Plerk](https://lemstudio.co/yc-companies/plerk-21996) — **Plerk** · YC Summer 2020 · B2B, Operations · Acquired · team 28 · yc_id:21996 — Acquired by Minu.mx - Fintech solutions for employees, starting with…
- [Plexe](https://lemstudio.co/yc-companies/plexe-30400) — **Plexe** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30400 — Open-source agents to build predictive ML models from a prompt
- [Plexus](https://lemstudio.co/yc-companies/plexus-1794) — **Plexus** · YC Winter 2018 · Consumer, Virtual and Augmented Reality · Active · team 3 · yc_id:1794 — High-performance gloves for VR and AR
- [Plivo](https://lemstudio.co/yc-companies/plivo-464) — **Plivo** · YC Summer 2012 · B2B · Active · team 320 · yc_id:464 — Voice AI Agents for customer engagement, including WhatsApp, SMS &…
- [Ploomber](https://lemstudio.co/yc-companies/ploomber-25975) — **Ploomber** · YC Winter 2022 · B2B, Engineering, Product and Design · Inactive · team 7 · yc_id:25975 — Heroku for AI
- [Ploy](https://lemstudio.co/yc-companies/ploy-31041) — **Ploy** · YC Spring 2026 · B2B · Active · team 14 · yc_id:31041 — Ploy turns your website into your company's growth engine. 
- [Pluggy](https://lemstudio.co/yc-companies/pluggy-24253) — **Pluggy** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 31 · yc_id:24253 — Plaid for Brazil: we allow developers to access users' financial data 
- [Plume](https://lemstudio.co/yc-companies/plume-29701) — **Plume** · YC Summer 2024 · Industrials, Climate · Active · team 9 · yc_id:29701 — Renewable infrastructure deployment at scale.
- [Plumter](https://lemstudio.co/yc-companies/plumter-25658) — **Plumter** · YC Winter 2022 · Fintech, Payments · Active · team 12 · yc_id:25658 — Financial tools for cross-border trade
- [Plura (formerly Bloom Community)](https://lemstudio.co/yc-companies/plura-formerly-bloom-community-13213) — **Plura (formerly Bloom Community)** · YC Winter 2020 · Consumer, Social · Active · team 5 · yc_id:13213 — The social app for edge-of-culture communities
- [Pluralith](https://lemstudio.co/yc-companies/pluralith-26900) — **Pluralith** · YC Summer 2022 · B2B, Infrastructure · Active · team 2 · yc_id:26900 — Automated infrastructure compliance and documentation
- [Plurchase](https://lemstudio.co/yc-companies/plurchase-254) — **Plurchase** · YC Summer 2009 · Consumer, Social · Inactive · team 2 · yc_id:254
- [Plutis](https://lemstudio.co/yc-companies/plutis-27880) — **Plutis** · YC Winter 2023 · B2B · Active · team 2 · yc_id:27880
- [Pluto](https://lemstudio.co/yc-companies/pluto-32526) — **Pluto** · YC Summer 2026 · B2B, Recruiting and Talent · Active · team 5 · yc_id:32526 — LinkedIn for agents
- [Pluto.markets](https://lemstudio.co/yc-companies/pluto-markets-25695) — **Pluto.markets** · YC Winter 2022 · Fintech, Asset Management · Active · team 4 · yc_id:25695 — Modern Investment Product for 100m underserved Europeans
- [Plutto](https://lemstudio.co/yc-companies/plutto-27047) — **Plutto** · YC Summer 2022 · B2B, Infrastructure · Active · team 20 · yc_id:27047 — Supply-chain risk management and compliance platform for Latin…
- [PNOĒ](https://lemstudio.co/yc-companies/pno-12067) — **PNOĒ** · YC Winter 2019 · Healthcare, Healthcare Services · Active · team 70 · yc_id:12067 — Enabling health professionals to prescribe clinical-grade wellness…
- [Pocket](https://lemstudio.co/yc-companies/pocket-31214) — **Pocket** · YC Winter 2026 · Consumer · Active · team 15 · yc_id:31214 — Take Notes in the Real World
- [Pocket Worlds](https://lemstudio.co/yc-companies/pocket-worlds-1941) — **Pocket Worlds** · YC Summer 2018 · Consumer, Social · Active · team 100 · yc_id:1941 — Our platform enables creators to build experiences, games, and worlds…
- [PocketSuite](https://lemstudio.co/yc-companies/pocketsuite-1018) — **PocketSuite** · YC Winter 2016 · B2B, Productivity · Active · team 30 · yc_id:1018 — All-In-One Business Operating System by PocketSuite
- [Podium](https://lemstudio.co/yc-companies/podium-1042) — **Podium** · YC Winter 2016 · B2B, Retail · Active · team 1000 · yc_id:1042 — Get more leads. Make more money. 
- [Point API](https://lemstudio.co/yc-companies/point-api-1857) — **Point API** · YC Winter 2018 · B2B, Productivity · Inactive · team 5 · yc_id:1857 — Point stores things you send over and over again and helps you re-use…
- [Pointhound](https://lemstudio.co/yc-companies/pointhound-28807) — **Pointhound** · YC Summer 2023 · Consumer, Travel, Leisure and Tourism · Active · team 5 · yc_id:28807 — Earn and redeem credit card points for free flights
- [PointOne](https://lemstudio.co/yc-companies/pointone-29286) — **PointOne** · YC Winter 2024 · B2B, Infrastructure · Active · team 35 · yc_id:29286 — AI Time Platform for Law Firms
- [Poka Labs](https://lemstudio.co/yc-companies/poka-labs-29251) — **Poka Labs** · YC Summer 2024 · B2B, Supply Chain and Logistics · Active · team 5 · yc_id:29251 — Helping industrial manufacturers win deals fast, at the right price.
- [PokerClubHub](https://lemstudio.co/yc-companies/pokerclubhub-32748) — **PokerClubHub** · YC Summer 2026 · Consumer, Gaming · Active · yc_id:32748 — Host a Poker Club and Make Money
- [Poko](https://lemstudio.co/yc-companies/poko-26109) — **Poko** · YC Winter 2022 · Fintech · Active · team 10 · yc_id:26109 — Seamless Fiat Payments for Web3
- [Polar](https://lemstudio.co/yc-companies/polar-29465) — **Polar** · YC Winter 2024 · Fintech, Consumer Finance · Active · team 2 · yc_id:29465 — The smarter way to manage USD earnings globally
- [PolicyFly](https://lemstudio.co/yc-companies/policyfly-25309) — **PolicyFly** · YC Winter 2022 · Fintech, Insurance · Active · team 30 · yc_id:25309 — Modernizing Specialty Insurance
- [Poliglota](https://lemstudio.co/yc-companies/poliglota-23414) — **Poliglota** · YC Winter 2021 · Education · Active · team 170 · yc_id:23414 — The online language school for Latam, with groups led by an instructor
- [Polished](https://lemstudio.co/yc-companies/polished-29332) — **Polished** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · yc_id:29332 — Generate ads. Iterate till perfect.
- [Poll Everywhere](https://lemstudio.co/yc-companies/poll-everywhere-282) — **Poll Everywhere** · YC Summer 2008 · B2B, Analytics · Active · team 70 · yc_id:282 — Interactive meetings and presentations
- [Pollen](https://lemstudio.co/yc-companies/pollen-30765) — **Pollen** · YC Winter 2026 · B2B, Operations · Active · team 3 · yc_id:30765 — AI agents that automate customer success
- [Pollground](https://lemstudio.co/yc-companies/pollground-362) — **Pollground** · YC Summer 2006 · Consumer, Social · Inactive · yc_id:362 — Online polls.
- [Polly](https://lemstudio.co/yc-companies/polly-1685) — **Polly** · YC Summer 2017 · Consumer, Social · Inactive · team 3 · yc_id:1685 — Polly is a social polling app for Snapchat and Instagram stories. 
- [PoloTab](https://lemstudio.co/yc-companies/polotab-27846) — **PoloTab** · YC Winter 2023 · B2B · Active · team 18 · yc_id:27846 — Restaurant software that actually works
- [Poly](https://lemstudio.co/yc-companies/poly-26480) — **Poly** · YC Summer 2022 · Consumer · Active · team 3 · yc_id:26480 — Intelligent Personal Cloud Storage
- [Polymail](https://lemstudio.co/yc-companies/polymail-1289) — **Polymail** · YC Summer 2016 · B2B, Productivity · Acquired · team 2 · yc_id:1289 — Email productivity platform for business.
- [Polymath](https://lemstudio.co/yc-companies/polymath-31217) — **Polymath** · YC Winter 2026 · B2B · Active · team 6 · yc_id:31217 — Simulation environments to train & evaluate long-horizon AI agents
- [Polymath Robotics](https://lemstudio.co/yc-companies/polymath-robotics-27361) — **Polymath Robotics** · YC Summer 2022 · Industrials, Manufacturing and Robotics · Active · team 25 · yc_id:27361 — General Autonomy for Industrial Vehicles
- [Polymet](https://lemstudio.co/yc-companies/polymet-29821) — **Polymet** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29821 — AI Product Designer
- [Polymorph](https://lemstudio.co/yc-companies/polymorph-31275) — **Polymorph** · YC Winter 2026 · B2B · Active · team 4 · yc_id:31275 — Building secure polymorphic apps
- [Polytomic](https://lemstudio.co/yc-companies/polytomic-13088) — **Polytomic** · YC Winter 2020 · B2B, Analytics · Active · team 7 · yc_id:13088 — No-code data syncing between your systems
- [Pomello](https://lemstudio.co/yc-companies/pomello-744) — **Pomello** · YC Winter 2015 · B2B, Recruiting and Talent · Acquired · team 8 · yc_id:744 — Analytics software that helps companies measure organizational…
- [Pond](https://lemstudio.co/yc-companies/pond-30621) — **Pond** · YC Summer 2025 · B2B, Productivity · Active · team 2 · yc_id:30621 — Superhuman for text messages
- [Ponyrun](https://lemstudio.co/yc-companies/ponyrun-25866) — **Ponyrun** · YC Winter 2022 · B2B, Operations · Active · team 3 · yc_id:25866 — Automate prospect research at scale
- [Pools (fka Withfriends)](https://lemstudio.co/yc-companies/pools-fka-withfriends-12281) — **Pools (fka Withfriends)** · YC Winter 2019 · Consumer, Social · Active · team 2 · yc_id:12281 — Pools is a memberships platform for event organizers
- [Pop Meals](https://lemstudio.co/yc-companies/pop-meals-1639) — **Pop Meals** · YC Summer 2017 · Consumer, Food and Beverage · Active · team 153 · yc_id:1639 — Pop Meals is a restaurant chain without chefs. All recipes are…
- [Popcuts](https://lemstudio.co/yc-companies/popcuts-298) — **Popcuts** · YC Summer 2008 · Consumer, Content · Inactive · team 2 · yc_id:298 — Popcuts is an online music store where fans participate in the…
- [Popl](https://lemstudio.co/yc-companies/popl-22878) — **Popl** · YC Winter 2021 · B2B · Active · team 60 · yc_id:22878 — Your AI GTM platform for In-Person Events
- [PoplarML](https://lemstudio.co/yc-companies/poplarml-27821) — **PoplarML** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:27821 — Deploy Machine Learning Models with One Command
- [Poppy](https://lemstudio.co/yc-companies/poppy-1045) — **Poppy** · YC Winter 2016 · Consumer, Home and Personal · Inactive · team 2 · yc_id:1045 — Poppy makes it easy for parents to find high quality childcare with…
- [Pops](https://lemstudio.co/yc-companies/pops-31480) — **Pops** · YC Spring 2026 · Consumer, Gaming · Active · team 1 · yc_id:31480 — Create & play AI games with friends
- [PopSQL](https://lemstudio.co/yc-companies/popsql-12509) — **PopSQL** · YC Summer 2019 · B2B, Engineering, Product and Design · Acquired · team 15 · yc_id:12509 — SQL editor for teams
- [Popsy](https://lemstudio.co/yc-companies/popsy-26796) — **Popsy** · YC Summer 2022 · B2B, Marketing · Active · team 2 · yc_id:26796 — AI tool that finds you leads on Reddit and sends them hyper…
- [Popular Pays](https://lemstudio.co/yc-companies/popular-pays-824) — **Popular Pays** · YC Winter 2015 · B2B, Marketing · Acquired · team 37 · yc_id:824 — Software for collaborating with content creators and influencers 
- [Portal Entryways](https://lemstudio.co/yc-companies/portal-entryways-11971) — **Portal Entryways** · YC Winter 2019 · B2B, Office Management · Inactive · team 4 · yc_id:11971 — Portal Entryways upgrades disabled-accessible doors so they can be…
- [Portalform](https://lemstudio.co/yc-companies/portalform-27928) — **Portalform** · YC Winter 2023 · B2B, Infrastructure · Active · team 4 · yc_id:27928 — Build and host internal tools
- [Portão 3](https://lemstudio.co/yc-companies/port-o-3-24477) — **Portão 3** · YC Summer 2021 · B2B, Finance and Accounting · Active · team 40 · yc_id:24477 — We are the frictionless way for companies to make payments.
- [Porter](https://lemstudio.co/yc-companies/porter-13091) — **Porter** · YC Summer 2020 · B2B, Infrastructure · Active · team 18 · yc_id:13091 — Easiest way to deploy on AWS/GCP/Azure
- [Posh](https://lemstudio.co/yc-companies/posh-25677) — **Posh** · YC Winter 2022 · Industrials, Climate · Active · team 10 · yc_id:25677 — Rapidly deployable energy solutions for modern commercial and…
- [Positional](https://lemstudio.co/yc-companies/positional-23860) — **Positional** · YC Summer 2021 · B2B, Marketing · Acquired · team 5 · yc_id:23860 — A modern platform for content marketing & SEO.
- [Positive](https://lemstudio.co/yc-companies/positive-11934) — **Positive** · YC Winter 2019 · Consumer, Food and Beverage · Active · team 47 · yc_id:11934 — Healthy packaged fresh food
- [Posmetrics](https://lemstudio.co/yc-companies/posmetrics-514) — **Posmetrics** · YC Winter 2013 · B2B, Retail · Inactive · team 2 · yc_id:514 — Ultra-short feedback surveys on tablets mounted in businesses. Higher…
- [Post.fm](https://lemstudio.co/yc-companies/post-fm-199) — **Post.fm** · YC Summer 2010 · B2B, Productivity · Inactive · yc_id:199 — New email inbox.
- [Postal](https://lemstudio.co/yc-companies/postal-26012) — **Postal** · YC Winter 2022 · Fintech, Insurance · Active · team 4 · yc_id:26012 — An AI native virtual address & mailroom for businesses.
- [PostEra](https://lemstudio.co/yc-companies/postera-13332) — **PostEra** · YC Winter 2020 · Healthcare, Drug Discovery and Delivery · Active · team 40 · yc_id:13332 — Medicinal Chemistry powered by Machine Learning
- [Posterous](https://lemstudio.co/yc-companies/posterous-281) — **Posterous** · YC Summer 2008 · Consumer, Social · Acquired · team 11 · yc_id:281 — Dead simple blogs by email
- [PostHog](https://lemstudio.co/yc-companies/posthog-13312) — **PostHog** · YC Winter 2020 · B2B, Analytics · Active · team 150 · yc_id:13312 — The single platform to analyze, test, observe, and deploy new features
- [Postscript](https://lemstudio.co/yc-companies/postscript-11969) — **Postscript** · YC Winter 2019 · B2B, Marketing · Active · team 180 · yc_id:11969 — The SMS revenue platform for e-commerce merchants
- [Poth Labs](https://lemstudio.co/yc-companies/poth-labs-31272) — **Poth Labs** · YC Summer 2026 · B2B · Active · team 2 · yc_id:31272 — The customer brain that connects data to explain customer behavior
- [Potion](https://lemstudio.co/yc-companies/potion-23977) — **Potion** · YC Summer 2021 · B2B · Active · team 7 · yc_id:23977 — AI for product formulation
- [Povio](https://lemstudio.co/yc-companies/povio-615) — **Povio** · YC Winter 2014 · B2B, Engineering, Product and Design · Active · team 250 · yc_id:615 — Engineering and Design that Fuels Startup Success
- [Powder](https://lemstudio.co/yc-companies/powder-29467) — **Powder** · YC Winter 2024 · Fintech, Asset Management · Active · team 6 · yc_id:29467 — AI Agents for precise document analysis
- [Powerdocs](https://lemstudio.co/yc-companies/powerdocs-26148) — **Powerdocs** · YC Winter 2022 · B2B · Active · team 4 · yc_id:26148 — Create professional proposals, quotes, and documents in seconds.
- [Powerhouse AI](https://lemstudio.co/yc-companies/powerhouse-ai-26053) — **Powerhouse AI** · YC Winter 2022 · B2B, Supply Chain and Logistics · Active · team 6 · yc_id:26053 — Vision-powered warehouse automation: maximizing performance and value
- [PowerRouter](https://lemstudio.co/yc-companies/powerrouter-22670) — **PowerRouter** · YC Winter 2021 · B2B, Sales · Active · team 3 · yc_id:22670 — PowerRouter helps sales teams with lead routing in Salesforce
- [PowerUs](https://lemstudio.co/yc-companies/powerus-21847) — **PowerUs** · YC Summer 2020 · Consumer, Job and Career Services · Active · team 80 · yc_id:21847 — LinkedIn for skilled blue-collar workers 
- [PowerX](https://lemstudio.co/yc-companies/powerx-13525) — **PowerX** · YC Winter 2020 · Industrials, Climate · Acquired · team 20 · yc_id:13525 — AI powered sensors that save energy, water and emissions
- [Pragmatic Leaders (Ankai Inc)](https://lemstudio.co/yc-companies/pragmatic-leaders-ankai-inc-22738) — **Pragmatic Leaders (Ankai Inc)** · YC Winter 2021 · B2B · Active · team 10 · yc_id:22738 — AI-powered Corporate Training: Faster, Smarter, and More Effective
- [Prana](https://lemstudio.co/yc-companies/prana-31177) — **Prana** · YC Winter 2026 · Healthcare, Consumer Health and Wellness · Active · team 4 · yc_id:31177 — An AI primary care doctor in your pocket
- [Praxim](https://lemstudio.co/yc-companies/praxim-30187) — **Praxim** · YC Winter 2025 · B2B, Productivity · Active · team 2 · yc_id:30187 — The agentic AI Word editor
- [Praxis Robotics](https://lemstudio.co/yc-companies/praxis-robotics-33022) — **Praxis Robotics** · YC Summer 2026 · Industrials · Active · team 3 · yc_id:33022 — Turns real businesses into robotics data vendors
- [Praxos](https://lemstudio.co/yc-companies/praxos-29778) — **Praxos** · YC Summer 2024 · B2B · Active · team 3 · yc_id:29778 — Team messaging with built-in memory
- [Prayas Analytics](https://lemstudio.co/yc-companies/prayas-analytics-929) — **Prayas Analytics** · YC Summer 2015 · B2B, Retail · Inactive · team 2 · yc_id:929 — A/B testing for brick-and-mortar stores.
- [Pre](https://lemstudio.co/yc-companies/pre-29608) — **Pre** · YC Summer 2024 · B2B, Operations · Inactive · team 2 · yc_id:29608 — The AI accountability agent for startup founders
- [Precious](https://lemstudio.co/yc-companies/precious-1725) — **Precious** · YC Winter 2018 · Consumer, Social · Active · team 7 · yc_id:1725 — AI to curate your baby photos
- [Precip](https://lemstudio.co/yc-companies/precip-29247) — **Precip** · YC Winter 2024 · Consumer · Active · team 3 · yc_id:29247 — High precision AI weather 
- [Preclusio](https://lemstudio.co/yc-companies/preclusio-12571) — **Preclusio** · YC Summer 2019 · B2B, Infrastructure · Inactive · team 2 · yc_id:12571 — We help companies comply with privacy laws like GDPR. Many of these…
- [Precognate](https://lemstudio.co/yc-companies/precognate-292) — **Precognate** · YC Summer 2008 · Consumer, Gaming · Inactive · yc_id:292
- [PredictLeads](https://lemstudio.co/yc-companies/predictleads-12832) — **PredictLeads** · YC Summer 2019 · B2B, Analytics · Active · team 37 · yc_id:12832 — Best in class company intelligence data. 
- [PreDxion Bio](https://lemstudio.co/yc-companies/predxion-bio-1655) — **PreDxion Bio** · YC Summer 2017 · Healthcare, Diagnostics · Inactive · team 6 · yc_id:1655 — Rapid, scalable diagnostic for SARS-CoV-2 and beyond
- [Preflight](https://lemstudio.co/yc-companies/preflight-11965) — **Preflight** · YC Winter 2019 · B2B, Engineering, Product and Design · Acquired · team 5 · yc_id:11965 — No-code Web Apps testing for everyone
- [Preki](https://lemstudio.co/yc-companies/preki-23239) — **Preki** · YC Winter 2021 · B2B · Acquired · team 15 · yc_id:23239 — Shopify for LatAm
- [Prelay](https://lemstudio.co/yc-companies/prelay-13570) — **Prelay** · YC Winter 2020 · B2B, Sales · Inactive · team 16 · yc_id:13570 — Team Selling Platform
- [Prelim](https://lemstudio.co/yc-companies/prelim-1629) — **Prelim** · YC Summer 2017 · Fintech · Active · team 49 · yc_id:1629 — Build better banking
- [Preloop](https://lemstudio.co/yc-companies/preloop-29375) — **Preloop** · YC Winter 2024 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:29375 — Translate your experimental scripts into production ML services
- [Prembly (formerly Identitypass)](https://lemstudio.co/yc-companies/prembly-formerly-identitypass-25697) — **Prembly (formerly Identitypass)** · YC Winter 2022 · B2B, Infrastructure · Active · team 80 · yc_id:25697 — Identity Verification API for Emerging Markets
- [Prenda](https://lemstudio.co/yc-companies/prenda-12454) — **Prenda** · YC Summer 2019 · Education · Active · team 15 · yc_id:12454 — K-8 microschools in your neighborhood
- [Prendea](https://lemstudio.co/yc-companies/prendea-23278) — **Prendea** · YC Winter 2021 · Education · Inactive · team 5 · yc_id:23278 — Live afterschool classes for Spanish-speaking kids ages 4 to 15.
- [Prequel](https://lemstudio.co/yc-companies/prequel-22772) — **Prequel** · YC Winter 2021 · B2B, Analytics · Active · team 9 · yc_id:22772 — Helping B2B co's sync data to their customers
- [Prescience, Inc.](https://lemstudio.co/yc-companies/prescience-inc-31086) — **Prescience, Inc.** · YC Summer 2026 · Healthcare · Active · team 5 · yc_id:31086 — Superintelligent health insurance that keeps employees healthy
- [Preseen](https://lemstudio.co/yc-companies/preseen-30566) — **Preseen** · YC Summer 2025 · B2B, Analytics · Active · team 1 · yc_id:30566 — The AI forecasting company for global macro events. 
- [Presti AI](https://lemstudio.co/yc-companies/presti-ai-29780) — **Presti AI** · YC Summer 2024 · B2B, Retail · Active · team 3 · yc_id:29780 — Helping furniture companies create product visuals with AI
- [Presto](https://lemstudio.co/yc-companies/presto-177) — **Presto** · YC Summer 2010 · B2B, Retail · Public · team 200 · yc_id:177 — Digital meets physical for big chain restaurants
- [Pretty Instant](https://lemstudio.co/yc-companies/pretty-instant-825) — **Pretty Instant** · YC Winter 2015 · Consumer, Home and Personal · Acquired · team 3 · yc_id:825 — Inventor of the first roaming-photo booth + pro photography platform
- [Pretzel AI](https://lemstudio.co/yc-companies/pretzel-ai-29265) — **Pretzel AI** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29265 — AI tooling
- [Pribbit](https://lemstudio.co/yc-companies/pribbit-210) — **Pribbit** · YC Summer 2010 · Consumer, Social · Inactive · yc_id:210 — Like Twitter but you post others' status.
- [Priceonomics](https://lemstudio.co/yc-companies/priceonomics-59) — **Priceonomics** · YC Winter 2012 · B2B, Marketing · Acquired · team 2 · yc_id:59 — We help companies turn their data into great stories.
- [Priime](https://lemstudio.co/yc-companies/priime-826) — **Priime** · YC Winter 2015 · Consumer, Social · Inactive · team 3 · yc_id:826 — Priime is a company dedicated to advancements in technology around…
- [Prime Lightworks](https://lemstudio.co/yc-companies/prime-lightworks-1181) — **Prime Lightworks** · YC Summer 2016 · Industrials, Aviation and Space · Active · team 1 · yc_id:1181 — Prime Lightworks Inc. manufactures electric propulsion systems for…
- [PrimeVault](https://lemstudio.co/yc-companies/primevault-27137) — **PrimeVault** · YC Summer 2022 · Fintech, Asset Management · Active · team 11 · yc_id:27137 — Infrastructure powering stablecoin and digital finance
- [primitive](https://lemstudio.co/yc-companies/primitive-31329) — **primitive** · YC Spring 2026 · B2B, Infrastructure · Active · team 4 · yc_id:31329 — communication for agents
- [PRINCEPS](https://lemstudio.co/yc-companies/princeps-33278) — **PRINCEPS** · YC Summer 2026 · Fintech, Insurance · Active · team 2 · yc_id:33278 — AI-native insurance company for the compute economy
- [Prism](https://lemstudio.co/yc-companies/prism-30492) — **Prism** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30492 — Abundant Intelligence for Everyone
- [Prism](https://lemstudio.co/yc-companies/prism-30944) — **Prism** · YC Spring 2026 · B2B, Recruiting and Talent · Active · team 3 · yc_id:30944 — AI-native recruiting agency
- [Prism Labs](https://lemstudio.co/yc-companies/prism-labs-1589) — **Prism Labs** · YC Summer 2017 · Consumer, Job and Career Services · Inactive · team 5 · yc_id:1589
- [Prized](https://lemstudio.co/yc-companies/prized-32164) — **Prized** · YC Summer 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:32164 — A cloud devbox that feels local
- [Probably Genetic](https://lemstudio.co/yc-companies/probably-genetic-12036) — **Probably Genetic** · YC Winter 2019 · Healthcare, Diagnostics · Active · team 17 · yc_id:12036 — Patient Intelligence Platform for Genetic Disease 
- [Probe](https://lemstudio.co/yc-companies/probe-31515) — **Probe** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:31515 — Agent-Native Incident Management
- [Probo](https://lemstudio.co/yc-companies/probo-30528) — **Probo** · YC Spring 2025 · B2B, Security · Active · team 6 · yc_id:30528 — We help you get compliant while you focus on your business.
- [Proception Inc](https://lemstudio.co/yc-companies/proception-inc-30320) — **Proception Inc** · YC Winter 2025 · Industrials, Manufacturing and Robotics · Active · team 10 · yc_id:30320 — Making humanoids dexterous enough to thread a needle
- [ProcIndex](https://lemstudio.co/yc-companies/procindex-30719) — **ProcIndex** · YC Summer 2025 · B2B, Finance and Accounting · Active · team 4 · yc_id:30719 — AI-powered accounting automation for construction and manufacturing
- [Procoto](https://lemstudio.co/yc-companies/procoto-22867) — **Procoto** · YC Winter 2021 · B2B, Finance and Accounting · Acquired · team 4 · yc_id:22867 — Self-service RFP management
- [Prodigal](https://lemstudio.co/yc-companies/prodigal-1988) — **Prodigal** · YC Summer 2018 · Fintech, Credit and Lending · Active · team 99 · yc_id:1988 — Lending Intelligence Software
- [Prodigy Research](https://lemstudio.co/yc-companies/prodigy-research-32254) — **Prodigy Research** · YC Summer 2026 · Fintech · Active · team 2 · yc_id:32254 — Training the world's best AI model for quantitative finance.
- [Product Hunt](https://lemstudio.co/yc-companies/product-hunt-697) — **Product Hunt** · YC Summer 2014 · Consumer, Content · Acquired · team 18 · yc_id:697 — The best new products in tech
- [Profig](https://lemstudio.co/yc-companies/profig-435) — **Profig** · YC Summer 2012 · B2B, Operations · Inactive · team 2 · yc_id:435 — The phone system for businesses. Manage everything from your company…
- [Proglix](https://lemstudio.co/yc-companies/proglix-27992) — **Proglix** · YC Winter 2023 · Industrials · Active · team 25 · yc_id:27992 — B2B Marketplace for Steel Raw Materials
- [ProhostAI](https://lemstudio.co/yc-companies/prohostai-29607) — **ProhostAI** · YC Summer 2024 · B2B · Active · team 5 · yc_id:29607 — AI Property Manager for Airbnb & Short-Term Rental Hosts
- [Project Wedding](https://lemstudio.co/yc-companies/project-wedding-369) — **Project Wedding** · YC Winter 2006 · Consumer, Home and Personal · Acquired · team 2 · yc_id:369
- [ProjectX](https://lemstudio.co/yc-companies/projectx-31507) — **ProjectX** · YC Spring 2026 · B2B, Infrastructure · Active · team 8 · yc_id:31507 — Agent native workspace for heavy parallel workflows on the web 
- [Proliferate](https://lemstudio.co/yc-companies/proliferate-30659) — **Proliferate** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · yc_id:30659 — Do your life's work with agents
- [Prolific](https://lemstudio.co/yc-companies/prolific-12612) — **Prolific** · YC Summer 2019 · B2B · Active · team 180 · yc_id:12612 — Making diverse, high-quality data easily available to anyone, anywhere
- [Promakhos Therapeutics](https://lemstudio.co/yc-companies/promakhos-therapeutics-23783) — **Promakhos Therapeutics** · YC Summer 2021 · Healthcare, Therapeutics · Active · team 2 · yc_id:23783 — A therapeutics platform for curing inflammatory disorders
- [Prometheus](https://lemstudio.co/yc-companies/prometheus-12287) — **Prometheus** · YC Winter 2019 · Industrials, Energy · Active · team 25 · yc_id:12287 — We use solar and wind power to make zero net carbon electrofuels
- [Promi](https://lemstudio.co/yc-companies/promi-29725) — **Promi** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29725 — Providing quick product and design feedback via digital twins
- [Promise](https://lemstudio.co/yc-companies/promise-1769) — **Promise** · YC Winter 2018 · Government · Active · team 80 · yc_id:1769 — Better payment systems for governments and the communities they serve.
- [Promoted.ai](https://lemstudio.co/yc-companies/promoted-ai-22827) — **Promoted.ai** · YC Winter 2021 · B2B · Acquired · team 12 · yc_id:22827 — Dramatically better search and ads for marketplaces
- [Prompt](https://lemstudio.co/yc-companies/prompt-12570) — **Prompt** · YC Summer 2019 · B2B, Infrastructure · Inactive · team 1 · yc_id:12570 — Helping busy professionals understand and maintain their relationships
- [PromptArmor](https://lemstudio.co/yc-companies/promptarmor-29324) — **PromptArmor** · YC Winter 2024 · B2B, Security · Active · yc_id:29324 — LLM Security and Compliance
- [Promptless](https://lemstudio.co/yc-companies/promptless-30207) — **Promptless** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:30207 — An AI teammate that automatically updates your customer-facing docs
- [PromptLoop](https://lemstudio.co/yc-companies/promptloop-25329) — **PromptLoop** · YC Winter 2022 · B2B, Analytics · Active · team 2 · yc_id:25329 — AI agents to build B2B datasets
- [Pronto](https://lemstudio.co/yc-companies/pronto-12261) — **Pronto** · YC Winter 2019 · Consumer, Transportation Services · Active · team 62 · yc_id:12261 — Ride-sharing for second-tier cities in Latin America.
- [Proof of Human](https://lemstudio.co/yc-companies/proof-of-human-29005) — **Proof of Human** · YC Summer 2023 · B2B, Security · Active · team 5 · yc_id:29005 — continuous human verification without CAPTCHAs or user friction
- [Proof Trading](https://lemstudio.co/yc-companies/proof-trading-12727) — **Proof Trading** · YC Summer 2019 · Fintech, Banking and Exchange · Active · team 7 · yc_id:12727 — Institutional equities broker-dealer
- [Propaya](https://lemstudio.co/yc-companies/propaya-29815) — **Propaya** · YC Summer 2024 · Real Estate and Construction, Housing and Real Estate · Active · team 2 · yc_id:29815
- [PropelAuth](https://lemstudio.co/yc-companies/propelauth-25946) — **PropelAuth** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:25946 — Team-based authentication for B2B SaaS
- [Proper](https://lemstudio.co/yc-companies/proper-25344) — **Proper** · YC Winter 2022 · B2B, Finance and Accounting · Acquired · team 10 · yc_id:25344 — Reconciliation and financial operations platform
- [Propexo](https://lemstudio.co/yc-companies/propexo-27876) — **Propexo** · YC Winter 2023 · B2B · Active · team 6 · yc_id:27876 — Plaid for Commercial Real Estate
- [Prophecy Sciences](https://lemstudio.co/yc-companies/prophecy-sciences-515) — **Prophecy Sciences** · YC Winter 2013 · B2B, Recruiting and Talent · Inactive · team 2 · yc_id:515 — Predicting workplace performance through neuroscience
- [Propolis](https://lemstudio.co/yc-companies/propolis-30536) — **Propolis** · YC Spring 2025 · B2B · Acquired · team 2 · yc_id:30536 — Hands off QA via intelligent browser agents. 
- [PropReturns](https://lemstudio.co/yc-companies/propreturns-24046) — **PropReturns** · YC Summer 2021 · Real Estate and Construction, Housing and Real Estate · Inactive · team 40 · yc_id:24046 — End-to-end commercial real estate transaction platform 
- [Proprio Robotics](https://lemstudio.co/yc-companies/proprio-robotics-31569) — **Proprio Robotics** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 1 · yc_id:31569 — Robots to maintain and assemble data centers
- [PropRise](https://lemstudio.co/yc-companies/proprise-28808) — **PropRise** · YC Summer 2023 · Real Estate and Construction · Active · team 3 · yc_id:28808 — The AI platform for CRE investment teams
- [ProSights](https://lemstudio.co/yc-companies/prosights-29398) — **ProSights** · YC Winter 2024 · B2B, Operations · Active · team 14 · yc_id:29398 — ProSights is a data / AI transformation partner to PE-backed portcos.
- [Prospa](https://lemstudio.co/yc-companies/prospa-23398) — **Prospa** · YC Winter 2021 · Fintech, Banking and Exchange · Active · team 70 · yc_id:23398 — Banking for businesses 
- [Prosper](https://lemstudio.co/yc-companies/prosper-28821) — **Prosper** · YC Summer 2023 · B2B · Active · team 60 · yc_id:28821 — AI Phone Agents for Healthcare Operations
- [Protego](https://lemstudio.co/yc-companies/protego-24823) — **Protego** · YC Summer 2021 · B2B, Security · Inactive · team 5 · yc_id:24823 — We help companies recover lost revenue from chargebacks
- [Protent](https://lemstudio.co/yc-companies/protent-31106) — **Protent** · YC Winter 2026 · B2B, Security · Active · team 2 · yc_id:31106 — Real time intelligence for law enforcement & security teams.
- [Protex AI](https://lemstudio.co/yc-companies/protex-ai-24444) — **Protex AI** · YC Summer 2021 · B2B, Supply Chain and Logistics · Active · team 5 · yc_id:24444 — Computer vision that makes the industrial workplace, safer
- [Protobase](https://lemstudio.co/yc-companies/protobase-13158) — **Protobase** · YC Winter 2020 · B2B, Engineering, Product and Design · Inactive · team 1 · yc_id:13158 — Protobase is a 10x, next-generation spreadsheet.
- [Protocol Labs](https://lemstudio.co/yc-companies/protocol-labs-681) — **Protocol Labs** · YC Summer 2014 · B2B, Infrastructure · Active · team 130 · yc_id:681 — Protocol Labs makes internet protocols: IPFS, Filecoin, and more.
- [Protonet](https://lemstudio.co/yc-companies/protonet-1082) — **Protonet** · YC Winter 2016 · B2B, Infrastructure · Active · yc_id:1082 — Protonet provides the easiest way for a small business to run its own…
- [Prototyping.io](https://lemstudio.co/yc-companies/prototyping-io-31436) — **Prototyping.io** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Acquired · team 2 · yc_id:31436 — Autonomous manufacturing for mechanical parts
- [Proven Group](https://lemstudio.co/yc-companies/proven-group-1723) — **Proven Group** · YC Winter 2018 · Consumer · Active · team 40 · yc_id:1723 — PROVEN is using AI, data and personalization to disrupt CPG
- [ProvenMetal](https://lemstudio.co/yc-companies/provenmetal-33017) — **ProvenMetal** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 4 · yc_id:33017 — AI-native electronics manufacturing for the American industrial base
- [Provision](https://lemstudio.co/yc-companies/provision-26863) — **Provision** · YC Summer 2022 · B2B, Infrastructure · Active · team 15 · yc_id:26863 — Ironclad for construction
- [Prox](https://lemstudio.co/yc-companies/prox-30592) — **Prox** · YC Fall 2025 · B2B, Retail · Active · team 7 · yc_id:30592 — AI product specialists for equipment manufacturers
- [Proximitty](https://lemstudio.co/yc-companies/proximitty-31169) — **Proximitty** · YC Winter 2026 · Fintech, Credit and Lending · Active · team 2 · yc_id:31169 — AI operating system for commercial loans
- [Proxino](https://lemstudio.co/yc-companies/proxino-81) — **Proxino** · YC Summer 2011 · B2B, Infrastructure · Inactive · yc_id:81 — Javascript proxy.
- [Proxis](https://lemstudio.co/yc-companies/proxis-29668) — **Proxis** · YC Summer 2024 · B2B · Active · team 3 · yc_id:29668 — The platform for enterprise AI agent automations, starting with email.
- [Proxy](https://lemstudio.co/yc-companies/proxy-1352) — **Proxy** · YC Summer 2016 · Consumer, Consumer Electronics · Acquired · team 20 · yc_id:1352 — Smart ring digital wallet
- [Pry Financials](https://lemstudio.co/yc-companies/pry-financials-22830) — **Pry Financials** · YC Winter 2021 · B2B, Finance and Accounting · Acquired · team 7 · yc_id:22830 — Finance for Founders (now at prune.com)
- [Psylaris](https://lemstudio.co/yc-companies/psylaris-1814) — **Psylaris** · YC Winter 2018 · Healthcare, Healthcare Services · Active · team 23 · yc_id:1814 — Psychotherapy through autonomous and personalized VR-sessions.
- [Pulley](https://lemstudio.co/yc-companies/pulley-13097) — **Pulley** · YC Winter 2020 · B2B, Finance and Accounting · Active · team 68 · yc_id:13097 — Pulley helps founders and finance teams manage their equity and cap…
- [PullRequest](https://lemstudio.co/yc-companies/pullrequest-1715) — **PullRequest** · YC Summer 2017 · B2B, Engineering, Product and Design · Acquired · team 11 · yc_id:1715 — Code review as a service - combining automation with a network of…
- [Pulpix](https://lemstudio.co/yc-companies/pulpix-1019) — **Pulpix** · YC Winter 2016 · B2B, Marketing · Acquired · team 15 · yc_id:1019 — Binge-watching technology for video platforms. 
- [Pulppo](https://lemstudio.co/yc-companies/pulppo-26862) — **Pulppo** · YC Summer 2022 · Real Estate and Construction, Housing and Real Estate · Acquired · team 29 · yc_id:26862 — Shopify for Real Estate Agents in LATAM
- [Pulse](https://lemstudio.co/yc-companies/pulse-1741) — **Pulse** · YC Winter 2018 · B2B, Productivity · Acquired · team 11 · yc_id:1741 — We're crowdsourced Gartner so IT executives can learn directly from…
- [Pulse](https://lemstudio.co/yc-companies/pulse-1465) — **Pulse** · YC Winter 2017 · Healthcare, Consumer Health and Wellness · Inactive · team 30 · yc_id:1465 — Electronic Medical Records for India
- [Pulse](https://lemstudio.co/yc-companies/pulse-29699) — **Pulse** · YC Summer 2024 · B2B, Infrastructure · Active · team 22 · yc_id:29699 — Production-grade unstructured document extraction
- [Pulse Active Stations Network](https://lemstudio.co/yc-companies/pulse-active-stations-network-12259) — **Pulse Active Stations Network** · YC Winter 2019 · Healthcare, Consumer Health and Wellness · Active · team 10 · yc_id:12259 — We are a connected network of smart health machines in India.
- [Pump.co](https://lemstudio.co/yc-companies/pump-co-27178) — **Pump.co** · YC Summer 2022 · Fintech · Active · team 75 · yc_id:27178 — The Costco for cloud is here 🔥🔥
- [PumpGTM](https://lemstudio.co/yc-companies/pumpgtm-31536) — **PumpGTM** · YC Spring 2026 · B2B, Marketing · Active · team 5 · yc_id:31536 — Find and engage with desperate buyers across LinkedIn, Email, and X
- [Punchcard](https://lemstudio.co/yc-companies/punchcard-28849) — **Punchcard** · YC Summer 2023 · B2B, Finance and Accounting · Active · team 6 · yc_id:28849 — Agentive assurance system for auditors, risk consultants, and clients.
- [Pure](https://lemstudio.co/yc-companies/pure-29053) — **Pure** · YC Summer 2023 · Consumer · Active · team 13 · yc_id:29053 — Marketplace for Rare Coins & Precious Metals
- [Purple Plate](https://lemstudio.co/yc-companies/purple-plate-1958) — **Purple Plate** · YC Summer 2018 · Consumer, Food and Beverage · Inactive · team 45 · yc_id:1958 — We license brands for delivery and pick-up
- [Purpose Finance](https://lemstudio.co/yc-companies/purpose-finance-22883) — **Purpose Finance** · YC Winter 2021 · Fintech, Banking and Exchange · Inactive · team 3 · yc_id:22883 — Accelerating the shift to a more transparent economy 
- [Pursuit](https://lemstudio.co/yc-companies/pursuit-1241) — **Pursuit** · YC Summer 2016 · Consumer, Gaming · Acquired · team 2 · yc_id:1241 — Revlo helps broadcasters on Twitch engage and monetize their fan…
- [Pursuit](https://lemstudio.co/yc-companies/pursuit-25360) — **Pursuit** · YC Winter 2022 · Real Estate and Construction, Housing and Real Estate · Inactive · team 4 · yc_id:25360 — Turnkey co-ownership & management of properties
- [Pushbullet](https://lemstudio.co/yc-companies/pushbullet-616) — **Pushbullet** · YC Winter 2014 · Consumer, Home and Personal · Active · team 3 · yc_id:616 — Push things to your other things.
- [Py](https://lemstudio.co/yc-companies/py-1582) — **Py** · YC Summer 2017 · Education · Acquired · team 3 · yc_id:1582 — Py is democratizing access to career opportunities in tech
- [Pyka](https://lemstudio.co/yc-companies/pyka-1645) — **Pyka** · YC Summer 2017 · Industrials, Aviation and Space · Active · team 75 · yc_id:1645 — Autonomous electric airplanes
- [Pylon](https://lemstudio.co/yc-companies/pylon-24606) — **Pylon** · YC Summer 2021 · B2B, Infrastructure · Active · team 72 · yc_id:24606 — Infrastructure management software for water & electricity companies
- [Pylon](https://lemstudio.co/yc-companies/pylon-28069) — **Pylon** · YC Winter 2023 · B2B, Operations · Active · team 120 · yc_id:28069 — The Agentic Support Platform purpose-built for B2B.
- [Pyrls](https://lemstudio.co/yc-companies/pyrls-25525) — **Pyrls** · YC Winter 2022 · Healthcare, Healthcare IT · Active · team 3 · yc_id:25525 — Modern medical reference app for healthcare providers
- [Pyroscope](https://lemstudio.co/yc-companies/pyroscope-23229) — **Pyroscope** · YC Winter 2021 · B2B, Engineering, Product and Design · Acquired · team 5 · yc_id:23229 — Open source continuous profiling software to debug performance issues
- [Pyxai](https://lemstudio.co/yc-companies/pyxai-12063) — **Pyxai** · YC Winter 2019 · B2B, Recruiting and Talent · Active · team 5 · yc_id:12063 — An assessment tool that evaluates people to predict future success
- [Q2Q](https://lemstudio.co/yc-companies/q2q-31155) — **Q2Q** · YC Winter 2026 · B2B, Finance and Accounting · Inactive · team 2 · yc_id:31155 — We help private equity teams find acquisition targets faster
- [QFEX](https://lemstudio.co/yc-companies/qfex-30367) — **QFEX** · YC Spring 2025 · Fintech, Banking and Exchange · Active · team 14 · yc_id:30367 — 24/7 Global Stock Exchange
- [Qlo](https://lemstudio.co/yc-companies/qlo-32625) — **Qlo** · YC Summer 2026 · Fintech, Insurance · Active · team 2 · yc_id:32625 — Legora for commercial insurance carriers
- [Qokedas](https://lemstudio.co/yc-companies/qokedas-34794) — **Qokedas** · YC Fall 2026 · B2B · Active · team 3 · yc_id:34794 — Data for AI Science
- [qomplement](https://lemstudio.co/yc-companies/qomplement-31396) — **qomplement** · YC Spring 2026 · B2B · Active · team 7 · yc_id:31396 — The Agentic ERP for supply chain operations
- [Quad](https://lemstudio.co/yc-companies/quad-92) — **Quad** · YC Summer 2011 · Education · Inactive · team 12 · yc_id:92 — Quad is where college students get things done.
- [Quadrant Eye](https://lemstudio.co/yc-companies/quadrant-eye-22661) — **Quadrant Eye** · YC Winter 2021 · Healthcare, Medical Devices · Inactive · team 4 · yc_id:22661 — Breaking new ground in online eyecare. 
- [Quadrant Health](https://lemstudio.co/yc-companies/quadrant-health-22850) — **Quadrant Health** · YC Winter 2021 · Healthcare, Healthcare IT · Active · team 8 · yc_id:22850 — Analyzing EHR and messaging data to predict disease before it occurs.
- [QualGent](https://lemstudio.co/yc-companies/qualgent-30496) — **QualGent** · YC Spring 2025 · B2B · Active · team 10 · yc_id:30496 — AI Mobile App Quality Assurance Tester
- [Quan](https://lemstudio.co/yc-companies/quan-25929) — **Quan** · YC Winter 2022 · B2B, Human Resources · Acquired · team 17 · yc_id:25929 — End-to-end platform to improve wellbeing and team performance. 
- [Quantierra](https://lemstudio.co/yc-companies/quantierra-807) — **Quantierra** · YC Winter 2015 · Real Estate and Construction, Housing and Real Estate · Active · team 5 · yc_id:807 — Sourcing investment real estate
- [Quantstamp](https://lemstudio.co/yc-companies/quantstamp-1727) — **Quantstamp** · YC Winter 2018 · B2B, Security · Active · team 80 · yc_id:1727 — Security auditing for Web3
- [Quantstruct](https://lemstudio.co/yc-companies/quantstruct-30160) — **Quantstruct** · YC Winter 2025 · B2B · Active · team 2 · yc_id:30160 — AI documentation engineer – test & autoimprove stale product docs
- [Quartzy](https://lemstudio.co/yc-companies/quartzy-85) — **Quartzy** · YC Summer 2011 · Healthcare, Healthcare IT · Active · team 100 · yc_id:85 — Marketplace for life science supplies.
- [Quary](https://lemstudio.co/yc-companies/quary-29260) — **Quary** · YC Winter 2024 · B2B, Analytics · Inactive · team 2 · yc_id:29260 — The first in-browser analytics engineering platform
- [Queenly](https://lemstudio.co/yc-companies/queenly-22701) — **Queenly** · YC Winter 2021 · Consumer, Apparel and Cosmetics · Inactive · team 13 · yc_id:22701 — Leading marketplace for formalwear
- [Quell](https://lemstudio.co/yc-companies/quell-22301) — **Quell** · YC Summer 2020 · Consumer, Consumer Electronics · Acquired · team 40 · yc_id:22301 — Get fit fighting your way through a fantasy world.
- [Quero Education](https://lemstudio.co/yc-companies/quero-education-1339) — **Quero Education** · YC Summer 2016 · Education · Active · team 200 · yc_id:1339 — Quero is an online marketplace for college programs in Brazil. It…
- [Query Vary](https://lemstudio.co/yc-companies/query-vary-26066) — **Query Vary** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:26066 — No-Code LLM Application / Workflow Builder
- [QueryPie AI](https://lemstudio.co/yc-companies/querypie-ai-13231) — **QueryPie AI** · YC Winter 2020 · B2B · Active · team 70 · yc_id:13231 — QueryPie AIP - Enterprise Ready Agentic AI Platform
- [Quest](https://lemstudio.co/yc-companies/quest-24858) — **Quest** · YC Summer 2021 · Consumer, Content · Inactive · team 5 · yc_id:24858 — Audio career advice
- [QuestDB](https://lemstudio.co/yc-companies/questdb-21795) — **QuestDB** · YC Summer 2020 · B2B, Infrastructure · Active · team 30 · yc_id:21795 — High-performance time series database
- [Quetzal](https://lemstudio.co/yc-companies/quetzal-29833) — **Quetzal** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29833 — Simple, LLM-first translation and internationalization for software
- [Queue](https://lemstudio.co/yc-companies/queue-21814) — **Queue** · YC Summer 2020 · B2B, Engineering, Product and Design · Inactive · team 5 · yc_id:21814 — All-in-one platform for agencies to launch and grow
- [Quickcard](https://lemstudio.co/yc-companies/quickcard-13107) — **Quickcard** · YC Winter 2020 · B2B, Sales · Inactive · team 3 · yc_id:13107 — Dynamic sales materials that shape-shift based on the customers needs
- [Quickchat AI](https://lemstudio.co/yc-companies/quickchat-ai-1957) — **Quickchat AI** · YC Summer 2018 · B2B, Productivity · Active · team 7 · yc_id:1957 — Conversation Design platform to build Al Assistants tailored to your…
- [Quicknode](https://lemstudio.co/yc-companies/quicknode-22995) — **Quicknode** · YC Winter 2021 · B2B, Infrastructure · Active · team 115 · yc_id:22995 — Tools & infra to build and scale high-quality blockchain applications.
- [QUIK](https://lemstudio.co/yc-companies/quik-25959) — **QUIK** · YC Winter 2022 · Consumer · Active · team 20 · yc_id:25959 — Building the operating system for business in LATAM
- [Quill](https://lemstudio.co/yc-companies/quill-13242) — **Quill** · YC Winter 2020 · B2B, Analytics · Active · team 5 · yc_id:13242 — Fullstack API and management platform for dashboards and reporting
- [Quill Bills](https://lemstudio.co/yc-companies/quill-bills-29085) — **Quill Bills** · YC Summer 2023 · Healthcare, Healthcare IT · Active · team 3 · yc_id:29085 — AI-Powered Medical Billing
- [Quilt Data](https://lemstudio.co/yc-companies/quilt-data-1068) — **Quilt Data** · YC Winter 2016 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:1068 — Quilt manages data like code so that companies can experiment faster
- [Quindar](https://lemstudio.co/yc-companies/quindar-27052) — **Quindar** · YC Summer 2022 · B2B · Active · team 57 · yc_id:27052 — Datadog for Space
- [Quinn](https://lemstudio.co/yc-companies/quinn-26912) — **Quinn** · YC Summer 2022 · Healthcare, Drug Discovery and Delivery · Active · team 5 · yc_id:26912 — Your biopharma team, from molecule design to portfolio strategy
- [Quippy](https://lemstudio.co/yc-companies/quippy-36940) — **Quippy** · YC Fall 2026 · Consumer · Active · team 1 · yc_id:36940 — Helps build social skills through daily practice
- [Quivr](https://lemstudio.co/yc-companies/quivr-29504) — **Quivr** · YC Winter 2024 · B2B, Productivity · Active · team 5 · yc_id:29504 — AI-powered auto-resolutions and reply suggestions for customer…
- [Qulture.Rocks](https://lemstudio.co/yc-companies/qulture-rocks-1870) — **Qulture.Rocks** · YC Winter 2018 · B2B, Human Resources · Acquired · team 70 · yc_id:1870 — The people, management, and culture operating system for your startup.
- [Quo (fka OpenPhone)](https://lemstudio.co/yc-companies/quo-fka-openphone-1924) — **Quo (fka OpenPhone)** · YC Summer 2018 · B2B, Operations · Active · team 125 · yc_id:1924 — The all-in-one business phone for teams.
- [QuotaBook](https://lemstudio.co/yc-companies/quotabook-22990) — **QuotaBook** · YC Winter 2021 · B2B, Finance and Accounting · Active · team 50 · yc_id:22990 — Equity management platform for startups and investors.
- [Quotain](https://lemstudio.co/yc-companies/quotain-30739) — **Quotain** · YC Summer 2025 · B2B, Sales · Active · team 2 · yc_id:30739 — AI sales simulations using your real deals
- [Quotient Labs](https://lemstudio.co/yc-companies/quotient-labs-31082) — **Quotient Labs** · YC Winter 2026 · B2B, Productivity · Active · team 2 · yc_id:31082 — Use Claude Code at 47% less cost in one line of installation.
- [Qventus](https://lemstudio.co/yc-companies/qventus-740) — **Qventus** · YC Winter 2015 · Healthcare, Healthcare IT · Active · team 230 · yc_id:740 — We automate operations for hospitals and health systems
- [Qvin](https://lemstudio.co/yc-companies/qvin-1101) — **Qvin** · YC Winter 2016 · Healthcare, Consumer Health and Wellness · Active · team 30 · yc_id:1101 — Empowering women. Period.
- [R2](https://lemstudio.co/yc-companies/r2-22887) — **R2** · YC Winter 2021 · Fintech, Credit and Lending · Acquired · team 100 · yc_id:22887 — Embedded lending infrastructure
- [Rabbet](https://lemstudio.co/yc-companies/rabbet-1636) — **Rabbet** · YC Summer 2017 · Real Estate and Construction · Active · team 23 · yc_id:1636 — The financial foundation for every real estate development decision
- [Racer](https://lemstudio.co/yc-companies/racer-13173) — **Racer** · YC Summer 2020 · Consumer, Food and Beverage · Inactive · team 7 · yc_id:13173 — 15-minute food delivery
- [RADAR](https://lemstudio.co/yc-companies/radar-493) — **RADAR** · YC Winter 2013 · B2B, Retail · Active · team 120 · yc_id:493 — RADAR is building technology to completely transform the in-store…
- [Radical](https://lemstudio.co/yc-companies/radical-27960) — **Radical** · YC Winter 2023 · Industrials, Aviation and Space · Active · team 6 · yc_id:27960 — Building persistent, high-performance infrastructure in the sky
- [Radius](https://lemstudio.co/yc-companies/radius-30929) — **Radius** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30929 — Code and browse in the same place
- [Radix Labs](https://lemstudio.co/yc-companies/radix-labs-1932) — **Radix Labs** · YC Summer 2018 · Healthcare, Diagnostics · Inactive · team 7 · yc_id:1932 — Operating systems for biology labs
- [Radley](https://lemstudio.co/yc-companies/radley-33020) — **Radley** · YC Summer 2026 · Healthcare · Active · team 2 · yc_id:33020 — The AI-native radiology practice
- [RadMate AI](https://lemstudio.co/yc-companies/radmate-ai-29189) — **RadMate AI** · YC Winter 2024 · Healthcare · Inactive · team 2 · yc_id:29189 — Copilot for radiologists
- [Railbird](https://lemstudio.co/yc-companies/railbird-25305) — **Railbird** · YC Winter 2022 · Fintech · Acquired · team 8 · yc_id:25305 — A futures market for events.
- [Rain Neuromorphics](https://lemstudio.co/yc-companies/rain-neuromorphics-1963) — **Rain Neuromorphics** · YC Summer 2018 · Industrials, Manufacturing and Robotics · Acquired · team 12 · yc_id:1963 — We build artificial intelligence processors inspired by the brain.  
- [Rainbow](https://lemstudio.co/yc-companies/rainbow-12647) — **Rainbow** · YC Summer 2019 · Fintech, Consumer Finance · Active · team 28 · yc_id:12647 — Open-source, design centric software for interacting with blockchains
- [Raindrop](https://lemstudio.co/yc-companies/raindrop-29401) — **Raindrop** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 9 · yc_id:29401 — Sentry for AI Agents
- [Rainforest](https://lemstudio.co/yc-companies/rainforest-395) — **Rainforest** · YC Summer 2012 · B2B, Engineering, Product and Design · Active · team 40 · yc_id:395 — no-code end-to-end testing that integrates with any CI/CD pipeline
- [Rainmaker](https://lemstudio.co/yc-companies/rainmaker-27915) — **Rainmaker** · YC Winter 2023 · Fintech, Consumer Finance · Inactive · team 2 · yc_id:27915 — DeFi for Everyone
- [Rally](https://lemstudio.co/yc-companies/rally-22247) — **Rally** · YC Summer 2020 · Consumer, Social · Active · team 3 · yc_id:22247 — Rally is Zoom for social events
- [Rally](https://lemstudio.co/yc-companies/rally-25984) — **Rally** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 35 · yc_id:25984 — Agentic User Research Infrastructure
- [Rally](https://lemstudio.co/yc-companies/rally-30235) — **Rally** · YC Winter 2025 · Fintech · Active · team 5 · yc_id:30235 — Financial OS for Modern Fleets
- [Rally Tax](https://lemstudio.co/yc-companies/rally-tax-27986) — **Rally Tax** · YC Winter 2023 · Fintech · Acquired · team 5 · yc_id:27986 — AI-native tax platform to save $1T+ for Americans
- [Rally Tennis](https://lemstudio.co/yc-companies/rally-tennis-1495) — **Rally Tennis** · YC Winter 2017 · Consumer · Inactive · team 3 · yc_id:1495 — Join tennis league and play competitively with people nearby
- [Ralo](https://lemstudio.co/yc-companies/ralo-30426) — **Ralo** · YC Spring 2025 · Fintech, Consumer Finance · Active · team 2 · yc_id:30426 — AI-Native Mortgage Broker
- [RamAIn](https://lemstudio.co/yc-companies/ramain-31145) — **RamAIn** · YC Winter 2026 · B2B · Active · team 4 · yc_id:31145 — Automate any UI task with natural language
- [Ramani](https://lemstudio.co/yc-companies/ramani-13505) — **Ramani** · YC Winter 2020 · B2B, Retail · Active · team 70 · yc_id:13505 — We're building financial infrastructure for Africa's supply chains
- [Ramen VR](https://lemstudio.co/yc-companies/ramen-vr-12768) — **Ramen VR** · YC Summer 2019 · Consumer, Gaming · Active · team 15 · yc_id:12768 — Ramen VR is transforming game development with advanced XR + AI tools.
- [Random Labs](https://lemstudio.co/yc-companies/random-labs-29634) — **Random Labs** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · yc_id:29634 — Random labs is building long running autonomous coding agents.
- [Rank (formerly Moni)](https://lemstudio.co/yc-companies/rank-formerly-moni-25755) — **Rank (formerly Moni)** · YC Winter 2022 · Fintech, Credit and Lending · Active · team 20 · yc_id:25755 — Group Financing for small businesses across Africa.
- [Rankai](https://lemstudio.co/yc-companies/rankai-28992) — **Rankai** · YC Summer 2023 · B2B, Marketing · Active · team 3 · yc_id:28992 — RankAI grows your website on autopilot
- [RankScience](https://lemstudio.co/yc-companies/rankscience-1484) — **RankScience** · YC Winter 2017 · B2B, Marketing · Active · team 16 · yc_id:1484 — Automated SEO for Startups
- [Ranla](https://lemstudio.co/yc-companies/ranla-25605) — **Ranla** · YC Winter 2022 · B2B, Marketing · Active · team 3 · yc_id:25605 — The AI growth marketer that turns SaaS signups into revenue
- [Rapidfolio](https://lemstudio.co/yc-companies/rapidfolio-31161) — **Rapidfolio** · YC Summer 2026 · B2B · Active · yc_id:31161 — AI-native back-office for banks and fintechs
- [Rappi](https://lemstudio.co/yc-companies/rappi-1103) — **Rappi** · YC Winter 2016 · Consumer, Food and Beverage · Active · team 4800 · yc_id:1103 — On-demand delivery and financial services for Latin America.
- [Rapportive](https://lemstudio.co/yc-companies/rapportive-180) — **Rapportive** · YC Summer 2010 · B2B, Productivity · Acquired · team 2 · yc_id:180 — Add profiles to email.
- [Raptor Maps](https://lemstudio.co/yc-companies/raptor-maps-1201) — **Raptor Maps** · YC Summer 2016 · Industrials, Climate · Active · team 75 · yc_id:1201 — Raptor Maps builds software to manage the solar PV lifecycle.
- [Rare Door](https://lemstudio.co/yc-companies/rare-door-794) — **Rare Door** · YC Winter 2015 · Consumer, Home and Personal · Inactive · team 2 · yc_id:794 — Empowering brick-and-mortar retailers to sell more and engage shoppers
- [Rarebird](https://lemstudio.co/yc-companies/rarebird-22306) — **Rarebird** · YC Summer 2020 · Healthcare, Industrial Bio · Active · team 5 · yc_id:22306 — Elevating mental health to be a part of your daily coffee ritual.
- [RASPIRE](https://lemstudio.co/yc-companies/raspire-31494) — **RASPIRE** · YC Spring 2026 · B2B, Security · Active · team 3 · yc_id:31494 — Autonomous Runtime Security
- [Rastro](https://lemstudio.co/yc-companies/rastro-29834) — **Rastro** · YC Summer 2024 · B2B, Retail · Active · team 3 · yc_id:29834 — The fastest way to launch product catalogs.
- [Rasyn](https://lemstudio.co/yc-companies/rasyn-32261) — **Rasyn** · YC Summer 2026 · Healthcare · Active · team 3 · yc_id:32261 — Making chemicals 100,000x faster
- [Rational](https://lemstudio.co/yc-companies/rational-32622) — **Rational** · YC Summer 2026 · B2B, Operations · Active · team 2 · yc_id:32622 — First Zero-human Accounting Firm
- [Raven](https://lemstudio.co/yc-companies/raven-26783) — **Raven** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:26783 — AI Assistants for Manufacturing Operations
- [Raven Tech](https://lemstudio.co/yc-companies/raven-tech-842) — **Raven Tech** · YC Winter 2015 · B2B, Infrastructure · Acquired · team 11 · yc_id:842 — Our vision is to build the next generation of iOS or Android, to…
- [Ravion](https://lemstudio.co/yc-companies/ravion-25312) — **Ravion** · YC Winter 2022 · B2B, Infrastructure · Active · team 3 · yc_id:25312 — The easiest way to use AWS for agents and humans
- [Ravn](https://lemstudio.co/yc-companies/ravn-12071) — **Ravn** · YC Winter 2019 · Government · Active · team 10 · yc_id:12071 — Ravn is building a heads-up display for soldiers.
- [Ravti](https://lemstudio.co/yc-companies/ravti-735) — **Ravti** · YC Summer 2014 · Real Estate and Construction, Housing and Real Estate · Acquired · team 17 · yc_id:735 — Software to track, manage, and procure HVAC for commercial real…
- [Raycast](https://lemstudio.co/yc-companies/raycast-13414) — **Raycast** · YC Winter 2020 · B2B, Productivity · Active · team 27 · yc_id:13414 — Speed up non-coding tasks for engineering teams
- [Raycaster](https://lemstudio.co/yc-companies/raycaster-30039) — **Raycaster** · YC Fall 2024 · Healthcare · Active · team 6 · yc_id:30039 — Agentic AI for knowledge work
- [Razorpay](https://lemstudio.co/yc-companies/razorpay-827) — **Razorpay** · YC Winter 2015 · Fintech, Payments · Active · team 2700 · yc_id:827 — India's only full-stack financial solutions company for businesses.
- [rct AI](https://lemstudio.co/yc-companies/rct-ai-12299) — **rct AI** · YC Winter 2019 · Consumer, Content · Active · team 40 · yc_id:12299 — build AI NPCs
- [RDash](https://lemstudio.co/yc-companies/rdash-25572) — **RDash** · YC Winter 2022 · B2B, Infrastructure · Active · team 80 · yc_id:25572 — AI Powered Construction Management Software
- [Reach](https://lemstudio.co/yc-companies/reach-898) — **Reach** · YC Summer 2015 · Industrials, Energy · Active · team 45 · yc_id:898 — Long range, wireless energy distribution that scales
- [Reacher](https://lemstudio.co/yc-companies/reacher-30761) — **Reacher** · YC Summer 2025 · B2B · Active · team 10 · yc_id:30761 — We automate creator marketing for the world's largest brands
- [ReactWise](https://lemstudio.co/yc-companies/reactwise-29732) — **ReactWise** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29732 — AI Co-Pilot for Chemical Process Optimization
- [Read Bean](https://lemstudio.co/yc-companies/read-bean-28997) — **Read Bean** · YC Summer 2023 · Consumer · Active · team 3 · yc_id:28997 — Learn language with real-world content, at your level
- [Readily](https://lemstudio.co/yc-companies/readily-28809) — **Readily** · YC Summer 2023 · Healthcare · Active · team 20 · yc_id:28809 — AI Compliance Platform for Healthcare Organizations
- [ReadMe](https://lemstudio.co/yc-companies/readme-782) — **ReadMe** · YC Winter 2015 · B2B, Engineering, Product and Design · Active · team 52 · yc_id:782 — Beautiful, personalized, interactive developer hubs
- [Ready](https://lemstudio.co/yc-companies/ready-22108) — **Ready** · YC Summer 2020 · B2B · Active · team 60 · yc_id:22108 — Collaborative platform for optimizing regulated utilities such as…
- [Ready Education](https://lemstudio.co/yc-companies/ready-education-1286) — **Ready Education** · YC Summer 2016 · Consumer, Social · Active · team 54 · yc_id:1286 — Ready Education is building the mobile OS for higher education. We…
- [Ready For Zero](https://lemstudio.co/yc-companies/ready-for-zero-203) — **Ready For Zero** · YC Summer 2010 · Fintech, Consumer Finance · Inactive · team 12 · yc_id:203 — Personal debt and credit management. Acquired by Avant in 2015.
- [Real Artists](https://lemstudio.co/yc-companies/real-artists-1069) — **Real Artists** · YC Winter 2016 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:1069 — We make a fast and native issue tracker for software projects.
- [RealCrowd](https://lemstudio.co/yc-companies/realcrowd-554) — **RealCrowd** · YC Summer 2013 · Real Estate and Construction, Housing and Real Estate · Acquired · team 9 · yc_id:554 — Direct real estate investing marketplace
- [Reality Defender](https://lemstudio.co/yc-companies/reality-defender-26296) — **Reality Defender** · YC Winter 2022 · B2B, Security · Active · team 54 · yc_id:26296 — Enterprise Deepfake Detection
- [Realm](https://lemstudio.co/yc-companies/realm-96) — **Realm** · YC Summer 2011 · B2B, Infrastructure · Acquired · team 51 · yc_id:96 — Better data structures = no DB.
- [RealPact](https://lemstudio.co/yc-companies/realpact-32195) — **RealPact** · YC Summer 2026 · Real Estate and Construction, Housing and Real Estate · Active · team 2 · yc_id:32195 — AI-native OS for Real Estate Brokerages
- [RealRoots](https://lemstudio.co/yc-companies/realroots-30805) — **RealRoots** · YC Summer 2025 · Consumer, Social · Active · team 7 · yc_id:30805 — IRL friendship app for women
- [Reason Machines](https://lemstudio.co/yc-companies/reason-machines-31458) — **Reason Machines** · YC Spring 2026 · B2B, Productivity · Active · team 2 · yc_id:31458 — Reason Machines builds Reason Agent, the autonomous software engineer…
- [ReasonBlocks](https://lemstudio.co/yc-companies/reasonblocks-31546) — **ReasonBlocks** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31546 — Specialized models that make your AI agents cheaper and more reliable.
- [Rebellyous Foods](https://lemstudio.co/yc-companies/rebellyous-foods-1929) — **Rebellyous Foods** · YC Summer 2018 · Healthcare, Industrial Bio · Active · team 12 · yc_id:1929 — Rebellyous Foods is a food manufacturing technology and production…
- [Rebill](https://lemstudio.co/yc-companies/rebill-25315) — **Rebill** · YC Winter 2022 · Fintech, Payments · Active · team 11 · yc_id:25315 — Financial infrastructure for the Americas
- [Reble](https://lemstudio.co/yc-companies/reble-338) — **Reble** · YC Summer 2007 · Consumer, Content · Inactive · team 2 · yc_id:338 — P2P Music Sharing
- [Rebolt](https://lemstudio.co/yc-companies/rebolt-30324) — **Rebolt** · YC Winter 2025 · B2B · Active · team 3 · yc_id:30324 — AI-Powered Company OS
- [Rebulk](https://lemstudio.co/yc-companies/rebulk-30763) — **Rebulk** · YC Summer 2025 · B2B, Supply Chain and Logistics · Active · team 3 · yc_id:30763 — AI-native software for managing rail and bulk operations.
- [Recall.ai](https://lemstudio.co/yc-companies/recall-ai-13519) — **Recall.ai** · YC Winter 2020 · B2B, Infrastructure · Active · team 30 · yc_id:13519 — The API to get recordings, transcripts, and metadata from meetings
- [Recidiviz](https://lemstudio.co/yc-companies/recidiviz-12837) — **Recidiviz** · YC Summer 2019 · Government · Active · team 120 · yc_id:12837 — Helping create a smaller, fairer, safer justice system
- [RecipeUI](https://lemstudio.co/yc-companies/recipeui-29078) — **RecipeUI** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29078 — The open source Postman alternative.
- [Reclaim Protocol](https://lemstudio.co/yc-companies/reclaim-protocol-23105) — **Reclaim Protocol** · YC Winter 2021 · B2B, Recruiting and Talent · Active · team 17 · yc_id:23105 — Education, Employment, Loyalty verification. Global & Compliant.
- [RecordBook](https://lemstudio.co/yc-companies/recordbook-25619) — **RecordBook** · YC Winter 2022 · B2B · Active · team 15 · yc_id:25619 — Airtable for 400 Million SMBs Globally
- [Recover](https://lemstudio.co/yc-companies/recover-23432) — **Recover** · YC Winter 2021 · Healthcare, Consumer Health and Wellness · Active · team 10 · yc_id:23432 — Government-funded online addiction treatment
- [Recurious](https://lemstudio.co/yc-companies/recurious-265) — **Recurious** · YC Winter 2009 · Consumer, Social · Inactive · yc_id:265
- [Recurrency](https://lemstudio.co/yc-companies/recurrency-13330) — **Recurrency** · YC Summer 2020 · B2B, Sales · Active · team 50 · yc_id:13330 — Automated ERP for distributors.
- [Recurse Center](https://lemstudio.co/yc-companies/recurse-center-181) — **Recurse Center** · YC Summer 2010 · Education · Active · team 7 · yc_id:181 — The retreat where curious programmers recharge and grow
- [Red Barn Robotics](https://lemstudio.co/yc-companies/red-barn-robotics-30368) — **Red Barn Robotics** · YC Winter 2025 · Industrials, Agriculture · Active · team 5 · yc_id:30368 — A Roomba for weeds on a farm. 
- [Redapto](https://lemstudio.co/yc-companies/redapto-30912) — **Redapto** · YC Fall 2025 · B2B · Active · team 7 · yc_id:30912 — Intelligence that moves the world
- [Redbean](https://lemstudio.co/yc-companies/redbean-24203) — **Redbean** · YC Summer 2021 · Consumer · Active · team 6 · yc_id:24203 — Make games and stories with AI
- [Redbird](https://lemstudio.co/yc-companies/redbird-25272) — **Redbird** · YC Winter 2022 · B2B, Analytics · Active · yc_id:25272 — AI-powered Analytics Platform
- [RedBrick AI](https://lemstudio.co/yc-companies/redbrick-ai-25610) — **RedBrick AI** · YC Winter 2022 · B2B · Active · team 13 · yc_id:25610 — Rapid medical data annotation
- [RedCarpetUp](https://lemstudio.co/yc-companies/redcarpetup-932) — **RedCarpetUp** · YC Summer 2015 · Fintech, Consumer Finance · Active · team 100 · yc_id:932 — Credit cards for Indians that banks cannot see
- [Redcliffe Lifetech](https://lemstudio.co/yc-companies/redcliffe-lifetech-23146) — **Redcliffe Lifetech** · YC Winter 2021 · Healthcare, Diagnostics · Active · team 3500 · yc_id:23146 — Redcliffe Labs is India's Largest Omni-channel Diagnostics platform 
- [Reddit](https://lemstudio.co/yc-companies/reddit-379) — **Reddit** · YC Summer 2005 · Consumer, Content · Acquired · team 2000 · yc_id:379 — The frontpage of the internet.
- [Reditus Space](https://lemstudio.co/yc-companies/reditus-space-30316) — **Reditus Space** · YC Winter 2025 · Industrials, Aviation and Space · Active · team 12 · yc_id:30316 — Reusable Satellites
- [Redouble AI](https://lemstudio.co/yc-companies/redouble-ai-29740) — **Redouble AI** · YC Summer 2024 · B2B · Active · team 3 · yc_id:29740 — Java-native multi-agentic AI operating system for enterprise
- [Redoubt Insurance](https://lemstudio.co/yc-companies/redoubt-insurance-37600) — **Redoubt Insurance** · YC Fall 2026 · Fintech, Insurance · Active · yc_id:37600 — Commercial insurance for small businesses
- [Redspread](https://lemstudio.co/yc-companies/redspread-1057) — **Redspread** · YC Winter 2016 · B2B, Infrastructure · Acquired · yc_id:1057 — Version control for software environments
- [Reduced Energy Microsystems](https://lemstudio.co/yc-companies/reduced-energy-microsystems-933) — **Reduced Energy Microsystems** · YC Summer 2015 · Industrials, Manufacturing and Robotics · Inactive · team 2 · yc_id:933 — Building the lowest-power silicon for embedded deep learning and…
- [Reducto](https://lemstudio.co/yc-companies/reducto-29254) — **Reducto** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 30 · yc_id:29254 — The complete agentic document platform
- [Reebee](https://lemstudio.co/yc-companies/reebee-555) — **Reebee** · YC Summer 2013 · Consumer, Home and Personal · Active · team 11 · yc_id:555 — Flyer app.
- [Reebeez](https://lemstudio.co/yc-companies/reebeez-1304) — **Reebeez** · YC Summer 2016 · Industrials, Drones · Inactive · team 2 · yc_id:1304 — Reebeez creates powerful microengines for UAVs. With a 2hr + flight…
- [Reelables](https://lemstudio.co/yc-companies/reelables-12088) — **Reelables** · YC Winter 2019 · B2B, Supply Chain and Logistics · Active · yc_id:12088 — The Future of Supply Chain Data Tracking and Visibility
- [ReelSurfer](https://lemstudio.co/yc-companies/reelsurfer-430) — **ReelSurfer** · YC Summer 2012 · Consumer, Social · Inactive · team 2 · yc_id:430 — Clip and share any video from any website.
- [Refactor](https://lemstudio.co/yc-companies/refactor-29788) — **Refactor** · YC Summer 2024 · B2B · Active · team 3 · yc_id:29788 — Deploying secure and reliable AI agents across healthcare, retail,…
- [refine](https://lemstudio.co/yc-companies/refine-28907) — **refine** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:28907 — Open-source Retool for enterprise
- [RefineTrain AI](https://lemstudio.co/yc-companies/refinetrain-ai-25645) — **RefineTrain AI** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:25645 — AI agents rewriting & optimising your internal documentation for LLMs
- [Reflect](https://lemstudio.co/yc-companies/reflect-22252) — **Reflect** · YC Summer 2020 · B2B, Engineering, Product and Design · Acquired · team 6 · yc_id:22252 — No-code test automation for web apps
- [Reflex](https://lemstudio.co/yc-companies/reflex-27673) — **Reflex** · YC Winter 2023 · B2B, Infrastructure · Active · team 10 · yc_id:27673 — The operating system for building mission-critical enterprise apps.
- [Reforged Labs](https://lemstudio.co/yc-companies/reforged-labs-25603) — **Reforged Labs** · YC Winter 2022 · B2B, Marketing · Active · team 19 · yc_id:25603 — Turn intuition into insights, in minutes
- [Reform](https://lemstudio.co/yc-companies/reform-29478) — **Reform** · YC Winter 2024 · B2B, Supply Chain and Logistics · Active · team 13 · yc_id:29478 — AI Agents for high-stakes work.
- [Reframe](https://lemstudio.co/yc-companies/reframe-31195) — **Reframe** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:31195 — AI-native, hardware procurement marketplace
- [Reframe](https://lemstudio.co/yc-companies/reframe-13210) — **Reframe** · YC Winter 2020 · B2B, Engineering, Product and Design · Inactive · yc_id:13210 — Zoomable generative UI for codebase architecture
- [Reframe](https://lemstudio.co/yc-companies/reframe-23832) — **Reframe** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · team 35 · yc_id:23832 — App to help people quit or cut back on alcohol use
- [Refresh](https://lemstudio.co/yc-companies/refresh-30454) — **Refresh** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:30454 — Training gyms for computer use and software engineering work
- [Regbase](https://lemstudio.co/yc-companies/regbase-31279) — **Regbase** · YC Spring 2026 · B2B, Legal · Active · team 3 · yc_id:31279 — Automating Corporate Compliance, Worldwide
- [REGENT](https://lemstudio.co/yc-companies/regent-23369) — **REGENT** · YC Winter 2021 · Industrials, Aviation and Space · Active · team 40 · yc_id:23369 — All-electric seagliders for fast, affordable regional transportation
- [RegistryLove](https://lemstudio.co/yc-companies/registrylove-450) — **RegistryLove** · YC Summer 2012 · Consumer, Home and Personal · Inactive · team 11 · yc_id:450 — Cross-store wedding registry.
- [Regology](https://lemstudio.co/yc-companies/regology-1956) — **Regology** · YC Summer 2018 · B2B, Legal · Acquired · team 60 · yc_id:1956 — AI Agents for Regulatory Compliance
- [Rehook.ai](https://lemstudio.co/yc-companies/rehook-ai-25540) — **Rehook.ai** · YC Winter 2022 · B2B, Marketing · Inactive · team 12 · yc_id:25540 — Run, Track and manage any and all user incentive campaigns.
- [ReJot](https://lemstudio.co/yc-companies/rejot-30277) — **ReJot** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30277 — We turn complex API integrations into drop‑in full‑stack libraries 
- [Rejoy Health](https://lemstudio.co/yc-companies/rejoy-health-23317) — **Rejoy Health** · YC Winter 2021 · Healthcare, Healthcare IT · Active · team 8 · yc_id:23317 — AI workers that book, scribe, code, interpret, and answer clinicians
- [Rejuvenation Technologies Inc.](https://lemstudio.co/yc-companies/rejuvenation-technologies-inc-2028) — **Rejuvenation Technologies Inc.** · YC Summer 2018 · Healthcare, Therapeutics · Active · team 2 · yc_id:2028 — mRNA therapeutics to extend healthspan entering clinical trials
- [rekursiv.ai](https://lemstudio.co/yc-companies/rekursiv-ai-31555) — **rekursiv.ai** · YC Summer 2026 · B2B, Productivity · Active · team 5 · yc_id:31555 — Scale AI scientists whose own breakthroughs accelerate the next.
- [Relace](https://lemstudio.co/yc-companies/relace-27874) — **Relace** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:27874 — Models and infra for coding agents
- [Relari](https://lemstudio.co/yc-companies/relari-29185) — **Relari** · YC Winter 2024 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:29185 — Building dexterous robots that learn from human biomechanics
- [Relate](https://lemstudio.co/yc-companies/relate-27096) — **Relate** · YC Summer 2022 · B2B, Sales · Active · team 7 · yc_id:27096 — All-in-One Sales and Marketing CRM for B2B teams
- [Relationship Hero](https://lemstudio.co/yc-companies/relationship-hero-1618) — **Relationship Hero** · YC Summer 2017 · Consumer, Social · Active · team 100 · yc_id:1618 — Dating & relationship coaching sessions for individuals and couples
- [Relativity Space](https://lemstudio.co/yc-companies/relativity-space-1080) — **Relativity Space** · YC Winter 2016 · Industrials, Aviation and Space · Active · team 2500 · yc_id:1080 — Building humanity’s multiplanetary future.
- [Relaw](https://lemstudio.co/yc-companies/relaw-30953) — **Relaw** · YC Fall 2025 · B2B, Legal · Active · team 2 · yc_id:30953 — AI Legal OS
- [Relay Health](https://lemstudio.co/yc-companies/relay-health-27095) — **Relay Health** · YC Summer 2022 · Healthcare, Consumer Health and Wellness · Active · team 5 · yc_id:27095 — The #1 App to Quit Porn: Rebuild Focus and Intimacy
- [Releaf Earth](https://lemstudio.co/yc-companies/releaf-earth-1596) — **Releaf Earth** · YC Summer 2017 · Industrials, Climate · Active · team 100 · yc_id:1596 — Turning food waste into Biochar to remove CO2 from the atmsophere
- [Release](https://lemstudio.co/yc-companies/release-13234) — **Release** · YC Winter 2020 · B2B, Engineering, Product and Design · Active · team 26 · yc_id:13234 — Environments as a service
- [Relevium Medical](https://lemstudio.co/yc-companies/relevium-medical-27168) — **Relevium Medical** · YC Summer 2022 · Healthcare, Therapeutics · Active · team 5 · yc_id:27168 — Platform injectable gel based therapeutic for osteoarthritis
- [Reliance Health](https://lemstudio.co/yc-companies/reliance-health-1520) — **Reliance Health** · YC Winter 2017 · Healthcare, Healthcare Services · Active · team 384 · yc_id:1520 — We make healthcare in emerging markets affordable and accessible
- [Relling](https://lemstudio.co/yc-companies/relling-30712) — **Relling** · YC Summer 2025 · B2B, Infrastructure · Active · yc_id:30712 — deploying the first billion robots for manufacturing
- [Relvy AI](https://lemstudio.co/yc-companies/relvy-ai-30117) — **Relvy AI** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30117 — AI powered debugging notebooks for incident response
- [Remade](https://lemstudio.co/yc-companies/remade-29762) — **Remade** · YC Summer 2024 · Consumer, Content · Acquired · team 4 · yc_id:29762 — AI-native canvas for creative workflows.
- [reMail](https://lemstudio.co/yc-companies/remail-273) — **reMail** · YC Winter 2009 · B2B, Productivity · Acquired · team 1 · yc_id:273 — Email search for iPhone. Acquired by Google in Feb 2010.
- [Remedial Health](https://lemstudio.co/yc-companies/remedial-health-25274) — **Remedial Health** · YC Winter 2022 · Healthcare, Healthcare Services · Active · team 300 · yc_id:25274 — B2B E-commerce & Fintech platform for Pharmacies & Hospitals in Africa
- [Remedy](https://lemstudio.co/yc-companies/remedy-30829) — **Remedy** · YC Fall 2025 · Healthcare · Acquired · team 2 · yc_id:30829 — AI Agents for Pharmacies
- [Remi](https://lemstudio.co/yc-companies/remi-26268) — **Remi** · YC Winter 2022 · Real Estate and Construction · Active · team 170 · yc_id:26268 — Simplifying roofing for homeowners, roofers and enterprises.
- [Remix](https://lemstudio.co/yc-companies/remix-793) — **Remix** · YC Winter 2015 · Government · Acquired · team 65 · yc_id:793 — We’re building a platform to empower cities to plan the best possible…
- [Remix](https://lemstudio.co/yc-companies/remix-31302) — **Remix** · YC Winter 2026 · Consumer · Active · yc_id:31302 — Social media content auto-generated with your existing data
- [Remora](https://lemstudio.co/yc-companies/remora-22905) — **Remora** · YC Winter 2021 · Industrials, Climate · Active · team 45 · yc_id:22905 — Modular carbon capture
- [Remy](https://lemstudio.co/yc-companies/remy-28799) — **Remy** · YC Summer 2023 · Healthcare, Healthcare Services · Inactive · team 4 · yc_id:28799 — Making it simpler for medical clinics to work with insurance
- [Remy AI](https://lemstudio.co/yc-companies/remy-ai-31232) — **Remy AI** · YC Winter 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:31232 — Automating dexterous tasks in warehouses with AI-powered robots
- [RendaloMaq](https://lemstudio.co/yc-companies/rendalomaq-24152) — **RendaloMaq** · YC Summer 2021 · Real Estate and Construction, Construction · Active · team 25 · yc_id:24152 — Tech-powered equipment rentals in Latam.
- [renderlet](https://lemstudio.co/yc-companies/renderlet-29502) — **renderlet** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29502 — Build interactive applications that run anywhere
- [RentAHuman](https://lemstudio.co/yc-companies/rentahuman-31410) — **RentAHuman** · YC Spring 2026 · Consumer, Job and Career Services · Active · team 3 · yc_id:31410 — Marketplace for AI agents to hire humans.
- [RentFlow](https://lemstudio.co/yc-companies/rentflow-29837) — **RentFlow** · YC Summer 2024 · B2B · Active · team 3 · yc_id:29837 — The AI infrastructure for cash-flow-aligned business rent
- [RentHop](https://lemstudio.co/yc-companies/renthop-258) — **RentHop** · YC Summer 2009 · Real Estate and Construction, Housing and Real Estate · Active · team 9 · yc_id:258 — Apartment rental marketplace
- [Rentobo](https://lemstudio.co/yc-companies/rentobo-125) — **Rentobo** · YC Summer 2011 · Real Estate and Construction, Housing and Real Estate · Inactive · team 11 · yc_id:125 — The easiest way to find a tenant.

Rentobo is a tool that makes it…
- [Repacket](https://lemstudio.co/yc-companies/repacket-27850) — **Repacket** · YC Winter 2023 · B2B, Security · Active · team 4 · yc_id:27850 — Employee security done for you.
- [Repaint](https://lemstudio.co/yc-companies/repaint-28882) — **Repaint** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:28882 — Build a website by chatting with AI
- [Replenish](https://lemstudio.co/yc-companies/replenish-686) — **Replenish** · YC Summer 2014 · B2B, Office Management · Acquired · team 11 · yc_id:686 — Keurig machine for smoothies.
- [Replicas](https://lemstudio.co/yc-companies/replicas-31345) — **Replicas** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31345 — Run any coding agent harness in the cloud
- [Replicate](https://lemstudio.co/yc-companies/replicate-13147) — **Replicate** · YC Winter 2020 · B2B, Infrastructure · Acquired · team 36 · yc_id:13147 — Run machine learning models in the cloud
- [Replika](https://lemstudio.co/yc-companies/replika-849) — **Replika** · YC Winter 2015 · Consumer, Content · Active · team 28 · yc_id:849 — Replika is an AI friend that you can talk to designed to make you…
- [Replit](https://lemstudio.co/yc-companies/replit-1879) — **Replit** · YC Winter 2018 · B2B, Engineering, Product and Design · Active · team 65 · yc_id:1879 — Collaborative in-browser IDE 
- [Replo](https://lemstudio.co/yc-companies/replo-23979) — **Replo** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 20 · yc_id:23979 — Sell anything
- [Reploy](https://lemstudio.co/yc-companies/reploy-13732) — **Reploy** · YC Summer 2020 · B2B, Infrastructure · Inactive · team 4 · yc_id:13732 — Instant, shareable staging environments
- [Repool](https://lemstudio.co/yc-companies/repool-24243) — **Repool** · YC Summer 2021 · Fintech, Asset Management · Active · team 11 · yc_id:24243 — Modernizing hedge fund back office software and services.
- [Reprompt](https://lemstudio.co/yc-companies/reprompt-29512) — **Reprompt** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29512 — AI Agents for Location
- [REPROSENT](https://lemstudio.co/yc-companies/reprosent-24139) — **REPROSENT** · YC Summer 2021 · Healthcare · Active · team 4 · yc_id:24139 — Activating an overlooked force in medicine - the patient.
- [Request Network](https://lemstudio.co/yc-companies/request-network-1507) — **Request Network** · YC Winter 2017 · Fintech, Payments · Active · team 12 · yc_id:1507 — Request is a payment request technology & an ecosystem of apps
- [Requestly](https://lemstudio.co/yc-companies/requestly-25690) — **Requestly** · YC Winter 2022 · B2B, Engineering, Product and Design · Acquired · team 19 · yc_id:25690 — Open-Source Postman alternative
- [Rescale](https://lemstudio.co/yc-companies/rescale-19) — **Rescale** · YC Winter 2012 · B2B, Engineering, Product and Design · Active · team 250 · yc_id:19 — High Performance Computing Built for the Cloud
- [ReSchedule Med](https://lemstudio.co/yc-companies/reschedule-med-783) — **ReSchedule Med** · YC Winter 2015 · Healthcare, Healthcare IT · Inactive · yc_id:783 — We help medical residency programs create and manage their schedules,…
- [Rescript](https://lemstudio.co/yc-companies/rescript-29801) — **Rescript** · YC Summer 2024 · B2B, Legal · Active · team 2 · yc_id:29801 — AI for Legal & Public Policy Teams
- [Rescue Forensics](https://lemstudio.co/yc-companies/rescue-forensics-828) — **Rescue Forensics** · YC Winter 2015 · Government · Inactive · yc_id:828 — Actionable human trafficking intelligence
- [RescueTime](https://lemstudio.co/yc-companies/rescuetime-304) — **RescueTime** · YC Winter 2008 · B2B, Productivity · Active · team 15 · yc_id:304 — Take Back Control of your Time
- [Resend](https://lemstudio.co/yc-companies/resend-28098) — **Resend** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 45 · yc_id:28098 — Email for developers
- [Reshape Biotech](https://lemstudio.co/yc-companies/reshape-biotech-23611) — **Reshape Biotech** · YC Winter 2021 · Healthcare, Industrial Bio · Active · team 40 · yc_id:23611 — Robots that automate the everyday tasks of microbiologists.
- [ResistanceBio](https://lemstudio.co/yc-companies/resistancebio-12011) — **ResistanceBio** · YC Winter 2019 · Healthcare, Therapeutics · Inactive · team 15 · yc_id:12011 — We solve drug resistance for cancer
- [Resolve](https://lemstudio.co/yc-companies/resolve-797) — **Resolve** · YC Winter 2015 · Real Estate and Construction, Construction · Active · team 10 · yc_id:797 — Software to accelerate construction by finding issues in 3D BIM
- [Resonance](https://lemstudio.co/yc-companies/resonance-29353) — **Resonance** · YC Winter 2024 · B2B, Marketing · Acquired · team 2 · yc_id:29353 — Self-improving content bank for marketing
- [Respan](https://lemstudio.co/yc-companies/respan-29325) — **Respan** · YC Winter 2024 · B2B, Infrastructure · Active · team 23 · yc_id:29325 — Self-driving observability, evals, and gateway for AI agents
- [Response](https://lemstudio.co/yc-companies/response-13235) — **Response** · YC Summer 2020 · B2B, Supply Chain and Logistics · Active · team 8 · yc_id:13235 — Organizing the world's inventory.
- [Resquared](https://lemstudio.co/yc-companies/resquared-22996) — **Resquared** · YC Winter 2021 · B2B, Marketing · Active · team 40 · yc_id:22996 — Marketing automation platform for selling to local businesses.
- [Ressl AI](https://lemstudio.co/yc-companies/ressl-ai-31200) — **Ressl AI** · YC Winter 2026 · B2B · Active · team 3 · yc_id:31200 — Train, eval and build autonomous agents
- [Restocks](https://lemstudio.co/yc-companies/restocks-1070) — **Restocks** · YC Winter 2016 · Consumer, Apparel and Cosmetics · Inactive · team 2 · yc_id:1070 — Buy sneakers and streetwear here
- [Result](https://lemstudio.co/yc-companies/result-31438) — **Result** · YC Spring 2026 · Consumer · Active · team 2 · yc_id:31438 — Where new internet entrepreneurs build and run their companies
- [RetailReady](https://lemstudio.co/yc-companies/retailready-29517) — **RetailReady** · YC Winter 2024 · B2B, Supply Chain and Logistics · Active · team 12 · yc_id:29517 — An AI-powered supply chain compliance engine
- [Retape](https://lemstudio.co/yc-companies/retape-27983) — **Retape** · YC Winter 2023 · B2B, Sales · Active · team 3 · yc_id:27983 — AI Operating System for Debt Settlement
- [Retell AI](https://lemstudio.co/yc-companies/retell-ai-29441) — **Retell AI** · YC Winter 2024 · B2B · Active · team 50 · yc_id:29441 — Supercharge Your Contact Center Operations with AI Phone Agents
- [RethinkDB](https://lemstudio.co/yc-companies/rethinkdb-246) — **RethinkDB** · YC Summer 2009 · B2B, Infrastructure · Acquired · team 11 · yc_id:246 — The open source database for the realtime web.
- [Rethoric](https://lemstudio.co/yc-companies/rethoric-23399) — **Rethoric** · YC Winter 2021 · B2B, Marketing · Active · team 4 · yc_id:23399 — LinkedIn content consultancy and scheduling platform for busy founders
- [Reticular](https://lemstudio.co/yc-companies/reticular-30049) — **Reticular** · YC Fall 2024 · Healthcare, Consumer Health and Wellness · Active · team 2 · yc_id:30049 — Scaling Genomic AI for Embryo Selection
- [Retool](https://lemstudio.co/yc-companies/retool-1564) — **Retool** · YC Winter 2017 · B2B, Productivity · Active · team 300 · yc_id:1564 — Build internal tools fast.
- [Retrofit](https://lemstudio.co/yc-companies/retrofit-30312) — **Retrofit** · YC Winter 2025 · Consumer, Apparel and Cosmetics · Active · team 2 · yc_id:30312 — A vintage marketplace curated by AI
- [RetroFix](https://lemstudio.co/yc-companies/retrofix-29658) — **RetroFix** · YC Summer 2024 · B2B · Active · team 2 · yc_id:29658 — Automate any workflow using plain english
- [Rev Genomics](https://lemstudio.co/yc-companies/rev-genomics-1646) — **Rev Genomics** · YC Summer 2017 · Healthcare, Diagnostics · Active · team 8 · yc_id:1646 — Rev is a biotechnology company creating better plants.
- [REV1](https://lemstudio.co/yc-companies/rev1-31097) — **REV1** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31097 — Claude Code for Mechanical Engineers
- [Revamp](https://lemstudio.co/yc-companies/revamp-28830) — **Revamp** · YC Summer 2023 · B2B, Analytics · Active · team 3 · yc_id:28830 — AI-Powered Customer Segmentation for eCommerce
- [Revel](https://lemstudio.co/yc-companies/revel-12624) — **Revel** · YC Summer 2019 · Consumer, Social · Inactive · team 16 · yc_id:12624 — We Deserve More in Midlife
- [Revenir](https://lemstudio.co/yc-companies/revenir-13305) — **Revenir** · YC Winter 2020 · Fintech, Consumer Finance · Active · team 11 · yc_id:13305 — First API solution for tax returns.
- [RevenueCat](https://lemstudio.co/yc-companies/revenuecat-1907) — **RevenueCat** · YC Summer 2018 · B2B, Engineering, Product and Design · Active · team 160 · yc_id:1907 — Build and grow your app business
- [REVER](https://lemstudio.co/yc-companies/rever-27194) — **REVER** · YC Summer 2022 · Fintech · Active · team 35 · yc_id:27194 — Changing the way people buy by giving superpowers to shoppers
- [ReverCare](https://lemstudio.co/yc-companies/revercare-12541) — **ReverCare** · YC Summer 2019 · B2B, Human Resources · Inactive · team 2 · yc_id:12541 — Concierge for elder care
- [Reverie Labs](https://lemstudio.co/yc-companies/reverie-labs-1775) — **Reverie Labs** · YC Winter 2018 · Healthcare, Therapeutics · Inactive · team 29 · yc_id:1775 —  Engineering next-generation, brain-penetrant cancer therapies.
- [Revery AI](https://lemstudio.co/yc-companies/revery-ai-24556) — **Revery AI** · YC Summer 2021 · Consumer, Social · Inactive · team 5 · yc_id:24556 — Tiktok for fashion - where designers show their work + build traction
- [Revi](https://lemstudio.co/yc-companies/revi-30104) — **Revi** · YC Fall 2024 · B2B, Sales · Active · team 2 · yc_id:30104 — AI-enabled M&A deal origination
- [Revion](https://lemstudio.co/yc-companies/revion-31189) — **Revion** · YC Winter 2026 · B2B · Active · team 10 · yc_id:31189 — Intelligence for Automotive Operations
- [Revise Robotics](https://lemstudio.co/yc-companies/revise-robotics-30174) — **Revise Robotics** · YC Winter 2025 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:30174 — Automating refurbishment of $1T in consumer electronics
- [Reviving Mind](https://lemstudio.co/yc-companies/reviving-mind-26032) — **Reviving Mind** · YC Winter 2022 · Healthcare, Healthcare Services · Active · team 3 · yc_id:26032 — Addressing Loneliness and Isolation for Seniors
- [Revl](https://lemstudio.co/yc-companies/revl-1020) — **Revl** · YC Winter 2016 · B2B, Marketing · Active · team 22 · yc_id:1020 — AI edited video souvenirs as a service
- [Revnu](https://lemstudio.co/yc-companies/revnu-31527) — **Revnu** · YC Spring 2026 · B2B, Marketing · Active · team 3 · yc_id:31527 — Your AI growth hire.
- [Revolve Surgical](https://lemstudio.co/yc-companies/revolve-surgical-24926) — **Revolve Surgical** · YC Summer 2021 · Healthcare, Medical Devices · Active · team 8 · yc_id:24926 — Surgical robotics for every operating room
- [Revoy](https://lemstudio.co/yc-companies/revoy-26139) — **Revoy** · YC Winter 2022 · Industrials, Automotive · Active · team 4 · yc_id:26139 — Make diesel semi trucks hybrid-electric
- [Revyl](https://lemstudio.co/yc-companies/revyl-30041) — **Revyl** · YC Fall 2024 · B2B, Infrastructure · Active · team 16 · yc_id:30041 — The Mobile Development Platform
- [Rewbi](https://lemstudio.co/yc-companies/rewbi-29667) — **Rewbi** · YC Summer 2024 · Industrials, Energy · Active · team 3 · yc_id:29667 — A stealth mode startup.
- [Reworkd](https://lemstudio.co/yc-companies/reworkd-28744) — **Reworkd** · YC Summer 2023 · B2B · Active · team 1 · yc_id:28744 — The simplest way to extract web data at scale
- [Rex](https://lemstudio.co/yc-companies/rex-32155) — **Rex** · YC Summer 2026 · B2B, Finance and Accounting · Active · team 2 · yc_id:32155 — AI-native BPO for enterprise order-to-cash
- [rex.fit](https://lemstudio.co/yc-companies/rex-fit-28114) — **rex.fit** · YC Winter 2023 · Consumer · Active · team 2 · yc_id:28114 — Automating nutrition tracking.
- [REZI](https://lemstudio.co/yc-companies/rezi-1463) — **REZI** · YC Winter 2017 · Real Estate and Construction, Housing and Real Estate · Active · team 31 · yc_id:1463 — Rent Better
- [RGI Labs](https://lemstudio.co/yc-companies/rgi-labs-24130) — **RGI Labs** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:24130 — Robust & recursively self-improving general intelligence
- [Rhem Labs](https://lemstudio.co/yc-companies/rhem-labs-35127) — **Rhem Labs** · YC Fall 2026 · Healthcare, Consumer Health and Wellness · Active · team 2 · yc_id:35127 — Home care technology for aging parents and their families
- [Rhizome AI](https://lemstudio.co/yc-companies/rhizome-ai-31176) — **Rhizome AI** · YC Winter 2026 · B2B · Active · team 1 · yc_id:31176 — Agent Platform for Life Sciences
- [Rhythmm](https://lemstudio.co/yc-companies/rhythmm-1737) — **Rhythmm** · YC Winter 2018 · Consumer, Social · Inactive · team 2 · yc_id:1737 — Read interesting conversations
- [Ribbon Health](https://lemstudio.co/yc-companies/ribbon-health-1598) — **Ribbon Health** · YC Summer 2017 · Healthcare, Healthcare IT · Acquired · team 91 · yc_id:1598 — Health enterprise API for data on doctors, insurance, costs, & quality
- [Rickshaw](https://lemstudio.co/yc-companies/rickshaw-617) — **Rickshaw** · YC Winter 2014 · B2B, Supply Chain and Logistics · Acquired · team 11 · yc_id:617 — Same day local delivery, via API. Currently operating in SF.
- [RideAlong](https://lemstudio.co/yc-companies/ridealong-1640) — **RideAlong** · YC Summer 2017 · Government · Inactive · team 2 · yc_id:1640 — We save lives by giving police and health workers key info to safely…
- [Ridecell](https://lemstudio.co/yc-companies/ridecell-1548) — **Ridecell** · YC Winter 2012 · B2B · Active · team 88 · yc_id:1548 — World's Leading Fleet Intelligence Platform
- [Ridejoy](https://lemstudio.co/yc-companies/ridejoy-121) — **Ridejoy** · YC Summer 2011 · Consumer, Transportation Services · Inactive · team 11 · yc_id:121 — Long-distance carpooling marketplace. Shut down in early 2013.
- [Rider](https://lemstudio.co/yc-companies/rider-25968) — **Rider** · YC Winter 2022 · B2B, Supply Chain and Logistics · Acquired · team 180 · yc_id:25968 — Modern parcel delivery for online sellers in Pakistan. 
- [rift](https://lemstudio.co/yc-companies/rift-27679) — **rift** · YC Winter 2023 · B2B, Sales · Inactive · team 2 · yc_id:27679 — B2B lead routing made simple
- [Riften](https://lemstudio.co/yc-companies/riften-32198) — **Riften** · YC Summer 2026 · B2B, Infrastructure · Active · team 5 · yc_id:32198 — Earned intelligence for every company
- [Rigetti Computing](https://lemstudio.co/yc-companies/rigetti-computing-700) — **Rigetti Computing** · YC Summer 2014 · Industrials, Manufacturing and Robotics · Public · team 51 · yc_id:700 — Quantum coherent supercomputing.
- [RightNow](https://lemstudio.co/yc-companies/rightnow-31591) — **RightNow** · YC Fall 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31591 — Enabling Model-Hardware Co-Design at Scale
- [RigPlenish](https://lemstudio.co/yc-companies/rigplenish-1209) — **RigPlenish** · YC Summer 2016 · Healthcare, Healthcare IT · Inactive · team 2 · yc_id:1209 — On average each Ambulance run is two hours long, 40 minutes is spent…
- [Riley](https://lemstudio.co/yc-companies/riley-1449) — **Riley** · YC Winter 2017 · Real Estate and Construction, Housing and Real Estate · Inactive · team 2 · yc_id:1449 — MailChimp for SMS 
- [Rima AI (formerly Garage)](https://lemstudio.co/yc-companies/rima-ai-formerly-garage-26907) — **Rima AI (formerly Garage)** · YC Summer 2022 · B2B, Finance and Accounting · Active · team 5 · yc_id:26907 — Document and spreadsheet automation for accountants
- [Rimba](https://lemstudio.co/yc-companies/rimba-30530) — **Rimba** · YC Spring 2025 · Industrials, Climate · Active · team 4 · yc_id:30530 — Streamlining Data Capture to Report Creation for Heavy Industries
- [Rimward](https://lemstudio.co/yc-companies/rimward-28958) — **Rimward** · YC Summer 2023 · B2B, Security · Active · team 1 · yc_id:28958 — Solar farm security software for existing cameras
- [Rindler](https://lemstudio.co/yc-companies/rindler-31570) — **Rindler** · YC Summer 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31570 — The IDE for Tokenmaxxers
- [RingMD](https://lemstudio.co/yc-companies/ringmd-21792) — **RingMD** · YC Summer 2020 · Government · Active · team 32 · yc_id:21792 — We work with governments to implement telemedicine programs.  
- [Rinse](https://lemstudio.co/yc-companies/rinse-24199) — **Rinse** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · team 6 · yc_id:24199 — We're building the One Medical for dental
- [Rinsed](https://lemstudio.co/yc-companies/rinsed-22884) — **Rinsed** · YC Winter 2021 · B2B · Active · team 80 · yc_id:22884 — Software to run car washes moving to a monthly subscription model
- [Rio](https://lemstudio.co/yc-companies/rio-26797) — **Rio** · YC Summer 2022 · Fintech, Payments · Active · team 10 · yc_id:26797 — LATAM’s largest stablecoin FX and liquidity provider
- [Riogrande](https://lemstudio.co/yc-companies/riogrande-22250) — **Riogrande** · YC Summer 2020 · Consumer, Food and Beverage · Acquired · yc_id:22250 — We buy and grow D2C brands in LatAm
- [Riot](https://lemstudio.co/yc-companies/riot-13311) — **Riot** · YC Winter 2020 · B2B, Security · Active · team 160 · yc_id:13311 — Cybersecurity awareness for fast growing companies
- [Rippling](https://lemstudio.co/yc-companies/rippling-1451) — **Rippling** · YC Winter 2017 · B2B, Human Resources · Active · team 2500 · yc_id:1451 — One place to run all your HR, IT, and Finance. Globally.
- [Rise Reforming](https://lemstudio.co/yc-companies/rise-reforming-32192) — **Rise Reforming** · YC Summer 2026 · Industrials, Climate · Active · team 4 · yc_id:32192 — We turn waste gases into supply-secure chemicals 
- [Risely AI](https://lemstudio.co/yc-companies/risely-ai-30724) — **Risely AI** · YC Summer 2025 · Education · Active · team 8 · yc_id:30724 — AI agents that automate administrative work across college campuses. 
- [RiskAngle](https://lemstudio.co/yc-companies/riskangle-29793) — **RiskAngle** · YC Summer 2024 · B2B · Inactive · team 2 · yc_id:29793 — AI medical summaries in minutes
- [RiskCube](https://lemstudio.co/yc-companies/riskcube-30055) — **RiskCube** · YC Fall 2024 · Fintech, Insurance · Active · team 3 · yc_id:30055 — America’s first AI-native reinsurer for emerging risks.
- [Risklytics](https://lemstudio.co/yc-companies/risklytics-32650) — **Risklytics** · YC Summer 2026 · Fintech, Insurance · Active · team 2 · yc_id:32650 — AI-Native Insurance for Frontier Tech
- [Risotto](https://lemstudio.co/yc-companies/risotto-29405) — **Risotto** · YC Winter 2024 · B2B, Operations · Active · team 3 · yc_id:29405 — Risotto auto-solves IT support requests using AI
- [River](https://lemstudio.co/yc-companies/river-35263) — **River** · YC Fall 2026 · B2B, Productivity · Active · team 2 · yc_id:35263 — The AI desktop.
- [River Markets](https://lemstudio.co/yc-companies/river-markets-31450) — **River Markets** · YC Spring 2026 · Fintech · Active · team 2 · yc_id:31450 — Prime brokerage for prediction markets
- [Riverbank](https://lemstudio.co/yc-companies/riverbank-30680) — **Riverbank** · YC Summer 2025 · B2B, Infrastructure · Active · team 1 · yc_id:30680 — Infrastructure Cartography
- [Rivet](https://lemstudio.co/yc-companies/rivet-31013) — **Rivet** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · yc_id:31013 — Explore dozens of design directions with your agent
- [Rivet](https://lemstudio.co/yc-companies/rivet-28087) — **Rivet** · YC Winter 2023 · B2B, Infrastructure · Active · team 5 · yc_id:28087 — Rivet Actors are the primitive for stateful workloads
- [Riveter](https://lemstudio.co/yc-companies/riveter-30017) — **Riveter** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30017 — Turn the web into structured data
- [Rivia.AI](https://lemstudio.co/yc-companies/rivia-ai-24083) — **Rivia.AI** · YC Summer 2021 · B2B, Marketing · Active · team 5 · yc_id:24083 — Interactive Product Demos
- [Riviera](https://lemstudio.co/yc-companies/riviera-30282) — **Riviera** · YC Winter 2025 · B2B · Active · team 2 · yc_id:30282 — AI Employees for Hotels
- [Riya Collective](https://lemstudio.co/yc-companies/riya-collective-13199) — **Riya Collective** · YC Winter 2020 · Consumer, Apparel and Cosmetics · Inactive · team 6 · yc_id:13199 — Riya Collective is building the first community-driven global…
- [RMFG](https://lemstudio.co/yc-companies/rmfg-24555) — **RMFG** · YC Summer 2021 · Industrials, Manufacturing and Robotics · Active · team 9 · yc_id:24555 — Advanced Contract MFG for fast moving hardware companies
- [Roame](https://lemstudio.co/yc-companies/roame-29093) — **Roame** · YC Summer 2023 · Consumer, Travel, Leisure and Tourism · Active · team 3 · yc_id:29093 — Flight search engine using credit card points and miles
- [Roark](https://lemstudio.co/yc-companies/roark-30325) — **Roark** · YC Winter 2025 · B2B, Analytics · Active · team 3 · yc_id:30325 — Test, monitor, and improve your voice agents
- [Robby](https://lemstudio.co/yc-companies/robby-31201) — **Robby** · YC Winter 2026 · B2B, Productivity · Active · team 3 · yc_id:31201 — AI agents that grow revenue for home services businesses
- [Robby Technologies](https://lemstudio.co/yc-companies/robby-technologies-1240) — **Robby Technologies** · YC Summer 2016 · Industrials, Manufacturing and Robotics · Inactive · team 11 · yc_id:1240 — We are building a fleet of autonomous mobile robots that travel on…
- [Robocurve](https://lemstudio.co/yc-companies/robocurve-33349) — **Robocurve** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:33349 — Evals for robots
- [RoboDock](https://lemstudio.co/yc-companies/robodock-31135) — **RoboDock** · YC Winter 2026 · Industrials, Energy · Active · team 4 · yc_id:31135 — Robots that run autonomous depots for autonomous fleets.
- [Roboflow](https://lemstudio.co/yc-companies/roboflow-21769) — **Roboflow** · YC Summer 2020 · B2B, Engineering, Product and Design · Active · team 100 · yc_id:21769 — 🖼️ Give your software the sense of sight.
- [RoboHR](https://lemstudio.co/yc-companies/robohr-260) — **RoboHR** · YC Summer 2009 · B2B, Human Resources · Inactive · yc_id:260
- [RoboTire](https://lemstudio.co/yc-companies/robotire-13087) — **RoboTire** · YC Winter 2020 · Industrials, Automotive · Inactive · team 20 · yc_id:13087 — Robotire is automating vehicle maintenance for today and future…
- [Rocketable](https://lemstudio.co/yc-companies/rocketable-30217) — **Rocketable** · YC Winter 2025 · B2B · Active · team 2 · yc_id:30217 — The AI Maximalist Software Holding Company
- [RocketLit](https://lemstudio.co/yc-companies/rocketlit-1213) — **RocketLit** · YC Summer 2016 · Education · Active · team 11 · yc_id:1213 — RocketLit is an adaptive learning and assessment platform. 
- [Rocketrip](https://lemstudio.co/yc-companies/rocketrip-618) — **Rocketrip** · YC Winter 2014 · B2B, Finance and Accounting · Acquired · team 68 · yc_id:618 — Rocketrip helps companies save money on travel expenses by aligning…
- [RocketSDR](https://lemstudio.co/yc-companies/rocketsdr-22660) — **RocketSDR** · YC Winter 2021 · B2B, Sales · Active · team 30 · yc_id:22660 — AI Native Sales Outreach Platform
- [ROE](https://lemstudio.co/yc-companies/roe-29291) — **ROE** · YC Winter 2024 · B2B, Infrastructure · Active · team 9 · yc_id:29291 — AI for risk and compliance
- [Roforco](https://lemstudio.co/yc-companies/roforco-27085) — **Roforco** · YC Summer 2022 · Consumer, Gaming · Active · team 4 · yc_id:27085 — Creating viral AI consumer apps and games
- [Roger](https://lemstudio.co/yc-companies/roger-29568) — **Roger** · YC Summer 2024 · B2B, Sales · Active · team 2 · yc_id:29568 — Roger is an AI SDR that automates outbound sales and follows up 24/7.
- [ROGER](https://lemstudio.co/yc-companies/roger-23156) — **ROGER** · YC Winter 2021 · B2B · Active · team 4 · yc_id:23156 — The Best Way to Sign Contracts Since Handshakes. Roger that.
- [Roin Technologies](https://lemstudio.co/yc-companies/roin-technologies-22875) — **Roin Technologies** · YC Winter 2021 · Industrials, Manufacturing and Robotics · Acquired · team 3 · yc_id:22875 — Building robots to automate commercial concrete construction.
- [Rollstack](https://lemstudio.co/yc-companies/rollstack-27692) — **Rollstack** · YC Winter 2023 · B2B, Analytics · Active · team 30 · yc_id:27692 — Automate data-driven slide decks and documents with AI
- [Roma](https://lemstudio.co/yc-companies/roma-32088) — **Roma** · YC Fall 2026 · Consumer · Active · team 3 · yc_id:32088 — Roma is the to-do list that does itself
- [Rome](https://lemstudio.co/yc-companies/rome-25822) — **Rome** · YC Winter 2022 · B2B, Supply Chain and Logistics · Active · team 1 · yc_id:25822 — The marketplace for truckers
- [RonanRx Inc.](https://lemstudio.co/yc-companies/ronanrx-inc-32979) — **RonanRx Inc.** · YC Summer 2026 · Healthcare · Active · team 5 · yc_id:32979 — Full Stack Pharmaceutical Company for Personalized Peptides and GLP-1s
- [Roofr](https://lemstudio.co/yc-companies/roofr-1608) — **Roofr** · YC Summer 2017 · Consumer, Home and Personal · Active · team 40 · yc_id:1608 — Sales software for roofers. Aerial measurements + proposals in seconds
- [Roomblocker](https://lemstudio.co/yc-companies/roomblocker-874) — **Roomblocker** · YC Summer 2015 · Consumer, Travel, Leisure and Tourism · Inactive · team 2 · yc_id:874 — Hotel booking for groups and events.
- [Roomstorm](https://lemstudio.co/yc-companies/roomstorm-719) — **Roomstorm** · YC Summer 2014 · Consumer, Travel, Leisure and Tourism · Active · team 4 · yc_id:719 — Real time B2B hotel room marketplace for various industries…
- [Roost](https://lemstudio.co/yc-companies/roost-701) — **Roost** · YC Summer 2014 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:701 — Web push notifications.  
- [Rootly](https://lemstudio.co/yc-companies/rootly-23978) — **Rootly** · YC Summer 2021 · B2B, Infrastructure · Active · team 75 · yc_id:23978 — AI-native on-call and incident response carefully crafted to help…
- [Rose Rocket](https://lemstudio.co/yc-companies/rose-rocket-1206) — **Rose Rocket** · YC Summer 2016 · B2B, Supply Chain and Logistics · Active · team 165 · yc_id:1206 — Rose Rocket is ERP software for trucking companies.
- [Rosebud AI](https://lemstudio.co/yc-companies/rosebud-ai-12660) — **Rosebud AI** · YC Summer 2019 · Consumer · Active · team 10 · yc_id:12660 — Vibe code games. 
- [Rosebud Biosciences](https://lemstudio.co/yc-companies/rosebud-biosciences-25321) — **Rosebud Biosciences** · YC Winter 2022 · Healthcare, Drug Discovery and Delivery · Active · team 3 · yc_id:25321 — Growing micro-organs to find new drugs
- [ROSS Intelligence](https://lemstudio.co/yc-companies/ross-intelligence-875) — **ROSS Intelligence** · YC Summer 2015 · B2B, Legal · Inactive · team 30 · yc_id:875 — ROSS is an AI-powered legal research platform that can read and…
- [Rote](https://lemstudio.co/yc-companies/rote-32165) — **Rote** · YC Winter 2027 · B2B, Operations · Active · yc_id:32165 — AI-native insurance department for auto body shops
- [Roundabout Technologies](https://lemstudio.co/yc-companies/roundabout-technologies-30126) — **Roundabout Technologies** · YC Fall 2024 · Government · Active · team 5 · yc_id:30126 — Software for AI-powered traffic lights
- [Routable](https://lemstudio.co/yc-companies/routable-1692) — **Routable** · YC Summer 2017 · B2B, Finance and Accounting · Active · team 160 · yc_id:1692 — Simplifying payouts at scale
- [Routine](https://lemstudio.co/yc-companies/routine-23459) — **Routine** · YC Winter 2021 · B2B, Productivity · Active · team 8 · yc_id:23459 — AI-native all-in-one workspace for startups
- [Rove](https://lemstudio.co/yc-companies/rove-29440) — **Rove** · YC Winter 2024 · Consumer, Travel, Leisure and Tourism · Active · team 4 · yc_id:29440 — Travel the world for free.
- [RoverRide](https://lemstudio.co/yc-companies/roverride-489) — **RoverRide** · YC Winter 2013 · Consumer, Transportation Services · Inactive · yc_id:489 — A universal urban transit app. Given all transportation options…
- [Rovi Health](https://lemstudio.co/yc-companies/rovi-health-30977) — **Rovi Health** · YC Fall 2025 · Healthcare · Active · team 3 · yc_id:30977 — AI healthcare concierge for employees
- [Rovr](https://lemstudio.co/yc-companies/rovr-30916) — **Rovr** · YC Fall 2025 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:30916 — AI FDE Engine that runs your engineering workflows
- [Rowboat Labs](https://lemstudio.co/yc-companies/rowboat-labs-29951) — **Rowboat Labs** · YC Summer 2024 · Consumer · Active · team 3 · yc_id:29951 — Open-source AI coworker with memory 
- [RowFlow](https://lemstudio.co/yc-companies/rowflow-30785) — **RowFlow** · YC Summer 2025 · B2B, Operations · Active · team 2 · yc_id:30785 — Replacing forms with AI conversations
- [Rownd](https://lemstudio.co/yc-companies/rownd-25402) — **Rownd** · YC Winter 2022 · Industrials, Drones · Active · team 7 · yc_id:25402 — Fully autonomous defense solutions for the global edge.
- [Roxels](https://lemstudio.co/yc-companies/roxels-26733) — **Roxels** · YC Summer 2022 · B2B · Active · team 7 · yc_id:26733 — Founder-level assistance whenever customers need it, at scale
- [RTCanary](https://lemstudio.co/yc-companies/rtcanary-21810) — **RTCanary** · YC Summer 2020 · Consumer, Virtual and Augmented Reality · Inactive · yc_id:21810 — We are a monitoring and analytics plugin for all video chat platforms.
- [RTHM](https://lemstudio.co/yc-companies/rthm-25985) — **RTHM** · YC Winter 2022 · Healthcare, Healthcare Services · Active · team 10 · yc_id:25985 — Self-learning care for complex illness
- [Rubber Ducky Labs](https://lemstudio.co/yc-companies/rubber-ducky-labs-27734) — **Rubber Ducky Labs** · YC Winter 2023 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:27734 — AI Powered Product Discovery
- [Rubbrband](https://lemstudio.co/yc-companies/rubbrband-27583) — **Rubbrband** · YC Winter 2023 · Consumer, Content · Active · team 10 · yc_id:27583 — A new kind of creative company.
- [Rubric AI](https://lemstudio.co/yc-companies/rubric-ai-31280) — **Rubric AI** · YC Winter 2026 · B2B · Active · team 1 · yc_id:31280 — Reasoning and verification infra for AI
- [Ruby Card](https://lemstudio.co/yc-companies/ruby-card-27806) — **Ruby Card** · YC Winter 2023 · Fintech · Active · team 3 · yc_id:27806 — Neobank for e-commerce businesses
- [Rudus](https://lemstudio.co/yc-companies/rudus-31346) — **Rudus** · YC Spring 2026 · Real Estate and Construction, Construction · Active · team 2 · yc_id:31346 — AI Takeoffs for Concrete
- [Rulebase](https://lemstudio.co/yc-companies/rulebase-30036) — **Rulebase** · YC Fall 2024 · B2B, Operations · Active · team 4 · yc_id:30036 — AI customer operations for regulated industries.
- [Rulebricks](https://lemstudio.co/yc-companies/rulebricks-23127) — **Rulebricks** · YC Winter 2021 · B2B, Operations · Active · team 2 · yc_id:23127 — Add powerful decision-making capabilities to any automated workflow.
- [Ruleset](https://lemstudio.co/yc-companies/ruleset-26715) — **Ruleset** · YC Summer 2022 · B2B · Inactive · team 1 · yc_id:26715 — The SaaS Decision Engine for Lenders
- [Ruma Care](https://lemstudio.co/yc-companies/ruma-care-31085) — **Ruma Care** · YC Winter 2026 · Healthcare · Active · team 5 · yc_id:31085 — The operations stack for biologic infusion clinics
- [Rume](https://lemstudio.co/yc-companies/rume-21802) — **Rume** · YC Summer 2020 · Consumer, Social · Inactive · team 3 · yc_id:21802 — Video chat that doesn't feel like work
- [Runa](https://lemstudio.co/yc-companies/runa-1869) — **Runa** · YC Winter 2018 · B2B, Human Resources · Active · team 100 · yc_id:1869 — Automating payroll for Latin America.
- [RunAnywhere](https://lemstudio.co/yc-companies/runanywhere-31088) — **RunAnywhere** · YC Winter 2026 · B2B, Infrastructure · Active · team 5 · yc_id:31088 — Fastest inference anywhere: open models on-prem, hosted or on-device
- [Rune](https://lemstudio.co/yc-companies/rune-12263) — **Rune** · YC Winter 2019 · Consumer, Gaming · Active · team 3 · yc_id:12263 — Talk & play multiplayer games with your friends!
- [RunKit](https://lemstudio.co/yc-companies/runkit-1436) — **RunKit** · YC Summer 2016 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:1436
- [RunLocal AI](https://lemstudio.co/yc-companies/runlocal-ai-29682) — **RunLocal AI** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29682 — AI agent that optimizes inference for embedded compute like Jetson
- [RunRL](https://lemstudio.co/yc-companies/runrl-30474) — **RunRL** · YC Spring 2025 · B2B, Infrastructure · Active · team 2 · yc_id:30474 — Reinforcement learning as a service
- [Runtime](https://lemstudio.co/yc-companies/runtime-31518) — **Runtime** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:31518 — AI agents for financial operations
- [Runway](https://lemstudio.co/yc-companies/runway-22591) — **Runway** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 20 · yc_id:22591 — Easier and more reliable mobile app releases for teams.
- [Ruta Health](https://lemstudio.co/yc-companies/ruta-health-24339) — **Ruta Health** · YC Summer 2021 · B2B · Inactive · team 1 · yc_id:24339 — Async personalized and actionable health education by real doctors
- [Ruth Health](https://lemstudio.co/yc-companies/ruth-health-24669) — **Ruth Health** · YC Summer 2021 · Healthcare, Healthcare Services · Inactive · team 8 · yc_id:24669 — Telehealth hub for pregnant people 🧡
- [Rutter](https://lemstudio.co/yc-companies/rutter-12661) — **Rutter** · YC Summer 2019 · B2B, Engineering, Product and Design · Active · team 24 · yc_id:12661 — The Unified API for Business Financial Data
- [RUUF](https://lemstudio.co/yc-companies/ruuf-27878) — **RUUF** · YC Winter 2023 · Consumer · Active · team 60 · yc_id:27878 — Managed marketplace for solar in Latam
- [Ruvo](https://lemstudio.co/yc-companies/ruvo-30798) — **Ruvo** · YC Summer 2025 · Fintech · Active · team 11 · yc_id:30798 — The Global Dollar App for Brazil
- [Ryse](https://lemstudio.co/yc-companies/ryse-29460) — **Ryse** · YC Winter 2024 · B2B · Active · team 13 · yc_id:29460 — The secondary market for real estate leases
- [Ryvn](https://lemstudio.co/yc-companies/ryvn-30114) — **Ryvn** · YC Fall 2024 · B2B, Infrastructure · Active · team 5 · yc_id:30114 — Easy and secure customer cloud deployments
- [s2.dev](https://lemstudio.co/yc-companies/s2-dev-30935) — **s2.dev** · YC Fall 2025 · B2B, Infrastructure · Active · team 5 · yc_id:30935 — API for unlimited, durable, real-time streams
- [Saatvy](https://lemstudio.co/yc-companies/saatvy-29107) — **Saatvy** · YC Summer 2023 · Healthcare, Consumer Health and Wellness · Inactive · team 1 · yc_id:29107 — Root cause help for chronic conditions
- [Sable](https://lemstudio.co/yc-companies/sable-12599) — **Sable** · YC Summer 2019 · Fintech, Consumer Finance · Acquired · team 12 · yc_id:12599 — Mobile bank for credit-worthy, new-to-America internationals offering…
- [SafeBase](https://lemstudio.co/yc-companies/safebase-22141) — **SafeBase** · YC Summer 2020 · B2B, Security · Acquired · team 60 · yc_id:22141 — Trust Center platform that scales customer security reviews
- [SafeBeat](https://lemstudio.co/yc-companies/safebeat-24166) — **SafeBeat** · YC Summer 2021 · Healthcare, Medical Devices · Active · team 9 · yc_id:24166 — First ECG AI to go beyond diagnostics and recommend treatment
- [SafeButler](https://lemstudio.co/yc-companies/safebutler-1611) — **SafeButler** · YC Summer 2017 · Fintech, Insurance · Active · team 2 · yc_id:1611 — Your chief servant for shopping insurance
- [Safely Finance](https://lemstudio.co/yc-companies/safely-finance-12461) — **Safely Finance** · YC Summer 2019 · Consumer, Home and Personal · Inactive · team 2 · yc_id:12461 — BNPL for moving and renting.
- [Safepay](https://lemstudio.co/yc-companies/safepay-21812) — **Safepay** · YC Summer 2020 · Fintech, Payments · Active · team 4 · yc_id:21812 — Digital payments for businesses in Pakistan
- [Safer Management](https://lemstudio.co/yc-companies/safer-management-24892) — **Safer Management** · YC Summer 2021 · B2B · Active · team 5 · yc_id:24892 — Student Attendance tracking for Public Schools
- [SafetyKit](https://lemstudio.co/yc-companies/safetykit-29000) — **SafetyKit** · YC Summer 2023 · B2B · Active · team 10 · yc_id:29000 — AI agents for risk, compliance, and safety
- [SafetyWing](https://lemstudio.co/yc-companies/safetywing-1833) — **SafetyWing** · YC Winter 2018 · Fintech, Insurance · Active · team 130 · yc_id:1833 — Health insurance for remote teams
- [Saffron](https://lemstudio.co/yc-companies/saffron-31363) — **Saffron** · YC Spring 2026 · B2B, Recruiting and Talent · Active · team 3 · yc_id:31363 — Helping your company find 10x engineers. 
- [Saga AI](https://lemstudio.co/yc-companies/saga-ai-29258) — **Saga AI** · YC Winter 2024 · B2B, Operations · Active · team 2 · yc_id:29258 — Voice Agents for Healthcare Operations
- [Sagaland](https://lemstudio.co/yc-companies/sagaland-29372) — **Sagaland** · YC Winter 2024 · Consumer · Active · team 2 · yc_id:29372 — AI entertainment platform
- [Sage AI](https://lemstudio.co/yc-companies/sage-ai-27941) — **Sage AI** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:27941 — Your self-generating, self-maintaining code knowledge base.
- [Sage Care](https://lemstudio.co/yc-companies/sage-care-1248) — **Sage Care** · YC Summer 2016 · Healthcare, Healthcare Services · Inactive · yc_id:1248 — Get care at home for mom or dad from trusted professionals in their…
- [Sage Care](https://lemstudio.co/yc-companies/sage-care-29643) — **Sage Care** · YC Summer 2024 · Healthcare, Healthcare IT · Active · team 3 · yc_id:29643 — Automating home care agency operations with AI
- [Saida](https://lemstudio.co/yc-companies/saida-945) — **Saida** · YC Summer 2015 · Fintech, Credit and Lending · Inactive · team 4 · yc_id:945 — A bank account that lets you easily separate, spend and track money
- [Sails Co.](https://lemstudio.co/yc-companies/sails-co-786) — **Sails Co.** · YC Winter 2015 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:786 — Full-service web, mobile, & cloud studio providing professional…
- [Sakneen](https://lemstudio.co/yc-companies/sakneen-13511) — **Sakneen** · YC Winter 2020 · Real Estate and Construction, Housing and Real Estate · Active · team 9 · yc_id:13511 — Shopify for Real Estate Developers
- [SalaryBook](https://lemstudio.co/yc-companies/salarybook-24059) — **SalaryBook** · YC Summer 2021 · B2B · Active · team 7 · yc_id:24059 — Mobile first solution for Payroll, employee & expense management
- [SalaryBox](https://lemstudio.co/yc-companies/salarybox-24198) — **SalaryBox** · YC Summer 2021 · B2B, Human Resources · Active · team 40 · yc_id:24198 — Gusto for India
- [Saldor](https://lemstudio.co/yc-companies/saldor-29848) — **Saldor** · YC Summer 2024 · B2B, Supply Chain and Logistics · Active · team 2 · yc_id:29848 — Making procurement easy
- [Salem Robotics Inc](https://lemstudio.co/yc-companies/salem-robotics-inc-33408) — **Salem Robotics Inc** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:33408 — Deploying robots to replace workers in hazardous spaces
- [Salesform](https://lemstudio.co/yc-companies/salesform-13230) — **Salesform** · YC Summer 2020 · B2B, Sales · Active · team 6 · yc_id:13230 — Qualify, route, and convert more inbound leads
- [SalesPatriot](https://lemstudio.co/yc-companies/salespatriot-30230) — **SalesPatriot** · YC Winter 2025 · B2B, Operations · Active · team 15 · yc_id:30230 — AI powered operating system for distributors and OEMs
- [SalesSift](https://lemstudio.co/yc-companies/salessift-707) — **SalesSift** · YC Summer 2014 · B2B, Sales · Inactive · team 2 · yc_id:707 — Intelligent Lead Sourcing
- [Saleswhale](https://lemstudio.co/yc-companies/saleswhale-1288) — **Saleswhale** · YC Summer 2016 · B2B, Sales · Acquired · team 23 · yc_id:1288 — Saleswhale is an automated sales assistant that follows up with your…
- [Salient](https://lemstudio.co/yc-companies/salient-27808) — **Salient** · YC Winter 2023 · B2B · Active · team 40 · yc_id:27808 — AI Servicing for Auto Lenders
- [SALT](https://lemstudio.co/yc-companies/salt-25652) — **SALT** · YC Winter 2022 · Fintech · Active · team 14 · yc_id:25652 — B2B Cross-Border Payment & Compliance Platform
- [Salt Security](https://lemstudio.co/yc-companies/salt-security-1043) — **Salt Security** · YC Winter 2016 · B2B, Security · Active · team 200 · yc_id:1043 — Protects organizations from getting breached through their APIs.
- [Salus](https://lemstudio.co/yc-companies/salus-31147) — **Salus** · YC Winter 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31147 — Guardrails to validate your agent's actions before they execute
- [Salvy](https://lemstudio.co/yc-companies/salvy-29357) — **Salvy** · YC Winter 2024 · B2B, Operations · Active · team 27 · yc_id:29357 — Mobile carrier for businesses in Brazil
- [Sameday](https://lemstudio.co/yc-companies/sameday-27491) — **Sameday** · YC Winter 2023 · B2B, Sales · Active · team 7 · yc_id:27491 — The leading AI workforce for the trades.
- [Sameplan](https://lemstudio.co/yc-companies/sameplan-22042) — **Sameplan** · YC Summer 2020 · B2B, Sales · Acquired · team 3 · yc_id:22042 — Customer-facing plans for sales teams and their prospects.
- [SAMMY Labs](https://lemstudio.co/yc-companies/sammy-labs-30348) — **SAMMY Labs** · YC Winter 2025 · B2B · Active · team 10 · yc_id:30348 — Computational Law
- [Samora AI](https://lemstudio.co/yc-companies/samora-ai-31206) — **Samora AI** · YC Winter 2026 · B2B · Active · team 8 · yc_id:31206 — Multilingual voice agents that outperform humans
- [Samos Insurance](https://lemstudio.co/yc-companies/samos-insurance-25319) — **Samos Insurance** · YC Winter 2022 · Fintech, Insurance · Active · team 6 · yc_id:25319 — Accidental Death Insurance for Surgery 
- [Sample](https://lemstudio.co/yc-companies/sample-29418) — **Sample** · YC Winter 2024 · Healthcare, Healthcare IT · Acquired · team 5 · yc_id:29418 — Flexible systems for clinical reasoning.
- [Sandbox Banking](https://lemstudio.co/yc-companies/sandbox-banking-1482) — **Sandbox Banking** · YC Winter 2017 · Fintech, Banking and Exchange · Acquired · team 33 · yc_id:1482 — Low-code integration platform for banking
- [Sandra AI](https://lemstudio.co/yc-companies/sandra-ai-30044) — **Sandra AI** · YC Fall 2024 · B2B · Active · team 3 · yc_id:30044 — Building AI employees for car dealers
- [Sanifu](https://lemstudio.co/yc-companies/sanifu-27108) — **Sanifu** · YC Summer 2022 · B2B, Operations · Active · team 5 · yc_id:27108 — Automate the repetitive work spreadsheets are used for
- [Sanitation and Health Rights in India (SHRI)](https://lemstudio.co/yc-companies/sanitation-and-health-rights-in-india-shri-1071) — **Sanitation and Health Rights in India (SHRI)** · YC Winter 2016 · Unspecified · Active · team 1 · yc_id:1071
- [Santé](https://lemstudio.co/yc-companies/sant-29042) — **Santé** · YC Summer 2023 · B2B, Retail · Active · team 20 · yc_id:29042 — All-in-one POS for liquor stores
- [Sanvivo](https://lemstudio.co/yc-companies/sanvivo-28018) — **Sanvivo** · YC Winter 2023 · Healthcare, Healthcare IT · Active · team 4 · yc_id:28018 — Shopify for pharmacies in Europe
- [Saphira AI](https://lemstudio.co/yc-companies/saphira-ai-29588) — **Saphira AI** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:29588 — The Enablement Layer for Physical AI
- [Sapien](https://lemstudio.co/yc-companies/sapien-30796) — **Sapien** · YC Summer 2025 · B2B · Active · team 2 · yc_id:30796 — Synthetic populations for decisions
- [Sapling.ai](https://lemstudio.co/yc-companies/sapling-ai-11994) — **Sapling.ai** · YC Winter 2019 · B2B, Productivity · Active · team 2 · yc_id:11994 — Language models for enterprise applications.
- [Sarus](https://lemstudio.co/yc-companies/sarus-25353) — **Sarus** · YC Winter 2022 · B2B, Analytics · Acquired · team 16 · yc_id:25353 — Use personal data for analytics and ML, safely and seamlessly
- [Satchel](https://lemstudio.co/yc-companies/satchel-1900) — **Satchel** · YC Summer 2018 · Fintech, Payments · Inactive · team 8 · yc_id:1900
- [Satsuma](https://lemstudio.co/yc-companies/satsuma-24866) — **Satsuma** · YC Summer 2021 · B2B, Infrastructure · Acquired · team 5 · yc_id:24866 — Reliable blockchain indexing & querying for web3 engineering teams.
- [Saturn](https://lemstudio.co/yc-companies/saturn-29730) — **Saturn** · YC Summer 2024 · Fintech · Active · team 18 · yc_id:29730 — Compliance and back office workflows for Wealth Managers.
- [Saudara AI](https://lemstudio.co/yc-companies/saudara-ai-31481) — **Saudara AI** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31481 — AI Native Sourcing Broker For Overseas Manufacturing
- [Sava](https://lemstudio.co/yc-companies/sava-30964) — **Sava** · YC Fall 2025 · Fintech · Active · team 7 · yc_id:30964 — Building the future of trusts
- [Savant](https://lemstudio.co/yc-companies/savant-31433) — **Savant** · YC Spring 2026 · B2B, Productivity · Active · team 2 · yc_id:31433 — Company brain every AI-native enterprise runs on
- [SaveIN](https://lemstudio.co/yc-companies/savein-25789) — **SaveIN** · YC Winter 2022 · Healthcare, Consumer Health and Wellness · Active · team 60 · yc_id:25789 — Making private healthcare in India accessible and affordable
- [Savvy](https://lemstudio.co/yc-companies/savvy-13236) — **Savvy** · YC Winter 2020 · Fintech, Insurance · Acquired · team 12 · yc_id:13236 — Flexible stipends for employee health insurance
- [Sayana](https://lemstudio.co/yc-companies/sayana-13501) — **Sayana** · YC Winter 2020 · Healthcare, Consumer Health and Wellness · Acquired · team 2 · yc_id:13501 — Affordable mental self-care for all. Acquired by Headspace Health.
- [Sazabi](https://lemstudio.co/yc-companies/sazabi-31211) — **Sazabi** · YC Spring 2026 · B2B, Infrastructure · Active · team 10 · yc_id:31211 — The AI-native observability platform for fast-moving engineering teams
- [SBX Robotics](https://lemstudio.co/yc-companies/sbx-robotics-22664) — **SBX Robotics** · YC Winter 2021 · B2B, Engineering, Product and Design · Inactive · team 5 · yc_id:22664 — Synthetic data for better vision.
- [Scalar Field](https://lemstudio.co/yc-companies/scalar-field-30514) — **Scalar Field** · YC Spring 2025 · Fintech · Active · team 3 · yc_id:30514 — Your Agentic Trading Desk — Building the next era of agentic…
- [Scale AI](https://lemstudio.co/yc-companies/scale-ai-1294) — **Scale AI** · YC Summer 2016 · B2B, Engineering, Product and Design · Active · team 500 · yc_id:1294 — Data-centric infrastructure to accelerate the development of AI 
- [Scanate/Fellow](https://lemstudio.co/yc-companies/scanate-fellow-1278) — **Scanate/Fellow** · YC Summer 2016 · B2B, Finance and Accounting · Inactive · team 2 · yc_id:1278 — API for Invoice Financing
- [Scanbase](https://lemstudio.co/yc-companies/scanbase-27828) — **Scanbase** · YC Winter 2023 · Healthcare, Diagnostics · Active · team 10 · yc_id:27828 — The API for Diagnostic Test Analysis (COVID-19, FLU, RSV, STD,…
- [Scanwell Health](https://lemstudio.co/yc-companies/scanwell-health-1949) — **Scanwell Health** · YC Summer 2018 · Healthcare, Diagnostics · Acquired · team 13 · yc_id:1949 — Smartphone-enabled, at-home diagnostics
- [Scape](https://lemstudio.co/yc-companies/scape-29671) — **Scape** · YC Summer 2024 · B2B, Productivity · Active · team 5 · yc_id:29671 — The intelligent inbox that works for you
- [Scaphold.io](https://lemstudio.co/yc-companies/scaphold-io-1466) — **Scaphold.io** · YC Winter 2017 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:1466 — The Universal API
- [Scentbird](https://lemstudio.co/yc-companies/scentbird-934) — **Scentbird** · YC Summer 2015 · Consumer, Apparel and Cosmetics · Active · team 165 · yc_id:934 — Scentbird is a luxury fragrance subscription service.
- [Scheduling Wizard](https://lemstudio.co/yc-companies/scheduling-wizard-31136) — **Scheduling Wizard** · YC Winter 2026 · Healthcare, Healthcare IT · Active · team 3 · yc_id:31136 — Logistics infrastructure to modernize healthcare operations
- [SchemeFlow](https://lemstudio.co/yc-companies/schemeflow-29776) — **SchemeFlow** · YC Summer 2024 · Real Estate and Construction · Active · team 5 · yc_id:29776 — AI Report Generation for Engineering & Environmental Review
- [Schoolable](https://lemstudio.co/yc-companies/schoolable-12374) — **Schoolable** · YC Winter 2019 · Education · Active · team 10 · yc_id:12374 — Tuition collection service for K-12 private schools in Africa
- [Science Exchange](https://lemstudio.co/yc-companies/science-exchange-83) — **Science Exchange** · YC Summer 2011 · Healthcare, Healthcare Services · Acquired · team 50 · yc_id:83 — Powering scientific outsourcing
- [Sciloop](https://lemstudio.co/yc-companies/sciloop-30899) — **Sciloop** · YC Fall 2025 · B2B, Infrastructure · Active · team 6 · yc_id:30899 — Expert STEM reasoning data for frontier AI labs.
- [Scispot](https://lemstudio.co/yc-companies/scispot-24367) — **Scispot** · YC Summer 2021 · B2B · Active · team 16 · yc_id:24367 — The Best Data Infrastructure for Biotechs
- [SciTok](https://lemstudio.co/yc-companies/scitok-11963) — **SciTok** · YC Winter 2019 · Consumer · Active · team 2 · yc_id:11963 — Platform for scientists to share their research via videos
- [Scoop](https://lemstudio.co/yc-companies/scoop-30856) — **Scoop** · YC Fall 2025 · B2B · Active · team 2 · yc_id:30856 — Automating regulatory submissions for life sciences
- [Scope](https://lemstudio.co/yc-companies/scope-31351) — **Scope** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31351 — We help software companies get discovered and used by AI agents
- [Scope AR](https://lemstudio.co/yc-companies/scope-ar-876) — **Scope AR** · YC Summer 2015 · Consumer, Virtual and Augmented Reality · Inactive · team 50 · yc_id:876 — Scope AR is the leading provider of User Guided Augmented Reality…
- [ScopeAI](https://lemstudio.co/yc-companies/scopeai-1563) — **ScopeAI** · YC Winter 2017 · B2B, Operations · Acquired · team 4 · yc_id:1563 — Automatically extract valuable insights from customer service…
- [Scott AI](https://lemstudio.co/yc-companies/scott-ai-30942) — **Scott AI** · YC Fall 2025 · B2B · Active · team 3 · yc_id:30942 — The planning layer for teams that build with coding agents
- [Scout](https://lemstudio.co/yc-companies/scout-13209) — **Scout** · YC Winter 2020 · B2B, Infrastructure · Inactive · team 1 · yc_id:13209 — Dead simple CI/CD for ML teams
- [Scout](https://lemstudio.co/yc-companies/scout-29336) — **Scout** · YC Winter 2024 · B2B, Retail · Active · team 3 · yc_id:29336 — AI insights for consumer products
- [Scout](https://lemstudio.co/yc-companies/scout-30205) — **Scout** · YC Winter 2025 · Education · Active · team 8 · yc_id:30205 — AI-powered student information system for K-12 schools
- [Scout](https://lemstudio.co/yc-companies/scout-25285) — **Scout** · YC Winter 2022 · Healthcare, Diagnostics · Active · team 12 · yc_id:25285 — The smart testing platform that unlocks digital health at home.
- [Scout](https://lemstudio.co/yc-companies/scout-28303) — **Scout** · YC Winter 2023 · Consumer · Active · team 3 · yc_id:28303 — Scout is an AI news aggregator that turns your role, industry, and…
- [Scoutzie](https://lemstudio.co/yc-companies/scoutzie-459) — **Scoutzie** · YC Summer 2012 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:459 — Scoutzie is a curated community for the best mobile designers. If…
- [Scratch Data](https://lemstudio.co/yc-companies/scratch-data-24304) — **Scratch Data** · YC Summer 2021 · B2B, Infrastructure · Inactive · team 1 · yc_id:24304 — Analytics for builders. Record and query billions of datapoints with…
- [Screenhero](https://lemstudio.co/yc-companies/screenhero-472) — **Screenhero** · YC Winter 2013 · B2B, Productivity · Acquired · team 2 · yc_id:472 — Collaborative Screen Sharing — you each get your own mouse, and…
- [Screenleap](https://lemstudio.co/yc-companies/screenleap-35) — **Screenleap** · YC Winter 2012 · B2B, Productivity · Active · team 4 · yc_id:35 — One-click screen sharing with installation-free viewing on all devices
- [screenpipe](https://lemstudio.co/yc-companies/screenpipe-32259) — **screenpipe** · YC Summer 2026 · B2B, Productivity · Active · team 2 · yc_id:32259 — Turn your company's computer work into AI agents.
- [Scribd](https://lemstudio.co/yc-companies/scribd-356) — **Scribd** · YC Summer 2006 · Consumer, Content · Active · team 300 · yc_id:356 — World's largest online library.
- [Scribe](https://lemstudio.co/yc-companies/scribe-1446) — **Scribe** · YC Winter 2017 · B2B, Sales · Acquired · team 15 · yc_id:1446 — Scribe is an AI based Sales Development Representative that you can…
- [Scrimba](https://lemstudio.co/yc-companies/scrimba-22048) — **Scrimba** · YC Summer 2020 · Education · Active · team 6 · yc_id:22048 — We turn people into hireable devs for 1% of the price of code…
- [Scritch](https://lemstudio.co/yc-companies/scritch-29196) — **Scritch** · YC Winter 2024 · Healthcare · Active · yc_id:29196 — AI operating system for veterinary care
- [Scuba](https://lemstudio.co/yc-companies/scuba-473) — **Scuba** · YC Winter 2013 · B2B, Analytics · Acquired · team 51 · yc_id:473 — Analytics for impatient people.
- [Sculpt](https://lemstudio.co/yc-companies/sculpt-27190) — **Sculpt** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:27190 — Fully automated should-cost analysis for precision manufacturers.
- [Seabound](https://lemstudio.co/yc-companies/seabound-25397) — **Seabound** · YC Winter 2022 · Industrials, Climate · Active · team 18 · yc_id:25397 — Carbon capture equipment for ships
- [Seaflight Technologies](https://lemstudio.co/yc-companies/seaflight-technologies-26784) — **Seaflight Technologies** · YC Summer 2022 · Industrials, Aviation and Space · Active · team 4 · yc_id:26784 — We make the world's most efficient aircraft
- [Seal](https://lemstudio.co/yc-companies/seal-21909) — **Seal** · YC Summer 2020 · B2B, Operations · Active · team 22 · yc_id:21909 — All-in-one workspace for companies making regulated products
- [Seam](https://lemstudio.co/yc-companies/seam-21800) — **Seam** · YC Summer 2020 · B2B, Engineering, Product and Design · Active · team 25 · yc_id:21800 — API for IoT Devices
- [Searchlight](https://lemstudio.co/yc-companies/searchlight-1898) — **Searchlight** · YC Winter 2019 · B2B, Recruiting and Talent · Acquired · team 20 · yc_id:1898 — Talent AI improving quality of hire
- [Seawise Capital](https://lemstudio.co/yc-companies/seawise-capital-12238) — **Seawise Capital** · YC Winter 2019 · Fintech, Credit and Lending · Acquired · team 3 · yc_id:12238 — Trade finance company for Indian exporters
- [Secoda](https://lemstudio.co/yc-companies/secoda-24191) — **Secoda** · YC Summer 2021 · B2B, Analytics · Active · team 27 · yc_id:24191 — Secoda is the AI layer for your Analytics
- [Second](https://lemstudio.co/yc-companies/second-28368) — **Second** · YC Winter 2023 · B2B · Inactive · team 3 · yc_id:28368 — AI-Native Enterprise Codebase Maintenance
- [Second Measure](https://lemstudio.co/yc-companies/second-measure-877) — **Second Measure** · YC Summer 2015 · B2B, Analytics · Acquired · team 62 · yc_id:877 — Unlock the power of transaction data.
- [Secured](https://lemstudio.co/yc-companies/secured-1854) — **Secured** · YC Winter 2018 · Consumer, Apparel and Cosmetics · Inactive · team 12 · yc_id:1854 — Tools for Sneaker, NFT & web3 investors
- [Seed](https://lemstudio.co/yc-companies/seed-829) — **Seed** · YC Winter 2015 · Fintech, Banking and Exchange · Acquired · team 11 · yc_id:829 — Mobile banking for small business.
- [Seeing Systems](https://lemstudio.co/yc-companies/seeing-systems-31180) — **Seeing Systems** · YC Winter 2026 · Industrials, Defense · Active · team 7 · yc_id:31180 — Modular AI-Commanded Drones for Defence
- [Seer](https://lemstudio.co/yc-companies/seer-23139) — **Seer** · YC Winter 2021 · B2B, Retail · Active · team 4 · yc_id:23139 — Sell beyond the store.
- [Seerslab](https://lemstudio.co/yc-companies/seerslab-1268) — **Seerslab** · YC Summer 2016 · Consumer, Social · Inactive · team 39 · yc_id:1268 — We are providing AR technologies and contents to app developers
- [Segmed](https://lemstudio.co/yc-companies/segmed-13101) — **Segmed** · YC Winter 2020 · Healthcare, Diagnostics · Active · team 32 · yc_id:13101 — Real-World Data for Health Innovation
- [Segment](https://lemstudio.co/yc-companies/segment-88) — **Segment** · YC Summer 2011 · B2B, Analytics · Acquired · team 550 · yc_id:88 — Software and APIs to collect, clean, and control customer data.
- [Segments.ai](https://lemstudio.co/yc-companies/segments-ai-22743) — **Segments.ai** · YC Winter 2021 · B2B, Engineering, Product and Design · Acquired · team 8 · yc_id:22743 — Build better computer vision models by building better datasets
- [Sei AI](https://lemstudio.co/yc-companies/sei-ai-25348) — **Sei AI** · YC Winter 2022 · Fintech · Active · yc_id:25348 — AI Operations Partner for Mortgage & Banking
- [Seis](https://lemstudio.co/yc-companies/seis-26265) — **Seis** · YC Winter 2022 · Fintech, Consumer Finance · Inactive · team 70 · yc_id:26265 — Banking 100% in Spanish for the 44 million US Spanish speakers
- [Sekilo](https://lemstudio.co/yc-companies/sekilo-25395) — **Sekilo** · YC Winter 2022 · B2B, Supply Chain and Logistics · Active · team 15 · yc_id:25395 — Building the AI powered halal protein supply chain for foodservice in…
- [Selera Medical](https://lemstudio.co/yc-companies/selera-medical-29313) — **Selera Medical** · YC Winter 2024 · Healthcare, Medical Devices · Inactive · team 2 · yc_id:29313 — One-time, device-based treatment for heart failure
- [Selfin](https://lemstudio.co/yc-companies/selfin-30922) — **Selfin** · YC Fall 2025 · Fintech, Consumer Finance · Active · team 2 · yc_id:30922 — Institutional liquidity across prediction markets
- [Selfycart](https://lemstudio.co/yc-companies/selfycart-1186) — **Selfycart** · YC Summer 2016 · B2B, Retail · Inactive · team 2 · yc_id:1186 — Selfycart - let's grocery shoppers scan items and checkout on their…
- [Selia](https://lemstudio.co/yc-companies/selia-25308) — **Selia** · YC Winter 2022 · Healthcare, Consumer Health and Wellness · Active · team 20 · yc_id:25308 — Selia is an online platform connecting individuals with top-quality…
- [SellRaze](https://lemstudio.co/yc-companies/sellraze-30887) — **SellRaze** · YC Fall 2025 · Consumer · Active · team 6 · yc_id:30887 — The fastest way to sell online.
- [Semantics3](https://lemstudio.co/yc-companies/semantics3-511) — **Semantics3** · YC Winter 2013 · B2B, Retail · Acquired · team 25 · yc_id:511 — Data and AI platform for Ecommerce & Cross-Border Logistics
- [Semantix](https://lemstudio.co/yc-companies/semantix-1627) — **Semantix** · YC Summer 2017 · Healthcare, Healthcare IT · Inactive · team 2 · yc_id:1627 — AI for medical billing
- [Semble](https://lemstudio.co/yc-companies/semble-30885) — **Semble** · YC Fall 2025 · B2B · Active · team 14 · yc_id:30885 — The all-in-one software for integrators.
- [Semiotic](https://lemstudio.co/yc-companies/semiotic-30828) — **Semiotic** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30828 — Studio-Grade Design at Scale
- [SEND](https://lemstudio.co/yc-companies/send-13524) — **SEND** · YC Winter 2020 · B2B, Supply Chain and Logistics · Active · team 9 · yc_id:13524 — Flexport for Africa - Digital Freight forwarder and Customs Broker.
- [Sendbird](https://lemstudio.co/yc-companies/sendbird-1079) — **Sendbird** · YC Winter 2016 · B2B, Engineering, Product and Design · Active · team 300 · yc_id:1079 — The AI agent that doesn’t just support, it delights.
- [Sendblue](https://lemstudio.co/yc-companies/sendblue-29019) — **Sendblue** · YC Summer 2023 · B2B, Sales · Active · team 50 · yc_id:29019 — iMessage for Sales
- [Sendbox](https://lemstudio.co/yc-companies/sendbox-22957) — **Sendbox** · YC Winter 2021 · B2B, Supply Chain and Logistics · Active · team 25 · yc_id:22957 — Fulfillment by Amazon for African merchants
- [SendHub](https://lemstudio.co/yc-companies/sendhub-11) — **SendHub** · YC Winter 2012 · B2B, Productivity · Acquired · team 51 · yc_id:11 — Simple Business SMS. SMBs to Large Enterprise.
- [Sendme, Inc](https://lemstudio.co/yc-companies/sendme-inc-25727) — **Sendme, Inc** · YC Winter 2022 · Consumer, Food and Beverage · Inactive · team 40 · yc_id:25727 — On demand provider of meat to households and food businesses
- [Sendo](https://lemstudio.co/yc-companies/sendo-25966) — **Sendo** · YC Winter 2022 · B2B, Engineering, Product and Design · Inactive · team 1 · yc_id:25966 — The best SMS/RCS API for startups
- [Sendoid](https://lemstudio.co/yc-companies/sendoid-144) — **Sendoid** · YC Winter 2011 · B2B, Productivity · Acquired · team 2 · yc_id:144 — High speed peer to peer data transport technology for consumers…
- [Sendwave](https://lemstudio.co/yc-companies/sendwave-60) — **Sendwave** · YC Winter 2012 · Fintech, Payments · Acquired · team 350 · yc_id:60 — Instant, no fee international remittances.
- [Seneca Systems](https://lemstudio.co/yc-companies/seneca-systems-1182) — **Seneca Systems** · YC Summer 2016 · Government · Acquired · team 11 · yc_id:1182 — Constituent system-of-record and service request management software…
- [Senic](https://lemstudio.co/yc-companies/senic-546) — **Senic** · YC Summer 2013 · Consumer, Consumer Electronics · Acquired · team 16 · yc_id:546 — Simple Controls for Sonos, Philips Hue and other Smart Home products
- [Sennu AI](https://lemstudio.co/yc-companies/sennu-ai-30294) — **Sennu AI** · YC Winter 2025 · B2B · Active · team 2 · yc_id:30294 — We turn traditional companies into AI companies
- [SenpAI.GG](https://lemstudio.co/yc-companies/senpai-gg-24235) — **SenpAI.GG** · YC Summer 2021 · Consumer, Gaming · Inactive · team 12 · yc_id:24235 — Personal gaming coach for PC gamers globally 
- [Sensei](https://lemstudio.co/yc-companies/sensei-29784) — **Sensei** · YC Summer 2024 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:29784 — Robotic Training Data at Scale
- [Sensible Biotechnologies](https://lemstudio.co/yc-companies/sensible-biotechnologies-24705) — **Sensible Biotechnologies** · YC Summer 2021 · Healthcare, Therapeutics · Active · team 24 · yc_id:24705 — Unlocking the next generation of mRNA medicines
- [Senso](https://lemstudio.co/yc-companies/senso-29471) — **Senso** · YC Winter 2024 · B2B · Active · team 8 · yc_id:29471 — Control what AI says about you
- [SensorSurf](https://lemstudio.co/yc-companies/sensorsurf-27942) — **SensorSurf** · YC Winter 2023 · B2B, Engineering, Product and Design · Inactive · team 1 · yc_id:27942 — Resolve PR check failures instantly with AI
- [Sentient OS](https://lemstudio.co/yc-companies/sentient-os-34597) — **Sentient OS** · YC Fall 2026 · B2B, Productivity · Active · team 2 · yc_id:34597 — On-device AI that knows your entire life and does your work overnight.
- [Sentiyen](https://lemstudio.co/yc-companies/sentiyen-24204) — **Sentiyen** · YC Summer 2021 · B2B, Marketing · Active · team 2 · yc_id:24204 — Conversational AI assistants using your knowledge
- [Sentrial](https://lemstudio.co/yc-companies/sentrial-31100) — **Sentrial** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31100 — Datadog for Agent Reliability
- [Sepal AI](https://lemstudio.co/yc-companies/sepal-ai-29825) — **Sepal AI** · YC Summer 2024 · B2B · Acquired · team 15 · yc_id:29825 — Data Development for Advanced AI
- [Sepsis Scout](https://lemstudio.co/yc-companies/sepsis-scout-1759) — **Sepsis Scout** · YC Winter 2018 · Healthcare, Healthcare IT · Acquired · team 5 · yc_id:1759 — Wearables and AI to predict and prevent sepsis outside the hospital
- [Sequence Bio](https://lemstudio.co/yc-companies/sequence-bio-12941) — **Sequence Bio** · YC Summer 2019 · Healthcare, Drug Discovery and Delivery · Active · team 52 · yc_id:12941 — Discovering the true signals of disease to power life-changing drugs.
- [Sequence Markets](https://lemstudio.co/yc-companies/sequence-markets-31227) — **Sequence Markets** · YC Winter 2026 · Fintech · Active · team 5 · yc_id:31227 — Low-latency execution across crypto, prediction, and tokenized assets
- [Sequin](https://lemstudio.co/yc-companies/sequin-24381) — **Sequin** · YC Summer 2021 · B2B · Active · team 2 · yc_id:24381 — Sequin is building AI Voice Agents to automate collections calls for…
- [Serafis](https://lemstudio.co/yc-companies/serafis-30413) — **Serafis** · YC Summer 2025 · B2B · Active · team 4 · yc_id:30413 — Deep intelligence for private markets
- [Serial](https://lemstudio.co/yc-companies/serial-28221) — **Serial** · YC Winter 2023 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:28221 — Root cause manufacturing issues in seconds
- [Serica](https://lemstudio.co/yc-companies/serica-863) — **Serica** · YC Summer 2015 · Fintech, Banking and Exchange · Inactive · team 2 · yc_id:863 — Financial payment and loan services for the Medical Cannabis and…
- [Serif Health](https://lemstudio.co/yc-companies/serif-health-23954) — **Serif Health** · YC Winter 2022 · Healthcare, Healthcare Services · Active · team 20 · yc_id:23954 — Healthcare Price Transparency APIs and Data Products
- [Serinus Biosciences](https://lemstudio.co/yc-companies/serinus-biosciences-26734) — **Serinus Biosciences** · YC Summer 2022 · Healthcare, Therapeutics · Active · team 6 · yc_id:26734 — Combinations therapy by rational design
- [Serna Bio](https://lemstudio.co/yc-companies/serna-bio-22617) — **Serna Bio** · YC Winter 2021 · Healthcare, Therapeutics · Active · team 5 · yc_id:22617 — Genetic Medicine with Small Molecules 
- [Sero](https://lemstudio.co/yc-companies/sero-25679) — **Sero** · YC Winter 2022 · B2B · Active · team 2 · yc_id:25679 — Intelligent Customer Implementation Platform for B2B
- [Serra](https://lemstudio.co/yc-companies/serra-28863) — **Serra** · YC Summer 2023 · B2B, Recruiting and Talent · Active · team 8 · yc_id:28863 — Your 24/7 AI Recruiter
- [Serve AI](https://lemstudio.co/yc-companies/serve-ai-29839) — **Serve AI** · YC Summer 2024 · B2B, Operations · Active · team 6 · yc_id:29839 — AI for Field Service Enterprises
- [Servo7](https://lemstudio.co/yc-companies/servo7-31224) — **Servo7** · YC Winter 2026 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:31224 — Container unloading robots for warehouses
- [Seva Coffee](https://lemstudio.co/yc-companies/seva-coffee-935) — **Seva Coffee** · YC Summer 2015 · Consumer, Home and Personal · Inactive · team 2 · yc_id:935 — We're changing the world of coffee, one personalized cup at a time.
- [SF Tensor](https://lemstudio.co/yc-companies/sf-tensor-30891) — **SF Tensor** · YC Fall 2025 · B2B, Infrastructure · Active · team 6 · yc_id:30891 — Infrastructure for AI labs to focus on research.
- [SFA Therapeutics](https://lemstudio.co/yc-companies/sfa-therapeutics-24795) — **SFA Therapeutics** · YC Summer 2021 · Healthcare, Therapeutics · Active · team 4 · yc_id:24795 — Regulating the immune system to block cancer & autoimmune diseases
- [SFOX](https://lemstudio.co/yc-companies/sfox-702) — **SFOX** · YC Summer 2014 · Fintech, Banking and Exchange · Active · team 60 · yc_id:702 — Crypto-currency trading platform.
- [Shadeform](https://lemstudio.co/yc-companies/shadeform-29104) — **Shadeform** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 11 · yc_id:29104 — The GPU Cloud Marketplace
- [Shape](https://lemstudio.co/yc-companies/shape-24668) — **Shape** · YC Summer 2021 · B2B, Analytics · Active · team 4 · yc_id:24668 — Get data insights without writing SQL
- [Shape (ShapeScale)](https://lemstudio.co/yc-companies/shape-shapescale-936) — **Shape (ShapeScale)** · YC Summer 2015 · Consumer, Consumer Electronics · Active · team 7 · yc_id:936 — ShapeScale is a personal 3D scanner and fitness tracker that…
- [Shaped](https://lemstudio.co/yc-companies/shaped-25969) — **Shaped** · YC Winter 2022 · B2B, Infrastructure · Active · team 25 · yc_id:25969 — The real-time retrieval engine for search, feeds, and agents.
- [Sharpe](https://lemstudio.co/yc-companies/sharpe-29745) — **Sharpe** · YC Summer 2024 · B2B, Analytics · Active · team 3 · yc_id:29745 — Agents for quantitative research and financial data science.
- [SharpestMinds](https://lemstudio.co/yc-companies/sharpestminds-1827) — **SharpestMinds** · YC Winter 2018 · B2B, Recruiting and Talent · Acquired · team 4 · yc_id:1827 — Peer-to-peer mentorships through income-share agreements.
- [Shasqi](https://lemstudio.co/yc-companies/shasqi-857) — **Shasqi** · YC Winter 2015 · Healthcare, Drug Discovery and Delivery · Active · team 28 · yc_id:857 — Targeting Cancer with Click Chemistry
- [Shasta Health](https://lemstudio.co/yc-companies/shasta-health-28867) — **Shasta Health** · YC Summer 2023 · Healthcare, Healthcare Services · Active · team 5 · yc_id:28867 — The last healthcare admin hire
- [Shef](https://lemstudio.co/yc-companies/shef-12393) — **Shef** · YC Winter 2019 · Consumer, Food and Beverage · Active · team 70 · yc_id:12393 — Shef is a Marketplace for Homemade Food
- [Shekel Mobility](https://lemstudio.co/yc-companies/shekel-mobility-27987) — **Shekel Mobility** · YC Winter 2023 · Fintech · Active · team 18 · yc_id:27987 — B2B marketplace for Auto Dealers in Africa
- [Shelf Engine](https://lemstudio.co/yc-companies/shelf-engine-2001) — **Shelf Engine** · YC Summer 2018 · B2B, Retail · Acquired · team 40 · yc_id:2001 — Transforms how grocery stores buy highly perishable foods.
- [Shepherd](https://lemstudio.co/yc-companies/shepherd-31476) — **Shepherd** · YC Summer 2026 · B2B · Active · team 3 · yc_id:31476 — Give your company the knowledge it deserves
- [Shepherd](https://lemstudio.co/yc-companies/shepherd-23599) — **Shepherd** · YC Winter 2021 · Fintech, Insurance · Active · team 60 · yc_id:23599 — Modernizing commercial insurance
- [Shepherd](https://lemstudio.co/yc-companies/shepherd-29432) — **Shepherd** · YC Winter 2024 · Education · Active · team 5 · yc_id:29432 — Every student's personalized learning assistant
- [Shepherd Robotics](https://lemstudio.co/yc-companies/shepherd-robotics-35454) — **Shepherd Robotics** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 4 · yc_id:35454 — Robots for high skilled labor powering AI infrastructure
- [Sherloq](https://lemstudio.co/yc-companies/sherloq-27950) — **Sherloq** · YC Winter 2023 · B2B, Analytics · Active · team 6 · yc_id:27950 — One place for all your queries, directly on your SQL editor
- [Sherpa](https://lemstudio.co/yc-companies/sherpa-31407) — **Sherpa** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31407 — Make websites improve themselves.
- [Sherpa Labs](https://lemstudio.co/yc-companies/sherpa-labs-30289) — **Sherpa Labs** · YC Winter 2025 · B2B · Active · team 2 · yc_id:30289 — The AI Data Team
- [Shiboleth](https://lemstudio.co/yc-companies/shiboleth-29384) — **Shiboleth** · YC Winter 2024 · B2B, Security · Active · team 5 · yc_id:29384 — Shiboleth automates lending compliance for financial institutions…
- [Shield Bio](https://lemstudio.co/yc-companies/shield-bio-1235) — **Shield Bio** · YC Summer 2016 · Healthcare, Diagnostics · Inactive · team 28 · yc_id:1235 — Bringing 3rd generation, nanopore sequencing to healthcare to solve…
- [Shielded](https://lemstudio.co/yc-companies/shielded-32131) — **Shielded** · YC Summer 2026 · B2B, Finance and Accounting · Active · yc_id:32131 — We help Fortune 500 companies hedge their supply chain risk
- [Shift Health](https://lemstudio.co/yc-companies/shift-health-12560) — **Shift Health** · YC Summer 2019 · Healthcare, Healthcare Services · Active · team 6 · yc_id:12560 — Turn manual healthcare process into automated workflows
- [Shift Labs](https://lemstudio.co/yc-companies/shift-labs-785) — **Shift Labs** · YC Winter 2015 · Healthcare, Medical Devices · Acquired · team 6 · yc_id:785 — Makers of simple, affordable medical devices. Our award-winning…
- [Shift Messenger](https://lemstudio.co/yc-companies/shift-messenger-784) — **Shift Messenger** · YC Winter 2015 · B2B, Productivity · Inactive · team 2 · yc_id:784 — Real-time communication solution for retail and restaurant employees.
- [Shimmer](https://lemstudio.co/yc-companies/shimmer-24406) — **Shimmer** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · team 9 · yc_id:24406 — 1:1 ADHD coaching, 5-10X More affordable than alternatives
- [Shinkei Systems](https://lemstudio.co/yc-companies/shinkei-systems-25333) — **Shinkei Systems** · YC Winter 2022 · Industrials, Agriculture · Active · team 80 · yc_id:25333 — Robots for longer-lasting, better-tasting fish at scale.
- [Shiok Meats](https://lemstudio.co/yc-companies/shiok-meats-12241) — **Shiok Meats** · YC Winter 2019 · Healthcare, Industrial Bio · Acquired · team 9 · yc_id:12241 — Shiok Meats is a cell-based clean shrimp company, the first of its…
- [Shipamax](https://lemstudio.co/yc-companies/shipamax-1456) — **Shipamax** · YC Winter 2017 · B2B, Supply Chain and Logistics · Acquired · team 32 · yc_id:1456 — Simple, end-to-end automation for logistics orgs
- [ShipBlu](https://lemstudio.co/yc-companies/shipblu-24385) — **ShipBlu** · YC Summer 2021 · B2B, Supply Chain and Logistics · Active · team 300 · yc_id:24385 — Amazon Level Logistics for eCommerce Companies in MENA.
- [ShipBob](https://lemstudio.co/yc-companies/shipbob-705) — **ShipBob** · YC Summer 2014 · B2B, Supply Chain and Logistics · Active · team 1 · yc_id:705 — Providing Amazon level logistics to e-commerce businesses. 
- [Shipmates](https://lemstudio.co/yc-companies/shipmates-26871) — **Shipmates** · YC Summer 2022 · B2B, Supply Chain and Logistics · Active · team 12 · yc_id:26871 — Shipping platform for online merchants in the Philippines
- [Shipper](https://lemstudio.co/yc-companies/shipper-12373) — **Shipper** · YC Winter 2019 · B2B, Supply Chain and Logistics · Active · team 600 · yc_id:12373 — Southeast Asia’s e-commerce logistics and enablement platform
- [Shiraz AI](https://lemstudio.co/yc-companies/shiraz-ai-33053) — **Shiraz AI** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:33053 — Robots that learn on the job
- [Shire Intelligence](https://lemstudio.co/yc-companies/shire-intelligence-36345) — **Shire Intelligence** · YC Fall 2026 · Consumer, Food and Beverage · Active · team 4 · yc_id:36345 — Shire uses CCTV to run restaurants in real time.
- [Shiru](https://lemstudio.co/yc-companies/shiru-12531) — **Shiru** · YC Summer 2019 · Healthcare, Industrial Bio · Active · team 4 · yc_id:12531 — Shiru leverages ML to create proteins to feed the world sustainably. 
- [Shofo](https://lemstudio.co/yc-companies/shofo-31300) — **Shofo** · YC Winter 2026 · B2B, Infrastructure · Active · team 4 · yc_id:31300 — The World's Largest Video Library
- [Shogun](https://lemstudio.co/yc-companies/shogun-1732) — **Shogun** · YC Winter 2018 · B2B, Engineering, Product and Design · Active · team 90 · yc_id:1732 — Shogun empowers brands to create exceptional ecommerce experience.
- [Shone](https://lemstudio.co/yc-companies/shone-1825) — **Shone** · YC Winter 2018 · Industrials, Manufacturing and Robotics · Inactive · team 8 · yc_id:1825 — Shone makes existing cargo ships autonomous through retrofit.
- [Shoobs](https://lemstudio.co/yc-companies/shoobs-619) — **Shoobs** · YC Winter 2014 · Consumer, Travel, Leisure and Tourism · Active · team 5 · yc_id:619 — We help you find and book tickets to great entertainment events that…
- [Shopagram](https://lemstudio.co/yc-companies/shopagram-623) — **Shopagram** · YC Winter 2014 · Consumer · Inactive · team 1 · yc_id:623 — Next Generation Home Shopping Network
- [Shoptiques](https://lemstudio.co/yc-companies/shoptiques-31) — **Shoptiques** · YC Winter 2012 · Consumer, Apparel and Cosmetics · Active · team 51 · yc_id:31 — Shoptiques.com lets you shop the world's best local boutiques online.
- [Shopular](https://lemstudio.co/yc-companies/shopular-67) — **Shopular** · YC Winter 2012 · Consumer, Home and Personal · Acquired · team 11 · yc_id:67 — Deals, Coupons & Cash Back for your favorite stores.
- [ShopWith](https://lemstudio.co/yc-companies/shopwith-1915) — **ShopWith** · YC Summer 2018 · B2B, Marketing · Inactive · team 3 · yc_id:1915 — ShopWith is mobile QVC for GenZ.
- [Shor](https://lemstudio.co/yc-companies/shor-30619) — **Shor** · YC Summer 2025 · Fintech, Payments · Active · team 4 · yc_id:30619 — International payroll, built for founders
- [Short Story](https://lemstudio.co/yc-companies/short-story-12572) — **Short Story** · YC Summer 2019 · Consumer, Apparel and Cosmetics · Active · team 120 · yc_id:12572 — Modern ecommerce for petite women
- [Shortbread](https://lemstudio.co/yc-companies/shortbread-27947) — **Shortbread** · YC Winter 2023 · Consumer, Content · Active · team 4 · yc_id:27947 — Read romance comics.
- [shortkit](https://lemstudio.co/yc-companies/shortkit-31096) — **shortkit** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31096 — Media infra for consumer apps
- [ShortLoop](https://lemstudio.co/yc-companies/shortloop-27892) — **ShortLoop** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:27892 — Phone AI that Captures Every Dealership Revenue Opportunity
- [Shotput](https://lemstudio.co/yc-companies/shotput-892) — **Shotput** · YC Summer 2015 · B2B, Supply Chain and Logistics · Inactive · team 2 · yc_id:892 — Shotput (S15) develops AI and robotics to completely automate…
- [shotwell.ai](https://lemstudio.co/yc-companies/shotwell-ai-31400) — **shotwell.ai** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 4 · yc_id:31400 — Annotations for robotics data
- [Shout](https://lemstudio.co/yc-companies/shout-706) — **Shout** · YC Summer 2014 · Consumer, Home and Personal · Inactive · team 2 · yc_id:706 — Real-Time Classifieds
- [Shoutfit](https://lemstudio.co/yc-companies/shoutfit-361) — **Shoutfit** · YC Summer 2006 · Consumer, Apparel and Cosmetics · Inactive · team 3 · yc_id:361
- [Shred Video](https://lemstudio.co/yc-companies/shred-video-937) — **Shred Video** · YC Summer 2015 · Consumer, Content · Active · team 2 · yc_id:937 — Shred Video builds automated video & photo systems that allow…
- [Shuttle](https://lemstudio.co/yc-companies/shuttle-21794) — **Shuttle** · YC Summer 2020 · B2B, Infrastructure · Inactive · team 12 · yc_id:21794 — Build Backends. Fast.
- [Shuttle Central](https://lemstudio.co/yc-companies/shuttle-central-25476) — **Shuttle Central** · YC Winter 2022 · Consumer, Travel, Leisure and Tourism · Active · team 28 · yc_id:25476 — Helping travel companies to sell transportation online
- [Siasto](https://lemstudio.co/yc-companies/siasto-167) — **Siasto** · YC Winter 2011 · B2B, Productivity · Inactive · team 2 · yc_id:167 — Siasto is a collaboration tool designed for SMBs who use Google Apps,…
- [SID](https://lemstudio.co/yc-companies/sid-28843) — **SID** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:28843 — AI research lab for retrieval
- [Sidekick](https://lemstudio.co/yc-companies/sidekick-31437) — **Sidekick** · YC Summer 2026 · B2B, Operations · Active · team 1 · yc_id:31437 — AI agent that manages manufacturing operations over text
- [Sidenote](https://lemstudio.co/yc-companies/sidenote-28902) — **Sidenote** · YC Summer 2023 · B2B, Productivity · Inactive · team 3 · yc_id:28902 — Meeting follow-up, automated
- [sieve](https://lemstudio.co/yc-companies/sieve-30552) — **sieve** · YC Spring 2025 · B2B, Finance and Accounting · Active · team 2 · yc_id:30552 — AI + human review to solve data cleaning - accessible via API or Excel
- [Sieve](https://lemstudio.co/yc-companies/sieve-25307) — **Sieve** · YC Winter 2022 · B2B, Infrastructure · Active · team 34 · yc_id:25307 — The multimodal data lab
- [Sift](https://lemstudio.co/yc-companies/sift-102) — **Sift** · YC Summer 2011 · B2B, Security · Active · yc_id:102 — The Leader in Digital Trust & Safety
- [Siftly](https://lemstudio.co/yc-companies/siftly-25656) — **Siftly** · YC Winter 2022 · B2B, Analytics · Active · team 4 · yc_id:25656 — Get your brand discovered and recommended by ChatGPT
- [Siglo](https://lemstudio.co/yc-companies/siglo-24596) — **Siglo** · YC Summer 2021 · Consumer · Active · team 20 · yc_id:24596 — Home Internet for urban Latin America
- [Sigma](https://lemstudio.co/yc-companies/sigma-34895) — **Sigma** · YC Fall 2026 · B2B, Finance and Accounting · Active · team 2 · yc_id:34895 — Lakehouse-as-a-Service (LaaS) for pre and post-acquisition
- [Sigma Genetics](https://lemstudio.co/yc-companies/sigma-genetics-1581) — **Sigma Genetics** · YC Winter 2017 · Healthcare, Therapeutics · Active · team 2 · yc_id:1581 — Sigma Genetics is a biotechnology company that is building…
- [SigmaMind AI](https://lemstudio.co/yc-companies/sigmamind-ai-26693) — **SigmaMind AI** · YC Summer 2022 · B2B · Active · team 12 · yc_id:26693 — Voice AI platform purpose-built for contact centers.
- [SigmanticAI](https://lemstudio.co/yc-companies/sigmanticai-30744) — **SigmanticAI** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30744 — The Cursor for Chip Design - Delivering Silicon-Ready Chip Designs…
- [SigmaOS](https://lemstudio.co/yc-companies/sigmaos-24282) — **SigmaOS** · YC Summer 2021 · Consumer · Active · team 5 · yc_id:24282 — The new home for your internet 🏡
- [Signadot](https://lemstudio.co/yc-companies/signadot-13179) — **Signadot** · YC Winter 2020 · B2B, Infrastructure · Active · team 8 · yc_id:13179 — Scalable validation infrastructure for AI agents
- [Signals](https://lemstudio.co/yc-companies/signals-30639) — **Signals** · YC Winter 2026 · B2B · Active · team 2 · yc_id:30639 — iMessage revenue channel for DTC brands that brings customers back
- [Signatur Biosciences](https://lemstudio.co/yc-companies/signatur-biosciences-26751) — **Signatur Biosciences** · YC Summer 2022 · Healthcare, Diagnostics · Active · team 5 · yc_id:26751 — Simple tests for complex diseases.
- [SigNoz](https://lemstudio.co/yc-companies/signoz-22671) — **SigNoz** · YC Winter 2021 · B2B, Infrastructure · Active · team 38 · yc_id:22671 — Open source alternative to DataDog 
- [SigOpt](https://lemstudio.co/yc-companies/sigopt-830) — **SigOpt** · YC Winter 2015 · B2B, Engineering, Product and Design · Acquired · team 23 · yc_id:830 — SigOpt is an Optimization-as-a-Service platform that seamlessly tunes…
- [Sila](https://lemstudio.co/yc-companies/sila-31254) — **Sila** · YC Winter 2026 · B2B, Productivity · Active · team 2 · yc_id:31254 — Agentic Whatsapp
- [Silimate](https://lemstudio.co/yc-companies/silimate-29010) — **Silimate** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:29010 — Fast, efficient agents for chip design and debug
- [SilkChart](https://lemstudio.co/yc-companies/silkchart-25249) — **SilkChart** · YC Summer 2022 · B2B, Sales · Active · team 8 · yc_id:25249 — AI Sales Assistant to increase playbook adoption and win more deals
- [Silmaril](https://lemstudio.co/yc-companies/silmaril-31478) — **Silmaril** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31478 — Security for agents that self-improves
- [Silogy](https://lemstudio.co/yc-companies/silogy-29472) — **Silogy** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:29472 — An AI-powered test and debug platform for chip developers
- [Silurian](https://lemstudio.co/yc-companies/silurian-29661) — **Silurian** · YC Summer 2024 · Industrials, Climate · Active · team 6 · yc_id:29661 — Foundation models to simulate Earth, starting with weather.
- [Silver](https://lemstudio.co/yc-companies/silver-1072) — **Silver** · YC Winter 2016 · Consumer, Consumer Electronics · Inactive · yc_id:1072 — Low cost consumer device for toxin detection. 
- [Sim](https://lemstudio.co/yc-companies/sim-30440) — **Sim** · YC Spring 2025 · B2B · Active · team 10 · yc_id:30440 — Build autonomous AI agents for enterprise systems
- [Simantic](https://lemstudio.co/yc-companies/simantic-33838) — **Simantic** · YC Fall 2026 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:33838 — Firmware simulation for AI agents
- [Simbie AI](https://lemstudio.co/yc-companies/simbie-ai-29113) — **Simbie AI** · YC Summer 2023 · Healthcare · Active · team 5 · yc_id:29113 — We get patients to their next appointment
- [SimCare](https://lemstudio.co/yc-companies/simcare-29978) — **SimCare** · YC Summer 2024 · Healthcare · Active · team 7 · yc_id:29978 — AI avatars to scale healthcare training.
- [Simetrik](https://lemstudio.co/yc-companies/simetrik-1752) — **Simetrik** · YC Winter 2018 · B2B, Finance and Accounting · Active · team 350 · yc_id:1752 — No code enterprise SaaS for financial control automation.
- [Simmer](https://lemstudio.co/yc-companies/simmer-12004) — **Simmer** · YC Winter 2019 · Consumer, Travel, Leisure and Tourism · Inactive · team 2 · yc_id:12004 — We do reviews for dishes. Our app helps users find the very best…
- [Simmery](https://lemstudio.co/yc-companies/simmery-376) — **Simmery** · YC Summer 2005 · Consumer, Social · Inactive · yc_id:376
- [Simperium](https://lemstudio.co/yc-companies/simperium-182) — **Simperium** · YC Summer 2010 · B2B, Productivity · Acquired · team 2 · yc_id:182 — Simplenote (simplenote.com) and the Simperium platform for syncing…
- [Simple AI](https://lemstudio.co/yc-companies/simple-ai-29785) — **Simple AI** · YC Summer 2024 · B2B, Sales · Active · team 11 · yc_id:29785 — AI voice that sells
- [Simple Strips](https://lemstudio.co/yc-companies/simple-strips-13220) — **Simple Strips** · YC Winter 2020 · Healthcare, Diagnostics · Inactive · team 2 · yc_id:13220 — Low-cost blood glucose test strips scanned with a smartphone camera…
- [SimpleCitizen](https://lemstudio.co/yc-companies/simplecitizen-1211) — **SimpleCitizen** · YC Summer 2016 · Consumer, Home and Personal · Acquired · team 23 · yc_id:1211 — From signup to citizenship, only SimpleCitizen guides applicants…
- [SimpleHash](https://lemstudio.co/yc-companies/simplehash-26425) — **SimpleHash** · YC Winter 2022 · B2B, Infrastructure · Acquired · yc_id:26425 — Multi-chain token data platform
- [SimpleLegal](https://lemstudio.co/yc-companies/simplelegal-533) — **SimpleLegal** · YC Summer 2013 · B2B, Legal · Acquired · team 60 · yc_id:533 — Legal Operations for corporate legal teams.
- [Simplex](https://lemstudio.co/yc-companies/simplex-29296) — **Simplex** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29296 — AI agents to enroll providers with payors
- [Simplify](https://lemstudio.co/yc-companies/simplify-23056) — **Simplify** · YC Winter 2021 · Consumer, Job and Career Services · Active · team 5 · yc_id:23056 — Helping a billion people build their dream career
- [Simplifyd Systems](https://lemstudio.co/yc-companies/simplifyd-systems-25752) — **Simplifyd Systems** · YC Winter 2022 · B2B · Active · team 8 · yc_id:25752 — We deliver toll-free internet apps
- [SimplyInsured](https://lemstudio.co/yc-companies/simplyinsured-500) — **SimplyInsured** · YC Winter 2013 · Healthcare, Healthcare Services · Active · team 35 · yc_id:500 — We sell health insurance to small businesses 100% online.
- [SimplyListed](https://lemstudio.co/yc-companies/simplylisted-175) — **SimplyListed** · YC Winter 2011 · Consumer, Home and Personal · Inactive · team 2 · yc_id:175 — Sell your stuff.
- [Simulithic](https://lemstudio.co/yc-companies/simulithic-34629) — **Simulithic** · YC Fall 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:34629 — User simulations for production monitoring.
- [SINAI](https://lemstudio.co/yc-companies/sinai-13151) — **SINAI** · YC Winter 2020 · Industrials, Energy · Active · team 50 · yc_id:13151 — Enterprise software to quantify cost-effective decarbonization…
- [SingleStore](https://lemstudio.co/yc-companies/singlestore-134) — **SingleStore** · YC Winter 2011 · B2B, Infrastructure · Active · team 150 · yc_id:134 — The cloud-native, operational database built for speed and scale.
- [Singularity](https://lemstudio.co/yc-companies/singularity-29146) — **Singularity** · YC Summer 2023 · Industrials, Aviation and Space · Active · team 1 · yc_id:29146 — Building and Protecting an Exciting Future
- [Sinovia Technologies](https://lemstudio.co/yc-companies/sinovia-technologies-1448) — **Sinovia Technologies** · YC Winter 2017 · Industrials, Manufacturing and Robotics · Active · team 7 · yc_id:1448 — Flexible printed OLED displays.
- [Sinter](https://lemstudio.co/yc-companies/sinter-36708) — **Sinter** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:36708 — Accelerating scaled plastics with additive technologies
- [Sintropix](https://lemstudio.co/yc-companies/sintropix-37995) — **Sintropix** · YC Fall 2026 · B2B, Finance and Accounting · Active · team 2 · yc_id:37995 — Autonomous accounting platform for global companies
- [SiPhox Health](https://lemstudio.co/yc-companies/siphox-health-22319) — **SiPhox Health** · YC Summer 2020 · Healthcare, Consumer Health and Wellness · Active · team 63 · yc_id:22319 — At-Home health monitoring with silicon photonic chips for data centers
- [Sira](https://lemstudio.co/yc-companies/sira-30742) — **Sira** · YC Summer 2025 · B2B, Human Resources · Active · team 4 · yc_id:30742 — AI Native Rippling for Deskless Workers
- [Sirdab](https://lemstudio.co/yc-companies/sirdab-27984) — **Sirdab** · YC Winter 2023 · B2B, Supply Chain and Logistics · Active · yc_id:27984 — Cloud warehousing & supply chain platform in MENA
- [Sirka](https://lemstudio.co/yc-companies/sirka-24514) — **Sirka** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · team 9 · yc_id:24514 — Noom for Southeast Asia
- [SIRUM](https://lemstudio.co/yc-companies/sirum-787) — **SIRUM** · YC Winter 2015 · Unspecified · Active · team 15 · yc_id:787 — SIRUM is a “match.com” for unused medicine. We connect institutional…
- [Sitefire](https://lemstudio.co/yc-companies/sitefire-31203) — **Sitefire** · YC Winter 2026 · B2B, Marketing · Active · team 2 · yc_id:31203 — Marketing suite for the agentic web
- [Sitenna](https://lemstudio.co/yc-companies/sitenna-24828) — **Sitenna** · YC Summer 2021 · B2B · Active · team 7 · yc_id:24828 — Compound B2B SaaS for modern infrastructure to deploy and manage sites
- [Sivo](https://lemstudio.co/yc-companies/sivo-22776) — **Sivo** · YC Winter 2021 · Fintech, Credit and Lending · Active · team 15 · yc_id:22776 — Debt as a service for companies to lend money to their users at scale.
- [Sixa](https://lemstudio.co/yc-companies/sixa-1189) — **Sixa** · YC Summer 2016 · B2B, Engineering, Product and Design · Inactive · team 11 · yc_id:1189 — Personal computer in the cloud
- [Sixfold Bioscience](https://lemstudio.co/yc-companies/sixfold-bioscience-1746) — **Sixfold Bioscience** · YC Winter 2018 · Healthcare, Drug Discovery and Delivery · Active · team 27 · yc_id:1746 — Delivering RNA therapies.
- [Sixty](https://lemstudio.co/yc-companies/sixty-1613) — **Sixty** · YC Summer 2017 · B2B, Engineering, Product and Design · Inactive · team 4 · yc_id:1613 — On demand web app help
- [Sixtyfour](https://lemstudio.co/yc-companies/sixtyfour-30464) — **Sixtyfour** · YC Spring 2025 · B2B, Infrastructure · Active · team 12 · yc_id:30464 — Intelligence Infrastructure on People and Entities
- [sizeless](https://lemstudio.co/yc-companies/sizeless-28959) — **sizeless** · YC Summer 2023 · Real Estate and Construction · Active · team 4 · yc_id:28959 — The spatial AI to plan, build and maintain the world's infrastructure
- [Sketchbox](https://lemstudio.co/yc-companies/sketchbox-1724) — **Sketchbox** · YC Winter 2018 · Consumer, Virtual and Augmented Reality · Inactive · team 20 · yc_id:1724 — Wordpress for AR & VR
- [SketchDeck](https://lemstudio.co/yc-companies/sketchdeck-620) — **SketchDeck** · YC Winter 2014 · B2B, Productivity · Acquired · team 20 · yc_id:620 — Operating system for creative agencies
- [Skill-lync](https://lemstudio.co/yc-companies/skill-lync-12234) — **Skill-lync** · YC Winter 2019 · Education · Active · team 3000 · yc_id:12234 — Online engineering college for India. Learn technical skills & get…
- [Skillsync](https://lemstudio.co/yc-companies/skillsync-31133) — **Skillsync** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31133 — Notion for AI chats
- [Skillza](https://lemstudio.co/yc-companies/skillza-25379) — **Skillza** · YC Winter 2022 · Education · Inactive · team 20 · yc_id:25379 — Skillza builds simple tools for teachers and schools in MEA
- [Skio](https://lemstudio.co/yc-companies/skio-22050) — **Skio** · YC Summer 2020 · B2B, Marketing · Acquired · team 70 · yc_id:22050 — Subscriptions for Shopify
- [Skip](https://lemstudio.co/yc-companies/skip-1764) — **Skip** · YC Winter 2018 · Consumer, Transportation Services · Inactive · team 2 · yc_id:1764 — Electric scooters for reliable last-mile transportation.
- [SkydropX](https://lemstudio.co/yc-companies/skydropx-2004) — **SkydropX** · YC Summer 2018 · B2B, Supply Chain and Logistics · Active · team 320 · yc_id:2004 — Logistic Management System for E-commerce & Retail in Mexico. 
- [Skyhook](https://lemstudio.co/yc-companies/skyhook-28192) — **Skyhook** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:28192 — PaaS-like experience with the power of Kubernetes, on your cloud
- [SkyLights](https://lemstudio.co/yc-companies/skylights-1437) — **SkyLights** · YC Summer 2016 · Consumer, Virtual and Augmented Reality · Inactive · team 5 · yc_id:1437 — Premium immersive cinematic VR entertainment for captive audiences
- [SkyLink](https://lemstudio.co/yc-companies/skylink-25635) — **SkyLink** · YC Winter 2022 · B2B · Acquired · team 53 · yc_id:25635 — Travel Management Meets AI
- [Skymerse](https://lemstudio.co/yc-companies/skymerse-33111) — **Skymerse** · YC Summer 2026 · Industrials, Aviation and Space · Active · yc_id:33111 — Autopilot for Flight Operations
- [Skypher](https://lemstudio.co/yc-companies/skypher-13322) — **Skypher** · YC Winter 2020 · B2B, Security · Active · team 12 · yc_id:13322 — AI agent for Compliance Questionnaires Automation
- [Skyscrape](https://lemstudio.co/yc-companies/skyscrape-1662) — **Skyscrape** · YC Summer 2017 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:1662 — Skyscrape makes temperature-responsive insulation
- [Skysheet](https://lemstudio.co/yc-companies/skysheet-266) — **Skysheet** · YC Winter 2009 · B2B, Productivity · Inactive · team 2 · yc_id:266 — Browser-based spreadsheet.
- [Skyvern](https://lemstudio.co/yc-companies/skyvern-28887) — **Skyvern** · YC Summer 2023 · B2B, Infrastructure · Active · team 10 · yc_id:28887 — Open Source AI Agent to automate browser workflows via an API
- [Skyways](https://lemstudio.co/yc-companies/skyways-1583) — **Skyways** · YC Summer 2017 · Industrials, Drones · Active · team 33 · yc_id:1583 — Creating a new form of air transportation to advance our civilization
- [Slapdash](https://lemstudio.co/yc-companies/slapdash-12239) — **Slapdash** · YC Winter 2019 · B2B, Productivity · Acquired · team 6 · yc_id:12239 — Work at the speed of thought
- [Slash](https://lemstudio.co/yc-companies/slash-23120) — **Slash** · YC Summer 2021 · Fintech · Active · team 70 · yc_id:23120 — Banking, corporate cards, stablecoin payments – available globally.
- [SlashAuth](https://lemstudio.co/yc-companies/slashauth-22696) — **SlashAuth** · YC Winter 2021 · B2B, Infrastructure · Inactive · team 3 · yc_id:22696 — The solution for fine-grained access control in web3
- [Slashy](https://lemstudio.co/yc-companies/slashy-30669) — **Slashy** · YC Summer 2025 · B2B, Productivity · Active · team 3 · yc_id:30669 — Cursor for Email
- [Slauth.io](https://lemstudio.co/yc-companies/slauth-io-26847) — **Slauth.io** · YC Summer 2022 · B2B, Infrastructure · Inactive · team 4 · yc_id:26847 — The IAM Policy Copilot
- [Sleek](https://lemstudio.co/yc-companies/sleek-24135) — **Sleek** · YC Summer 2021 · B2B · Acquired · team 5 · yc_id:24135 — Browser automation for businesses.
- [Sleep Reset](https://lemstudio.co/yc-companies/sleep-reset-1455) — **Sleep Reset** · YC Winter 2017 · Healthcare, Healthcare Services · Active · team 8 · yc_id:1455 — One clinic for every sleep issue
- [Sliced Investing](https://lemstudio.co/yc-companies/sliced-investing-736) — **Sliced Investing** · YC Summer 2014 · Fintech, Asset Management · Acquired · team 11 · yc_id:736 — Crowdfunding for hedge funds
- [Slicker](https://lemstudio.co/yc-companies/slicker-28979) — **Slicker** · YC Summer 2023 · Fintech, Payments · Active · team 2 · yc_id:28979 — Recover payment failures and maximize subscription Revenue
- [Slidely AI](https://lemstudio.co/yc-companies/slidely-ai-26852) — **Slidely AI** · YC Summer 2022 · B2B, Productivity · Active · team 5 · yc_id:26852 — AI for professional PowerPoint presentations, available in PowerPoint
- [SlidePay](https://lemstudio.co/yc-companies/slidepay-20) — **SlidePay** · YC Winter 2012 · Fintech, Payments · Acquired · team 2 · yc_id:20 — Banking and Payment Platform APIs. Exited October 2014.
- [Slik](https://lemstudio.co/yc-companies/slik-1637) — **Slik** · YC Summer 2017 · B2B, Sales · Inactive · team 2 · yc_id:1637 — Slik enables the long tail to use email outreach. 
- [Slingshot](https://lemstudio.co/yc-companies/slingshot-27176) — **Slingshot** · YC Summer 2022 · Healthcare · Acquired · team 4 · yc_id:27176 — Analyze medical records in seconds
- [Slinkset](https://lemstudio.co/yc-companies/slinkset-302) — **Slinkset** · YC Summer 2008 · Consumer, Content · Inactive · team 2 · yc_id:302 — Votable lists
- [Slite](https://lemstudio.co/yc-companies/slite-1748) — **Slite** · YC Winter 2018 · B2B, Productivity · Active · team 40 · yc_id:1748 — The self-maintaining knowledge base
- [Slope](https://lemstudio.co/yc-companies/slope-23796) — **Slope** · YC Summer 2021 · Fintech, Payments · Active · team 16 · yc_id:23796 — The B2B Payments Platform 
- [Smarking](https://lemstudio.co/yc-companies/smarking-788) — **Smarking** · YC Winter 2015 · B2B, Analytics · Acquired · team 17 · yc_id:788 — Digitize $655B parking industry
- [Smart Alto](https://lemstudio.co/yc-companies/smart-alto-1523) — **Smart Alto** · YC Winter 2017 · Real Estate and Construction, Housing and Real Estate · Inactive · team 8 · yc_id:1523 — Easiest way to set appointments with real estate leads  
- [SmartAsset](https://lemstudio.co/yc-companies/smartasset-414) — **SmartAsset** · YC Summer 2012 · Fintech, Consumer Finance · Active · team 210 · yc_id:414 — Marketplace connecting consumers to financial advisors
- [Smartbase](https://lemstudio.co/yc-companies/smartbase-30779) — **Smartbase** · YC Spring 2026 · B2B, Operations · Active · team 2 · yc_id:30779 — AI-native ERP for manufacturers
- [Smartcuts](https://lemstudio.co/yc-companies/smartcuts-22720) — **Smartcuts** · YC Winter 2021 · B2B, Productivity · Active · team 3 · yc_id:22720 — Chrome extension to turn clicks & keystrokes into no-code automations
- [SmartHelio](https://lemstudio.co/yc-companies/smarthelio-25733) — **SmartHelio** · YC Winter 2022 · B2B, Analytics · Active · team 25 · yc_id:25733 — Software to prevent downtime in a solar plant
- [SmartPath](https://lemstudio.co/yc-companies/smartpath-1277) — **SmartPath** · YC Summer 2016 · Fintech, Consumer Finance · Active · team 16 · yc_id:1277 — Financial wellness for the middle class
- [SmartSite](https://lemstudio.co/yc-companies/smartsite-1185) — **SmartSite** · YC Summer 2016 · Real Estate and Construction, Construction · Inactive · team 2 · yc_id:1185 — Smartsite is a hardware device to protect workers from health risks…
- [Smobi](https://lemstudio.co/yc-companies/smobi-29080) — **Smobi** · YC Summer 2023 · B2B, Marketing · Active · team 4 · yc_id:29080 — Send texts your customers actually want over RCS
- [smol machines](https://lemstudio.co/yc-companies/smol-machines-31448) — **smol machines** · YC Spring 2026 · B2B, Infrastructure · Active · team 1 · yc_id:31448 — Ship software faster with portable, self contained virtual machines.
- [Smooth](https://lemstudio.co/yc-companies/smooth-30050) — **Smooth** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30050 — Fast, simple, reliable AI browser agent
- [Smyte](https://lemstudio.co/yc-companies/smyte-750) — **Smyte** · YC Winter 2015 · B2B, Security · Acquired · team 11 · yc_id:750 — Smyte stops bad actors on social networks and marketplaces.
- [SNAB](https://lemstudio.co/yc-companies/snab-25930) — **SNAB** · YC Winter 2022 · Fintech · Active · team 6 · yc_id:25930 — A global finance automation platform for complex multi-entity…
- [Snackpass](https://lemstudio.co/yc-companies/snackpass-1882) — **Snackpass** · YC Winter 2018 · Consumer, Food and Beverage · Active · team 38 · yc_id:1882 — Order ahead at restaurants and get rewards with friends.
- [SnapBite](https://lemstudio.co/yc-companies/snapbite-408) — **SnapBite** · YC Summer 2012 · Consumer, Home and Personal · Inactive · yc_id:408 — TBD
- [Snapboard](https://lemstudio.co/yc-companies/snapboard-13323) — **Snapboard** · YC Winter 2020 · B2B, Productivity · Inactive · team 2 · yc_id:13323
- [SnapCalorie](https://lemstudio.co/yc-companies/snapcalorie-24142) — **SnapCalorie** · YC Summer 2021 · Consumer · Active · team 5 · yc_id:24142 — Single photo nutrition tracking.
- [Snapdocs](https://lemstudio.co/yc-companies/snapdocs-622) — **Snapdocs** · YC Winter 2014 · Real Estate and Construction, Housing and Real Estate · Active · team 285 · yc_id:622 — digital mortgage closing
- [Snapjoy](https://lemstudio.co/yc-companies/snapjoy-123) — **Snapjoy** · YC Summer 2011 · Consumer, Content · Inactive · team 11 · yc_id:123 — Photo library.
- [SnapMagic](https://lemstudio.co/yc-companies/snapmagic-878) — **SnapMagic** · YC Summer 2015 · B2B, Engineering, Product and Design · Active · team 23 · yc_id:878 — AI-assisted electronics design
- [Snappr](https://lemstudio.co/yc-companies/snappr-1490) — **Snappr** · YC Winter 2017 · B2B · Active · team 250 · yc_id:1490 — Snappr is the one-stop-shop for visual content creation
- [Snaptalent](https://lemstudio.co/yc-companies/snaptalent-320) — **Snaptalent** · YC Winter 2008 · B2B, Recruiting and Talent · Inactive · team 2 · yc_id:320
- [SnapTrade](https://lemstudio.co/yc-companies/snaptrade-25584) — **SnapTrade** · YC Winter 2022 · Fintech · Active · team 17 · yc_id:25584 — Plaid for trading
- [Snipd](https://lemstudio.co/yc-companies/snipd-297) — **Snipd** · YC Summer 2008 · B2B, Marketing · Inactive · team 2 · yc_id:297
- [Snipshot](https://lemstudio.co/yc-companies/snipshot-368) — **Snipshot** · YC Winter 2006 · Consumer, Content · Inactive · yc_id:368 — We sold Snipshot to Ansa in 2013.
- [Snowpilot](https://lemstudio.co/yc-companies/snowpilot-29686) — **Snowpilot** · YC Summer 2024 · B2B · Active · team 2 · yc_id:29686 — The connected spreadsheet that destroys data silos
- [Social Construct](https://lemstudio.co/yc-companies/social-construct-1698) — **Social Construct** · YC Summer 2017 · Real Estate and Construction, Housing and Real Estate · Inactive · team 17 · yc_id:1698 — Social Construct designs and assembles large apartment buildings
…
- [Socialbrowse](https://lemstudio.co/yc-companies/socialbrowse-314) — **Socialbrowse** · YC Winter 2008 · Consumer, Social · Inactive · team 2 · yc_id:314
- [Socialcam](https://lemstudio.co/yc-companies/socialcam-65) — **Socialcam** · YC Winter 2012 · Consumer, Content · Acquired · yc_id:65 — The easiest way to share videos with friends and family. 
- [Socialmoth](https://lemstudio.co/yc-companies/socialmoth-353) — **Socialmoth** · YC Winter 2007 · Consumer, Social · Inactive · team 2 · yc_id:353
- [SocialPicks](https://lemstudio.co/yc-companies/socialpicks-334) — **SocialPicks** · YC Summer 2007 · Consumer, Social · Inactive · team 2 · yc_id:334 — SocialPicks was a platform where stock investors could exchange…
- [SockSoho](https://lemstudio.co/yc-companies/socksoho-22092) — **SockSoho** · YC Summer 2020 · Consumer, Apparel and Cosmetics · Active · team 22 · yc_id:22092 — Building world's largest men fashion brand powered by technology
- [Soco](https://lemstudio.co/yc-companies/soco-24137) — **Soco** · YC Summer 2021 · Consumer, Apparel and Cosmetics · Active · yc_id:24137 — Visual AI shopping
- [Socratix AI](https://lemstudio.co/yc-companies/socratix-ai-30726) — **Socratix AI** · YC Summer 2025 · B2B, Operations · Active · team 5 · yc_id:30726 — AI coworkers for fraud and compliance teams.
- [Soff](https://lemstudio.co/yc-companies/soff-29773) — **Soff** · YC Summer 2024 · B2B, Supply Chain and Logistics · Active · team 6 · yc_id:29773 — AI Agents for Distributors
- [Sohar Health](https://lemstudio.co/yc-companies/sohar-health-28802) — **Sohar Health** · YC Summer 2023 · Healthcare, Healthcare IT · Active · team 8 · yc_id:28802 — AI-powered insurance verification to boost patient conversion.
- [Sola](https://lemstudio.co/yc-companies/sola-28996) — **Sola** · YC Summer 2023 · B2B · Active · team 5 · yc_id:28996 — Copilot for Robotic Process Automation
- [Solari AI](https://lemstudio.co/yc-companies/solari-ai-29363) — **Solari AI** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:29363 — Gives non-technical team members agents that work right out of the box
- [SolarMente](https://lemstudio.co/yc-companies/solarmente-24024) — **SolarMente** · YC Summer 2021 · Consumer · Inactive · team 65 · yc_id:24024 — Home electrification at $0 upfront cost
- [Solidroad](https://lemstudio.co/yc-companies/solidroad-30275) — **Solidroad** · YC Winter 2025 · B2B · Active · team 6 · yc_id:30275 — AI agents for CX teams, starting with training and QA.
- [SolidStage](https://lemstudio.co/yc-companies/solidstage-57) — **SolidStage** · YC Winter 2012 · B2B, Engineering, Product and Design · Inactive · yc_id:57 — Sysadmin as a service. We make deploying, configuring, monitoring,…
- [Solo](https://lemstudio.co/yc-companies/solo-23036) — **Solo** · YC Winter 2021 · Fintech, Consumer Finance · Active · team 25 · yc_id:23036 — We help people resolve debt.
- [Solugen](https://lemstudio.co/yc-companies/solugen-1513) — **Solugen** · YC Winter 2017 · Healthcare, Industrial Bio · Active · team 200 · yc_id:1513 — Decarbonizing the chemicals industry.
- [Solum Health](https://lemstudio.co/yc-companies/solum-health-27151) — **Solum Health** · YC Summer 2022 · Healthcare · Active · team 3 · yc_id:27151 — AI Automation for Therapy Practices
- [Solva](https://lemstudio.co/yc-companies/solva-30706) — **Solva** · YC Summer 2025 · Fintech, Insurance · Active · team 15 · yc_id:30706 — Building the new superintelligence for insurance
- [Solve](https://lemstudio.co/yc-companies/solve-1625) — **Solve** · YC Summer 2017 · Consumer, Travel, Leisure and Tourism · Acquired · team 2 · yc_id:1625 — We save travelers hours by meeting them at their arrival gate,…
- [Solve Intelligence](https://lemstudio.co/yc-companies/solve-intelligence-28825) — **Solve Intelligence** · YC Summer 2023 · B2B, Legal · Active · team 50 · yc_id:28825 — AI patent drafting, prosecution, litigation and more for legal teams.
- [SOMATIC](https://lemstudio.co/yc-companies/somatic-13479) — **SOMATIC** · YC Winter 2020 · Industrials, Manufacturing and Robotics · Active · team 31 · yc_id:13479 — Bathroom cleaning robots for office buildings. 
- [Somos](https://lemstudio.co/yc-companies/somos-23421) — **Somos** · YC Winter 2021 · Real Estate and Construction, Housing and Real Estate · Active · team 250 · yc_id:23421 — Internet for the urban developing world.
- [Sona8](https://lemstudio.co/yc-companies/sona8-36777) — **Sona8** · YC Fall 2026 · B2B, Operations · Active · team 4 · yc_id:36777 — Voice agents that talk to employees enabling transformations 
- [Sonar](https://lemstudio.co/yc-companies/sonar-22256) — **Sonar** · YC Summer 2020 · Consumer, Social · Inactive · team 4 · yc_id:22256 — Minecraft meets Discord
- [Sonatoria](https://lemstudio.co/yc-companies/sonatoria-29792) — **Sonatoria** · YC Summer 2024 · B2B · Active · team 2 · yc_id:29792 — Helping Startups Grow Organically
- [Songkick](https://lemstudio.co/yc-companies/songkick-324) — **Songkick** · YC Summer 2007 · Consumer, Travel, Leisure and Tourism · Acquired · team 11 · yc_id:324
- [Sonia](https://lemstudio.co/yc-companies/sonia-29244) — **Sonia** · YC Winter 2024 · Healthcare, Consumer Health and Wellness · Active · team 7 · yc_id:29244 — Validated mental health support in your pocket, anytime. 
- [Sonnet](https://lemstudio.co/yc-companies/sonnet-27155) — **Sonnet** · YC Summer 2022 · B2B, Sales · Inactive · team 7 · yc_id:27155 — Meeting notes and CRM, automated
- [Soomgo](https://lemstudio.co/yc-companies/soomgo-1459) — **Soomgo** · YC Winter 2017 · Consumer, Home and Personal · Acquired · team 125 · yc_id:1459 — Local services marketplace that connects providers with new customers
- [Soon](https://lemstudio.co/yc-companies/soon-25586) — **Soon** · YC Winter 2022 · Fintech, Consumer Finance · Active · team 4 · yc_id:25586 — Automated sweep account, invest without the stress of speculating
- [Sophys](https://lemstudio.co/yc-companies/sophys-25582) — **Sophys** · YC Winter 2022 · Healthcare · Active · team 1 · yc_id:25582 — AI Agents for Healthcare Intake
- [Soraban](https://lemstudio.co/yc-companies/soraban-23226) — **Soraban** · YC Winter 2021 · B2B, Finance and Accounting · Active · team 50 · yc_id:23226 — AI tax workflow platform for accounting firms 
- [Sorce](https://lemstudio.co/yc-companies/sorce-30862) — **Sorce** · YC Fall 2025 · B2B, Human Resources · Active · team 6 · yc_id:30862 — Tinder for jobs
- [Sorcerer](https://lemstudio.co/yc-companies/sorcerer-29650) — **Sorcerer** · YC Summer 2024 · Industrials, Climate · Active · team 4 · yc_id:29650 — Building a nervous system for the atmosphere
- [Soren](https://lemstudio.co/yc-companies/soren-30867) — **Soren** · YC Fall 2025 · B2B · Active · yc_id:30867 — The AI workforce for business operations.
- [Soria](https://lemstudio.co/yc-companies/soria-31464) — **Soria** · YC Spring 2026 · Fintech, Asset Management · Active · team 3 · yc_id:31464 — AI Financial Research Terminal built for Healthcare (and beyond)
- [Sorted](https://lemstudio.co/yc-companies/sorted-28082) — **Sorted** · YC Winter 2023 · B2B, Operations · Inactive · team 2 · yc_id:28082 — Instant SaaS management
- [Sorting Robotics](https://lemstudio.co/yc-companies/sorting-robotics-11961) — **Sorting Robotics** · YC Winter 2019 · B2B, Supply Chain and Logistics · Active · team 12 · yc_id:11961 — We create automation technology for the cannabis industry.
- [Sota2](https://lemstudio.co/yc-companies/sota2-25339) — **Sota2** · YC Winter 2022 · B2B, Sales · Active · team 4 · yc_id:25339 — Help business find and discover AI solutions
- [SOTERI SKIN](https://lemstudio.co/yc-companies/soteri-skin-25951) — **SOTERI SKIN** · YC Winter 2022 · Consumer, Home and Personal · Active · team 2 · yc_id:25951 — D2C Skincare for Eczema
- [Soteris](https://lemstudio.co/yc-companies/soteris-12609) — **Soteris** · YC Summer 2019 · Fintech, Insurance · Active · team 4 · yc_id:12609 — We write ML software to more accurately select & price insurance risk.
- [Souffle Club](https://lemstudio.co/yc-companies/souffle-club-12544) — **Souffle Club** · YC Summer 2019 · Consumer, Job and Career Services · Inactive · team 3 · yc_id:12544 — Souffle Club:10x better LinkedIn alternative with profiles >> resumes
- [SOUNDBOKS](https://lemstudio.co/yc-companies/soundboks-974) — **SOUNDBOKS** · YC Winter 2016 · Consumer, Consumer Electronics · Active · team 50 · yc_id:974 — We're creating the loudest battery-driven speaker on the market
- [SoundFocus](https://lemstudio.co/yc-companies/soundfocus-562) — **SoundFocus** · YC Summer 2013 · Healthcare, Consumer Health and Wellness · Inactive · team 2 · yc_id:562 — We are giving you 20/20 hearing when listening to the devices you…
- [Soundry AI](https://lemstudio.co/yc-companies/soundry-ai-29382) — **Soundry AI** · YC Winter 2024 · Consumer, Content · Acquired · team 2 · yc_id:29382 — Remix any song into any style
- [SourceBeacon](https://lemstudio.co/yc-companies/sourcebeacon-1542) — **SourceBeacon** · YC Winter 2017 · Consumer, Home and Personal · Inactive · team 5 · yc_id:1542 — SourceBeacon is an on-demand procurement concierge for sourcing…
- [Sourcebot](https://lemstudio.co/yc-companies/sourcebot-30946) — **Sourcebot** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30946 — Helping humans and AI agents understand massive codebases
- [SourceDNA](https://lemstudio.co/yc-companies/sourcedna-879) — **SourceDNA** · YC Summer 2015 · B2B, Engineering, Product and Design · Acquired · team 6 · yc_id:879 — Bringing transparency to the app stores and helping developers build…
- [Sourceress](https://lemstudio.co/yc-companies/sourceress-1671) — **Sourceress** · YC Summer 2017 · B2B, Engineering, Product and Design · Active · team 35 · yc_id:1671
- [Sourcify](https://lemstudio.co/yc-companies/sourcify-1795) — **Sourcify** · YC Winter 2018 · B2B, Retail · Active · team 15 · yc_id:1795 — Sourcify helps brands manufacture products in Asia.
- [Soylent](https://lemstudio.co/yc-companies/soylent-410) — **Soylent** · YC Summer 2012 · Consumer, Food and Beverage · Acquired · team 51 · yc_id:410 — Soylent is a simple, nutritious, and affordable food that possesses…
- [SpaceFlow Technologies, Inc.](https://lemstudio.co/yc-companies/spaceflow-technologies-inc-33311) — **SpaceFlow Technologies, Inc.** · YC Summer 2026 · B2B, Supply Chain and Logistics · Active · team 4 · yc_id:33311 — AI-native procurement services for the physical economy
- [Spaceium Inc](https://lemstudio.co/yc-companies/spaceium-inc-29597) — **Spaceium Inc** · YC Summer 2024 · Industrials, Aviation and Space · Active · yc_id:29597 — In-Space Refueling
- [SpaceRyde](https://lemstudio.co/yc-companies/spaceryde-11949) — **SpaceRyde** · YC Winter 2019 · Industrials, Aviation and Space · Inactive · team 33 · yc_id:11949 — The Rocket Network: Sustainable & On-Demand Delivery Anywhere in Space
- [Spaces Life](https://lemstudio.co/yc-companies/spaces-life-276) — **Spaces Life** · YC Winter 2009 · Real Estate and Construction, Housing and Real Estate · Inactive · yc_id:276
- [Spade](https://lemstudio.co/yc-companies/spade-25948) — **Spade** · YC Winter 2022 · Fintech · Active · team 30 · yc_id:25948 — Spade is the data and AI platform for modern finance.
- [SpadeWorks](https://lemstudio.co/yc-companies/spadeworks-25681) — **SpadeWorks** · YC Winter 2022 · B2B, Operations · Active · team 13 · yc_id:25681 — AI agents that turn every call into revenue for trade businesses
- [Spark](https://lemstudio.co/yc-companies/spark-29438) — **Spark** · YC Winter 2024 · B2B · Active · team 5 · yc_id:29438 — AI-powered workflows for energy infrastructure
- [Spark Studio](https://lemstudio.co/yc-companies/spark-studio-24506) — **Spark Studio** · YC Summer 2021 · Education · Active · team 27 · yc_id:24506 — The most magical personal Voice-Led AI English Learning Buddy for Kids
- [SparkGift](https://lemstudio.co/yc-companies/sparkgift-765) — **SparkGift** · YC Winter 2015 · Fintech, Consumer Finance · Inactive · team 2 · yc_id:765 — SparkGift makes it easy to send stocks and index funds as gifts to…
- [Sparkles](https://lemstudio.co/yc-companies/sparkles-31151) — **Sparkles** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:31151 — Make everyone on your team an engineer
- [SPATE](https://lemstudio.co/yc-companies/spate-2023) — **SPATE** · YC Summer 2018 · B2B, Retail · Active · team 15 · yc_id:2023 — Trends prediction for marketers
- [Speak](https://lemstudio.co/yc-companies/speak-1443) — **Speak** · YC Winter 2017 · Consumer, Social · Active · team 40 · yc_id:1443 — A superhuman, AI-powered language tutor in your pocket
- [SpecCheck](https://lemstudio.co/yc-companies/speccheck-28413) — **SpecCheck** · YC Winter 2023 · B2B · Active · team 5 · yc_id:28413 — Unifying how the optical industry does business.
- [Specific](https://lemstudio.co/yc-companies/specific-30954) — **Specific** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30954 — The cloud platform built for coding agents
- [Specific Labs](https://lemstudio.co/yc-companies/specific-labs-31009) — **Specific Labs** · YC Fall 2025 · B2B · Active · team 6 · yc_id:31009 — Real World Environments and Data for AI
- [Speck](https://lemstudio.co/yc-companies/speck-29330) — **Speck** · YC Winter 2024 · B2B, Productivity · Acquired · team 3 · yc_id:29330 — AI Notetaker that automates all your admin work
- [Spect](https://lemstudio.co/yc-companies/spect-1641) — **Spect** · YC Summer 2017 · Healthcare, Consumer Health and Wellness · Inactive · team 7 · yc_id:1641 — Value-based retinal screening in primary care to prevent blindness. 
- [Spectre Intelligence](https://lemstudio.co/yc-companies/spectre-intelligence-32257) — **Spectre Intelligence** · YC Summer 2026 · Fintech, Asset Management · Active · team 2 · yc_id:32257 — We are a multi-strategy trading firm that trains AI traders. 
- [Speechly](https://lemstudio.co/yc-companies/speechly-25617) — **Speechly** · YC Winter 2022 · B2B · Acquired · team 10 · yc_id:25617 — Natural Language Understanding API for Speech that runs on device
- [Speedscale](https://lemstudio.co/yc-companies/speedscale-21883) — **Speedscale** · YC Summer 2020 · B2B, Infrastructure · Active · team 8 · yc_id:21883 — Accelerate development by simulating production conditions with real…
- [Speedy Labs](https://lemstudio.co/yc-companies/speedy-labs-28412) — **Speedy Labs** · YC Winter 2023 · B2B, Finance and Accounting · Active · team 8 · yc_id:28412 — Maximize profits with AI-powered rebate management.
- [Speko](https://lemstudio.co/yc-companies/speko-32169) — **Speko** · YC Summer 2026 · B2B, Infrastructure · Active · team 4 · yc_id:32169 — OpenRouter for Voice AI: one API, every call on the best speech model
- [Spellbrush](https://lemstudio.co/yc-companies/spellbrush-1729) — **Spellbrush** · YC Winter 2018 · Consumer, Gaming · Active · team 30 · yc_id:1729 — Making Anime Real
- [Spenmo](https://lemstudio.co/yc-companies/spenmo-22148) — **Spenmo** · YC Summer 2020 · Fintech, Banking and Exchange · Active · team 200 · yc_id:22148 — A spend management software that provides businesses visibility,…
- [Spenny](https://lemstudio.co/yc-companies/spenny-13391) — **Spenny** · YC Winter 2020 · Fintech, Consumer Finance · Active · team 2 · yc_id:13391 — Acorns for India. Every time you swipe you make a digital…
- [Spero Foods](https://lemstudio.co/yc-companies/spero-foods-1928) — **Spero Foods** · YC Summer 2018 · Healthcare, Industrial Bio · Inactive · yc_id:1928 — dairy reinvented from plants
- [Sphere](https://lemstudio.co/yc-companies/sphere-25618) — **Sphere** · YC Winter 2022 · B2B · Active · team 7 · yc_id:25618 — AI-powered sales tax, VAT and GST compliance
- [Sphere Secure Workspace](https://lemstudio.co/yc-companies/sphere-secure-workspace-912) — **Sphere Secure Workspace** · YC Summer 2015 · B2B, Security · Acquired · team 2 · yc_id:912
- [Spherecast](https://lemstudio.co/yc-companies/spherecast-29570) — **Spherecast** · YC Summer 2024 · B2B, Supply Chain and Logistics · Active · team 7 · yc_id:29570 — AI Supply Chain Manager for CPG
- [Sphinx](https://lemstudio.co/yc-companies/sphinx-30059) — **Sphinx** · YC Fall 2024 · Fintech · Active · team 14 · yc_id:30059 — AI Compliance Analysts for Banks & Fintechs
- [Spice Data](https://lemstudio.co/yc-companies/spice-data-12797) — **Spice Data** · YC Summer 2019 · B2B · Active · yc_id:12797 — Restaurant Data for the Enterprise
- [Spinach AI](https://lemstudio.co/yc-companies/spinach-ai-25356) — **Spinach AI** · YC Winter 2022 · B2B, Productivity · Active · team 5 · yc_id:25356 — The System of Action for Conversation Data
- [Spine](https://lemstudio.co/yc-companies/spine-37236) — **Spine** · YC Fall 2026 · B2B, Human Resources · Active · yc_id:37236 — We run benefits, payroll & compliance for startups, for free
- [Spine AI](https://lemstudio.co/yc-companies/spine-ai-28839) — **Spine AI** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 7 · yc_id:28839 — Manage a swarm of AI agents to get real work done
- [Spiral Genetics](https://lemstudio.co/yc-companies/spiral-genetics-12415) — **Spiral Genetics** · YC Winter 2019 · Healthcare, Healthcare Services · Inactive · team 7 · yc_id:12415 — Large Scale Genomic Data Mining Software
- [Spire Health](https://lemstudio.co/yc-companies/spire-health-853) — **Spire Health** · YC Winter 2015 · Healthcare, Consumer Health and Wellness · Acquired · team 52 · yc_id:853 — Remote patient monitoring for lung disease patients.
- [Spire Law](https://lemstudio.co/yc-companies/spire-law-11956) — **Spire Law** · YC Winter 2019 · B2B, Legal · Active · team 10 · yc_id:11956 — Tech enabled business and employment litigation law firm.
- [Splash Inc.](https://lemstudio.co/yc-companies/splash-inc-30194) — **Splash Inc.** · YC Winter 2025 · Industrials, Drones · Active · team 9 · yc_id:30194 — Autonomous patrol-boats for National Security 
- [Splashup](https://lemstudio.co/yc-companies/splashup-331) — **Splashup** · YC Summer 2007 · Consumer, Social · Inactive · team 2 · yc_id:331
- [Splendor](https://lemstudio.co/yc-companies/splendor-26015) — **Splendor** · YC Winter 2022 · B2B · Active · team 1 · yc_id:26015 — We make dealing with insurance less annoying.
- [Spline](https://lemstudio.co/yc-companies/spline-23368) — **Spline** · YC Winter 2021 · B2B, Productivity · Active · team 25 · yc_id:23368 — Design and collaborate in multiple dimensions.
- [Spoil](https://lemstudio.co/yc-companies/spoil-831) — **Spoil** · YC Winter 2015 · Consumer, Home and Personal · Inactive · team 2 · yc_id:831 — Spoil is gifting for the Snapchat generation.
- [Spoken](https://lemstudio.co/yc-companies/spoken-24816) — **Spoken** · YC Summer 2021 · Consumer, Home and Personal · Inactive · team 7 · yc_id:24816 — Never overpay online
- [Spokn](https://lemstudio.co/yc-companies/spokn-22666) — **Spokn** · YC Winter 2021 · B2B, Operations · Active · team 20 · yc_id:22666 — AI-powered video platform for Internal Comms and HR teams 
- [Sponge](https://lemstudio.co/yc-companies/sponge-31159) — **Sponge** · YC Winter 2026 · B2B · Active · team 3 · yc_id:31159 — Financial infrastructure for the agent economy
- [SpoonRocket](https://lemstudio.co/yc-companies/spoonrocket-541) — **SpoonRocket** · YC Summer 2013 · Consumer, Food and Beverage · Acquired · team 51 · yc_id:541 — Meals Delivered in 10 Minutes
- [Spot Health](https://lemstudio.co/yc-companies/spot-health-25110) — **Spot Health** · YC Winter 2022 · Healthcare, Diagnostics · Active · team 9 · yc_id:25110 — At-home diagnostics as a service
- [SpotAngels](https://lemstudio.co/yc-companies/spotangels-709) — **SpotAngels** · YC Summer 2014 · Consumer, Transportation Services · Active · team 11 · yc_id:709 — Waze for parking
- [spotLESS Materials](https://lemstudio.co/yc-companies/spotless-materials-12666) — **spotLESS Materials** · YC Summer 2019 · Industrials · Active · team 6 · yc_id:12666 — Repellent coatings without PFAS
- [Spotlight Realty](https://lemstudio.co/yc-companies/spotlight-realty-30791) — **Spotlight Realty** · YC Summer 2025 · Real Estate and Construction · Active · team 4 · yc_id:30791 — AI powered brokerage reducing residential rental commissions in NYC…
- [SpotPay](https://lemstudio.co/yc-companies/spotpay-31273) — **SpotPay** · YC Winter 2026 · Fintech, Consumer Finance · Active · team 2 · yc_id:31273 — Stablecoin Global Bank Account
- [Spott](https://lemstudio.co/yc-companies/spott-30322) — **Spott** · YC Winter 2025 · B2B, Recruiting and Talent · Active · team 50 · yc_id:30322 — AI-native ATS/CRM for recruiting firms
- [Spring in Africa](https://lemstudio.co/yc-companies/spring-in-africa-12249) — **Spring in Africa** · YC Winter 2019 · Fintech, Asset Management · Active · yc_id:12249 — Investing in innovation 
- [SpringWit](https://lemstudio.co/yc-companies/springwit-656) — **SpringWit** · YC Summer 2014 · Healthcare, Consumer Health and Wellness · Inactive · yc_id:656 — Brain health and awareness
- [SprintAI](https://lemstudio.co/yc-companies/sprintai-13349) — **SprintAI** · YC Winter 2020 · B2B, Retail · Inactive · team 10 · yc_id:13349 — AI-led platform for inventory and fulfillment optimization
- [Sprites](https://lemstudio.co/yc-companies/sprites-25732) — **Sprites** · YC Winter 2022 · B2B, Marketing · Active · team 5 · yc_id:25732 — The AI performance marketing agent for entrepreneurs and growth teams
- [Sproutfi](https://lemstudio.co/yc-companies/sproutfi-24237) — **Sproutfi** · YC Summer 2021 · Fintech · Acquired · team 17 · yc_id:24237 — Latin Americas' first investing social network.  Learn. Share. Invest.
- [SpruceID](https://lemstudio.co/yc-companies/spruceid-22713) — **SpruceID** · YC Winter 2021 · Government · Active · team 25 · yc_id:22713 — SpruceID lets users control their data across the web.
- [Spur](https://lemstudio.co/yc-companies/spur-29474) — **Spur** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:29474 — Spur is your AI QA Engineer. Test your websites with natural language.
- [Sqreen](https://lemstudio.co/yc-companies/sqreen-1793) — **Sqreen** · YC Winter 2018 · B2B, Security · Acquired · team 120 · yc_id:1793 — Sqreen is the application security platform for the modern enterprise
- [Squad](https://lemstudio.co/yc-companies/squad-1780) — **Squad** · YC Winter 2018 · Consumer, Social · Acquired · team 10 · yc_id:1780 — Squad is an app for live communities to have shared experiences…
- [Squid](https://lemstudio.co/yc-companies/squid-31245) — **Squid** · YC Winter 2026 · Industrials, Energy · Active · team 3 · yc_id:31245 — AI agents for power grid planning  🦑 
- [Squire Technologies](https://lemstudio.co/yc-companies/squire-technologies-1269) — **Squire Technologies** · YC Summer 2016 · Consumer, Home and Personal · Active · team 150 · yc_id:1269 — Platform to grow your barbershop and maximize profitability.
- [Squire.ai](https://lemstudio.co/yc-companies/squire-ai-24787) — **Squire.ai** · YC Summer 2021 · B2B, Engineering, Product and Design · Inactive · team 8 · yc_id:24787 — Never code alone.
- [SRTX](https://lemstudio.co/yc-companies/srtx-1753) — **SRTX** · YC Winter 2018 · Industrials, Manufacturing and Robotics · Active · team 150 · yc_id:1753 — Powering a better future for textiles.
- [Stable](https://lemstudio.co/yc-companies/stable-13512) — **Stable** · YC Winter 2020 · B2B, Office Management · Active · team 30 · yc_id:13512 — A virtual address + mailbox for business
- [StableBrowse](https://lemstudio.co/yc-companies/stablebrowse-31419) — **StableBrowse** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:31419 — Building the Data Infrastructure layer for Physical AI. 
- [Stably AI (Orca)](https://lemstudio.co/yc-companies/stably-ai-orca-25342) — **Stably AI (Orca)** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 25 · yc_id:25342 — We make Orca, MIT open source terminal-based agent orchestrator
- [StackAI](https://lemstudio.co/yc-companies/stackai-27667) — **StackAI** · YC Winter 2023 · B2B · Acquired · team 62 · yc_id:27667 — The Enterprise AI Transformation Platform
- [Stacker](https://lemstudio.co/yc-companies/stacker-21959) — **Stacker** · YC Summer 2020 · B2B, Productivity · Active · team 4 · yc_id:21959 — Turns spreadsheets into internal apps and customer portals
- [StackLead](https://lemstudio.co/yc-companies/stacklead-610) — **StackLead** · YC Winter 2014 · B2B, Sales · Acquired · team 2 · yc_id:610 — Lead intelligence as a service. We want to be your personal lead…
- [StackMachine](https://lemstudio.co/yc-companies/stackmachine-525) — **StackMachine** · YC Summer 2013 · B2B, Infrastructure · Inactive · team 2 · yc_id:525 — Instant sandboxed server environments
- [Stackq](https://lemstudio.co/yc-companies/stackq-262) — **Stackq** · YC Summer 2009 · B2B, Engineering, Product and Design · Inactive · yc_id:262
- [Stackshine](https://lemstudio.co/yc-companies/stackshine-25616) — **Stackshine** · YC Winter 2022 · B2B, Operations · Acquired · team 7 · yc_id:25616 — Automating all IT operations
- [Stacksi](https://lemstudio.co/yc-companies/stacksi-22669) — **Stacksi** · YC Winter 2021 · B2B, Security · Acquired · team 4 · yc_id:22669 — Automated Answers to Security Questionnaires
- [Stacksync](https://lemstudio.co/yc-companies/stacksync-29434) — **Stacksync** · YC Winter 2024 · B2B, Engineering, Product and Design · Active · team 34 · yc_id:29434 — Real-time and two-way sync between CRMs and Databases
- [Stackup](https://lemstudio.co/yc-companies/stackup-26705) — **Stackup** · YC Summer 2022 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:26705 — Stackup helps businesses manage their crypto assets.
- [StafBook](https://lemstudio.co/yc-companies/stafbook-25144) — **StafBook** · YC Winter 2022 · B2B, Human Resources · Active · team 11 · yc_id:25144 — Rippling for Southeast Asia
- [Stage](https://lemstudio.co/yc-companies/stage-31332) — **Stage** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31332 — Code review platform for humans and agents
- [stagewise](https://lemstudio.co/yc-companies/stagewise-30772) — **stagewise** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30772 — The Open Source Agentic IDE
- [Stairs Financial](https://lemstudio.co/yc-companies/stairs-financial-25649) — **Stairs Financial** · YC Winter 2022 · Fintech, Consumer Finance · Active · yc_id:25649 — Find a home you can actually afford
- [Stamp](https://lemstudio.co/yc-companies/stamp-30196) — **Stamp** · YC Winter 2025 · B2B, Productivity · Active · team 1 · yc_id:30196 — The AI Secretary for Email and Calendar.
- [Standard AI](https://lemstudio.co/yc-companies/standard-ai-1603) — **Standard AI** · YC Summer 2017 · B2B, Retail · Active · team 150 · yc_id:1603 — AI-powered checkout for retail.
- [Standard Cyborg](https://lemstudio.co/yc-companies/standard-cyborg-832) — **Standard Cyborg** · YC Winter 2015 · Healthcare, Medical Devices · Inactive · team 9 · yc_id:832 — Buid, test and deploy perception applications
- [Standard Machines](https://lemstudio.co/yc-companies/standard-machines-32517) — **Standard Machines** · YC Summer 2026 · B2B · Active · yc_id:32517 — Teaching AI to Design Chips
- [Standard Signal](https://lemstudio.co/yc-companies/standard-signal-31330) — **Standard Signal** · YC Spring 2026 · Fintech, Asset Management · Active · team 1 · yc_id:31330 — Hedge fund where AI researches and executes every trade end-to-end
- [Standard Treasury](https://lemstudio.co/yc-companies/standard-treasury-523) — **Standard Treasury** · YC Summer 2013 · Fintech, Banking and Exchange · Acquired · yc_id:523 — Banking APIs; acquired by Silicon Valley Bank in August 2015
- [Standout](https://lemstudio.co/yc-companies/standout-31402) — **Standout** · YC Spring 2026 · B2B, Recruiting and Talent · Active · team 5 · yc_id:31402 — Agentic hiring marketplace
- [Star](https://lemstudio.co/yc-companies/star-26667) — **Star** · YC Summer 2022 · Consumer, Gaming · Active · team 1 · yc_id:26667 — Make games with AI - no coding required
- [Starcity](https://lemstudio.co/yc-companies/starcity-1431) — **Starcity** · YC Summer 2016 · Real Estate and Construction, Housing and Real Estate · Acquired · yc_id:1431 — Starcity was one of the largest co-living brands. Exit to Common in…
- [Starcloud](https://lemstudio.co/yc-companies/starcloud-29808) — **Starcloud** · YC Summer 2024 · Industrials, Aviation and Space · Active · team 12 · yc_id:29808 — Data centers in space
- [Stardex](https://lemstudio.co/yc-companies/stardex-24407) — **Stardex** · YC Summer 2021 · B2B · Active · team 7 · yc_id:24407 — AI native ATS + CRM for executive search firms
- [Stardrift](https://lemstudio.co/yc-companies/stardrift-29654) — **Stardrift** · YC Summer 2024 · Consumer, Travel, Leisure and Tourism · Active · team 3 · yc_id:29654 — AI travel planner
- [StarJar](https://lemstudio.co/yc-companies/starjar-29318) — **StarJar** · YC Winter 2024 · B2B · Acquired · team 11 · yc_id:29318 — Starjar automates inbound document processing workflows for hospitals
- [STARK BANK](https://lemstudio.co/yc-companies/stark-bank-13500) — **STARK BANK** · YC Winter 2020 · Fintech, Banking and Exchange · Active · team 70 · yc_id:13500 — Challenger bank for enterprises
- [Starling](https://lemstudio.co/yc-companies/starling-25327) — **Starling** · YC Winter 2022 · Healthcare, Diagnostics · Active · team 5 · yc_id:25327 — AI enabling digital urine diagnostics in the home
- [Starsky Robotics](https://lemstudio.co/yc-companies/starsky-robotics-1273) — **Starsky Robotics** · YC Summer 2016 · Industrials, Automotive · Inactive · team 11 · yc_id:1273 — Driverless Trucks, for real.
- [StarSling](https://lemstudio.co/yc-companies/starsling-30545) — **StarSling** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30545 — Self-Driving CI: fast AI-native GitHub Actions runners
- [Start Closing](https://lemstudio.co/yc-companies/start-closing-1027) — **Start Closing** · YC Winter 2016 · Real Estate and Construction, Construction · Inactive · team 2 · yc_id:1027 — Start Closing is changing the way homeowners and contractors interact…
- [StartPlaying.Games](https://lemstudio.co/yc-companies/startplaying-games-13172) — **StartPlaying.Games** · YC Winter 2020 · Consumer, Gaming · Active · team 6 · yc_id:13172 — Building Communities Through Play
- [Station](https://lemstudio.co/yc-companies/station-1822) — **Station** · YC Winter 2018 · B2B, Productivity · Inactive · team 9 · yc_id:1822 — Your team’s automated knowledge base
- [Statiq.](https://lemstudio.co/yc-companies/statiq-21979) — **Statiq.** · YC Summer 2020 · Industrials, Energy · Active · team 200 · yc_id:21979 — India's Largest EV charging network
- [Status](https://lemstudio.co/yc-companies/status-25954) — **Status** · YC Winter 2022 · Consumer, Social · Active · team 9 · yc_id:25954 — Sims but Social Media
- [StatusPage](https://lemstudio.co/yc-companies/statuspage-560) — **StatusPage** · YC Summer 2013 · B2B, Engineering, Product and Design · Acquired · yc_id:560 — The best way to communicate with users around downtime.
- [Statwing](https://lemstudio.co/yc-companies/statwing-394) — **Statwing** · YC Summer 2012 · B2B, Analytics · Acquired · team 2 · yc_id:394 — Dead simple statistical analysis software. Like R or SPSS but easy to…
- [Stayflexi](https://lemstudio.co/yc-companies/stayflexi-23236) — **Stayflexi** · YC Winter 2021 · B2B · Active · team 58 · yc_id:23236 — Operating System for Hotels and Vacation Rentals
- [StayQrious](https://lemstudio.co/yc-companies/stayqrious-13343) — **StayQrious** · YC Winter 2020 · Education · Active · team 29 · yc_id:13343 — StayQrious helps kids in India learn through online group classes,…
- [Stealth Worker](https://lemstudio.co/yc-companies/stealth-worker-978) — **Stealth Worker** · YC Winter 2016 · B2B, Recruiting and Talent · Active · team 5 · yc_id:978 — Information Security (Cyber Security), Compliance and Privacy (GDPR &…
- [Steinmetz](https://lemstudio.co/yc-companies/steinmetz-30190) — **Steinmetz** · YC Winter 2025 · Industrials · Active · team 5 · yc_id:30190 — Next-Generation Power Electronics
- [Stellar](https://lemstudio.co/yc-companies/stellar-26780) — **Stellar** · YC Summer 2022 · B2B · Inactive · team 3 · yc_id:26780 — AI-powered business goals
- [Stellar Sleep](https://lemstudio.co/yc-companies/stellar-sleep-28793) — **Stellar Sleep** · YC Summer 2023 · Healthcare · Active · team 5 · yc_id:28793 — We help people with chronic insomnia sleep better, using psychology.
- [Stellon Labs](https://lemstudio.co/yc-companies/stellon-labs-30676) — **Stellon Labs** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30676 — Building tiny frontier AI models that run on edge devices
- [Stempad](https://lemstudio.co/yc-companies/stempad-29756) — **Stempad** · YC Summer 2024 · B2B, Productivity · Active · team 1 · yc_id:29756 — Notion for science
- [Stepful](https://lemstudio.co/yc-companies/stepful-24861) — **Stepful** · YC Summer 2021 · Education · Active · team 100 · yc_id:24861 — Online Training for Healthcare Jobs
- [Stewdio](https://lemstudio.co/yc-companies/stewdio-30068) — **Stewdio** · YC Fall 2024 · Consumer · Active · team 2 · yc_id:30068 — All-in-one AI creative platform
- [Stillwind](https://lemstudio.co/yc-companies/stillwind-30264) — **Stillwind** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30264 — PCB component librarian
- [Stilt](https://lemstudio.co/yc-companies/stilt-979) — **Stilt** · YC Winter 2016 · Fintech, Credit and Lending · Acquired · team 35 · yc_id:979 — Financial products for immigrants (acquired by JG Wentworth)
- [Stilta](https://lemstudio.co/yc-companies/stilta-31167) — **Stilta** · YC Winter 2026 · B2B · Active · team 4 · yc_id:31167 — Agentic AI for intellectual property
- [Stipop](https://lemstudio.co/yc-companies/stipop-23957) — **Stipop** · YC Summer 2021 · Consumer, Content · Active · team 8 · yc_id:23957 — Monetization platform for character creators
- [Stitch Health](https://lemstudio.co/yc-companies/stitch-health-897) — **Stitch Health** · YC Summer 2015 · Healthcare, Healthcare IT · Inactive · team 2 · yc_id:897 — Care Coordination Platform for Healthcare
- [Stitch Technologies](https://lemstudio.co/yc-companies/stitch-technologies-29206) — **Stitch Technologies** · YC Winter 2024 · B2B, Engineering, Product and Design · Inactive · yc_id:29206 — -
- [Stoa](https://lemstudio.co/yc-companies/stoa-32225) — **Stoa** · YC Summer 2026 · Fintech · Active · team 3 · yc_id:32225 — The market behind AI hardware.
- [Stock Unlock](https://lemstudio.co/yc-companies/stock-unlock-25560) — **Stock Unlock** · YC Winter 2022 · Fintech · Active · team 8 · yc_id:25560 — Web-app | investment education and analysis tools for retail investors
- [Stockline](https://lemstudio.co/yc-companies/stockline-30661) — **Stockline** · YC Summer 2025 · B2B · Active · team 2 · yc_id:30661 — AI-native ERP for food wholesalers
- [stoic.](https://lemstudio.co/yc-companies/stoic-12833) — **stoic.** · YC Summer 2019 · Healthcare, Consumer Health and Wellness · Active · team 9 · yc_id:12833 — Stoic helps people feel better and take care of their mental health.
- [Stoke Space](https://lemstudio.co/yc-companies/stoke-space-23048) — **Stoke Space** · YC Winter 2021 · Industrials, Aviation and Space · Active · team 305 · yc_id:23048 — Seamless mobility to, through, and from space. It starts with 100%…
- [Storia AI](https://lemstudio.co/yc-companies/storia-ai-29673) — **Storia AI** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29673 — Open source AI copilot that knows your company's code and its context
- [Stormy](https://lemstudio.co/yc-companies/stormy-29697) — **Stormy** · YC Summer 2025 · B2B, Operations · Active · team 5 · yc_id:29697 —  Stormy runs the office so your crew can run the work.
- [Storyboard](https://lemstudio.co/yc-companies/storyboard-1649) — **Storyboard** · YC Summer 2017 · Consumer, Social · Inactive · team 2 · yc_id:1649 — Social media management tool for Instagram and Snapchat
- [Storyboarder](https://lemstudio.co/yc-companies/storyboarder-27907) — **Storyboarder** · YC Winter 2023 · Consumer, Content · Active · team 2 · yc_id:27907 — Tool and platform to create and sell webcomics
- [Storylane](https://lemstudio.co/yc-companies/storylane-24720) — **Storylane** · YC Summer 2021 · B2B · Active · team 55 · yc_id:24720 — Build Interactive Product Demo in 10 mins for SaaS companies
- [Storyline](https://lemstudio.co/yc-companies/storyline-1813) — **Storyline** · YC Winter 2018 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:1813 — Create Alexa Skills without coding
- [Storyworth](https://lemstudio.co/yc-companies/storyworth-172) — **Storyworth** · YC Winter 2011 · Consumer, Home and Personal · Active · team 13 · yc_id:172 — Record your family stories and print them in beautiful keepsake books.
- [Stownest](https://lemstudio.co/yc-companies/stownest-24635) — **Stownest** · YC Summer 2021 · Consumer · Active · team 80 · yc_id:24635 — Flexible On-Demand Storage Space for Household, SMEs & Travellers.
- [Strac](https://lemstudio.co/yc-companies/strac-25275) — **Strac** · YC Winter 2022 · B2B, Security · Active · team 8 · yc_id:25275 — Data Discovery, DLP, DSPM for SaaS, Cloud, Gen AI & Endpoints
- [Strada](https://lemstudio.co/yc-companies/strada-29082) — **Strada** · YC Summer 2023 · B2B · Active · team 21 · yc_id:29082 — AI agents that run insurance operations
- [Stralis Aircraft](https://lemstudio.co/yc-companies/stralis-aircraft-28075) — **Stralis Aircraft** · YC Winter 2023 · Industrials, Aviation and Space · Active · team 4 · yc_id:28075 — Emission free hydrogen electric aircraft
- [Strand AI](https://lemstudio.co/yc-companies/strand-ai-31108) — **Strand AI** · YC Winter 2026 · Healthcare, Drug Discovery and Delivery · Active · team 2 · yc_id:31108 — Multimodal foundation models to predict uncollected patient biology
- [stratify](https://lemstudio.co/yc-companies/stratify-30441) — **stratify** · YC Spring 2025 · B2B · Active · team 2 · yc_id:30441 — AI agents that help you understand your customers' needs
- [StratumAI](https://lemstudio.co/yc-companies/stratumai-13084) — **StratumAI** · YC Winter 2020 · Industrials, Climate · Active · team 5 · yc_id:13084 — AI that tells mining companies where to mine to maximize profits
- [Streak](https://lemstudio.co/yc-companies/streak-82) — **Streak** · YC Summer 2011 · B2B, Sales · Active · team 35 · yc_id:82 — Streak transforms Gmail into a powerful CRM
- [Stream](https://lemstudio.co/yc-companies/stream-26661) — **Stream** · YC Summer 2022 · Fintech, Insurance · Active · team 15 · yc_id:26661 — The AI Claims Workbench automating insurance claims 
- [Streamable](https://lemstudio.co/yc-companies/streamable-30023) — **Streamable** · YC Fall 2024 · Consumer · Active · team 4 · yc_id:30023 — Powering the biggest IRL streamers today.
- [Streamdal](https://lemstudio.co/yc-companies/streamdal-21985) — **Streamdal** · YC Summer 2020 · B2B, Infrastructure · Inactive · team 9 · yc_id:21985 — Data Quality & Playback Platform
- [Streamline Systems](https://lemstudio.co/yc-companies/streamline-systems-35487) — **Streamline Systems** · YC Fall 2026 · Industrials, Defense · Active · team 2 · yc_id:35487 — Precision navigation for UAVs operating without GPS. 
- [Streamup](https://lemstudio.co/yc-companies/streamup-1085) — **Streamup** · YC Winter 2016 · Consumer, Social · Inactive · team 2 · yc_id:1085 — Streamup is a live streaming community for music. We make it fun and…
- [Streem](https://lemstudio.co/yc-companies/streem-401) — **Streem** · YC Summer 2012 · Consumer, Content · Acquired · team 4 · yc_id:401 — Acquired by Box in June 2014. We built: (1) a native win/mac…
- [StrideQ](https://lemstudio.co/yc-companies/strideq-24719) — **StrideQ** · YC Summer 2021 · B2B, Retail · Active · team 2 · yc_id:24719 — Automated phone ordering system for restaurants
- [Striga](https://lemstudio.co/yc-companies/striga-23063) — **Striga** · YC Winter 2021 · Fintech, Payments · Acquired · team 14 · yc_id:23063 — Compliant Crypto and Banking Infrastructure
- [Strikingly](https://lemstudio.co/yc-companies/strikingly-491) — **Strikingly** · YC Winter 2013 · B2B, Marketing · Active · team 99 · yc_id:491 — The easiest way to create a beautiful, mobile optimized website.
- [Stripe](https://lemstudio.co/yc-companies/stripe-240) — **Stripe** · YC Summer 2009 · Fintech · Active · team 7000 · yc_id:240 — Economic infrastructure for the internet.
- [Strive Math](https://lemstudio.co/yc-companies/strive-math-24131) — **Strive Math** · YC Summer 2021 · Education · Active · team 13 · yc_id:24131 — Online Coding School for Kids 8-16
- [Strive School](https://lemstudio.co/yc-companies/strive-school-21827) — **Strive School** · YC Summer 2020 · Education · Acquired · team 5 · yc_id:21827 — Training the next generation of software engineers in Europe 🇪🇺
- [Strong Compute](https://lemstudio.co/yc-companies/strong-compute-25714) — **Strong Compute** · YC Winter 2022 · B2B · Active · team 8 · yc_id:25714 — 10x-1000x faster compute for Neural Network training
- [StrongIntro](https://lemstudio.co/yc-companies/strongintro-1083) — **StrongIntro** · YC Winter 2016 · B2B, Recruiting and Talent · Inactive · team 2 · yc_id:1083 — StrongIntro helps recruiters turn their entire company into a source…
- [Struct](https://lemstudio.co/yc-companies/struct-30108) — **Struct** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30108 — Struct keeps prod running
- [Struct](https://lemstudio.co/yc-companies/struct-27684) — **Struct** · YC Winter 2023 · B2B · Inactive · team 3 · yc_id:27684 — Multi-lingual AI Voice Agents
- [Structured AI](https://lemstudio.co/yc-companies/structured-ai-30845) — **Structured AI** · YC Fall 2025 · Real Estate and Construction, Construction · Active · team 11 · yc_id:30845 — The AI drawing review platform for architects and engineers.
- [Structured Labs](https://lemstudio.co/yc-companies/structured-labs-29118) — **Structured Labs** · YC Summer 2023 · B2B, Engineering, Product and Design · Inactive · team 5 · yc_id:29118 — The publishing layer for the agentic internet
- [Studdy](https://lemstudio.co/yc-companies/studdy-28969) — **Studdy** · YC Summer 2023 · Education · Active · team 4 · yc_id:28969 — An AI math tutor for every student
- [Studio](https://lemstudio.co/yc-companies/studio-32162) — **Studio** · YC Summer 2026 · B2B, Analytics · Active · team 2 · yc_id:32162 — Accurately simulate market response at scale
- [Study Edge](https://lemstudio.co/yc-companies/study-edge-462) — **Study Edge** · YC Summer 2012 · Education · Acquired · team 50 · yc_id:462 — Acquired by Carlyle. Edtech and other technology
- [StudyStream](https://lemstudio.co/yc-companies/studystream-24148) — **StudyStream** · YC Summer 2021 · Education · Active · team 8 · yc_id:24148 — 24/7 video platform & online community for students to study together
- [Style Lend](https://lemstudio.co/yc-companies/style-lend-625) — **Style Lend** · YC Winter 2014 · Consumer, Apparel and Cosmetics · Inactive · team 2 · yc_id:625 — Marketplace for Luxury Fashion Rentals. 
- [StyleBee](https://lemstudio.co/yc-companies/stylebee-958) — **StyleBee** · YC Summer 2015 · Consumer, Home and Personal · Inactive · team 11 · yc_id:958 — marketplace for beauty services delivered at the convenience of…
- [StyleUp](https://lemstudio.co/yc-companies/styleup-470) — **StyleUp** · YC Winter 2013 · Consumer, Apparel and Cosmetics · Active · team 10 · yc_id:470 — StyleUp brings effortless joy to getting dressed with daily,…
- [Stypi](https://lemstudio.co/yc-companies/stypi-74) — **Stypi** · YC Summer 2011 · B2B, Productivity · Acquired · team 2 · yc_id:74 — Realtime collaborative coding
- [SubImage](https://lemstudio.co/yc-companies/subimage-30189) — **SubImage** · YC Winter 2025 · B2B, Security · Active · team 4 · yc_id:30189 — The Open-Core Security Graph
- [Sublime Black](https://lemstudio.co/yc-companies/sublime-black-12265) — **Sublime Black** · YC Winter 2019 · B2B, Security · Inactive · yc_id:12265 — Automating Cyber Security Incident Response Through Artificial…
- [Sublingual](https://lemstudio.co/yc-companies/sublingual-30216) — **Sublingual** · YC Winter 2025 · B2B · Inactive · team 2 · yc_id:30216 — Daily productivity tracker
- [Submittable](https://lemstudio.co/yc-companies/submittable-440) — **Submittable** · YC Summer 2012 · B2B · Active · team 302 · yc_id:440 — The best way to launch, manage and measure social impact programs
- [SubscriptionFlow](https://lemstudio.co/yc-companies/subscriptionflow-25715) — **SubscriptionFlow** · YC Winter 2022 · B2B, Sales · Active · team 9 · yc_id:25715 — AI based Customizable Subscription & Revenue Management Platform
- [Subsets](https://lemstudio.co/yc-companies/subsets-28837) — **Subsets** · YC Summer 2023 · B2B · Active · team 7 · yc_id:28837 — AI-driven Retention Automation for subscription media businesses.
- [Substack](https://lemstudio.co/yc-companies/substack-1828) — **Substack** · YC Winter 2018 · B2B, Marketing · Active · team 90 · yc_id:1828 — A place for independent writing.
- [Substrate](https://lemstudio.co/yc-companies/substrate-29709) — **Substrate** · YC Summer 2024 · B2B · Active · team 2 · yc_id:29709 — Artificial Intelligence for your medical billing team
- [Subtrace](https://lemstudio.co/yc-companies/subtrace-30204) — **Subtrace** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30204 — Zero code network tracer
- [SubVysion](https://lemstudio.co/yc-companies/subvysion-33313) — **SubVysion** · YC Summer 2026 · Real Estate and Construction, Construction · Active · team 2 · yc_id:33313 — Autonomous rovers to make the ‘Google Maps’ of underground utilities
- [Sudden Coffee](https://lemstudio.co/yc-companies/sudden-coffee-1476) — **Sudden Coffee** · YC Winter 2017 · Consumer, Food and Beverage · Inactive · team 2 · yc_id:1476 — Crystallized coffee that's better than fresh Starbucks
- [sudocode](https://lemstudio.co/yc-companies/sudocode-29018) — **sudocode** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29018 — orchestrate your coding agents with sudocode
- [Suger](https://lemstudio.co/yc-companies/suger-27854) — **Suger** · YC Winter 2023 · B2B, Sales · Active · team 50 · yc_id:27854 — Salesforce for Cloud marketplaces on AWS, Azure, GCP
- [Suggestr](https://lemstudio.co/yc-companies/suggestr-25641) — **Suggestr** · YC Winter 2022 · B2B · Inactive · team 2 · yc_id:25641 — Amazon-level personalization for Shopify merchants
- [Suiteness](https://lemstudio.co/yc-companies/suiteness-1343) — **Suiteness** · YC Summer 2016 · Consumer, Travel, Leisure and Tourism · Active · team 7 · yc_id:1343 — Book guaranteed connecting rooms and suites at hotels
- [Sully](https://lemstudio.co/yc-companies/sully-24914) — **Sully** · YC Summer 2021 · B2B, Productivity · Active · team 44 · yc_id:24914 — Autonomous team of AI agents that runs the entire hospital operations
- [SunFarmer](https://lemstudio.co/yc-companies/sunfarmer-896) — **SunFarmer** · YC Summer 2015 · Industrials, Climate · Active · team 15 · yc_id:896 — Reliable and affordable solar energy in developing countries.
- [Sunflower](https://lemstudio.co/yc-companies/sunflower-30914) — **Sunflower** · YC Summer 2026 · Healthcare, Healthcare Services · Active · team 15 · yc_id:30914 — We are building an AI-native telemedicine clinic for addiction. 🌻
- [Sunfolding](https://lemstudio.co/yc-companies/sunfolding-1585) — **Sunfolding** · YC Summer 2017 · Industrials, Energy · Inactive · team 44 · yc_id:1585 — Sunfolding builds next generation infrastructure for solar farms.  By…
- [Sunlight](https://lemstudio.co/yc-companies/sunlight-26755) — **Sunlight** · YC Summer 2022 · Fintech · Active · team 6 · yc_id:26755 — The intelligence and execution layer for agentic B2B card payments.
- [Sunpia](https://lemstudio.co/yc-companies/sunpia-27146) — **Sunpia** · YC Summer 2022 · B2B, Infrastructure · Active · team 3 · yc_id:27146 — Deploy serverless without rewriting code
- [Sunsama](https://lemstudio.co/yc-companies/sunsama-11959) — **Sunsama** · YC Winter 2019 · B2B, Productivity · Active · team 7 · yc_id:11959 — Daily planner for busy professionals
- [Sunset](https://lemstudio.co/yc-companies/sunset-30106) — **Sunset** · YC Fall 2024 · Fintech, Consumer Finance · Active · team 5 · yc_id:30106 — Find and move money after a death
- [Sunu](https://lemstudio.co/yc-companies/sunu-1669) — **Sunu** · YC Summer 2017 · Consumer, Virtual and Augmented Reality · Inactive · team 11 · yc_id:1669 — Audio and Haptics AR interface equipping blind users with super powers
- [Supabase](https://lemstudio.co/yc-companies/supabase-22091) — **Supabase** · YC Summer 2020 · B2B, Infrastructure · Active · team 120 · yc_id:22091 — Build in a weekend. Scale to millions.
- [Supadock](https://lemstudio.co/yc-companies/supadock-22785) — **Supadock** · YC Winter 2021 · B2B, Supply Chain and Logistics · Active · team 1 · yc_id:22785 — Multi-agent AI for physical logistics operations
- [Super](https://lemstudio.co/yc-companies/super-1872) — **Super** · YC Winter 2018 · Consumer · Active · team 1037 · yc_id:1872 — Super is the first and leading Indonesian social commerce platform 
- [Superagent](https://lemstudio.co/yc-companies/superagent-29374) — **Superagent** · YC Winter 2024 · B2B, Security · Active · team 2 · yc_id:29374 — Security for AI-native developers
- [SuperAPI](https://lemstudio.co/yc-companies/superapi-28107) — **SuperAPI** · YC Winter 2023 · B2B, Infrastructure · Active · team 2 · yc_id:28107 — Programmable API gateway that makes APIs cacheable
- [Superb AI](https://lemstudio.co/yc-companies/superb-ai-12091) — **Superb AI** · YC Winter 2019 · B2B, Engineering, Product and Design · Active · team 80 · yc_id:12091 — Superb AI provides end-to-end computer vision MLOps platform
- [Superbar](https://lemstudio.co/yc-companies/superbar-27154) — **Superbar** · YC Summer 2022 · B2B, Marketing · Active · team 7 · yc_id:27154 — Sales AI for your Website
- [supercontrast](https://lemstudio.co/yc-companies/supercontrast-30040) — **supercontrast** · YC Fall 2024 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:30040 — AI Co-Pilot for Design
- [superglue](https://lemstudio.co/yc-companies/superglue-30212) — **superglue** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:30212 — connect, migrate and implement enterprise systems
- [SuperKalam](https://lemstudio.co/yc-companies/superkalam-27978) — **SuperKalam** · YC Winter 2023 · Education · Active · team 20 · yc_id:27978 — AI-Powered Super Mentor for Test Prep
- [Superlog](https://lemstudio.co/yc-companies/superlog-31380) — **Superlog** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31380 — Make software self-healing
- [Supermedium](https://lemstudio.co/yc-companies/supermedium-1800) — **Supermedium** · YC Winter 2018 · Consumer, Virtual and Augmented Reality · Active · team 2 · yc_id:1800 — VR space of immersive utilities
- [Supernova](https://lemstudio.co/yc-companies/supernova-12037) — **Supernova** · YC Winter 2019 · B2B, Engineering, Product and Design · Active · team 20 · yc_id:12037 — Design system platform joins developers and designers together
- [Superorder](https://lemstudio.co/yc-companies/superorder-12040) — **Superorder** · YC Summer 2019 · B2B · Active · team 30 · yc_id:12040 — AI customer reputation & performance management for restaurant chains.
- [Superpowered AI](https://lemstudio.co/yc-companies/superpowered-ai-26706) — **Superpowered AI** · YC Summer 2022 · B2B · Inactive · team 4 · yc_id:26706 — API for Retrieval Augmented Generation
- [SuperRadiant](https://lemstudio.co/yc-companies/superradiant-35652) — **SuperRadiant** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:35652 — Embodied Scientific Intelligence
- [Superset](https://lemstudio.co/yc-companies/superset-31222) — **Superset** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:31222 — Building self-improving software
- [Superside](https://lemstudio.co/yc-companies/superside-1034) — **Superside** · YC Winter 2016 · B2B, Productivity · Active · team 850 · yc_id:1034 — AI-First Creative Partner for Enterprise Teams
- [SuperTokens](https://lemstudio.co/yc-companies/supertokens-21770) — **SuperTokens** · YC Summer 2020 · B2B, Security · Active · team 10 · yc_id:21770 — Open source alternative to Auth0 / AWS Cognito / Firebase Auth
- [Supertone](https://lemstudio.co/yc-companies/supertone-25355) — **Supertone** · YC Winter 2022 · Consumer, Content · Inactive · team 3 · yc_id:25355 — Share sounds with other musicians online
- [Superunit](https://lemstudio.co/yc-companies/superunit-29574) — **Superunit** · YC Summer 2024 · B2B, Operations · Active · team 5 · yc_id:29574 — Faster, more profitable background checks with AI
- [Superwall](https://lemstudio.co/yc-companies/superwall-23948) — **Superwall** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 25 · yc_id:23948 — Subscription infrastructure & paywall experimentation for mobile apps
- [Suplias](https://lemstudio.co/yc-companies/suplias-24686) — **Suplias** · YC Summer 2021 · Fintech · Active · team 9 · yc_id:24686 — We enable FMCG distributors in Africa buy inventory on credit
- [Supr Daily](https://lemstudio.co/yc-companies/supr-daily-1511) — **Supr Daily** · YC Winter 2017 · Consumer, Food and Beverage · Acquired · yc_id:1511 — Daily grocery delivery service in India
- [SureBright](https://lemstudio.co/yc-companies/surebright-29850) — **SureBright** · YC Summer 2024 · B2B, Retail · Active · team 35 · yc_id:29850 — Apple Care-like warranty program for every retailer 
- [Sureform](https://lemstudio.co/yc-companies/sureform-30561) — **Sureform** · YC Spring 2025 · B2B · Active · team 2 · yc_id:30561 — Real-world data and RL environments for frontier AI
- [Surematics](https://lemstudio.co/yc-companies/surematics-1648) — **Surematics** · YC Summer 2017 · Fintech, Insurance · Acquired · team 2 · yc_id:1648 — We help commercial insurance brokers structure complicated…
- [SuretyNow](https://lemstudio.co/yc-companies/suretynow-29293) — **SuretyNow** · YC Winter 2024 · Fintech, Insurance · Active · team 4 · yc_id:29293 — The Modern Surety Bond Platform
- [Surface Labs](https://lemstudio.co/yc-companies/surface-labs-28921) — **Surface Labs** · YC Summer 2023 · B2B, Marketing · Active · team 6 · yc_id:28921 — Building the AI-powered marketing ops platform that turns website…
- [Surge](https://lemstudio.co/yc-companies/surge-30107) — **Surge** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30107 — Stripe for telephony
- [Surtr Defense Systems](https://lemstudio.co/yc-companies/surtr-defense-systems-31325) — **Surtr Defense Systems** · YC Spring 2026 · Industrials, Defense · Active · team 2 · yc_id:31325 — The hardware-agnostic operating system for drone defense
- [Svbtle](https://lemstudio.co/yc-companies/svbtle-467) — **Svbtle** · YC Summer 2012 · Consumer, Content · Active · team 2 · yc_id:467 — A publishing platform.
- [Svix](https://lemstudio.co/yc-companies/svix-23355) — **Svix** · YC Winter 2021 · B2B, Infrastructure · Active · team 12 · yc_id:23355 — Enterprise ready webhooks service, open-source and in the cloud
- [Swadesh](https://lemstudio.co/yc-companies/swadesh-12008) — **Swadesh** · YC Summer 2019 · Fintech, Consumer Finance · Active · team 10 · yc_id:12008 — We setup Immigrants with a free US Bank Account, Credit Card, SIM…
- [Swadesi Way](https://lemstudio.co/yc-companies/swadesi-way-23324) — **Swadesi Way** · YC Winter 2021 · Consumer, Food and Beverage · Active · team 9 · yc_id:23324 — Healthy organic food that creates a positive impact
- [Swapbox](https://lemstudio.co/yc-companies/swapbox-496) — **Swapbox** · YC Winter 2013 · Consumer, Home and Personal · Inactive · team 2 · yc_id:496 — Stop missing deliveries. Ship to Swapbox and pick up at our kiosks.
- [Sway Finance](https://lemstudio.co/yc-companies/sway-finance-1220) — **Sway Finance** · YC Summer 2016 · B2B, Finance and Accounting · Inactive · team 2 · yc_id:1220 — Sway is bringing AI to the accounting industry
- [Swayable](https://lemstudio.co/yc-companies/swayable-1878) — **Swayable** · YC Winter 2018 · B2B, Marketing · Active · team 30 · yc_id:1878 — Swayable predicts consumer opinion and the impact of content
- [Sweep](https://lemstudio.co/yc-companies/sweep-29013) — **Sweep** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:29013 — The best AI coding assistant for JetBrains
- [Sweetspot](https://lemstudio.co/yc-companies/sweetspot-28796) — **Sweetspot** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:28796 — AI for Government Contracting.
- [Swerve](https://lemstudio.co/yc-companies/swerve-30246) — **Swerve** · YC Winter 2025 · Consumer · Active · team 2 · yc_id:30246 — AI Chat & Stories
- [Swif.ai](https://lemstudio.co/yc-companies/swif-ai-21885) — **Swif.ai** · YC Summer 2020 · B2B, Security · Active · team 20 · yc_id:21885 — Manage every device. Govern every AI agent.
- [SwiftSku](https://lemstudio.co/yc-companies/swiftsku-23598) — **SwiftSku** · YC Winter 2021 · B2B, Retail · Active · team 35 · yc_id:23598 — Management and analytics software for convenience stores
- [Swiftype](https://lemstudio.co/yc-companies/swiftype-44) — **Swiftype** · YC Winter 2012 · B2B, Engineering, Product and Design · Acquired · team 50 · yc_id:44 — Smart search for the modern team.
- [Swipe](https://lemstudio.co/yc-companies/swipe-24093) — **Swipe** · YC Summer 2021 · B2B, Finance and Accounting · Active · team 60 · yc_id:24093 — Super AI Accountant for SMBs
- [Swipe Technologies](https://lemstudio.co/yc-companies/swipe-technologies-13482) — **Swipe Technologies** · YC Winter 2020 · Fintech · Active · team 20 · yc_id:13482 — Building modern payments, accounting and cashflow management tools…
- [Swipehouse](https://lemstudio.co/yc-companies/swipehouse-1852) — **Swipehouse** · YC Winter 2018 · Consumer, Social · Acquired · team 5 · yc_id:1852 — Meet other creators. Get daily matches. Find brand deals.
- [Swish](https://lemstudio.co/yc-companies/swish-476) — **Swish** · YC Winter 2013 · B2B, Supply Chain and Logistics · Inactive · team 2 · yc_id:476 — Kickstarter for physical products.  Shop exclusive product launches.
- [Switchboard](https://lemstudio.co/yc-companies/switchboard-12010) — **Switchboard** · YC Winter 2019 · B2B, Supply Chain and Logistics · Active · team 24 · yc_id:12010 — Technology for Trucking
- [Sycamore](https://lemstudio.co/yc-companies/sycamore-1493) — **Sycamore** · YC Winter 2017 · B2B, Recruiting and Talent · Inactive · team 2 · yc_id:1493 — Marketplace for companies to add a delivery driver in 5 minutes.
- [Sygaldry Technologies](https://lemstudio.co/yc-companies/sygaldry-technologies-30508) — **Sygaldry Technologies** · YC Spring 2025 · Industrials · Active · yc_id:30508 — quantum-accelerated AI servers
- [Sylvian](https://lemstudio.co/yc-companies/sylvian-30851) — **Sylvian** · YC Fall 2025 · B2B · Inactive · team 2 · yc_id:30851 — Specialized AI Agents.
- [Symphony](https://lemstudio.co/yc-companies/symphony-30022) — **Symphony** · YC Fall 2024 · B2B · Active · team 5 · yc_id:30022 — Voice AI sims for next-gen employee training
- [Symple](https://lemstudio.co/yc-companies/symple-1244) — **Symple** · YC Summer 2016 · B2B, Finance and Accounting · Acquired · team 11 · yc_id:1244 — Last mile logistics for delivery & service teams. We bring real-time…
- [Symplex](https://lemstudio.co/yc-companies/symplex-12549) — **Symplex** · YC Summer 2019 · B2B · Acquired · team 8 · yc_id:12549 — Applied Reinforcement Learning Research Laboratory
- [Synapse Semiconductor](https://lemstudio.co/yc-companies/synapse-semiconductor-32168) — **Synapse Semiconductor** · YC Summer 2026 · Industrials · Active · team 2 · yc_id:32168 — New semiconductors that merge compute and vision
- [Synapsica Healthcare](https://lemstudio.co/yc-companies/synapsica-healthcare-13406) — **Synapsica Healthcare** · YC Winter 2020 · Healthcare, Diagnostics · Inactive · team 30 · yc_id:13406 — AI-enabled automation of diagnostic radiology workflow and reporting.
- [Synapticure](https://lemstudio.co/yc-companies/synapticure-21860) — **Synapticure** · YC Summer 2020 · Healthcare, Healthcare Services · Active · team 115 · yc_id:21860 — We deliver personalized medicine for neurodegenerative  patients
- [sync.](https://lemstudio.co/yc-companies/sync-29346) — **sync.** · YC Winter 2024 · B2B · Active · team 13 · yc_id:29346 — AI lipsync tool for video content creators
- [Synch](https://lemstudio.co/yc-companies/synch-28835) — **Synch** · YC Summer 2023 · B2B, Sales · Inactive · team 4 · yc_id:28835 — Supercharging Sales
- [Syncly](https://lemstudio.co/yc-companies/syncly-27685) — **Syncly** · YC Winter 2023 · B2B, Marketing · Active · team 15 · yc_id:27685 — Social listening for the video era
- [Syncro](https://lemstudio.co/yc-companies/syncro-13536) — **Syncro** · YC Winter 2020 · B2B, Recruiting and Talent · Inactive · team 1 · yc_id:13536 — Intelligence layer for internal communications and culture
- [Synder](https://lemstudio.co/yc-companies/synder-24859) — **Synder** · YC Summer 2021 · B2B, Finance and Accounting · Active · yc_id:24859 — Easy accounting for e-commerce
- [Synkrino Biotherapeutics](https://lemstudio.co/yc-companies/synkrino-biotherapeutics-2015) — **Synkrino Biotherapeutics** · YC Summer 2018 · Healthcare, Drug Discovery and Delivery · Active · team 2 · yc_id:2015 — Synkrino's AI, SATIS is a powerful, unbiased discovery system for…
- [Synnax](https://lemstudio.co/yc-companies/synnax-29591) — **Synnax** · YC Summer 2024 · B2B, Infrastructure · Active · team 5 · yc_id:29591 — Unified Hardware Control and Data Processing Software
- [Synphony](https://lemstudio.co/yc-companies/synphony-31415) — **Synphony** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 10 · yc_id:31415 — robots & software for farms
- [SynsoryBio](https://lemstudio.co/yc-companies/synsorybio-29305) — **SynsoryBio** · YC Winter 2024 · Healthcare, Therapeutics · Active · team 2 · yc_id:29305 — "If-then" conditional logic for protein drugs
- [Synth](https://lemstudio.co/yc-companies/synth-30125) — **Synth** · YC Fall 2024 · B2B, Infrastructure · Active · team 2 · yc_id:30125 — Prompt and Context Optimization for Coding Agents
- [Synthetic Sciences](https://lemstudio.co/yc-companies/synthetic-sciences-31181) — **Synthetic Sciences** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31181 — Infrastructure for Autonomous Science
- [Synthetic Society](https://lemstudio.co/yc-companies/synthetic-society-30520) — **Synthetic Society** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30520 — Synthetic Videos to Simulate Real Users
- [SyntheticFi](https://lemstudio.co/yc-companies/syntheticfi-29026) — **SyntheticFi** · YC Summer 2023 · Fintech · Active · team 25 · yc_id:29026 — The cheapest way to borrow money
- [Synthio Labs](https://lemstudio.co/yc-companies/synthio-labs-30421) — **Synthio Labs** · YC Spring 2025 · Healthcare · Active · team 29 · yc_id:30421 — Agentic AI platform for Pharma GTM teams
- [Syntra](https://lemstudio.co/yc-companies/syntra-29987) — **Syntra** · YC Summer 2024 · Healthcare, Healthcare IT · Active · team 10 · yc_id:29987 — Faster healthcare payments 
- [Synvivia](https://lemstudio.co/yc-companies/synvivia-1251) — **Synvivia** · YC Summer 2016 · Healthcare, Industrial Bio · Active · team 4 · yc_id:1251 — Synvivia applies chemical control over cell behavior
- [Syrona Health](https://lemstudio.co/yc-companies/syrona-health-25303) — **Syrona Health** · YC Winter 2022 · Healthcare, Healthcare Services · Active · team 6 · yc_id:25303 — Employee benefit for reproductive and hormone health
- [Sytex](https://lemstudio.co/yc-companies/sytex-26869) — **Sytex** · YC Summer 2022 · B2B, Productivity · Active · team 22 · yc_id:26869 — Project management platform for Field Infrastructure.
- [T3 Chat](https://lemstudio.co/yc-companies/t3-chat-25614) — **T3 Chat** · YC Winter 2022 · Consumer, Content · Active · team 2 · yc_id:25614 — The best AI chat you've ever used
- [Taali Inc](https://lemstudio.co/yc-companies/taali-inc-12352) — **Taali Inc** · YC Winter 2019 · Consumer, Food and Beverage · Active · yc_id:12352 — Taali is creating popcorn 2.0 from popped water lily seeds
- [Tab](https://lemstudio.co/yc-companies/tab-833) — **Tab** · YC Winter 2015 · Consumer, Travel, Leisure and Tourism · Active · team 9 · yc_id:833 — Revolutionising the way travellers discover, plan and book a trip
- [TableFlow](https://lemstudio.co/yc-companies/tableflow-27897) — **TableFlow** · YC Winter 2023 · B2B, Operations · Active · team 2 · yc_id:27897 — AI Teammates for Data Tasks
- [Tablevibe](https://lemstudio.co/yc-companies/tablevibe-24154) — **Tablevibe** · YC Summer 2021 · B2B, Retail · Acquired · team 10 · yc_id:24154 — Direct Ordering Software for Restaurants
- [Tabula](https://lemstudio.co/yc-companies/tabula-29640) — **Tabula** · YC Summer 2024 · B2B, Finance and Accounting · Active · team 13 · yc_id:29640 — Autonomous Accounting Software
- [TAG](https://lemstudio.co/yc-companies/tag-23959) — **TAG** · YC Summer 2021 · Fintech, Banking and Exchange · Inactive · team 100 · yc_id:23959 — TAG is the First Digital Bank (Chime/Revolut/N26) for Pakistan
- [TagMango](https://lemstudio.co/yc-companies/tagmango-13350) — **TagMango** · YC Winter 2020 · Consumer, Social · Active · team 30 · yc_id:13350 — Monetisation tool for the Indian creator economy
- [Tagsafe](https://lemstudio.co/yc-companies/tagsafe-28080) — **Tagsafe** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · yc_id:28080
- [TAI](https://lemstudio.co/yc-companies/tai-26065) — **TAI** · YC Winter 2022 · Fintech · Acquired · team 3 · yc_id:26065 — Control All of Your Investments from a Single App
- [Taiga](https://lemstudio.co/yc-companies/taiga-31418) — **Taiga** · YC Spring 2026 · Healthcare, Healthcare Services · Active · team 2 · yc_id:31418 — Autonomous medical billing
- [Tailor](https://lemstudio.co/yc-companies/tailor-26710) — **Tailor** · YC Summer 2022 · B2B · Active · team 40 · yc_id:26710 — Headless ERP for retail operations
- [Tailor-ED](https://lemstudio.co/yc-companies/tailor-ed-12277) — **Tailor-ED** · YC Winter 2019 · Education · Inactive · team 10 · yc_id:12277 — AI-powered corporate learning for accelerated employee growth & skill…
- [Taiv](https://lemstudio.co/yc-companies/taiv-13109) — **Taiv** · YC Winter 2020 · B2B, Marketing · Active · team 40 · yc_id:13109 — AI-powered tech that makes business TV smarter, engaging, and…
- [Tajir](https://lemstudio.co/yc-companies/tajir-13494) — **Tajir** · YC Winter 2020 · B2B, Retail · Active · team 50 · yc_id:13494 — The one-stop shop for mom-and-pop stores in Pakistan to buy inventory.
- [Take App](https://lemstudio.co/yc-companies/take-app-25778) — **Take App** · YC Winter 2022 · B2B · Active · team 7 · yc_id:25778 — Shopify for WhatsApp commerce
- [TakeCareOS](https://lemstudio.co/yc-companies/takecareos-30963) — **TakeCareOS** · YC Spring 2026 · B2B · Active · team 1 · yc_id:30963 — AI-native operating system for long term care providers
- [Taktile](https://lemstudio.co/yc-companies/taktile-22124) — **Taktile** · YC Summer 2020 · B2B · Active · team 150 · yc_id:22124 — Transform your decision-making with reliable AI agents in weeks, not…
- [Talc](https://lemstudio.co/yc-companies/talc-28826) — **Talc** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:28826 — Event extraction for Medical Researchers
- [Talentdrop](https://lemstudio.co/yc-companies/talentdrop-24839) — **Talentdrop** · YC Summer 2021 · B2B, Recruiting and Talent · Inactive · team 3 · yc_id:24839 — Your personal hiring page.
- [Talentropy.ai](https://lemstudio.co/yc-companies/talentropy-ai-25827) — **Talentropy.ai** · YC Winter 2022 · B2B, Human Resources · Active · team 35 · yc_id:25827 — AI solution that streamlines candidate screening and recruitment
- [Talkable](https://lemstudio.co/yc-companies/talkable-138) — **Talkable** · YC Winter 2011 · B2B, Retail · Active · team 76 · yc_id:138 — Online store referrals.
- [TalkBin](https://lemstudio.co/yc-companies/talkbin-173) — **TalkBin** · YC Winter 2011 · B2B, Retail · Acquired · yc_id:173 — Consumer to business messaging. 
- [Talking Computers](https://lemstudio.co/yc-companies/talking-computers-31262) — **Talking Computers** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31262 — Real-time interaction models for voice agents
- [Talkito](https://lemstudio.co/yc-companies/talkito-360) — **Talkito** · YC Summer 2006 · Consumer, Social · Inactive · yc_id:360
- [Talkray (TiKL)](https://lemstudio.co/yc-companies/talkray-tikl-36) — **Talkray (TiKL)** · YC Winter 2012 · Consumer, Social · Inactive · team 2 · yc_id:36 — Instantly talk or text to one or a group of friends at once with the…
- [Tall Poppy](https://lemstudio.co/yc-companies/tall-poppy-1942) — **Tall Poppy** · YC Summer 2018 · B2B, Human Resources · Active · team 10 · yc_id:1942 — Protecting your employees against online harassment
- [Tally](https://lemstudio.co/yc-companies/tally-30349) — **Tally** · YC Winter 2025 · Fintech · Active · team 2 · yc_id:30349
- [Taloflow](https://lemstudio.co/yc-companies/taloflow-22662) — **Taloflow** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:22662 — Better, faster tech vendor research
- [Talos](https://lemstudio.co/yc-companies/talos-35128) — **Talos** · YC Fall 2026 · Industrials, Energy · Active · team 3 · yc_id:35128 — Predictive maintenance for power infrastructure.
- [Talus Bio](https://lemstudio.co/yc-companies/talus-bio-23945) — **Talus Bio** · YC Summer 2021 · Healthcare, Drug Discovery and Delivery · Active · team 16 · yc_id:23945 — Discovering drugs that target the DNA regulome
- [Talyn Air](https://lemstudio.co/yc-companies/talyn-air-13198) — **Talyn Air** · YC Winter 2020 · Industrials, Aviation and Space · Acquired · team 18 · yc_id:13198 — Long range, battery electric vertical take-off and landing aircraft.
- [Tamarind Bio](https://lemstudio.co/yc-companies/tamarind-bio-29340) — **Tamarind Bio** · YC Winter 2024 · B2B · Active · team 20 · yc_id:29340 — AI Inference Platform for Drug Discovery
- [TamLabs](https://lemstudio.co/yc-companies/tamlabs-30340) — **TamLabs** · YC Winter 2025 · B2B, Productivity · Active · team 2 · yc_id:30340 — Agent teams for complex work
- [Tandem](https://lemstudio.co/yc-companies/tandem-29691) — **Tandem** · YC Summer 2024 · B2B, Office Management · Active · team 22 · yc_id:29691 — AI-native office leasing broker
- [Tandem](https://lemstudio.co/yc-companies/tandem-12630) — **Tandem** · YC Summer 2019 · B2B, Productivity · Inactive · team 10 · yc_id:12630 — Tandem is a virtual office for remote and distributed teams.
- [TANGObuilder](https://lemstudio.co/yc-companies/tangobuilder-21896) — **TANGObuilder** · YC Summer 2020 · Real Estate and Construction, Construction · Inactive · team 9 · yc_id:21896 — TANGObuilder automates structural engineers jobs. 
- [Tank Payments](https://lemstudio.co/yc-companies/tank-payments-26803) — **Tank Payments** · YC Summer 2022 · Fintech, Payments · Active · team 10 · yc_id:26803 — Modern financial infrastructure for the trucking industry.
- [Taobotics](https://lemstudio.co/yc-companies/taobotics-11919) — **Taobotics** · YC Winter 2019 · Industrials, Manufacturing and Robotics · Active · team 11 · yc_id:11919 — Autonomous robots for retails. 
- [TaoFi](https://lemstudio.co/yc-companies/taofi-23075) — **TaoFi** · YC Winter 2021 · Fintech · Acquired · team 11 · yc_id:23075 — The financial layer for decentralized AI
- [Tap to Learn](https://lemstudio.co/yc-companies/tap-to-learn-21) — **Tap to Learn** · YC Winter 2012 · Consumer, Gaming · Inactive · team 11 · yc_id:21 — Games For Education
- [TapEngage](https://lemstudio.co/yc-companies/tapengage-122) — **TapEngage** · YC Summer 2011 · B2B, Marketing · Acquired · team 2 · yc_id:122 — Touch-friendly marketing, acquired by Dropbox
- [Tappity](https://lemstudio.co/yc-companies/tappity-21958) — **Tappity** · YC Summer 2020 · Consumer, Content · Active · team 4 · yc_id:21958 — World's largest library of interactive lessons for kids
- [Tapzilla](https://lemstudio.co/yc-companies/tapzilla-207) — **Tapzilla** · YC Summer 2010 · B2B, Marketing · Acquired · team 2 · yc_id:207 — Woot for iOS apps.
- [Tara AI](https://lemstudio.co/yc-companies/tara-ai-848) — **Tara AI** · YC Winter 2015 · B2B, Productivity · Active · team 13 · yc_id:848 — Meet Tara AI, your new engineering efficiency co-pilot.
- [TareBio](https://lemstudio.co/yc-companies/tarebio-32587) — **TareBio** · YC Summer 2026 · Healthcare, Drug Discovery and Delivery · Active · team 1 · yc_id:32587 — Vaccines for any cancer or infection in weeks.
- [Tarifflo Inc.](https://lemstudio.co/yc-companies/tarifflo-inc-32319) — **Tarifflo Inc.** · YC Summer 2026 · B2B, Supply Chain and Logistics · Active · team 5 · yc_id:32319 — Supply chain compliance and cost savings
- [Tarjimly (acquired)](https://lemstudio.co/yc-companies/tarjimly-acquired-1861) — **Tarjimly (acquired)** · YC Winter 2018 · Healthcare · Active · team 20 · yc_id:1861 — Translating for Humanity
- [Taro](https://lemstudio.co/yc-companies/taro-27184) — **Taro** · YC Summer 2022 · B2B, Recruiting and Talent · Acquired · team 6 · yc_id:27184 — Help high-growth tech companies hire strong engineers
- [Tarsal](https://lemstudio.co/yc-companies/tarsal-24195) — **Tarsal** · YC Summer 2021 · B2B, Security · Acquired · team 10 · yc_id:24195 — Data pipeline for your security data lake.
- [tash](https://lemstudio.co/yc-companies/tash-31923) — **tash** · YC Summer 2026 · Consumer · Active · team 4 · yc_id:31923 — The BlackRock of collectibles
- [Taskade](https://lemstudio.co/yc-companies/taskade-12863) — **Taskade** · YC Summer 2019 · B2B, Productivity · Active · team 6 · yc_id:12863 — One prompt. One app. One living workspace for teams.
- [Tasker AI](https://lemstudio.co/yc-companies/tasker-ai-13579) — **Tasker AI** · YC Winter 2020 · B2B · Active · team 7 · yc_id:13579 — Your AI co-worker
- [Tasklet](https://lemstudio.co/yc-companies/tasklet-31470) — **Tasklet** · YC Spring 2026 · B2B, Productivity · Active · team 8 · yc_id:31470 — Agents that own the work
- [Taste](https://lemstudio.co/yc-companies/taste-23084) — **Taste** · YC Winter 2021 · Consumer, Food and Beverage · Inactive · team 2 · yc_id:23084 — Online marketplace for dinners shipped from great restaurants
- [Tastemaker](https://lemstudio.co/yc-companies/tastemaker-448) — **Tastemaker** · YC Summer 2012 · Consumer, Home and Personal · Inactive · team 11 · yc_id:448 — Interior design marketplace and online retailer
- [Tavus](https://lemstudio.co/yc-companies/tavus-24161) — **Tavus** · YC Summer 2021 · B2B · Active · team 75 · yc_id:24161 — Building the human layer of AI
- [TAXA Biotechnologies](https://lemstudio.co/yc-companies/taxa-biotechnologies-674) — **TAXA Biotechnologies** · YC Summer 2014 · Healthcare, Consumer Health and Wellness · Inactive · team 2 · yc_id:674 — We enable cheaper, faster, and better genetic engineering of plants.…
- [TaxGPT](https://lemstudio.co/yc-companies/taxgpt-29710) — **TaxGPT** · YC Summer 2024 · B2B, Finance and Accounting · Active · team 45 · yc_id:29710 — AI tax assistant for professionals and businesses
- [TaxProper](https://lemstudio.co/yc-companies/taxproper-12627) — **TaxProper** · YC Summer 2019 · Real Estate and Construction · Acquired · team 8 · yc_id:12627 — TaxProper helps large Real Estate owners manage their property taxes.
- [tday.com](https://lemstudio.co/yc-companies/tday-com-31455) — **tday.com** · YC Spring 2026 · B2B, Marketing · Active · team 2 · yc_id:31455 — AI that turns your product into on-brand marketing content
- [teaBOT](https://lemstudio.co/yc-companies/teabot-864) — **teaBOT** · YC Summer 2015 · B2B, Human Resources · Active · team 2 · yc_id:864 — A robot that makes tea!
- [Team Apart](https://lemstudio.co/yc-companies/team-apart-294) — **Team Apart** · YC Summer 2008 · B2B, Productivity · Inactive · team 2 · yc_id:294
- [TeamNote](https://lemstudio.co/yc-companies/teamnote-790) — **TeamNote** · YC Winter 2015 · B2B, Productivity · Active · team 11 · yc_id:790 — Mobile Productivity(Slack for mobile workforces)
- [TeamOut](https://lemstudio.co/yc-companies/teamout-25381) — **TeamOut** · YC Winter 2022 · B2B · Active · team 10 · yc_id:25381 — Online marketplace for team retreat venues
- [Tech in Asia](https://lemstudio.co/yc-companies/tech-in-asia-746) — **Tech in Asia** · YC Winter 2015 · Consumer, Content · Acquired · team 70 · yc_id:746 — Tech in Asia (YC W15) is the largest English-language technology…
- [TechBiz](https://lemstudio.co/yc-companies/techbiz-23008) — **TechBiz** · YC Winter 2021 · B2B · Acquired · team 3 · yc_id:23008 — MIS on mobile for SMB's in India
- [Techmate](https://lemstudio.co/yc-companies/techmate-1230) — **Techmate** · YC Summer 2016 · Consumer, Home and Personal · Acquired · team 11 · yc_id:1230 — A technology concierge for your home. We provide on-demand support…
- [Teclada](https://lemstudio.co/yc-companies/teclada-27902) — **Teclada** · YC Winter 2023 · B2B, Infrastructure · Active · yc_id:27902 — Remote Shell Access in the Browser
- [TectoAI](https://lemstudio.co/yc-companies/tectoai-30782) — **TectoAI** · YC Summer 2025 · B2B · Inactive · team 2 · yc_id:30782 — A Platform for AI Governance
- [Teespring](https://lemstudio.co/yc-companies/teespring-512) — **Teespring** · YC Winter 2013 · Consumer, Apparel and Cosmetics · Acquired · team 201 · yc_id:512 — IMPORTANT: The original YC founders are no longer involved with this…
- [Teevox](https://lemstudio.co/yc-companies/teevox-179) — **Teevox** · YC Summer 2010 · Consumer, Gaming · Inactive · team 11 · yc_id:179 — Teevox
- [Tegore](https://lemstudio.co/yc-companies/tegore-30463) — **Tegore** · YC Spring 2025 · Education · Active · team 1 · yc_id:30463 — Your new AI-powered math tutor.
- [Tekton Dynamics](https://lemstudio.co/yc-companies/tekton-dynamics-29241) — **Tekton Dynamics** · YC Winter 2024 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:29241 — AI control layer for welding robots
- [Teleborder](https://lemstudio.co/yc-companies/teleborder-519) — **Teleborder** · YC Summer 2013 · B2B, Human Resources · Inactive · team 11 · yc_id:519 — Dashboard for companies to manage immigration for their employees.
- [Teleo](https://lemstudio.co/yc-companies/teleo-13085) — **Teleo** · YC Winter 2020 · Industrials, Manufacturing and Robotics · Acquired · team 30 · yc_id:13085 — Supervised Autonomous Heavy Equipment
- [Teleport](https://lemstudio.co/yc-companies/teleport-862) — **Teleport** · YC Summer 2015 · B2B, Infrastructure · Active · team 255 · yc_id:862 — The Infrastructure Identity Company
- [Telivy](https://lemstudio.co/yc-companies/telivy-24604) — **Telivy** · YC Summer 2021 · B2B, Security · Acquired · team 6 · yc_id:24604 — Automate your cyber security risk assessments
- [Tell if AI](https://lemstudio.co/yc-companies/tell-if-ai-30873) — **Tell if AI** · YC Fall 2025 · B2B, Marketing · Active · team 2 · yc_id:30873 — AI agents on real phones, growing brands across every platform.
- [Tella](https://lemstudio.co/yc-companies/tella-22037) — **Tella** · YC Summer 2020 · B2B, Productivity · Active · team 7 · yc_id:22037 — The all-in-one screen recorder.
- [TellFi](https://lemstudio.co/yc-companies/tellfi-136) — **TellFi** · YC Winter 2011 · B2B, Productivity · Inactive · team 2 · yc_id:136 — Google Voice for business.
- [telli](https://lemstudio.co/yc-companies/telli-30021) — **telli** · YC Fall 2024 · B2B · Active · team 25 · yc_id:30021 — intelligent interactions
- [Telmai](https://lemstudio.co/yc-companies/telmai-24573) — **Telmai** · YC Summer 2021 · B2B · Active · team 12 · yc_id:24573 — Automated data observability and quality for Data Lake
- [Templarbit](https://lemstudio.co/yc-companies/templarbit-1691) — **Templarbit** · YC Summer 2017 · B2B, Security · Acquired · team 11 · yc_id:1691 — Protecting applications from malicious activity
- [Tempo](https://lemstudio.co/yc-companies/tempo-789) — **Tempo** · YC Winter 2015 · Healthcare, Consumer Health and Wellness · Active · team 158 · yc_id:789 — Live home fitness training powered by computer vision.
- [Tempo](https://lemstudio.co/yc-companies/tempo-29150) — **Tempo** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:29150 — Visual Editor for React, powered by AI
- [Ten Lives](https://lemstudio.co/yc-companies/ten-lives-26810) — **Ten Lives** · YC Summer 2022 · Consumer, Food and Beverage · Active · team 6 · yc_id:26810 — Manufacturing more proteins with AI.
- [Tenant Turner](https://lemstudio.co/yc-companies/tenant-turner-969) — **Tenant Turner** · YC Summer 2015 · Real Estate and Construction, Housing and Real Estate · Acquired · team 15 · yc_id:969 — We help residential property managers eliminate vacancy.
- [TENDERD](https://lemstudio.co/yc-companies/tenderd-1990) — **TENDERD** · YC Summer 2018 · B2B · Active · team 60 · yc_id:1990 — AI Platform for Efficient and Sustainable Operations
- [Tendo](https://lemstudio.co/yc-companies/tendo-25721) — **Tendo** · YC Winter 2022 · Consumer, Social · Active · team 15 · yc_id:25721 — Enabling Africans to sell online with zero capital
- [Tenet Industries](https://lemstudio.co/yc-companies/tenet-industries-31374) — **Tenet Industries** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 3 · yc_id:31374 — AI-automated PCB assembly factories
- [Tenjin](https://lemstudio.co/yc-companies/tenjin-711) — **Tenjin** · YC Summer 2014 · B2B, Marketing · Acquired · team 30 · yc_id:711 — Mobile marketing analytics and infrastructure
- [Tennr](https://lemstudio.co/yc-companies/tennr-27811) — **Tennr** · YC Winter 2023 · B2B · Active · team 205 · yc_id:27811 — Fast, Transparent Patient Experiences
- [Tenor](https://lemstudio.co/yc-companies/tenor-32627) — **Tenor** · YC Summer 2026 · B2B · Active · team 3 · yc_id:32627 — Infrastructure for building and scaling AI-native businesses.
- [Tensil](https://lemstudio.co/yc-companies/tensil-12737) — **Tensil** · YC Summer 2019 · Industrials, Manufacturing and Robotics · Inactive · team 2 · yc_id:12737 — We turn machine learning models into custom hardware.
- [Tensol](https://lemstudio.co/yc-companies/tensol-31078) — **Tensol** · YC Winter 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31078 — AI Employees for Startups, Built on OpenClaw
- [TensorPool](https://lemstudio.co/yc-companies/tensorpool-30333) — **TensorPool** · YC Winter 2025 · B2B, Infrastructure · Acquired · team 3 · yc_id:30333 — Vercel For GPUs
- [TensorTest](https://lemstudio.co/yc-companies/tensortest-31276) — **TensorTest** · YC Winter 2026 · B2B · Active · team 3 · yc_id:31276 — Evals, RL environments and training data for creative tasks
- [Tensr](https://lemstudio.co/yc-companies/tensr-30904) — **Tensr** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 7 · yc_id:30904 — Robotic factories that build robots
- [Tenyks](https://lemstudio.co/yc-companies/tenyks-24567) — **Tenyks** · YC Summer 2021 · B2B · Active · team 11 · yc_id:24567 — The World's Most Versatile Video Answering Engine 
- [Tepali](https://lemstudio.co/yc-companies/tepali-31127) — **Tepali** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31127 — AI EMR for medspas & wellness clinics
- [tEQuitable](https://lemstudio.co/yc-companies/tequitable-1787) — **tEQuitable** · YC Winter 2018 · B2B, Human Resources · Active · team 6 · yc_id:1787 — tEQuitable's mission is to create work culture that works for everyone
- [Terapify](https://lemstudio.co/yc-companies/terapify-22782) — **Terapify** · YC Winter 2021 · Healthcare, Consumer Health and Wellness · Active · team 15 · yc_id:22782 — Online therapy platform for the Spanish-speaking market
- [Terark](https://lemstudio.co/yc-companies/terark-1536) — **Terark** · YC Winter 2017 · B2B, Infrastructure · Acquired · team 2 · yc_id:1536 — Fastest Storage Engine with the Best Compression, we enables direct…
- [Tergle](https://lemstudio.co/yc-companies/tergle-30236) — **Tergle** · YC Winter 2025 · B2B · Active · yc_id:30236 — AI Agents for Audit
- [Termii](https://lemstudio.co/yc-companies/termii-13499) — **Termii** · YC Winter 2020 · B2B, Infrastructure · Active · team 63 · yc_id:13499 — Termii is an AI-native reliability infrastructure company.
- [Terminal](https://lemstudio.co/yc-companies/terminal-28860) — **Terminal** · YC Summer 2023 · B2B, Supply Chain and Logistics · Active · team 17 · yc_id:28860 — Plaid for Telematics Data in Commercial Trucking
- [Terminal Use](https://lemstudio.co/yc-companies/terminal-use-31172) — **Terminal Use** · YC Winter 2026 · B2B, Operations · Active · team 4 · yc_id:31172 — AI-native transformation for operations-heavy companies
- [Termius](https://lemstudio.co/yc-companies/termius-12039) — **Termius** · YC Winter 2019 · B2B, Security · Active · team 35 · yc_id:12039 — Termius is an SSH client with team collaboration features
- [Terra API](https://lemstudio.co/yc-companies/terra-api-23612) — **Terra API** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 25 · yc_id:23612 — API for developers and AIs to access health data 
- [Terracotta AI](https://lemstudio.co/yc-companies/terracotta-ai-29073) — **Terracotta AI** · YC Summer 2023 · B2B, Infrastructure · Active · team 3 · yc_id:29073 — AI-powered Infrastructure as Code PR reviews
- [Terrakotta](https://lemstudio.co/yc-companies/terrakotta-29435) — **Terrakotta** · YC Winter 2024 · B2B, Sales · Active · team 5 · yc_id:29435 — AI platform for phone-first sellers
- [Terranox AI](https://lemstudio.co/yc-companies/terranox-ai-31158) — **Terranox AI** · YC Winter 2026 · Industrials, Energy · Active · team 2 · yc_id:31158 — The first AI-powered uranium discovery company
- [Terrasoft](https://lemstudio.co/yc-companies/terrasoft-13143) — **Terrasoft** · YC Winter 2020 · B2B, Productivity · Active · yc_id:13143
- [Terravion](https://lemstudio.co/yc-companies/terravion-627) — **Terravion** · YC Winter 2014 · Industrials, Agriculture · Inactive · team 11 · yc_id:627 — Real time Google Earth for agriculture -- imagery collected weekly…
- [Terse](https://lemstudio.co/yc-companies/terse-37238) — **Terse** · YC Fall 2026 · B2B, Infrastructure · Active · team 2 · yc_id:37238 — Durable state for AI agents
- [Terusama](https://lemstudio.co/yc-companies/terusama-13160) — **Terusama** · YC Winter 2020 · B2B, Supply Chain and Logistics · Acquired · team 2 · yc_id:13160 — We help warehouses schedule trucks
- [Tesora](https://lemstudio.co/yc-companies/tesora-30663) — **Tesora** · YC Summer 2025 · Fintech, Insurance · Active · team 5 · yc_id:30663 — Frontier AI for Actuaries
- [Tesorio](https://lemstudio.co/yc-companies/tesorio-900) — **Tesorio** · YC Summer 2015 · B2B, Finance and Accounting · Active · team 53 · yc_id:900 — Tesorio is the cash flow performance platform that helps finance…
- [Tesseract](https://lemstudio.co/yc-companies/tesseract-1664) — **Tesseract** · YC Summer 2017 · Industrials, Aviation and Space · Active · team 6 · yc_id:1664 — Tesseract builds better thrusters for modern satellites
- [Tesseral](https://lemstudio.co/yc-companies/tesseral-29186) — **Tesseral** · YC Winter 2024 · B2B · Inactive · team 5 · yc_id:29186 — The open source platform for managing identity in business software
- [TesterArmy](https://lemstudio.co/yc-companies/testerarmy-31491) — **TesterArmy** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:31491 — Test your app with AI, catch bugs before users do
- [Testmunk](https://lemstudio.co/yc-companies/testmunk-404) — **Testmunk** · YC Summer 2012 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:404 — Automating mobile app testing.
- [testRigor](https://lemstudio.co/yc-companies/testrigor-24268) — **testRigor** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 25 · yc_id:24268 — Executable specifications in English for test automation
- [Tetra](https://lemstudio.co/yc-companies/tetra-1516) — **Tetra** · YC Winter 2017 · B2B, Productivity · Acquired · team 2 · yc_id:1516 — AI notetaker for phone calls
- [TetraScience](https://lemstudio.co/yc-companies/tetrascience-952) — **TetraScience** · YC Summer 2015 · Healthcare, Healthcare IT · Active · team 100 · yc_id:952 — The only R&D data cloud for life sciences
- [Texel.ai](https://lemstudio.co/yc-companies/texel-ai-28180) — **Texel.ai** · YC Winter 2023 · B2B, Infrastructure · Active · team 2 · yc_id:28180 — Run AI pipelines 10x faster
- [Text Blaze](https://lemstudio.co/yc-companies/text-blaze-22958) — **Text Blaze** · YC Winter 2021 · B2B, Productivity · Active · team 9 · yc_id:22958 — Slash commands anywhere
- [Text.ai](https://lemstudio.co/yc-companies/text-ai-30547) — **Text.ai** · YC Spring 2025 · Consumer · Active · team 4 · yc_id:30547 — Alfi - your group chat with social skills to bring friends closer
- [TextPayMe](https://lemstudio.co/yc-companies/textpayme-374) — **TextPayMe** · YC Summer 2005 · Fintech, Consumer Finance · Acquired · team 11 · yc_id:374
- [The Agentic Data Co.](https://lemstudio.co/yc-companies/the-agentic-data-co-37566) — **The Agentic Data Co.** · YC Fall 2026 · B2B · Active · team 2 · yc_id:37566 — Training Data For Speech Models.
- [The Ankler](https://lemstudio.co/yc-companies/the-ankler-26041) — **The Ankler** · YC Winter 2022 · Consumer, Content · Active · team 2 · yc_id:26041 — Subscription entertainment news
- [The Athletic](https://lemstudio.co/yc-companies/the-athletic-1270) — **The Athletic** · YC Summer 2016 · Consumer, Content · Acquired · team 600 · yc_id:1270 — Subscription sports media.
- [The Breakaway](https://lemstudio.co/yc-companies/the-breakaway-24529) — **The Breakaway** · YC Summer 2021 · Consumer · Active · team 6 · yc_id:24529 — The personal coach and companion for cyclists.
- [The Buttermilk Company](https://lemstudio.co/yc-companies/the-buttermilk-company-1952) — **The Buttermilk Company** · YC Summer 2018 · Consumer, Food and Beverage · Inactive · team 3 · yc_id:1952 — Instant, fresh ethnic food that actually taste homemade. We're…
- [The Centre for Effective Altruism](https://lemstudio.co/yc-companies/the-centre-for-effective-altruism-1552) — **The Centre for Effective Altruism** · YC Winter 2017 · Unspecified · Active · team 15 · yc_id:1552 — We're your non-profit portfolio managers. We make giving to…
- [The Company Company](https://lemstudio.co/yc-companies/the-company-company-31371) — **The Company Company** · YC Fall 2026 · B2B · Active · team 1 · yc_id:31371 — The last agent your company will ever need.
- [The Context Company](https://lemstudio.co/yc-companies/the-context-company-30863) — **The Context Company** · YC Fall 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30863 — Find what's losing you customers and money in your AI agent and fix it
- [The Essential](https://lemstudio.co/yc-companies/the-essential-1475) — **The Essential** · YC Winter 2017 · Consumer · Active · team 11 · yc_id:1475 — E-commerce 2.0
- [The Flex Company](https://lemstudio.co/yc-companies/the-flex-company-1229) — **The Flex Company** · YC Summer 2016 · Consumer, Home and Personal · Active · team 28 · yc_id:1229 — Sustainable period care.
- [The Forecasting Company](https://lemstudio.co/yc-companies/the-forecasting-company-29779) — **The Forecasting Company** · YC Summer 2024 · B2B · Active · team 7 · yc_id:29779 — Foundation models for time series
- [The Good Food Institute](https://lemstudio.co/yc-companies/the-good-food-institute-1930) — **The Good Food Institute** · YC Summer 2018 · Consumer, Food and Beverage · Active · team 110 · yc_id:1930 — Building a world where alternative proteins are no longer alternative.
- [The Hog](https://lemstudio.co/yc-companies/the-hog-30986) — **The Hog** · YC Fall 2025 · B2B, Marketing · Active · team 2 · yc_id:30986 — Real-time web intelligence API for AI agents and GTM teams
- [The Human Utility](https://lemstudio.co/yc-companies/the-human-utility-761) — **The Human Utility** · YC Winter 2015 · Unspecified · Active · team 2 · yc_id:761 — The Human Utility seeks to eliminate water service disconnections for…
- [The Juggernaut](https://lemstudio.co/yc-companies/the-juggernaut-11932) — **The Juggernaut** · YC Winter 2019 · Consumer, Content · Active · team 5 · yc_id:11932 — The global community for the South Asia-curious
- [The Mercer Club](https://lemstudio.co/yc-companies/the-mercer-club-13171) — **The Mercer Club** · YC Winter 2020 · Consumer, Apparel and Cosmetics · Inactive · team 2 · yc_id:13171 — The Mercer Club is a subscription service that allows men to rent…
- [The Muse](https://lemstudio.co/yc-companies/the-muse-10) — **The Muse** · YC Winter 2012 · B2B, Recruiting and Talent · Inactive · team 60 · yc_id:10 — The Muse is values-based job search & hiring for 7M+ monthly
- [The New Money Company](https://lemstudio.co/yc-companies/the-new-money-company-29500) — **The New Money Company** · YC Winter 2024 · Fintech, Payments · Active · team 4 · yc_id:29500 — Invoicing that pays you even if your buyer doesn’t
- [The Prompting Company](https://lemstudio.co/yc-companies/the-prompting-company-30607) — **The Prompting Company** · YC Summer 2025 · B2B, Marketing · Active · team 7 · yc_id:30607 — We help products get discovered & used by AI agents.
- [The Robot Learning Company](https://lemstudio.co/yc-companies/the-robot-learning-company-30433) — **The Robot Learning Company** · YC Spring 2025 · Industrials, Manufacturing and Robotics · Active · team 1 · yc_id:30433 — Tools for the next era of physical automation.
- [The Subvocal Company](https://lemstudio.co/yc-companies/the-subvocal-company-37272) — **The Subvocal Company** · YC Fall 2026 · Consumer, Consumer Electronics · Active · team 3 · yc_id:37272 — Talk to your computer without talking
- [The Supplant Company](https://lemstudio.co/yc-companies/the-supplant-company-1984) — **The Supplant Company** · YC Summer 2018 · Consumer, Food and Beverage · Inactive · team 15 · yc_id:1984 — A brand-new blend of sugars – made from plant fiber!
- [The Synthesis Company](https://lemstudio.co/yc-companies/the-synthesis-company-29708) — **The Synthesis Company** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:29708 — 100x faster scientific evidence synthesis
- [The Third Place](https://lemstudio.co/yc-companies/the-third-place-22624) — **The Third Place** · YC Winter 2021 · B2B, Retail · Active · team 2 · yc_id:22624 — Subscriptions for neighborhood businesses 
- [The Ticket Fairy](https://lemstudio.co/yc-companies/the-ticket-fairy-949) — **The Ticket Fairy** · YC Summer 2015 · Consumer, Travel, Leisure and Tourism · Active · team 30 · yc_id:949 — Revenue generation for live events
- [The Token Company](https://lemstudio.co/yc-companies/the-token-company-31250) — **The Token Company** · YC Winter 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31250 — Compression middleware that improves LLM outputs
- [Thematic](https://lemstudio.co/yc-companies/thematic-1702) — **Thematic** · YC Summer 2017 · B2B, Analytics · Active · team 20 · yc_id:1702 — Customer intelligence for Enterprise CX teams. The grounded…
- [Theneo](https://lemstudio.co/yc-companies/theneo-25849) — **Theneo** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 25 · yc_id:25849 — Stripe-like API Docs in just a few clicks
- [Theora](https://lemstudio.co/yc-companies/theora-30683) — **Theora** · YC Summer 2025 · B2B, Analytics · Active · team 3 · yc_id:30683 — Building medical school for AI Agents
- [Theorem](https://lemstudio.co/yc-companies/theorem-611) — **Theorem** · YC Winter 2014 · Fintech, Asset Management · Acquired · team 34 · yc_id:611 — The mission of Theorem is to make credit safe and available. We use…
- [Theorem](https://lemstudio.co/yc-companies/theorem-30548) — **Theorem** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:30548 — Program verification so even your systems engineers can vibecode
- [Thera](https://lemstudio.co/yc-companies/thera-26870) — **Thera** · YC Summer 2022 · B2B · Active · team 15 · yc_id:26870 — AI-Native Finance OS
- [ThereCraft](https://lemstudio.co/yc-companies/therecraft-1614) — **ThereCraft** · YC Summer 2017 · Industrials, Drones · Active · team 1 · yc_id:1614
- [Therify](https://lemstudio.co/yc-companies/therify-24760) — **Therify** · YC Summer 2021 · B2B, Human Resources · Active · team 3 · yc_id:24760 — Inclusive mental healthcare for companies
- [Theseus](https://lemstudio.co/yc-companies/theseus-29589) — **Theseus** · YC Summer 2024 · Industrials, Drones · Active · team 7 · yc_id:29589 — GPS Denied Navigation for Drones
- [Theta](https://lemstudio.co/yc-companies/theta-30488) — **Theta** · YC Spring 2025 · B2B · Active · team 7 · yc_id:30488 — Specialized AI for Every Job
- [Theya](https://lemstudio.co/yc-companies/theya-28382) — **Theya** · YC Winter 2023 · Fintech, Consumer Finance · Active · team 3 · yc_id:28382 — The world's simplest Bitcoin self-custody solution
- [ThinAir](https://lemstudio.co/yc-companies/thinair-854) — **ThinAir** · YC Winter 2015 · B2B, Security · Inactive · team 11 · yc_id:854 — Intelligent data security for teams
- [Think Gaming](https://lemstudio.co/yc-companies/think-gaming-713) — **Think Gaming** · YC Summer 2014 · B2B, Marketing · Inactive · team 1 · yc_id:713 — We provide market data on the mobile games business to developers,…
- [Thinkature](https://lemstudio.co/yc-companies/thinkature-359) — **Thinkature** · YC Summer 2006 · B2B, Productivity · Inactive · yc_id:359
- [Third Chair](https://lemstudio.co/yc-companies/third-chair-30504) — **Third Chair** · YC Spring 2025 · B2B, Legal · Active · team 8 · yc_id:30504 — AI-Native IP Enforcement Agent
- [Thirdlayer](https://lemstudio.co/yc-companies/thirdlayer-30351) — **Thirdlayer** · YC Winter 2025 · B2B, Productivity · Active · team 2 · yc_id:30351 — Continual learning for enterprise AI
- [Thndr](https://lemstudio.co/yc-companies/thndr-13481) — **Thndr** · YC Summer 2020 · Fintech · Active · team 235 · yc_id:13481 — Investment platform for MENA individuals
- [Thomas](https://lemstudio.co/yc-companies/thomas-31563) — **Thomas** · YC Spring 2026 · B2B · Active · team 2 · yc_id:31563 — The first AI founder: a virtual human who runs his own companies.
- [Thorntale](https://lemstudio.co/yc-companies/thorntale-29421) — **Thorntale** · YC Winter 2024 · B2B, Productivity · Inactive · team 2 · yc_id:29421 — The world's best presentation editor, powered by AI.
- [Thread](https://lemstudio.co/yc-companies/thread-465) — **Thread** · YC Summer 2012 · Consumer, Home and Personal · Inactive · team 92 · yc_id:465 — Thread makes it incredibly easy to dress well, using stylists and AI
- [Threadable](https://lemstudio.co/yc-companies/threadable-589) — **Threadable** · YC Winter 2014 · B2B, Productivity · Inactive · team 2 · yc_id:589 — Mailing lists 2.0. 
Threadable makes group email less noisy and more…
- [Thrive Agric](https://lemstudio.co/yc-companies/thrive-agric-11988) — **Thrive Agric** · YC Winter 2019 · Industrials, Agriculture · Active · team 227 · yc_id:11988 — ThriveAgric help Farmers in Africa access finance, insight and Markets
- [Thrive Agritech](https://lemstudio.co/yc-companies/thrive-agritech-901) — **Thrive Agritech** · YC Summer 2015 · Industrials, Agriculture · Active · team 8 · yc_id:901 — We design and manufacture energy efficient LED lighting fixtures for…
- [throxy](https://lemstudio.co/yc-companies/throxy-30484) — **throxy** · YC Spring 2025 · B2B, Sales · Active · team 55 · yc_id:30484 — Vertical AI agents running B2B outbound on autopilot, with human SDRs
- [Thunder Compute](https://lemstudio.co/yc-companies/thunder-compute-29767) — **Thunder Compute** · YC Summer 2024 · B2B, Infrastructure · Active · team 10 · yc_id:29767 — GPUs for Agents
- [Thunderpod](https://lemstudio.co/yc-companies/thunderpod-13362) — **Thunderpod** · YC Winter 2020 · B2B · Inactive · team 12 · yc_id:13362 — Community Engagement Platform
- [Thunkable](https://lemstudio.co/yc-companies/thunkable-1047) — **Thunkable** · YC Winter 2016 · B2B, Marketing · Active · team 40 · yc_id:1047 — Thunkable is the no-code platform to build powerful native mobile apps
- [Thyme](https://lemstudio.co/yc-companies/thyme-29804) — **Thyme** · YC Summer 2024 · B2B, Finance and Accounting · Acquired · team 2 · yc_id:29804 — The OS for financial advisors
- [Ticket Stumbler](https://lemstudio.co/yc-companies/ticket-stumbler-296) — **Ticket Stumbler** · YC Summer 2008 · Consumer, Travel, Leisure and Tourism · Inactive · team 2 · yc_id:296
- [Ticket Wallet](https://lemstudio.co/yc-companies/ticket-wallet-30472) — **Ticket Wallet** · YC Spring 2025 · B2B · Active · team 20 · yc_id:30472 — AI-optimized ticket resale
- [Tienda Crypto](https://lemstudio.co/yc-companies/tienda-crypto-13207) — **Tienda Crypto** · YC Winter 2020 · Fintech, Banking and Exchange · Active · team 37 · yc_id:13207 — Crypto Exchange and Payment API Gateway
- [TigerEye](https://lemstudio.co/yc-companies/tigereye-25267) — **TigerEye** · YC Summer 2022 · Real Estate and Construction, Construction · Acquired · team 30 · yc_id:25267 — AI for Construction
- [Tilion](https://lemstudio.co/yc-companies/tilion-37105) — **Tilion** · YC Fall 2026 · B2B, Infrastructure · Active · team 4 · yc_id:37105 — Super fast, unblockable browser infra for agents
- [Tilt](https://lemstudio.co/yc-companies/tilt-42) — **Tilt** · YC Winter 2012 · Fintech, Consumer Finance · Acquired · team 51 · yc_id:42 — Mobile crowdfunding: The easiest way to collect, fundraise, and sell…
- [Tilt](https://lemstudio.co/yc-companies/tilt-23053) — **Tilt** · YC Winter 2021 · Consumer · Active · team 12 · yc_id:23053 — Bringing the joy of cycling to millions of Indians
- [Tilt (f.k.a. Delphia)](https://lemstudio.co/yc-companies/tilt-f-k-a-delphia-1832) — **Tilt (f.k.a. Delphia)** · YC Winter 2018 · Fintech, Consumer Finance · Active · team 25 · yc_id:1832 — GitHub for Investment Methodology
- [Tinfoil](https://lemstudio.co/yc-companies/tinfoil-30456) — **Tinfoil** · YC Spring 2025 · B2B, Security · Active · team 5 · yc_id:30456 — Encrypted AI with verifiable privacy
- [Tingles](https://lemstudio.co/yc-companies/tingles-1772) — **Tingles** · YC Winter 2018 · Consumer, Content · Inactive · team 6 · yc_id:1772 — Find content that helps you relax and fall asleep.
- [Tinker](https://lemstudio.co/yc-companies/tinker-716) — **Tinker** · YC Summer 2014 · Fintech, Asset Management · Inactive · yc_id:716 — Digital Currency Market Making
- [Tint](https://lemstudio.co/yc-companies/tint-23064) — **Tint** · YC Winter 2021 · Fintech, Insurance · Active · team 40 · yc_id:23064 — Makes it easy for tech platforms to embed insurance into products
- [Tiny](https://lemstudio.co/yc-companies/tiny-30075) — **Tiny** · YC Fall 2024 · B2B · Active · team 3 · yc_id:30075 — A new kind of ERP system for factories
- [Tipe](https://lemstudio.co/yc-companies/tipe-1756) — **Tipe** · YC Winter 2018 · B2B, Infrastructure · Inactive · team 5 · yc_id:1756 — Open-source, customizable, headless CMS
- [Tipjoy](https://lemstudio.co/yc-companies/tipjoy-316) — **Tipjoy** · YC Winter 2008 · Fintech, Payments · Inactive · team 2 · yc_id:316 — social micropayments
- [Tiptap](https://lemstudio.co/yc-companies/tiptap-29079) — **Tiptap** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 20 · yc_id:29079 — The open-source document editor for humans and AI agents.
- [Tire Swing](https://lemstudio.co/yc-companies/tire-swing-30290) — **Tire Swing** · YC Fall 2026 · B2B, Legal · Active · team 2 · yc_id:30290 — AI Compliance for Affordable Housing
- [Tiriel AI](https://lemstudio.co/yc-companies/tiriel-ai-24271) — **Tiriel AI** · YC Summer 2021 · B2B, Supply Chain and Logistics · Active · team 10 · yc_id:24271 — The AI workforce for freight dispatch
- [Titan](https://lemstudio.co/yc-companies/titan-1914) — **Titan** · YC Summer 2018 · Fintech, Asset Management · Active · team 40 · yc_id:1914 — Titan is an award-winning wealth manager with a mission to increase…
- [Titanio](https://lemstudio.co/yc-companies/titanio-29748) — **Titanio** · YC Summer 2024 · B2B · Active · team 4 · yc_id:29748 — AI Employees for Distributors
- [Titipku](https://lemstudio.co/yc-companies/titipku-24870) — **Titipku** · YC Summer 2021 · Consumer · Active · team 19 · yc_id:24870 — Super Hyperlocal Marketplace for SMEs in Indonesia
- [Tivara](https://lemstudio.co/yc-companies/tivara-29689) — **Tivara** · YC Summer 2024 · Healthcare · Active · team 2 · yc_id:29689 — The AI workforce for medical groups
- [Tizeti](https://lemstudio.co/yc-companies/tizeti-1442) — **Tizeti** · YC Winter 2017 · Consumer, Home and Personal · Active · yc_id:1442 — ISP for Africa
- [ToDesktop](https://lemstudio.co/yc-companies/todesktop-13303) — **ToDesktop** · YC Winter 2020 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:13303 — All-in-one platform for building & releasing desktop apps
- [Todos Comemos](https://lemstudio.co/yc-companies/todos-comemos-22303) — **Todos Comemos** · YC Summer 2020 · Consumer, Food and Beverage · Active · team 62 · yc_id:22303 — Taking from 1 to 100 the premade food industry in LATAM
- [Together Software](https://lemstudio.co/yc-companies/together-software-12425) — **Together Software** · YC Summer 2019 · B2B, Human Resources · Acquired · team 35 · yc_id:12425 — Learn from the experts at your company. 
- [Together Video Chat](https://lemstudio.co/yc-companies/together-video-chat-22101) — **Together Video Chat** · YC Summer 2020 · Consumer, Home and Personal · Acquired · team 1 · yc_id:22101 — Interactive video chat made for kids and families
- [Token Transit](https://lemstudio.co/yc-companies/token-transit-1488) — **Token Transit** · YC Winter 2017 · Government · Active · team 12 · yc_id:1488 — Complete fare payment platform for public transportation
- [Toko](https://lemstudio.co/yc-companies/toko-25674) — **Toko** · YC Winter 2022 · Education · Active · team 5 · yc_id:25674 — Learn English by speaking with an AI
- [Toku](https://lemstudio.co/yc-companies/toku-24907) — **Toku** · YC Summer 2021 · B2B, Finance and Accounting · Active · team 150 · yc_id:24907 — Account Receivables Platform for Latin American Enterprises
- [Tola](https://lemstudio.co/yc-companies/tola-25693) — **Tola** · YC Winter 2022 · Fintech, Payments · Acquired · team 12 · yc_id:25693 — The simple, fast and free tool for businesses to pay and get paid
- [Tolemi](https://lemstudio.co/yc-companies/tolemi-1502) — **Tolemi** · YC Winter 2017 · Real Estate and Construction, Housing and Real Estate · Active · team 20 · yc_id:1502 — Data integration & insights for state and local governments
- [Tolmo](https://lemstudio.co/yc-companies/tolmo-31506) — **Tolmo** · YC Spring 2026 · B2B, Security · Active · team 12 · yc_id:31506 — Tolmo is the AI security platform that secures every layer of cloud…
- [Toma](https://lemstudio.co/yc-companies/toma-29377) — **Toma** · YC Winter 2024 · B2B, Operations · Active · team 20 · yc_id:29377 — AI Applied Research
- [TomoGuides](https://lemstudio.co/yc-companies/tomoguides-386) — **TomoGuides** · YC Summer 2012 · Consumer, Content · Inactive · team 2 · yc_id:386 — Mobile travel guides done right.  Personalized, context-aware, and…
- [Toolify](https://lemstudio.co/yc-companies/toolify-29335) — **Toolify** · YC Winter 2024 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:29335 — Build internal tools with AI
- [Toothy AI](https://lemstudio.co/yc-companies/toothy-ai-30218) — **Toothy AI** · YC Winter 2025 · Healthcare, Healthcare IT · Active · team 15 · yc_id:30218 — AI for insurance verification & billing at dental clinics
- [Top Road](https://lemstudio.co/yc-companies/top-road-25870) — **Top Road** · YC Winter 2022 · Fintech, Payments · Active · team 2 · yc_id:25870 — Payments & analytics for apps in the OpenAI GPT Store
- [Topkey](https://lemstudio.co/yc-companies/topkey-22854) — **Topkey** · YC Winter 2021 · B2B, Finance and Accounting · Active · team 17 · yc_id:22854
- [Topline Pro](https://lemstudio.co/yc-companies/topline-pro-22991) — **Topline Pro** · YC Winter 2021 · B2B, Operations · Active · team 28 · yc_id:22991 — Generative AI powered Shopify for home service professionals
- [Topo](https://lemstudio.co/yc-companies/topo-29301) — **Topo** · YC Winter 2024 · B2B, Sales · Active · team 12 · yc_id:29301 — All-in-one AI platform  for outbound sales
- [Topological](https://lemstudio.co/yc-companies/topological-30629) — **Topological** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:30629 — Physics-based foundation models for CAD optimization.
- [Topship](https://lemstudio.co/yc-companies/topship-25935) — **Topship** · YC Winter 2022 · B2B, Supply Chain and Logistics · Active · team 20 · yc_id:25935 — Flexport for African Merchants - Building the OS for Global Logistics
- [Torch](https://lemstudio.co/yc-companies/torch-1728) — **Torch** · YC Winter 2018 · B2B, Recruiting and Talent · Inactive · team 130 · yc_id:1728
- [Tornyol](https://lemstudio.co/yc-companies/tornyol-30934) — **Tornyol** · YC Fall 2025 · Consumer, Consumer Electronics · Active · team 7 · yc_id:30934 — We build micro-drones that kill mosquitoes. 
- [Torpedo Therapeutics](https://lemstudio.co/yc-companies/torpedo-therapeutics-25864) — **Torpedo Therapeutics** · YC Winter 2022 · Healthcare, Medical Devices · Active · team 5 · yc_id:25864 — High-precision, closed-loop neuromodulation devices
- [Torus](https://lemstudio.co/yc-companies/torus-31858) — **Torus** · YC Summer 2026 · Industrials · Active · team 6 · yc_id:31858 — Legora for physical engineering firms
- [Totalis](https://lemstudio.co/yc-companies/totalis-31344) — **Totalis** · YC Spring 2026 · Fintech, Consumer Finance · Active · yc_id:31344 — derivative layer for prediction markets
- [Touch and Pay Technologies Limited](https://lemstudio.co/yc-companies/touch-and-pay-technologies-limited-25444) — **Touch and Pay Technologies Limited** · YC Winter 2022 · Fintech, Payments · Active · team 55 · yc_id:25444 — Digitizing and processing Microtransactions in Africa
- [Touchmark](https://lemstudio.co/yc-companies/touchmark-32253) — **Touchmark** · YC Summer 2026 · B2B, Infrastructure · Active · team 2 · yc_id:32253 — Market for future inference capacity
- [Touchy](https://lemstudio.co/yc-companies/touchy-33051) — **Touchy** · YC Summer 2026 · Consumer · Active · team 3 · yc_id:33051 — AI iOS assistant that instantly uses voice and video to take action
- [Tough Commerce](https://lemstudio.co/yc-companies/tough-commerce-13116) — **Tough Commerce** · YC Winter 2020 · Real Estate and Construction, Construction · Active · team 21 · yc_id:13116 — Shopify for construction.
- [Tovala](https://lemstudio.co/yc-companies/tovala-989) — **Tovala** · YC Winter 2016 · Consumer, Home and Personal · Active · team 375 · yc_id:989 — A smart-oven-paired subscription meal service.
- [TovenAI](https://lemstudio.co/yc-companies/tovenai-33178) — **TovenAI** · YC Summer 2026 · Fintech, Banking and Exchange · Active · team 2 · yc_id:33178 — AI agents for compliance at institutional trading firms
- [Tower](https://lemstudio.co/yc-companies/tower-29505) — **Tower** · YC Winter 2024 · B2B, Legal · Active · team 3 · yc_id:29505 — M&A due diligence platform powered by AI
- [Toymail](https://lemstudio.co/yc-companies/toymail-1001) — **Toymail** · YC Winter 2016 · Consumer, Consumer Electronics · Inactive · team 2 · yc_id:1001 — Connected toys that enable two-way voice messaging between children…
- [tpaga](https://lemstudio.co/yc-companies/tpaga-1647) — **tpaga** · YC Summer 2017 · Fintech, Payments · Active · team 25 · yc_id:1647 — First financial Superapp of Latin America
- [TRAC](https://lemstudio.co/yc-companies/trac-1059) — **TRAC** · YC Winter 2016 · Healthcare, Consumer Health and Wellness · Inactive · team 2 · yc_id:1059 — An end to end timing solution for any scale athletic event. 
- [Trace](https://lemstudio.co/yc-companies/trace-30687) — **Trace** · YC Summer 2025 · B2B, Productivity · Active · team 3 · yc_id:30687 — Context-aware orchestration between humans and AI.
- [Tracecat](https://lemstudio.co/yc-companies/tracecat-29246) — **Tracecat** · YC Winter 2024 · B2B, Security · Active · yc_id:29246 — Open-source agentic security automation platform
- [Traceforce](https://lemstudio.co/yc-companies/traceforce-32418) — **Traceforce** · YC Summer 2026 · B2B, Security · Active · team 2 · yc_id:32418 — CrowdStrike for AI Agents
- [Traceloop](https://lemstudio.co/yc-companies/traceloop-27678) — **Traceloop** · YC Winter 2023 · B2B · Acquired · team 9 · yc_id:27678 — Know what your LLM is doing — and why it’s failing
- [Tracer](https://lemstudio.co/yc-companies/tracer-33316) — **Tracer** · YC Summer 2026 · B2B · Active · team 1 · yc_id:33316 — Combining open-source AI models for better answers at lower cost
- [TraceRoot.AI](https://lemstudio.co/yc-companies/traceroot-ai-30610) — **TraceRoot.AI** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 4 · yc_id:30610 — Open source self-improving layer for AI agents
- [Traces](https://lemstudio.co/yc-companies/traces-12846) — **Traces** · YC Summer 2019 · B2B, Security · Active · team 10 · yc_id:12846 — Transform your video monitoring with AI
- [Trackingplan](https://lemstudio.co/yc-companies/trackingplan-25743) — **Trackingplan** · YC Winter 2022 · B2B, Analytics · Active · team 17 · yc_id:25743 — Automated QA for your Digital Analytics
- [Trackstar](https://lemstudio.co/yc-companies/trackstar-27707) — **Trackstar** · YC Winter 2023 · B2B, Supply Chain and Logistics · Active · team 7 · yc_id:27707 — Plaid for supply chain logistics
- [Tractian](https://lemstudio.co/yc-companies/tractian-23017) — **Tractian** · YC Winter 2021 · Industrials · Active · team 530 · yc_id:23017 — Physical AI for asset-heavy industries
- [Trade](https://lemstudio.co/yc-companies/trade-1439) — **Trade** · YC Winter 2017 · Industrials, Agriculture · Inactive · team 3 · yc_id:1439 — We're building Africa's Commodity Exchange. 
- [TradeFlow](https://lemstudio.co/yc-companies/tradeflow-29836) — **TradeFlow** · YC Summer 2024 · Fintech · Active · team 2 · yc_id:29836 — AI-powered settlement for financial securities
- [Tradewind BioScience](https://lemstudio.co/yc-companies/tradewind-bioscience-1768) — **Tradewind BioScience** · YC Winter 2018 · Healthcare, Therapeutics · Active · team 2 · yc_id:1768 — Tradewind translates scientific insight into innovative ways of…
- [TrainLoop](https://lemstudio.co/yc-companies/trainloop-30350) — **TrainLoop** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:30350 — Reasoning Fine-Tuning
- [Trainy](https://lemstudio.co/yc-companies/trainy-28968) — **Trainy** · YC Summer 2023 · B2B · Active · team 3 · yc_id:28968 — Infrastructure for managing GPU clusters for training/serving.
- [Trainzen](https://lemstudio.co/yc-companies/trainzen-480) — **Trainzen** · YC Winter 2013 · B2B, Human Resources · Inactive · team 2 · yc_id:480 — Educational assessments made easy. Eliminating paper-based exams in…
- [Tranch](https://lemstudio.co/yc-companies/tranch-26764) — **Tranch** · YC Summer 2022 · Fintech, Payments · Acquired · team 11 · yc_id:26764 — Tranch is the invoice to payments platform for enterprises.
- [Tranqui Finanzas](https://lemstudio.co/yc-companies/tranqui-finanzas-12839) — **Tranqui Finanzas** · YC Summer 2019 · Fintech, Credit and Lending · Active · team 27 · yc_id:12839 — Debt Management for Latin America. 
- [TransAstra Corporation](https://lemstudio.co/yc-companies/transastra-corporation-24531) — **TransAstra Corporation** · YC Summer 2021 · Industrials, Aviation and Space · Active · team 8 · yc_id:24531 — Orbital logistics: Unleashing space industry, from Earth to asteroids
- [Transcriptic](https://lemstudio.co/yc-companies/transcriptic-835) — **Transcriptic** · YC Winter 2015 · Healthcare, Healthcare Services · Inactive · team 13 · yc_id:835 — The robotic cloud laboratory for the life sciences.
- [Transfez](https://lemstudio.co/yc-companies/transfez-25346) — **Transfez** · YC Winter 2022 · Fintech, Payments · Active · team 50 · yc_id:25346 — Brex for small businesses in Indonesia 
- [transload](https://lemstudio.co/yc-companies/transload-31403) — **transload** · YC Spring 2026 · B2B, Supply Chain and Logistics · Active · team 3 · yc_id:31403 — Measure freight with security cameras
- [Trapeze](https://lemstudio.co/yc-companies/trapeze-30457) — **Trapeze** · YC Spring 2025 · Healthcare, Healthcare IT · Active · team 2 · yc_id:30457 — AI-native Zocdoc
- [Trata](https://lemstudio.co/yc-companies/trata-30274) — **Trata** · YC Winter 2025 · B2B, Finance and Accounting · Active · team 6 · yc_id:30274 — AI-powered research desk for hedge funds
- [Trava](https://lemstudio.co/yc-companies/trava-30225) — **Trava** · YC Winter 2025 · B2B, Supply Chain and Logistics · Active · team 1 · yc_id:30225 — AI agents for global trade compliance
- [Traversal Networks](https://lemstudio.co/yc-companies/traversal-networks-940) — **Traversal Networks** · YC Summer 2015 · B2B, Security · Inactive · team 1 · yc_id:940 — Enterprise Threat Detection: Tuning, Triage, and Analysis by Experts.
- [Traverse](https://lemstudio.co/yc-companies/traverse-31191) — **Traverse** · YC Winter 2026 · B2B · Active · team 1 · yc_id:31191 — Research lab solving non-verifiable work
- [Traverse Technologies](https://lemstudio.co/yc-companies/traverse-technologies-12092) — **Traverse Technologies** · YC Winter 2019 · B2B, Operations · Inactive · team 6 · yc_id:12092 — AI driven professional engineering firm
- [Travo](https://lemstudio.co/yc-companies/travo-30905) — **Travo** · YC Winter 2026 · Real Estate and Construction · Active · team 4 · yc_id:30905 — .
- [Trayd](https://lemstudio.co/yc-companies/trayd-29090) — **Trayd** · YC Summer 2023 · B2B, Finance and Accounting · Active · team 34 · yc_id:29090 — A construction payroll and compliance platform built for specialty…
- [Treasury Prime](https://lemstudio.co/yc-companies/treasury-prime-1810) — **Treasury Prime** · YC Winter 2018 · Fintech, Banking and Exchange · Active · team 100 · yc_id:1810 — Embedded banking software platform and marketplace
- [treble.ai](https://lemstudio.co/yc-companies/treble-ai-12855) — **treble.ai** · YC Summer 2019 · B2B, Marketing · Active · team 38 · yc_id:12855 — We help companies scale marketing campaigns through WhatsApp
- [Treblo](https://lemstudio.co/yc-companies/treblo-29431) — **Treblo** · YC Winter 2024 · Consumer, Content · Active · team 4 · yc_id:29431 — Create hit songs with AI
- [Trébol](https://lemstudio.co/yc-companies/tr-bol-25316) — **Trébol** · YC Winter 2022 · B2B, Finance and Accounting · Active · team 14 · yc_id:25316 — Your back-office, on autopilot
- [Treehouse](https://lemstudio.co/yc-companies/treehouse-301) — **Treehouse** · YC Summer 2008 · Consumer, Social · Inactive · team 101 · yc_id:301
- [Treinta](https://lemstudio.co/yc-companies/treinta-23357) — **Treinta** · YC Winter 2021 · B2B, Productivity · Active · team 60 · yc_id:23357 — Software and AI tools for SMBs in the US and Latin America
- [Trela](https://lemstudio.co/yc-companies/trela-22952) — **Trela** · YC Winter 2021 · Consumer · Active · team 120 · yc_id:22952 — Your one-stop shop to eat well in Brazil
- [Trelium](https://lemstudio.co/yc-companies/trelium-30877) — **Trelium** · YC Fall 2025 · B2B · Active · team 6 · yc_id:30877 — The Agent to Build Your Agents
- [Trella](https://lemstudio.co/yc-companies/trella-12836) — **Trella** · YC Summer 2019 · B2B, Supply Chain and Logistics · Active · team 50 · yc_id:12836 — Trella is a platform that connects shippers to carriers. Trella…
- [Trellis](https://lemstudio.co/yc-companies/trellis-31372) — **Trellis** · YC Spring 2026 · B2B, Operations · Active · team 5 · yc_id:31372 — Agents that run short-term rental operations end-to-end
- [Trellis AI](https://lemstudio.co/yc-companies/trellis-ai-29300) — **Trellis AI** · YC Winter 2024 · B2B · Active · team 34 · yc_id:29300 — Accelerate Medication Access with AI
- [Trellus](https://lemstudio.co/yc-companies/trellus-25314) — **Trellus** · YC Winter 2022 · B2B, Sales · Active · team 3 · yc_id:25314 — Real-time sales coach for SDRs 
- [Tremendous](https://lemstudio.co/yc-companies/tremendous-149) — **Tremendous** · YC Winter 2011 · Fintech, Payments · Active · team 150 · yc_id:149 — How businesses send money to people at scale. Fast, free, global.
- [Tremor](https://lemstudio.co/yc-companies/tremor-28660) — **Tremor** · YC Summer 2023 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:28660 — The UI toolkit for Dashboards
- [Trendex - Connect with stars](https://lemstudio.co/yc-companies/trendex-connect-with-stars-27091) — **Trendex - Connect with stars** · YC Summer 2022 · Consumer · Active · team 9 · yc_id:27091 — Bringing fans closer to the world’s greatest athletes
- [Trendpop](https://lemstudio.co/yc-companies/trendpop-22968) — **Trendpop** · YC Winter 2021 · B2B, Analytics · Acquired · team 10 · yc_id:22968 — Discover trends as they happen
- [Tress](https://lemstudio.co/yc-companies/tress-1474) — **Tress** · YC Winter 2017 · Consumer, Social · Inactive · team 2 · yc_id:1474 — Tress is a social community for black women's hairstyles. We are…
- [Trestle Biotherapeutics](https://lemstudio.co/yc-companies/trestle-biotherapeutics-22618) — **Trestle Biotherapeutics** · YC Winter 2021 · Healthcare, Industrial Bio · Active · team 2 · yc_id:22618 — Bioengineered kidneys for patients with kidney failure
- [Trexo Robotics](https://lemstudio.co/yc-companies/trexo-robotics-11922) — **Trexo Robotics** · YC Winter 2019 · Healthcare, Medical Devices · Active · team 30 · yc_id:11922 — Exoskeletons to help people walk, starting with children
- [Tributi](https://lemstudio.co/yc-companies/tributi-1798) — **Tributi** · YC Winter 2018 · Consumer, Home and Personal · Active · team 20 · yc_id:1798 — Tax filing automation for individuals in Latam.
- [Trident](https://lemstudio.co/yc-companies/trident-31537) — **Trident** · YC Summer 2026 · B2B, Security · Active · team 4 · yc_id:31537 — Autonomous offensive security agents. The best defense is offense
- [Trident Bioscience](https://lemstudio.co/yc-companies/trident-bioscience-13306) — **Trident Bioscience** · YC Summer 2020 · Healthcare, Drug Discovery and Delivery · Inactive · team 1 · yc_id:13306 — Accelerating protein engineering.
- [Trieve](https://lemstudio.co/yc-companies/trieve-29379) — **Trieve** · YC Winter 2024 · B2B, Infrastructure · Acquired · team 7 · yc_id:29379 — All-in-one API for search, RAG, & recommendations
- [Trigger](https://lemstudio.co/yc-companies/trigger-303) — **Trigger** · YC Winter 2008 · B2B, Engineering, Product and Design · Inactive · team 11 · yc_id:303 — Better PhoneGap.
- [Trigger.dev](https://lemstudio.co/yc-companies/trigger-dev-27680) — **Trigger.dev** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 9 · yc_id:27680 — Build and deploy fully‑managed AI agents and workflows
- [Trigo](https://lemstudio.co/yc-companies/trigo-27832) — **Trigo** · YC Winter 2023 · Fintech, Credit and Lending · Acquired · team 4 · yc_id:27832 — Rent verification API for landlords and lenders
- [trii](https://lemstudio.co/yc-companies/trii-24168) — **trii** · YC Summer 2021 · Fintech, Banking and Exchange · Active · team 41 · yc_id:24168 — One stop investment solution for retail investors in Latam
- [Trim](https://lemstudio.co/yc-companies/trim-30237) — **Trim** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30237 — A foundation model for physics.
- [Triomics](https://lemstudio.co/yc-companies/triomics-23539) — **Triomics** · YC Winter 2021 · Healthcare, Healthcare Services · Active · team 50 · yc_id:23539 — AI Agents for Oncology EHRs
- [Triplebyte](https://lemstudio.co/yc-companies/triplebyte-860) — **Triplebyte** · YC Summer 2015 · B2B, Recruiting and Talent · Acquired · team 70 · yc_id:860 — Intelligent technical hiring.
- [Triplit](https://lemstudio.co/yc-companies/triplit-22704) — **Triplit** · YC Winter 2021 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:22704 — The best database for app developers
- [Triply](https://lemstudio.co/yc-companies/triply-29423) — **Triply** · YC Winter 2024 · B2B, Operations · Active · team 18 · yc_id:29423 — Operating system for travel businesses in Africa with embedded finance
- [TRM Labs](https://lemstudio.co/yc-companies/trm-labs-12608) — **TRM Labs** · YC Summer 2019 · B2B, Security · Active · team 400 · yc_id:12608 — TRM is building a safer world for billions of people.
- [Trope](https://lemstudio.co/yc-companies/trope-32135) — **Trope** · YC Summer 2026 · B2B · Active · team 2 · yc_id:32135 — AI FDE that deploys custom AI agents into ERPs
- [True Link](https://lemstudio.co/yc-companies/true-link-563) — **True Link** · YC Summer 2013 · Fintech · Active · team 100 · yc_id:563 — Financial Services for Financial Caregivers. 
- [True3D](https://lemstudio.co/yc-companies/true3d-22880) — **True3D** · YC Winter 2021 · B2B, Infrastructure · Active · team 5 · yc_id:22880 — Building the next generation of visual media
- [Truebill](https://lemstudio.co/yc-companies/truebill-1005) — **Truebill** · YC Winter 2016 · Fintech, Consumer Finance · Acquired · team 225 · yc_id:1005 — Live your best financial life
- [TrueBiz](https://lemstudio.co/yc-companies/truebiz-26720) — **TrueBiz** · YC Summer 2022 · B2B, Operations · Active · team 6 · yc_id:26720 — Instant Background Checks for Businesses
- [TrueClaim](https://lemstudio.co/yc-companies/trueclaim-29482) — **TrueClaim** · YC Winter 2024 · Healthcare · Active · team 10 · yc_id:29482 — Transparent, AI-powered healthcare TPA.
- [truemetrics](https://lemstudio.co/yc-companies/truemetrics-29125) — **truemetrics** · YC Summer 2023 · B2B, Supply Chain and Logistics · Active · team 5 · yc_id:29125 — We show couriers where to park and enter a building.
- [TrueMile](https://lemstudio.co/yc-companies/truemile-35266) — **TrueMile** · YC Fall 2026 · B2B, Supply Chain and Logistics · Active · team 3 · yc_id:35266 — AI agents that run trucking operations.
- [TrueNorth](https://lemstudio.co/yc-companies/truenorth-13176) — **TrueNorth** · YC Winter 2020 · B2B, Supply Chain and Logistics · Inactive · team 60 · yc_id:13176 — TrueNorth gives truckers a single place to manage their business.
- [Truepill](https://lemstudio.co/yc-companies/truepill-1635) — **Truepill** · YC Summer 2017 · Healthcare, Healthcare IT · Acquired · team 1300 · yc_id:1635 — API-connected healthcare infrastructure.
- [TrueVault](https://lemstudio.co/yc-companies/truevault-628) — **TrueVault** · YC Winter 2014 · B2B · Active · yc_id:628 — We make Privacy Software for SMBs.
- [Truewind](https://lemstudio.co/yc-companies/truewind-27896) — **Truewind** · YC Winter 2023 · B2B, Finance and Accounting · Active · team 30 · yc_id:27896 — AI-Powered Accounting
- [Truora](https://lemstudio.co/yc-companies/truora-12282) — **Truora** · YC Winter 2019 · B2B, Operations · Active · team 80 · yc_id:12282 — Reliable background checks & fraud prevention tools for Latin America.
- [Truss](https://lemstudio.co/yc-companies/truss-24347) — **Truss** · YC Summer 2021 · Fintech, Banking and Exchange · Active · team 12 · yc_id:24347 — Banking for construction
- [TrustEgg](https://lemstudio.co/yc-companies/trustegg-166) — **TrustEgg** · YC Winter 2011 · Fintech, Asset Management · Inactive · team 2 · yc_id:166 — Trust funds.
- [Trusty](https://lemstudio.co/yc-companies/trusty-26067) — **Trusty** · YC Winter 2022 · Real Estate and Construction, Housing and Real Estate · Active · team 6 · yc_id:26067 — Limitless Real Estate
- [truthsystems](https://lemstudio.co/yc-companies/truthsystems-30612) — **truthsystems** · YC Summer 2025 · B2B, Infrastructure · Active · team 6 · yc_id:30612 — Automatically blocking risky behavior with real-time governance agents
- [Truva](https://lemstudio.co/yc-companies/truva-26690) — **Truva** · YC Summer 2022 · B2B, Marketing · Acquired · team 23 · yc_id:26690 — Sell more. Grind less with AI agents.
- [TryNearby](https://lemstudio.co/yc-companies/trynearby-32815) — **TryNearby** · YC Summer 2026 · B2B, Marketing · Active · team 5 · yc_id:32815 — Local creators for local businesses
- [Tsenta](https://lemstudio.co/yc-companies/tsenta-31259) — **Tsenta** · YC Summer 2026 · Consumer, Job and Career Services · Active · team 2 · yc_id:31259 — AI career agent that finds matching jobs & applies on your behalf
- [Tsumobi](https://lemstudio.co/yc-companies/tsumobi-345) — **Tsumobi** · YC Winter 2007 · Consumer, Social · Inactive · team 2 · yc_id:345 — Messaging.
- [Tuesday Labs](https://lemstudio.co/yc-companies/tuesday-labs-29257) — **Tuesday Labs** · YC Winter 2024 · Consumer, Consumer Electronics · Active · team 7 · yc_id:29257 — Delightful robots
- [Tule](https://lemstudio.co/yc-companies/tule-717) — **Tule** · YC Summer 2014 · Industrials, Agriculture · Acquired · team 8 · yc_id:717 — Help farmers make irrigation decisions with sensors / computer vision 
- [Tuli Health](https://lemstudio.co/yc-companies/tuli-health-24638) — **Tuli Health** · YC Summer 2021 · Healthcare · Active · team 4 · yc_id:24638 — Transforming pharmacies in the UK into diagnostic centers
- [Tumult](https://lemstudio.co/yc-companies/tumult-141) — **Tumult** · YC Winter 2011 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:141 — Tumult is building the next generation of apps for web design. Our…
- [Tupelo](https://lemstudio.co/yc-companies/tupelo-22715) — **Tupelo** · YC Winter 2021 · B2B, Finance and Accounting · Active · team 2 · yc_id:22715 — Marketplace for small business M&A
- [Turing College](https://lemstudio.co/yc-companies/turing-college-23457) — **Turing College** · YC Winter 2021 · Education · Active · team 50 · yc_id:23457 — AI-driven online tech school for busy professionals
- [Turing Labs Inc.](https://lemstudio.co/yc-companies/turing-labs-inc-13218) — **Turing Labs Inc.** · YC Winter 2020 · B2B, Retail · Active · team 5 · yc_id:13218 — AI for R&D of consumer brands like P&G to develop better products
- [Turion Space](https://lemstudio.co/yc-companies/turion-space-24865) — **Turion Space** · YC Summer 2021 · Industrials, Aviation and Space · Active · team 15 · yc_id:24865 — Moving Things Around in Space, Imaging Space Objects When We're Not
- [Turnstone](https://lemstudio.co/yc-companies/turnstone-31244) — **Turnstone** · YC Winter 2026 · B2B · Active · team 3 · yc_id:31244 — Work with agents that already know you
- [Turntable](https://lemstudio.co/yc-companies/turntable-28078) — **Turntable** · YC Winter 2023 · B2B, Analytics · Inactive · team 3 · yc_id:28078 — AI-native operating system for analytics teams
- [Tusk](https://lemstudio.co/yc-companies/tusk-29310) — **Tusk** · YC Winter 2024 · B2B, Engineering, Product and Design · Inactive · team 4 · yc_id:29310 — AI agent that generates unit and integration tests
- [Tutorspree](https://lemstudio.co/yc-companies/tutorspree-163) — **Tutorspree** · YC Winter 2011 · Education · Inactive · team 51 · yc_id:163 — Online tutoring marketplace.
- [Tuva Health](https://lemstudio.co/yc-companies/tuva-health-25659) — **Tuva Health** · YC Winter 2022 · Healthcare, Healthcare IT · Active · team 3 · yc_id:25659 — Open source software that cleans and transforms messy healthcare data.
- [Tuxebo](https://lemstudio.co/yc-companies/tuxebo-252) — **Tuxebo** · YC Summer 2009 · Real Estate and Construction · Inactive · team 3 · yc_id:252 — Online marketplace for equipment rental
- [Tweeks.io](https://lemstudio.co/yc-companies/tweeks-io-30183) — **Tweeks.io** · YC Winter 2025 · B2B, Recruiting and Talent · Active · team 2 · yc_id:30183 — Lovable for Chrome Plugins
- [Twenty](https://lemstudio.co/yc-companies/twenty-28777) — **Twenty** · YC Summer 2023 · B2B · Active · team 11 · yc_id:28777 — Open Source CRM
- [twentyfour26](https://lemstudio.co/yc-companies/twentyfour26-35523) — **twentyfour26** · YC Fall 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:35523 — On Demand CNC Prototyping 
- [TwentyTwo](https://lemstudio.co/yc-companies/twentytwo-30702) — **TwentyTwo** · YC Summer 2025 · Healthcare, Industrial Bio · Active · team 3 · yc_id:30702 — AI infrastructure for biosecurity
- [Twine](https://lemstudio.co/yc-companies/twine-29117) — **Twine** · YC Summer 2023 · B2B, Sales · Active · team 6 · yc_id:29117 — ai revenue engine for service businesses
- [Twitch](https://lemstudio.co/yc-companies/twitch-383) — **Twitch** · YC Winter 2007 · Consumer, Content · Acquired · team 2000 · yc_id:383 — A global community creating the future of live entertainment.
- [Two Dots](https://lemstudio.co/yc-companies/two-dots-26704) — **Two Dots** · YC Summer 2022 · Fintech, Consumer Finance · Active · team 28 · yc_id:26704 — AI fraud prevention and underwriting agent
- [Two Tap](https://lemstudio.co/yc-companies/two-tap-575) — **Two Tap** · YC Winter 2014 · B2B, Retail · Acquired · team 11 · yc_id:575 — Two Tap connects retailers to companies that want to sell their…
- [Twolabs](https://lemstudio.co/yc-companies/twolabs-31359) — **Twolabs** · YC Spring 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:31359 — Humanoid robot platform for builders.
- [twoplus fertility](https://lemstudio.co/yc-companies/twoplus-fertility-13338) — **twoplus fertility** · YC Summer 2020 · Healthcare, Consumer Health and Wellness · Active · team 18 · yc_id:13338 — An effective home-use fertility treatment for natural conception
- [TYBR Health](https://lemstudio.co/yc-companies/tybr-health-25286) — **TYBR Health** · YC Winter 2022 · Healthcare, Medical Devices · Active · team 3 · yc_id:25286 — Natural hydrogel to keep internal organs scar-free after surgery
- [Tydo](https://lemstudio.co/yc-companies/tydo-22001) — **Tydo** · YC Summer 2020 · B2B, Analytics · Inactive · team 14 · yc_id:22001 — Turn your data into intelligence
- [TyltGO](https://lemstudio.co/yc-companies/tyltgo-22047) — **TyltGO** · YC Summer 2020 · B2B, Supply Chain and Logistics · Active · team 15 · yc_id:22047 — TyltGO powers retailers with same-day delivery.
- [Typa](https://lemstudio.co/yc-companies/typa-29830) — **Typa** · YC Summer 2024 · B2B, Marketing · Active · team 2 · yc_id:29830 — The content engine that wins attention and drives growth.
- [Type](https://lemstudio.co/yc-companies/type-28329) — **Type** · YC Winter 2023 · Consumer · Active · team 5 · yc_id:28329 — AI-native storytelling studio.
- [Typedream](https://lemstudio.co/yc-companies/typedream-13238) — **Typedream** · YC Winter 2020 · Consumer, Content · Acquired · team 5 · yc_id:13238 — Build & launch your website in minutes with AI
- [TypeLess](https://lemstudio.co/yc-companies/typeless-27143) — **TypeLess** · YC Summer 2022 · B2B · Active · team 2 · yc_id:27143 — AI messaging API for smarter, faster communication.
- [Typewise](https://lemstudio.co/yc-companies/typewise-26859) — **Typewise** · YC Summer 2022 · B2B, Productivity · Active · team 12 · yc_id:26859 — Customer service AI that resolves requests end-to-end.
- [Uberduck](https://lemstudio.co/yc-companies/uberduck-25117) — **Uberduck** · YC Winter 2022 · B2B, Marketing · Inactive · team 2 · yc_id:25117 — Fast, professional content creation with AI audio, image, and video.
- [Ubicloud](https://lemstudio.co/yc-companies/ubicloud-29231) — **Ubicloud** · YC Winter 2024 · B2B, Infrastructure · Active · team 15 · yc_id:29231 — Open source alternative to AWS
- [Ubiq](https://lemstudio.co/yc-companies/ubiq-1301) — **Ubiq** · YC Summer 2016 · B2B, Productivity · Inactive · team 6 · yc_id:1301 — Screen-sharing for enterprise conference rooms
- [UBITS](https://lemstudio.co/yc-companies/ubits-1959) — **UBITS** · YC Summer 2018 · B2B, Human Resources · Active · team 300 · yc_id:1959 — Learning Hub for companies in Latam
- [Udhaar App](https://lemstudio.co/yc-companies/udhaar-app-22853) — **Udhaar App** · YC Winter 2021 · Fintech, Payments · Active · team 32 · yc_id:22853 — We're Khatabook / OkCredit for Pakistan
- [UFO.ai](https://lemstudio.co/yc-companies/ufo-ai-33674) — **UFO.ai** · YC Fall 2026 · B2B · Active · team 2 · yc_id:33674 — Next-generation agent operating system
- [Uiflow](https://lemstudio.co/yc-companies/uiflow-23370) — **Uiflow** · YC Winter 2021 · B2B, Engineering, Product and Design · Acquired · team 21 · yc_id:23370 — No-code platform for enterprise software companies
- [Ukama](https://lemstudio.co/yc-companies/ukama-19890) — **Ukama** · YC Summer 2020 · B2B · Active · team 7 · yc_id:19890 — Empowering anyone to build  cellular network
- [Ultra](https://lemstudio.co/yc-companies/ultra-29557) — **Ultra** · YC Summer 2024 · Industrials, Manufacturing and Robotics · Active · team 4 · yc_id:29557 — Practical, general-purpose robots for repetitive industrial tasks
- [Ultralight](https://lemstudio.co/yc-companies/ultralight-11946) — **Ultralight** · YC Winter 2019 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:11946 — Universal, Pure-GPU HTML Renderer
- [Ultrasonium](https://lemstudio.co/yc-companies/ultrasonium-32750) — **Ultrasonium** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 5 · yc_id:32750 — Metal manufacturing, faster, cheaper, and more versatile.
- [Unbabel](https://lemstudio.co/yc-companies/unbabel-640) — **Unbabel** · YC Winter 2014 · B2B, Operations · Acquired · team 350 · yc_id:640 — AI-powered Language Operations platform
- [Unbound](https://lemstudio.co/yc-companies/unbound-29659) — **Unbound** · YC Summer 2024 · B2B, Security · Active · team 7 · yc_id:29659 — Use AI tools without fear of data leakage
- [Uncommon Therapeutics](https://lemstudio.co/yc-companies/uncommon-therapeutics-29959) — **Uncommon Therapeutics** · YC Winter 2025 · Healthcare, Therapeutics · Active · team 2 · yc_id:29959 — A Disease Focused Biotech, Building Multiple Billion Dollar Drugs
- [Underground Cellar](https://lemstudio.co/yc-companies/underground-cellar-795) — **Underground Cellar** · YC Winter 2015 · Consumer, Food and Beverage · Inactive · team 26 · yc_id:795 — Upgrading Your Wine Experience
- [Undermind](https://lemstudio.co/yc-companies/undermind-29573) — **Undermind** · YC Summer 2024 · B2B · Active · yc_id:29573 — An AI agent for scientific research
- [Understood Care](https://lemstudio.co/yc-companies/understood-care-29579) — **Understood Care** · YC Summer 2024 · Healthcare · Active · team 7 · yc_id:29579 — Healthcare personal assistants for Medicare patients.
- [Unfaze AI](https://lemstudio.co/yc-companies/unfaze-ai-13089) — **Unfaze AI** · YC Summer 2020 · B2B · Inactive · team 7 · yc_id:13089 — Create stunning product images and short-form promotional videos 10x…
- [Unflow](https://lemstudio.co/yc-companies/unflow-12890) — **Unflow** · YC Summer 2019 · B2B, Engineering, Product and Design · Inactive · team 5 · yc_id:12890 — The next generation CMS built for mobile apps
- [Unfurl](https://lemstudio.co/yc-companies/unfurl-22675) — **Unfurl** · YC Winter 2021 · Consumer, Food and Beverage · Inactive · team 20 · yc_id:22675 — A virtual food hall that delivers
- [Unhaze](https://lemstudio.co/yc-companies/unhaze-28920) — **Unhaze** · YC Summer 2023 · B2B, Sales · Inactive · team 6 · yc_id:28920 — The right leads at the right time for B2B sales
- [Unicornly](https://lemstudio.co/yc-companies/unicornly-629) — **Unicornly** · YC Winter 2014 · B2B, Finance and Accounting · Inactive · team 2 · yc_id:629 — Unicorn.ly makes fundraising more efficient for both angel investors…
- [Unifold](https://lemstudio.co/yc-companies/unifold-31296) — **Unifold** · YC Winter 2026 · Fintech, Payments · Active · team 3 · yc_id:31296 — Multi-chain deposit and payment infrastructure
- [Unify](https://lemstudio.co/yc-companies/unify-26837) — **Unify** · YC Winter 2023 · B2B, Productivity · Active · team 3 · yc_id:26837 — Models that keep learning
- [Unima](https://lemstudio.co/yc-companies/unima-1023) — **Unima** · YC Winter 2016 · Healthcare, Diagnostics · Inactive · team 26 · yc_id:1023 — Fast and low-cost diagnostics for real time disease surveillance
- [Union Apartment](https://lemstudio.co/yc-companies/union-apartment-12387) — **Union Apartment** · YC Winter 2019 · Real Estate and Construction, Housing and Real Estate · Inactive · team 12 · yc_id:12387 — Furnished Co-living Apartments for International Students, here in…
- [Union54](https://lemstudio.co/yc-companies/union54-24149) — **Union54** · YC Summer 2021 · Fintech · Active · team 17 · yc_id:24149 — Developers of ChitChat, an integrated messaging and payments wallet…
- [UNISON](https://lemstudio.co/yc-companies/unison-25915) — **UNISON** · YC Winter 2022 · Consumer, Virtual and Augmented Reality · Active · team 15 · yc_id:25915 — Live between worlds, in UNISON, using the headset we're building!
- [Unisson](https://lemstudio.co/yc-companies/unisson-31166) — **Unisson** · YC Winter 2026 · B2B, Productivity · Active · team 2 · yc_id:31166 — AI agents that automate B2B software implementation
- [Units](https://lemstudio.co/yc-companies/units-30443) — **Units** · YC Spring 2025 · Education · Active · team 1 · yc_id:30443 — Units builds full-stack AI education infrastructure.
- [Univerbal](https://lemstudio.co/yc-companies/univerbal-28008) — **Univerbal** · YC Winter 2023 · Education · Active · team 3 · yc_id:28008 — Language learning with a conversational AI Tutor
- [Universe](https://lemstudio.co/yc-companies/universe-1808) — **Universe** · YC Winter 2018 · Consumer, Content · Active · team 25 · yc_id:1808 — Design and build any kind of website. On your iPhone or iPad.
- [Unlayer](https://lemstudio.co/yc-companies/unlayer-25522) — **Unlayer** · YC Winter 2022 · B2B, Productivity · Active · team 35 · yc_id:25522 — AI-powered content creation infrastructure for apps
- [Unnyhog](https://lemstudio.co/yc-companies/unnyhog-1075) — **Unnyhog** · YC Winter 2016 · Consumer, Gaming · Inactive · team 1 · yc_id:1075 — Video game development company.We are creating unique and…
- [Uno Wallet](https://lemstudio.co/yc-companies/uno-wallet-31526) — **Uno Wallet** · YC Spring 2026 · Fintech, Payments · Active · team 2 · yc_id:31526 — The AI mobile wallet that replaces Apple Pay
- [Unravel Carbon](https://lemstudio.co/yc-companies/unravel-carbon-25986) — **Unravel Carbon** · YC Winter 2022 · B2B · Active · team 42 · yc_id:25986 — Enterprise software for companies to track & reduce their carbon…
- [Unsaddl](https://lemstudio.co/yc-companies/unsaddl-25958) — **Unsaddl** · YC Winter 2022 · B2B, Human Resources · Acquired · team 10 · yc_id:25958 — education benefits and leave of absence management
- [Unschool](https://lemstudio.co/yc-companies/unschool-23054) — **Unschool** · YC Winter 2021 · Education · Active · team 35 · yc_id:23054 — Learn, Intern and become Industry-Ready
- [Unsiloed AI](https://lemstudio.co/yc-companies/unsiloed-ai-30894) — **Unsiloed AI** · YC Fall 2025 · B2B · Active · team 2 · yc_id:30894 — API for parsing multimodal unstructured data
- [Unsloth AI](https://lemstudio.co/yc-companies/unsloth-ai-29633) — **Unsloth AI** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 12 · yc_id:29633 — Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs.
- [Unstatiq](https://lemstudio.co/yc-companies/unstatiq-28099) — **Unstatiq** · YC Winter 2023 · B2B, Operations · Active · team 2 · yc_id:28099 — Single source of truth for your clinic's finances and supply chain.
- [unSurvey](https://lemstudio.co/yc-companies/unsurvey-23073) — **unSurvey** · YC Winter 2021 · B2B, Engineering, Product and Design · Acquired · team 8 · yc_id:23073 — AI-led market research interviews, no scheduling, instant insights.
- [Untether Labs](https://lemstudio.co/yc-companies/untether-labs-28131) — **Untether Labs** · YC Winter 2023 · Healthcare · Active · team 6 · yc_id:28131 — Scheduling software for digital health clinics to do more with less.
- [Unthread](https://lemstudio.co/yc-companies/unthread-27051) — **Unthread** · YC Summer 2022 · B2B, Productivity · Active · team 7 · yc_id:27051 — Automate support ops natively in Slack
- [Unusual](https://lemstudio.co/yc-companies/unusual-30066) — **Unusual** · YC Fall 2024 · B2B, Marketing · Active · team 4 · yc_id:30066 — Market to AI agents
- [Unwind Me](https://lemstudio.co/yc-companies/unwind-me-738) — **Unwind Me** · YC Summer 2014 · Consumer, Home and Personal · Acquired · team 2 · yc_id:738 — Homejoy for massage
- [UpBanx](https://lemstudio.co/yc-companies/upbanx-25517) — **UpBanx** · YC Winter 2022 · Fintech · Active · team 13 · yc_id:25517 — Brex for D2C Brands and Content Creators in Indonesia
- [Upbeat](https://lemstudio.co/yc-companies/upbeat-195) — **Upbeat** · YC Summer 2010 · Consumer, Content · Inactive · team 2 · yc_id:195 — Upbeat: Building the next generation of Public Relations (PR)
- [Upcall](https://lemstudio.co/yc-companies/upcall-1473) — **Upcall** · YC Winter 2017 · B2B, Sales · Active · team 6 · yc_id:1473 — Upcall provides outbound call professionals as a service. 
- [UPchieve](https://lemstudio.co/yc-companies/upchieve-23429) — **UPchieve** · YC Winter 2021 · Education · Active · team 15 · yc_id:23429 — Connecting low-income HS students with free, 24/7 online tutoring
- [UpCodes](https://lemstudio.co/yc-companies/upcodes-1602) — **UpCodes** · YC Summer 2017 · Real Estate and Construction, Construction · Active · team 35 · yc_id:1602 — AI platform for unifying codes, assemblies, products, and specs
- [UpEquity](https://lemstudio.co/yc-companies/upequity-12625) — **UpEquity** · YC Summer 2019 · Real Estate and Construction, Housing and Real Estate · Active · team 90 · yc_id:12625 — UpEquity gives homebuyers more certainty and power. 
- [Upflow](https://lemstudio.co/yc-companies/upflow-13333) — **Upflow** · YC Winter 2020 · Fintech, Payments · Active · team 50 · yc_id:13333 — Cash collection technology for B2B businesses
- [Upfort](https://lemstudio.co/yc-companies/upfort-1630) — **Upfort** · YC Summer 2017 · B2B, Security · Active · team 38 · yc_id:1630 — Turnkey security & hassle-free cyber insurance from leading insurers
- [Upfront](https://lemstudio.co/yc-companies/upfront-28372) — **Upfront** · YC Winter 2023 · Consumer, Home and Personal · Inactive · team 4 · yc_id:28372 — A personal assistant for every homeowner
- [Upgraded](https://lemstudio.co/yc-companies/upgraded-1202) — **Upgraded** · YC Summer 2016 · Consumer, Consumer Electronics · Active · team 13 · yc_id:1202 — Upgraded helps retailers and carriers sell devices on subscription.
- [UpKeep](https://lemstudio.co/yc-companies/upkeep-1541) — **UpKeep** · YC Winter 2017 · B2B, Office Management · Acquired · team 150 · yc_id:1541 — Mobile-first software for maintenance teams.
- [UpLabs](https://lemstudio.co/yc-companies/uplabs-1002) — **UpLabs** · YC Winter 2016 · B2B, Engineering, Product and Design · Inactive · team 1 · yc_id:1002 — UpLabs is the #1 marketplace for designers & developers to find…
- [Uplane](https://lemstudio.co/yc-companies/uplane-30844) — **Uplane** · YC Fall 2025 · B2B, Marketing · Active · team 26 · yc_id:30844 — Replace marketing agencies with AI
- [Uplift AI](https://lemstudio.co/yc-companies/uplift-ai-30806) — **Uplift AI** · YC Summer 2025 · B2B · Active · team 3 · yc_id:30806 — Foundational Voice Models for regional languages
- [UpLink](https://lemstudio.co/yc-companies/uplink-27153) — **UpLink** · YC Summer 2022 · B2B, Productivity · Acquired · team 4 · yc_id:27153 — Document Collection Software for Accountants, Auditors, and Lawyers
- [Upsolve](https://lemstudio.co/yc-companies/upsolve-12095) — **Upsolve** · YC Winter 2019 · Fintech, Consumer Finance · Active · team 12 · yc_id:12095 — Helping low-income Americans overcome debt and rebuild credit at…
- [Upsolve AI](https://lemstudio.co/yc-companies/upsolve-ai-29182) — **Upsolve AI** · YC Winter 2024 · B2B, Analytics · Active · team 5 · yc_id:29182 — Deploy trustworthy data agent that know your business
- [Upstream](https://lemstudio.co/yc-companies/upstream-28926) — **Upstream** · YC Summer 2023 · B2B, Productivity · Active · team 7 · yc_id:28926 — The first inbox designed for humans and agents
- [Upverter](https://lemstudio.co/yc-companies/upverter-133) — **Upverter** · YC Winter 2011 · B2B, Engineering, Product and Design · Acquired · team 11 · yc_id:133 — The future of hardware design. A marketplace for hardware engineering…
- [Upwave](https://lemstudio.co/yc-companies/upwave-428) — **Upwave** · YC Summer 2012 · B2B, Operations · Active · team 50 · yc_id:428 — Marketing analytics for the world's biggest brand marketers
- [UrbanKisaan](https://lemstudio.co/yc-companies/urbankisaan-13346) — **UrbanKisaan** · YC Winter 2020 · Industrials, Agriculture · Active · team 53 · yc_id:13346 — Foundation models and autonomous chambers for plant biology
- [UroDev Medical](https://lemstudio.co/yc-companies/urodev-medical-1074) — **UroDev Medical** · YC Winter 2016 · Healthcare, Medical Devices · Acquired · team 4 · yc_id:1074 — Devices to improve the quality of life for people with Spinal Cord…
- [URX](https://lemstudio.co/yc-companies/urx-518) — **URX** · YC Summer 2013 · B2B, Engineering, Product and Design · Acquired · team 11 · yc_id:518 — Mobile ads that users like. Acquired by Pinterest in May 2016.
- [User Hero](https://lemstudio.co/yc-companies/user-hero-1890) — **User Hero** · YC Summer 2018 · B2B, Engineering, Product and Design · Inactive · team 3 · yc_id:1890 — A hub for all your user research.
- [Userfox](https://lemstudio.co/yc-companies/userfox-129) — **Userfox** · YC Winter 2011 · B2B, Marketing · Inactive · team 2 · yc_id:129 — User retention as a service.  Drip email
- [UserGems](https://lemstudio.co/yc-companies/usergems-703) — **UserGems** · YC Summer 2014 · B2B, Sales · Active · team 100 · yc_id:703 — The AI Command Center for outbound and ABM
- [Userlens](https://lemstudio.co/yc-companies/userlens-31404) — **Userlens** · YC Spring 2026 · B2B, Productivity · Active · team 4 · yc_id:31404 — Let agents talk to your customers
- [Usul](https://lemstudio.co/yc-companies/usul-29849) — **Usul** · YC Summer 2024 · Government · Active · team 15 · yc_id:29849 — AI Platform for Winning Defense & Government Contracts
- [UtilityScore (formerly Pando)](https://lemstudio.co/yc-companies/utilityscore-formerly-pando-1432) — **UtilityScore (formerly Pando)** · YC Summer 2016 · Consumer, Home and Personal · Inactive · team 6 · yc_id:1432 — API that estimates utility costs for 100M+ homes.
- [V-Flow Medical](https://lemstudio.co/yc-companies/v-flow-medical-24108) — **V-Flow Medical** · YC Summer 2021 · Healthcare, Medical Devices · Inactive · team 4 · yc_id:24108 — Transforming the lives of millions of women suffering from chronic…
- [Vaero](https://lemstudio.co/yc-companies/vaero-28418) — **Vaero** · YC Winter 2023 · Consumer · Active · team 1 · yc_id:28418 — AI for Human Writing
- [Vahan](https://lemstudio.co/yc-companies/vahan-12738) — **Vahan** · YC Summer 2019 · B2B, Recruiting and Talent · Active · team 85 · yc_id:12738 — AI recruiter for India's massive blue-collar workforce
- [Valari](https://lemstudio.co/yc-companies/valari-25513) — **Valari** · YC Winter 2022 · Fintech · Inactive · team 3 · yc_id:25513 — Embedded finance platform for LatAm.
- [ValCtrl](https://lemstudio.co/yc-companies/valctrl-31457) — **ValCtrl** · YC Spring 2026 · Fintech, Banking and Exchange · Active · team 2 · yc_id:31457 — ValCtrl is building the only intelligent prediction market
- [Valence](https://lemstudio.co/yc-companies/valence-31194) — **Valence** · YC Winter 2026 · Fintech, Consumer Finance · Active · team 3 · yc_id:31194 — Unified prediction markets trading platform
- [Valgo](https://lemstudio.co/yc-companies/valgo-31057) — **Valgo** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:31057 — Insurance risk layer for physical AI
- [Validere](https://lemstudio.co/yc-companies/validere-1275) — **Validere** · YC Summer 2016 · Industrials, Energy · Active · team 110 · yc_id:1275 — A carbon MRV solution for energy and hard-to-abate sectors
- [Valienta](https://lemstudio.co/yc-companies/valienta-13486) — **Valienta** · YC Winter 2020 · B2B, Retail · Inactive · team 20 · yc_id:13486 — Helping Dropshippers in Colombia run the business and increase sales
- [Valink Therapeutics](https://lemstudio.co/yc-companies/valink-therapeutics-22764) — **Valink Therapeutics** · YC Winter 2021 · Healthcare, Therapeutics · Active · team 15 · yc_id:22764 — Discovering bispecific antibody drug-conjugates (BsADC) against cancer
- [Valiu](https://lemstudio.co/yc-companies/valiu-12853) — **Valiu** · YC Summer 2019 · Fintech, Payments · Inactive · team 24 · yc_id:12853 — USD mobile banking for LatAm's businesses and people
- [Valo](https://lemstudio.co/yc-companies/valo-12083) — **Valo** · YC Winter 2019 · Industrials, Climate · Active · team 3 · yc_id:12083 — Cutting edge hydrofoil systems for boatbuilders
- [Valor Water Analytics](https://lemstudio.co/yc-companies/valor-water-analytics-836) — **Valor Water Analytics** · YC Winter 2015 · Industrials, Climate · Acquired · team 2 · yc_id:836 — Valor Water Analytics delivers a SaaS platform to utilities to detect…
- [Value Voting](https://lemstudio.co/yc-companies/value-voting-1622) — **Value Voting** · YC Summer 2017 · Government · Inactive · team 2 · yc_id:1622 — Platform to defeat political extremism through strategic primary…
- [ValueMate](https://lemstudio.co/yc-companies/valuemate-30517) — **ValueMate** · YC Spring 2025 · B2B · Active · team 2 · yc_id:30517 — Valuemate automates real estate appraisals with AI 
- [VanGo](https://lemstudio.co/yc-companies/vango-1477) — **VanGo** · YC Winter 2017 · Consumer, Home and Personal · Inactive · team 8 · yc_id:1477 — Uber for Kids
- [Vango AI](https://lemstudio.co/yc-companies/vango-ai-28994) — **Vango AI** · YC Summer 2023 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:28994 — Development platform that makes it 10x easier to improve visual models
- [Vanhawks](https://lemstudio.co/yc-companies/vanhawks-837) — **Vanhawks** · YC Winter 2015 · Consumer, Consumer Electronics · Acquired · team 11 · yc_id:837 — We are making the smart carbon fibre commuting bike and platform for…
- [Vanta](https://lemstudio.co/yc-companies/vanta-1781) — **Vanta** · YC Winter 2018 · B2B, Security · Active · team 700 · yc_id:1781 — Vanta—the proven leader in automated compliance helping startups…
- [VantedgeAI](https://lemstudio.co/yc-companies/vantedgeai-25322) — **VantedgeAI** · YC Winter 2022 · Fintech, Banking and Exchange · Active · team 11 · yc_id:25322 — FundOS — AI operations for fund managers
- [Vantel](https://lemstudio.co/yc-companies/vantel-30357) — **Vantel** · YC Winter 2025 · Fintech, Insurance · Active · team 5 · yc_id:30357 — AI Platform for Commercial Insurance Brokerages
- [Vapi](https://lemstudio.co/yc-companies/vapi-22835) — **Vapi** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 50 · yc_id:22835 — Voice AI for developers.
- [Vapor](https://lemstudio.co/yc-companies/vapor-114) — **Vapor** · YC Summer 2011 · Consumer, Social · Inactive · team 2 · yc_id:114 — In-video advertising.
- [Variance](https://lemstudio.co/yc-companies/variance-27926) — **Variance** · YC Winter 2023 · B2B, Security · Active · team 12 · yc_id:27926 — AI Agents for Fraud Review and Investigations
- [Variant](https://lemstudio.co/yc-companies/variant-29577) — **Variant** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 5 · yc_id:29577 — Creative intelligence
- [Varos](https://lemstudio.co/yc-companies/varos-23967) — **Varos** · YC Summer 2021 · B2B, Analytics · Active · team 9 · yc_id:23967 — AI Business Analysts to gather requirements and optimize processes
- [Vassar Robotics](https://lemstudio.co/yc-companies/vassar-robotics-30511) — **Vassar Robotics** · YC Spring 2025 · Consumer, Consumer Electronics · Active · team 3 · yc_id:30511 — Open-source semi-humanoid dev kit → home data → autonomy → 20h/wk
- [Vastrm](https://lemstudio.co/yc-companies/vastrm-460) — **Vastrm** · YC Summer 2012 · Consumer, Apparel and Cosmetics · Acquired · team 2 · yc_id:460 — Mass customized active apparel. We are building a full turn key…
- [Vathys](https://lemstudio.co/yc-companies/vathys-1823) — **Vathys** · YC Winter 2018 · Industrials, Manufacturing and Robotics · Inactive · team 6 · yc_id:1823 — Accelerating machine learning through software
- [VaultPay](https://lemstudio.co/yc-companies/vaultpay-28977) — **VaultPay** · YC Summer 2023 · Fintech · Active · team 2 · yc_id:28977 — Digital banking platform for the 30 million smartphone users in DRC.
- [Vaya](https://lemstudio.co/yc-companies/vaya-30112) — **Vaya** · YC Fall 2024 · Consumer, Travel, Leisure and Tourism · Active · team 2 · yc_id:30112 — Discover your next vacation for less.
- [Vayable](https://lemstudio.co/yc-companies/vayable-413) — **Vayable** · YC Summer 2012 · Consumer, Travel, Leisure and Tourism · Acquired · team 2 · yc_id:413 — We're building a marketplace for unique travel experiences (it's…
- [VaycayHero](https://lemstudio.co/yc-companies/vaycayhero-478) — **VaycayHero** · YC Winter 2013 · Consumer, Travel, Leisure and Tourism · Acquired · team 55 · yc_id:478 — VaycayHero is a marketplace of professionally managed vacation…
- [Vecindario](https://lemstudio.co/yc-companies/vecindario-26206) — **Vecindario** · YC Winter 2022 · Real Estate and Construction, Housing and Real Estate · Inactive · team 87 · yc_id:26206 — We make it easier for real estate to sell properties and mortgages.
- [Vector](https://lemstudio.co/yc-companies/vector-28178) — **Vector** · YC Winter 2023 · B2B, Marketing · Active · team 20 · yc_id:28178 — Advertising for the new internet
- [Vector Legal](https://lemstudio.co/yc-companies/vector-legal-31000) — **Vector Legal** · YC Winter 2026 · B2B, Legal · Active · team 7 · yc_id:31000 — A premier AI-native law firm & legal operating system for Startups.
- [Vectordash](https://lemstudio.co/yc-companies/vectordash-11939) — **Vectordash** · YC Winter 2019 · Consumer, Gaming · Inactive · team 3 · yc_id:11939 — Play high-end PC games on your laptop by streaming them.
- [VectorShift](https://lemstudio.co/yc-companies/vectorshift-29001) — **VectorShift** · YC Summer 2023 · B2B, Finance and Accounting · Active · team 30 · yc_id:29001 — AI Operating System for Private Market Investors
- [Vectrix](https://lemstudio.co/yc-companies/vectrix-21917) — **Vectrix** · YC Summer 2020 · B2B, Security · Acquired · team 7 · yc_id:21917 — Scan your SaaS apps and instantly identify security issues
- [VedaBio](https://lemstudio.co/yc-companies/vedabio-24840) — **VedaBio** · YC Summer 2021 · Healthcare, Diagnostics · Active · team 30 · yc_id:24840 — CRISPR powered Diagnostics with results in minutes.
- [Veera Health](https://lemstudio.co/yc-companies/veera-health-22970) — **Veera Health** · YC Winter 2021 · Healthcare, Consumer Health and Wellness · Active · team 4 · yc_id:22970 — We treat women with Polycystic Ovary Syndrome in India
- [Veeza AI](https://lemstudio.co/yc-companies/veeza-ai-34761) — **Veeza AI** · YC Fall 2026 · Consumer, Travel, Leisure and Tourism · Active · team 2 · yc_id:34761 — AI tourist visa agent for people with weak passports.
- [Vela](https://lemstudio.co/yc-companies/vela-31264) — **Vela** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31264 — AI Recruiting Coordinator for Executive Search
- [Veles](https://lemstudio.co/yc-companies/veles-29454) — **Veles** · YC Winter 2024 · B2B, Sales · Active · team 5 · yc_id:29454 — CPQ for humans and agents
- [Vellum](https://lemstudio.co/yc-companies/vellum-28115) — **Vellum** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 23 · yc_id:28115
- [Velontra](https://lemstudio.co/yc-companies/velontra-27198) — **Velontra** · YC Summer 2022 · Industrials, Aviation and Space · Active · team 5 · yc_id:27198 — Hypersonic space plane that can take-off from any location and weather
- [Velorum Therapeutics](https://lemstudio.co/yc-companies/velorum-therapeutics-29429) — **Velorum Therapeutics** · YC Winter 2024 · Healthcare, Therapeutics · Active · team 5 · yc_id:29429 — Breakthrough medicines unlocking the biology of heme
- [Velos](https://lemstudio.co/yc-companies/velos-27882) — **Velos** · YC Winter 2023 · B2B, Operations · Active · team 3 · yc_id:27882 — Platform to automate manual back-office work
- [Velt](https://lemstudio.co/yc-companies/velt-25663) — **Velt** · YC Winter 2022 · B2B, Productivity · Active · team 15 · yc_id:25663 — SDK for adding an agent and human governance layer to your product
- [Veltha](https://lemstudio.co/yc-companies/veltha-32352) — **Veltha** · YC Fall 2026 · Fintech, Insurance · Active · team 2 · yc_id:32352 — AI native TPA starting with workers comp
- [Velum Labs](https://lemstudio.co/yc-companies/velum-labs-30876) — **Velum Labs** · YC Winter 2026 · B2B · Active · team 2 · yc_id:30876 — The OS for data quality across any stack
- [Velvet](https://lemstudio.co/yc-companies/velvet-30995) — **Velvet** · YC Fall 2025 · B2B · Active · team 3 · yc_id:30995 — World model datasets and research
- [Vena Medical](https://lemstudio.co/yc-companies/vena-medical-1866) — **Vena Medical** · YC Winter 2018 · Healthcare, Medical Devices · Active · team 7 · yc_id:1866 — Vena Medical is providing physicians with the world's smallest camera…
- [Vena Vitals](https://lemstudio.co/yc-companies/vena-vitals-22206) — **Vena Vitals** · YC Summer 2020 · Healthcare, Medical Devices · Active · team 9 · yc_id:22206 — A small sticker that monitors blood pressure continuously
- [Vendah](https://lemstudio.co/yc-companies/vendah-27969) — **Vendah** · YC Winter 2023 · Consumer · Active · team 8 · yc_id:27969 — Vendah is building a Faire-style marketplace for LATAM’s +50M…
- [Vendease](https://lemstudio.co/yc-companies/vendease-23443) — **Vendease** · YC Winter 2021 · B2B, Supply Chain and Logistics · Active · team 250 · yc_id:23443 — Where restaurants in Africa buy food supplies
- [Vendo](https://lemstudio.co/yc-companies/vendo-32620) — **Vendo** · YC Summer 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:32620 — Let your users build their own features on top of your product
- [Vendoo](https://lemstudio.co/yc-companies/vendoo-25446) — **Vendoo** · YC Winter 2022 · Consumer · Active · team 55 · yc_id:25446 — We help online sellers manage a sales business on multiple platforms. 
- [Vendora](https://lemstudio.co/yc-companies/vendora-28366) — **Vendora** · YC Winter 2023 · B2B, Retail · Active · team 4 · yc_id:28366 — All-in-One Software for the $1T Grocery Industry
- [Vendr](https://lemstudio.co/yc-companies/vendr-12878) — **Vendr** · YC Summer 2019 · B2B, Operations · Acquired · team 50 · yc_id:12878 — The AI negotiation agent to help you save money on SaaS.
- [Vendra](https://lemstudio.co/yc-companies/vendra-29814) — **Vendra** · YC Summer 2024 · Industrials, Manufacturing and Robotics · Active · team 10 · yc_id:29814 — Custom Parts, Manufactured in America 🇺🇸
- [Vendy](https://lemstudio.co/yc-companies/vendy-25726) — **Vendy** · YC Winter 2022 · Fintech, Payments · Active · team 20 · yc_id:25726 — Vendy is a marketplace on WhatsApp
- [VenoStent](https://lemstudio.co/yc-companies/venostent-21816) — **VenoStent** · YC Summer 2020 · Healthcare, Medical Devices · Active · team 17 · yc_id:21816 — Absorbable wrap for blood vessels
- [Venta AI](https://lemstudio.co/yc-companies/venta-ai-28847) — **Venta AI** · YC Summer 2023 · B2B, Sales · Active · team 7 · yc_id:28847 — The compliant AI colleague for sales teams in Europe
- [Ventura](https://lemstudio.co/yc-companies/ventura-31156) — **Ventura** · YC Winter 2026 · Industrials · Active · team 2 · yc_id:31156 — AI Workforce for Distributors and Manufacturers
- [Venu AI](https://lemstudio.co/yc-companies/venu-ai-23191) — **Venu AI** · YC Winter 2021 · B2B · Active · team 5 · yc_id:23191 — Meet qualified leads in person by automating conference production
- [Venue.ink](https://lemstudio.co/yc-companies/venue-ink-25918) — **Venue.ink** · YC Winter 2022 · Fintech, Payments · Active · team 9 · yc_id:25918 — Software for tattoo artists and studios
- [Venuetastic](https://lemstudio.co/yc-companies/venuetastic-174) — **Venuetastic** · YC Winter 2011 · B2B, Office Management · Inactive · team 2 · yc_id:174 — Venue marketplace.
- [Vera Health](https://lemstudio.co/yc-companies/vera-health-29858) — **Vera Health** · YC Summer 2024 · Healthcare, Healthcare Services · Active · team 6 · yc_id:29858 — AI-powered clinical decision support for healthcare providers
- [Verak](https://lemstudio.co/yc-companies/verak-22902) — **Verak** · YC Winter 2021 · Fintech, Insurance · Acquired · team 45 · yc_id:22902 — Better Business Insurance for MSMEs in India
- [Verano Health](https://lemstudio.co/yc-companies/verano-health-24845) — **Verano Health** · YC Summer 2021 · Healthcare · Acquired · team 3 · yc_id:24845 — Nonprofit telehealth coaches for underserved Americans on Medicaid
- [Verata](https://lemstudio.co/yc-companies/verata-28162) — **Verata** · YC Winter 2023 · B2B · Active · team 2 · yc_id:28162 — Network Intelligence for Investors
- [Verbiflow](https://lemstudio.co/yc-companies/verbiflow-30220) — **Verbiflow** · YC Winter 2025 · B2B · Active · team 2 · yc_id:30220 — Outbound Sequencing Infrastructure for Startups
- [Verbling](https://lemstudio.co/yc-companies/verbling-103) — **Verbling** · YC Summer 2011 · Education · Acquired · team 2 · yc_id:103 — Language learning through video chat.
- [Verdant](https://lemstudio.co/yc-companies/verdant-32189) — **Verdant** · YC Summer 2026 · Government · Active · team 2 · yc_id:32189 — AI Agents to Make Local Gov Efficient
- [Verde](https://lemstudio.co/yc-companies/verde-24681) — **Verde** · YC Summer 2021 · Fintech, Credit and Lending · Inactive · team 4 · yc_id:24681 — Digital lending platform for Brazilian farmers
- [Verdex](https://lemstudio.co/yc-companies/verdex-31129) — **Verdex** · YC Winter 2026 · Fintech, Insurance · Active · team 2 · yc_id:31129 — AI Verification for Insurance
- [Verdict Machine](https://lemstudio.co/yc-companies/verdict-machine-33179) — **Verdict Machine** · YC Summer 2026 · B2B, Security · Active · team 4 · yc_id:33179 — AI cybersecurity for financial institutions' digital assets
- [Verge Genomics](https://lemstudio.co/yc-companies/verge-genomics-902) — **Verge Genomics** · YC Summer 2015 · Healthcare, Drug Discovery and Delivery · Active · team 50 · yc_id:902 — We use human data and AI to develop better drugs faster.
- [VergeSense](https://lemstudio.co/yc-companies/vergesense-1587) — **VergeSense** · YC Summer 2017 · Real Estate and Construction, Housing and Real Estate · Active · team 70 · yc_id:1587 — AI-Powered Building Management
- [Veria Labs](https://lemstudio.co/yc-companies/veria-labs-30875) — **Veria Labs** · YC Fall 2025 · B2B, Security · Active · team 3 · yc_id:30875 — Continuous AI pentesting that finds and fixes vulnerabilities
- [Veriad](https://lemstudio.co/yc-companies/veriad-31263) — **Veriad** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31263 — AI operating system for advertising
- [Veriff](https://lemstudio.co/yc-companies/veriff-1876) — **Veriff** · YC Winter 2018 · B2B, Engineering, Product and Design · Active · team 600 · yc_id:1876 — Veriff is a global AI-native identity platform building trust online
- [Verifiable](https://lemstudio.co/yc-companies/verifiable-22321) — **Verifiable** · YC Summer 2020 · Healthcare, Healthcare IT · Active · team 12 · yc_id:22321 — API for healthcare compliance 
- [Verihubs](https://lemstudio.co/yc-companies/verihubs-24180) — **Verihubs** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 63 · yc_id:24180 — AI-powered Deepfake Detection
- [Veritus](https://lemstudio.co/yc-companies/veritus-30797) — **Veritus** · YC Summer 2025 · Fintech, Credit and Lending · Active · team 10 · yc_id:30797 — AI agents for the consumer lending industry
- [Verne Robotics](https://lemstudio.co/yc-companies/verne-robotics-30624) — **Verne Robotics** · YC Summer 2025 · Industrials, Manufacturing and Robotics · Active · team 7 · yc_id:30624 — AI models that teach robots new skills in hours
- [Vernius Systems, Inc.](https://lemstudio.co/yc-companies/vernius-systems-inc-33319) — **Vernius Systems, Inc.** · YC Summer 2026 · Industrials, Defense · Active · team 3 · yc_id:33319 — Mass-deployable radars for air defense
- [Vernox](https://lemstudio.co/yc-companies/vernox-881) — **Vernox** · YC Summer 2015 · Real Estate and Construction, Construction · Inactive · team 2 · yc_id:881 — Production planning software for construction teams.  Like Asana or…
- [Versa](https://lemstudio.co/yc-companies/versa-26703) — **Versa** · YC Summer 2022 · B2B, Finance and Accounting · Active · team 2 · yc_id:26703 — Smart receipts for your business spend
- [Versable](https://lemstudio.co/yc-companies/versable-25541) — **Versable** · YC Winter 2022 · B2B, Retail · Active · team 3 · yc_id:25541 — AI powered product description enhancement for the auto parts industry
- [Verse Medical](https://lemstudio.co/yc-companies/verse-medical-1901) — **Verse Medical** · YC Summer 2018 · Healthcare, Healthcare IT · Active · team 200 · yc_id:1901 — AI-enabled ordering for medical equipment & supplies
- [Verse Therapy](https://lemstudio.co/yc-companies/verse-therapy-29302) — **Verse Therapy** · YC Winter 2024 · Healthcare, Healthcare IT · Acquired · team 3 · yc_id:29302 — Connecting All Ages with Speech Language Pathologists
- [Version Story Compare](https://lemstudio.co/yc-companies/version-story-compare-22790) — **Version Story Compare** · YC Winter 2021 · B2B, Legal · Active · team 30 · yc_id:22790 — Git for Lawyers — now within Claude
- [Versive](https://lemstudio.co/yc-companies/versive-27774) — **Versive** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:27774 — AI-first user research platform
- [Versori](https://lemstudio.co/yc-companies/versori-27683) — **Versori** · YC Winter 2023 · B2B, Infrastructure · Acquired · team 16 · yc_id:27683 — Agentic integrations & automations for enterprise
- [Verto](https://lemstudio.co/yc-companies/verto-12278) — **Verto** · YC Winter 2019 · Fintech, Payments · Active · team 170 · yc_id:12278 — Cross-Border Payments and FX Simplified
- [Veryfi, Inc.](https://lemstudio.co/yc-companies/veryfi-inc-1498) — **Veryfi, Inc.** · YC Winter 2017 · B2B · Active · team 70 · yc_id:1498 — Document AI. One API Call.
- [Vesence](https://lemstudio.co/yc-companies/vesence-30503) — **Vesence** · YC Spring 2025 · B2B · Active · team 10 · yc_id:30503 — AI for High-Stakes Work
- [Vespper](https://lemstudio.co/yc-companies/vespper-30043) — **Vespper** · YC Fall 2024 · B2B, Productivity · Active · team 2 · yc_id:30043 — The best DOCX MCP for agents to edit microsoft word documents
- [Vessel](https://lemstudio.co/yc-companies/vessel-25912) — **Vessel** · YC Winter 2022 · B2B, Engineering, Product and Design · Inactive · team 5 · yc_id:25912 — Developer-first, native integration platform for GTM tools
- [Vest](https://lemstudio.co/yc-companies/vest-796) — **Vest** · YC Winter 2015 · Fintech, Asset Management · Acquired · team 65 · yc_id:796 — Bringing wider access to financial derivatives. 
- [Vestris](https://lemstudio.co/yc-companies/vestris-32751) — **Vestris** · YC Summer 2026 · Real Estate and Construction, Housing and Real Estate · Active · team 2 · yc_id:32751 — AI native platform for real estate closings
- [Vetcove](https://lemstudio.co/yc-companies/vetcove-1184) — **Vetcove** · YC Summer 2016 · B2B, Supply Chain and Logistics · Active · team 170 · yc_id:1184 — Powering the animal health supply chain.
- [Vetnio](https://lemstudio.co/yc-companies/vetnio-30179) — **Vetnio** · YC Winter 2025 · B2B, Productivity · Active · team 6 · yc_id:30179 — AI Copilot that automates admin work for veterinary professionals
- [VetPronto](https://lemstudio.co/yc-companies/vetpronto-838) — **VetPronto** · YC Winter 2015 · Healthcare, Consumer Health and Wellness · Inactive · team 51 · yc_id:838 — On demand veterinary house calls. 
- [VetRec](https://lemstudio.co/yc-companies/vetrec-28893) — **VetRec** · YC Summer 2023 · B2B · Active · team 45 · yc_id:28893 — AI Scribe for veterinarians. Saving time and improving patient care.
- [Vexo](https://lemstudio.co/yc-companies/vexo-36180) — **Vexo** · YC Fall 2026 · Consumer, Consumer Electronics · Active · team 3 · yc_id:36180 — An AI bracelet that remembers your day and acts before you ask.
- [Viacycle](https://lemstudio.co/yc-companies/viacycle-457) — **Viacycle** · YC Summer 2012 · Consumer, Transportation Services · Inactive · team 2 · yc_id:457 — viaCycle makes simple, inexpensive bicycle sharing systems that allow…
- [Viaopt](https://lemstudio.co/yc-companies/viaopt-1797) — **Viaopt** · YC Winter 2018 · B2B, Supply Chain and Logistics · Inactive · team 2 · yc_id:1797 — Uber pool for corporate trucking fleets
- [Vibe](https://lemstudio.co/yc-companies/vibe-29734) — **Vibe** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29734 — Making everyone a software engineer
- [Vibe Kanban](https://lemstudio.co/yc-companies/vibe-kanban-24616) — **Vibe Kanban** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:24616 — Plan and review AI generated code
- [VibeFlow](https://lemstudio.co/yc-companies/vibeflow-30699) — **VibeFlow** · YC Summer 2025 · B2B · Active · team 3 · yc_id:30699 — AI content manager that grows your company's online presence
- [Vibrant Labs](https://lemstudio.co/yc-companies/vibrant-labs-29347) — **Vibrant Labs** · YC Winter 2024 · B2B, Infrastructure · Active · team 6 · yc_id:29347 — Autonomously scaling environments
- [VIDA & Co.](https://lemstudio.co/yc-companies/vida-co-1697) — **VIDA & Co.** · YC Summer 2017 · Consumer, Apparel and Cosmetics · Acquired · team 11 · yc_id:1697 — Platform for unique products produced on-demand at mass-scale
- [Vidcode](https://lemstudio.co/yc-companies/vidcode-1245) — **Vidcode** · YC Summer 2016 · Education · Acquired · team 5 · yc_id:1245 — Coding for teens
- [Viddy](https://lemstudio.co/yc-companies/viddy-27698) — **Viddy** · YC Winter 2023 · B2B · Acquired · team 2 · yc_id:27698 — A new way to create landing pages that is video-native.
- [VideoGen](https://lemstudio.co/yc-companies/videogen-29644) — **VideoGen** · YC Summer 2024 · B2B · Active · team 6 · yc_id:29644 — Create professional videos in minutes with AI, online or via API
- [Videopixie](https://lemstudio.co/yc-companies/videopixie-112) — **Videopixie** · YC Summer 2011 · B2B, Marketing · Active · team 11 · yc_id:112 — Marketplace for Video Production Services.  We help you hire the best…
- [Vidpresso](https://lemstudio.co/yc-companies/vidpresso-648) — **Vidpresso** · YC Winter 2014 · B2B, Infrastructure · Acquired · team 7 · yc_id:648 — Help media companies make quality live video. [Acquired by Facebook]
- [Vidyard](https://lemstudio.co/yc-companies/vidyard-119) — **Vidyard** · YC Summer 2011 · B2B, Marketing · Active · team 201 · yc_id:119 — Video for business.
- [View3](https://lemstudio.co/yc-companies/view3-352) — **View3** · YC Winter 2007 · Industrials, Manufacturing and Robotics · Inactive · yc_id:352
- [Village Labs](https://lemstudio.co/yc-companies/village-labs-29967) — **Village Labs** · YC Summer 2024 · B2B, Human Resources · Active · team 2 · yc_id:29967 — Helping America's businesses become employee owned
- [Vimcal](https://lemstudio.co/yc-companies/vimcal-1936) — **Vimcal** · YC Summer 2018 · B2B, Productivity · Active · team 9 · yc_id:1936 — The world's fastest calendar, beautifully designed for remote teams.
- [Vimmerse](https://lemstudio.co/yc-companies/vimmerse-25818) — **Vimmerse** · YC Winter 2022 · B2B, Engineering, Product and Design · Active · team 10 · yc_id:25818 — Bring your photos to life with Vimmerse
- [Vinci Games](https://lemstudio.co/yc-companies/vinci-games-27055) — **Vinci Games** · YC Summer 2022 · Consumer, Gaming · Active · team 7 · yc_id:27055 — Creating genre-defining multiplayer VR games.
- [Vinco](https://lemstudio.co/yc-companies/vinco-24429) — **Vinco** · YC Summer 2021 · B2B, Human Resources · Active · team 35 · yc_id:24429 — Retaining employees in LatAm via education
- [VINEBOX (Usual Beverage Co.)](https://lemstudio.co/yc-companies/vinebox-usual-beverage-co-983) — **VINEBOX (Usual Beverage Co.)** · YC Winter 2016 · Consumer, Food and Beverage · Inactive · team 11 · yc_id:983 — Wine by the glass, delivered
- [Viraj Aero](https://lemstudio.co/yc-companies/viraj-aero-34904) — **Viraj Aero** · YC Fall 2026 · Industrials, Aviation and Space · Active · yc_id:34904 — Next generation engines for aircraft and data centers
- [Virool](https://lemstudio.co/yc-companies/virool-455) — **Virool** · YC Summer 2012 · B2B, Marketing · Acquired · team 51 · yc_id:455 — Virool provides native video advertising experience for the biggest…
- [Virtually](https://lemstudio.co/yc-companies/virtually-22049) — **Virtually** · YC Summer 2020 · B2B · Inactive · team 5 · yc_id:22049 — The "Shopify" for Online Schools
- [Virtualmin](https://lemstudio.co/yc-companies/virtualmin-343) — **Virtualmin** · YC Winter 2007 · B2B, Infrastructure · Active · team 2 · yc_id:343
- [Visibl Semiconductors](https://lemstudio.co/yc-companies/visibl-semiconductors-31182) — **Visibl Semiconductors** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:31182 — Custom silicon for power electronics
- [Vision Lab](https://lemstudio.co/yc-companies/vision-lab-30542) — **Vision Lab** · YC Spring 2025 · Industrials, Manufacturing and Robotics · Active · team 11 · yc_id:30542 — Industrial data layer for robotics training
- [Visly](https://lemstudio.co/yc-companies/visly-12009) — **Visly** · YC Winter 2019 · B2B, Infrastructure · Acquired · team 6 · yc_id:12009 — Build React components visually
- [Vista Power](https://lemstudio.co/yc-companies/vista-power-29444) — **Vista Power** · YC Winter 2024 · Industrials, Energy · Active · team 3 · yc_id:29444 — Batteries and solar for $0 upfront to help businesses save money
- [Visual One](https://lemstudio.co/yc-companies/visual-one-13177) — **Visual One** · YC Winter 2020 · Consumer, Consumer Electronics · Inactive · team 4 · yc_id:13177 — AI for security cameras
- [Vitable Health](https://lemstudio.co/yc-companies/vitable-health-21986) — **Vitable Health** · YC Summer 2020 · Healthcare, Healthcare Services · Active · team 60 · yc_id:21986 — Affordable care via ICHRA and primary care with visits, meds, labs…
- [Vitalize](https://lemstudio.co/yc-companies/vitalize-27959) — **Vitalize** · YC Winter 2023 · Healthcare · Active · team 28 · yc_id:27959 — Transforming how health systems optimize labor
- [Vitau](https://lemstudio.co/yc-companies/vitau-12854) — **Vitau** · YC Summer 2019 · Healthcare, Healthcare IT · Active · team 55 · yc_id:12854 — Subscription pharmacy for patients with chronic diseases in LatAm. 
- [Vive](https://lemstudio.co/yc-companies/vive-965) — **Vive** · YC Summer 2015 · Consumer, Apparel and Cosmetics · Inactive · team 11 · yc_id:965
- [Viya](https://lemstudio.co/yc-companies/viya-13473) — **Viya** · YC Winter 2020 · Real Estate and Construction, Housing and Real Estate · Inactive · team 22 · yc_id:13473 — Mobile first apartment rentals for LatAm
- [VizeraLabs](https://lemstudio.co/yc-companies/vizeralabs-679) — **VizeraLabs** · YC Summer 2014 · B2B, Retail · Inactive · team 2 · yc_id:679 — Augmented reality through projectors
- [Vizly](https://lemstudio.co/yc-companies/vizly-28931) — **Vizly** · YC Summer 2023 · B2B, Analytics · Inactive · team 2 · yc_id:28931 — Data to insights in seconds
- [Vizy](https://lemstudio.co/yc-companies/vizy-12452) — **Vizy** · YC Summer 2019 · Consumer, Transportation Services · Inactive · team 3 · yc_id:12452 — An all-in-one virtual office for remote teams
- [Vizzly](https://lemstudio.co/yc-companies/vizzly-27195) — **Vizzly** · YC Summer 2022 · B2B, Analytics · Acquired · team 4 · yc_id:27195 — Customer-Facing Analytics for Modern SaaS.
- [vly.ai](https://lemstudio.co/yc-companies/vly-ai-30074) — **vly.ai** · YC Fall 2024 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:30074 — The Lovable & Replit killers
- [Vobi](https://lemstudio.co/yc-companies/vobi-25965) — **Vobi** · YC Winter 2022 · Real Estate and Construction, Construction · Active · team 45 · yc_id:25965 — All-in-one project management software for construction SMBs in Latam
- [Vocality Health](https://lemstudio.co/yc-companies/vocality-health-30203) — **Vocality Health** · YC Winter 2025 · Healthcare, Healthcare Services · Active · team 2 · yc_id:30203 — Voice AI for medical language translation
- [Vocode](https://lemstudio.co/yc-companies/vocode-28118) — **Vocode** · YC Winter 2023 · B2B · Acquired · team 3 · yc_id:28118 — Open source Voice AI
- [Vogent](https://lemstudio.co/yc-companies/vogent-22694) — **Vogent** · YC Summer 2021 · B2B · Acquired · team 3 · yc_id:22694 — Build Voice AI Agents
- [VoiceGem](https://lemstudio.co/yc-companies/voicegem-443) — **VoiceGem** · YC Summer 2012 · B2B, Recruiting and Talent · Acquired · team 2 · yc_id:443 — Voice messaging platform - Acquired by Palantir in 2013
- [Voiceops](https://lemstudio.co/yc-companies/voiceops-1438) — **Voiceops** · YC Winter 2017 · B2B, Sales · Active · team 10 · yc_id:1438 — We help B2C companies learn from every customer interaction
- [VoiceOS](https://lemstudio.co/yc-companies/voiceos-30460) — **VoiceOS** · YC Spring 2025 · Consumer · Active · team 2 · yc_id:30460 — Say it and it's done. Voice is the new OS
- [Voicepanel](https://lemstudio.co/yc-companies/voicepanel-29393) — **Voicepanel** · YC Winter 2024 · B2B, Analytics · Active · team 5 · yc_id:29393 — Evals for products
- [Voicery](https://lemstudio.co/yc-companies/voicery-1851) — **Voicery** · YC Winter 2018 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:1851 — Automated voice acting and emotive speech synthesis with deep neural…
- [Void](https://lemstudio.co/yc-companies/void-29960) — **Void** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:29960 — The open source Cursor alternative
- [VOIQ](https://lemstudio.co/yc-companies/voiq-970) — **VOIQ** · YC Summer 2015 · B2B, Sales · Inactive · team 8 · yc_id:970 — Conversational AI VoiceBots for Business
- [voize](https://lemstudio.co/yc-companies/voize-25691) — **voize** · YC Winter 2022 · B2B, Productivity · Active · team 140 · yc_id:25691 — We build the AI companion for nurses, to create time for care.
- [Voker](https://lemstudio.co/yc-companies/voker-29835) — **Voker** · YC Summer 2024 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:29835 — The Agent Analytics Platform
- [Volansi](https://lemstudio.co/yc-companies/volansi-1457) — **Volansi** · YC Winter 2017 · Industrials, Drones · Acquired · team 85 · yc_id:1457 — Autonomous VTOL delivery solutions.
- [Volantio](https://lemstudio.co/yc-companies/volantio-270) — **Volantio** · YC Winter 2009 · B2B, Marketing · Active · team 19 · yc_id:270 — Post-booking revenue and capacity optimization for airlines…
- [Volaren Inc.](https://lemstudio.co/yc-companies/volaren-inc-37203) — **Volaren Inc.** · YC Fall 2026 · Fintech, Asset Management · Active · team 4 · yc_id:37203 — Volaren collapses the hedge fund model and making it accessible to…
- [Volk Wireless](https://lemstudio.co/yc-companies/volk-wireless-11933) — **Volk Wireless** · YC Winter 2019 · Consumer, Home and Personal · Inactive · yc_id:11933
- [Volopay](https://lemstudio.co/yc-companies/volopay-21817) — **Volopay** · YC Summer 2020 · Fintech, Payments · Active · team 11 · yc_id:21817 — Brex for South East Asia - Corporate cards & automated payments.
- [Volt Health](https://lemstudio.co/yc-companies/volt-health-1485) — **Volt Health** · YC Winter 2017 · Healthcare, Medical Devices · Inactive · team 1 · yc_id:1485 — Volt Health is developing medical devices that deliver electrical…
- [Volta Labs, Inc.](https://lemstudio.co/yc-companies/volta-labs-inc-12085) — **Volta Labs, Inc.** · YC Winter 2019 · Healthcare, Industrial Bio · Active · team 50 · yc_id:12085 — Unlocking the utility of genomics for the world.
- [Voltair](https://lemstudio.co/yc-companies/voltair-31003) — **Voltair** · YC Winter 2026 · Industrials, Drones · Active · team 5 · yc_id:31003 — Autonomous Drones for Earth Observation
- [Voltic](https://lemstudio.co/yc-companies/voltic-26763) — **Voltic** · YC Summer 2022 · Industrials, Climate · Active · team 5 · yc_id:26763 — Electric cargo ships
- [Volumetric](https://lemstudio.co/yc-companies/volumetric-13079) — **Volumetric** · YC Winter 2020 · Healthcare, Industrial Bio · Acquired · team 5 · yc_id:13079 — Volumetric builds living multicellular tissues with a focus on the…
- [Voodoo Manufacturing](https://lemstudio.co/yc-companies/voodoo-manufacturing-1538) — **Voodoo Manufacturing** · YC Winter 2017 · Industrials, Manufacturing and Robotics · Inactive · team 19 · yc_id:1538 — AWS for manufacturing.
- [Vooma](https://lemstudio.co/yc-companies/vooma-27827) — **Vooma** · YC Winter 2023 · B2B, Supply Chain and Logistics · Active · team 40 · yc_id:27827 — Automation platform for logistics
- [Voosh](https://lemstudio.co/yc-companies/voosh-23416) — **Voosh** · YC Winter 2021 · B2B · Active · team 15 · yc_id:23416 — Making Restaurants more data-driven!
- [Voquill](https://lemstudio.co/yc-companies/voquill-31430) — **Voquill** · YC Spring 2026 · Healthcare · Active · team 3 · yc_id:31430 — The agentic OS for medical labs
- [Vorelios](https://lemstudio.co/yc-companies/vorelios-35784) — **Vorelios** · YC Fall 2026 · B2B · Active · team 2 · yc_id:35784 — A foundation model for engineering physics
- [Vori](https://lemstudio.co/yc-companies/vori-13240) — **Vori** · YC Winter 2020 · B2B, Retail · Active · team 29 · yc_id:13240 — Vori is a modern operating system for supermarkets
- [Vortexify](https://lemstudio.co/yc-companies/vortexify-30042) — **Vortexify** · YC Fall 2024 · B2B, Operations · Active · team 2 · yc_id:30042 — Build full-stack applications for business operations with AI
- [Vorticity](https://lemstudio.co/yc-companies/vorticity-12867) — **Vorticity** · YC Summer 2019 · Industrials, Manufacturing and Robotics · Active · team 10 · yc_id:12867 — The Fastest Scientific Computing Platform on the Planet
- [Vote.org](https://lemstudio.co/yc-companies/vote-org-1205) — **Vote.org** · YC Summer 2016 · Consumer · Active · yc_id:1205
- [VotingWorks](https://lemstudio.co/yc-companies/votingworks-12272) — **VotingWorks** · YC Winter 2019 · Government · Active · team 18 · yc_id:12272 — Non-profit building open-source voting machines for US elections.
- [Vouch](https://lemstudio.co/yc-companies/vouch-12504) — **Vouch** · YC Summer 2019 · Fintech, Insurance · Active · team 190 · yc_id:12504 — Insurance and risk management tools for startups and growth-stage…
- [Voxel Energy](https://lemstudio.co/yc-companies/voxel-energy-31219) — **Voxel Energy** · YC Winter 2026 · Industrials, Energy · Active · team 3 · yc_id:31219 — Energy independent data centers with solar and repurposed batteries. 
- [Voxli](https://lemstudio.co/yc-companies/voxli-279) — **Voxli** · YC Winter 2009 · Consumer, Gaming · Inactive · team 2 · yc_id:279
- [VoxOps AI](https://lemstudio.co/yc-companies/voxops-ai-29496) — **VoxOps AI** · YC Winter 2024 · B2B · Active · team 6 · yc_id:29496 — Voice AI for Automotive
- [Voyage Biomedical](https://lemstudio.co/yc-companies/voyage-biomedical-12580) — **Voyage Biomedical** · YC Summer 2019 · Healthcare, Medical Devices · Acquired · team 3 · yc_id:12580 — Using cooling to end brain damage during stroke.
- [VOYGR](https://lemstudio.co/yc-companies/voygr-31271) — **VOYGR** · YC Winter 2026 · B2B · Active · yc_id:31271 — Real-world place intelligence for AI apps and agents
- [Vulcan Technologies](https://lemstudio.co/yc-companies/vulcan-technologies-30794) — **Vulcan Technologies** · YC Summer 2025 · B2B, Legal · Active · team 17 · yc_id:30794 — Secure frontier AI for government & adjacent knowledge work
- [Vybe](https://lemstudio.co/yc-companies/vybe-30404) — **Vybe** · YC Spring 2025 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:30404 — Secure internal apps. Built by AI in seconds. Powered by your data.
- [Vyra](https://lemstudio.co/yc-companies/vyra-36411) — **Vyra** · YC Fall 2026 · Consumer, Content · Active · team 2 · yc_id:36411 — Autonomous video editing for non-editors.
- [Wabi](https://lemstudio.co/yc-companies/wabi-23861) — **Wabi** · YC Summer 2021 · B2B · Inactive · team 3 · yc_id:23861 — We are Shopify for the $15B creator economy in LATAM
- [Waddle Labs](https://lemstudio.co/yc-companies/waddle-labs-31047) — **Waddle Labs** · YC Summer 2026 · Industrials, Manufacturing and Robotics · Active · team 2 · yc_id:31047 — LLMs that control robots
- [Wafer](https://lemstudio.co/yc-companies/wafer-30644) — **Wafer** · YC Summer 2025 · B2B, Engineering, Product and Design · Active · team 15 · yc_id:30644 — AI that makes AI fast
- [Waffle](https://lemstudio.co/yc-companies/waffle-30329) — **Waffle** · YC Spring 2025 · Consumer · Active · team 2 · yc_id:30329 — AI generated podcasts
- [Wagetap](https://lemstudio.co/yc-companies/wagetap-25341) — **Wagetap** · YC Winter 2022 · Fintech, Credit and Lending · Active · team 10 · yc_id:25341 — Advance next payday, and BNPL for bills
- [Wakemate](https://lemstudio.co/yc-companies/wakemate-263) — **Wakemate** · YC Summer 2009 · Consumer, Consumer Electronics · Inactive · team 2 · yc_id:263
- [Wakie](https://lemstudio.co/yc-companies/wakie-1076) — **Wakie** · YC Winter 2016 · Consumer, Social · Active · team 10 · yc_id:1076 — A social app for phone calls. Express yourself and make real friends.
- [Wallbit](https://lemstudio.co/yc-companies/wallbit-28116) — **Wallbit** · YC Winter 2023 · Fintech, Banking and Exchange · Active · team 17 · yc_id:28116 — Neobank for global remote workers
- [Walter](https://lemstudio.co/yc-companies/walter-31466) — **Walter** · YC Spring 2026 · B2B, Operations · Active · yc_id:31466 — AI Employee for Manufacturing Operations
- [Wand Solar](https://lemstudio.co/yc-companies/wand-solar-27078) — **Wand Solar** · YC Summer 2022 · Industrials, Climate · Active · team 2 · yc_id:27078 — We enable landlords to generate income from solar panels.
- [Wanderlog](https://lemstudio.co/yc-companies/wanderlog-12082) — **Wanderlog** · YC Winter 2019 · Consumer, Content · Active · team 5 · yc_id:12082 — Travel planner for researching, organizing, and mapping your trip
- [WANTD](https://lemstudio.co/yc-companies/wantd-25992) — **WANTD** · YC Winter 2022 · Consumer, Apparel and Cosmetics · Active · team 4 · yc_id:25992 — A direct to consumer marketplace and influencer network for brands
- [Wardstone](https://lemstudio.co/yc-companies/wardstone-30881) — **Wardstone** · YC Fall 2025 · Industrials, Aviation and Space · Active · team 8 · yc_id:30881 — The Modular Interceptor Platform
- [WareIQ](https://lemstudio.co/yc-companies/wareiq-21998) — **WareIQ** · YC Summer 2020 · B2B, Supply Chain and Logistics · Active · team 50 · yc_id:21998 — Amazon-prime like logistics for eCommerce companies in India
- [Warmly,](https://lemstudio.co/yc-companies/warmly-22241) — **Warmly,** · YC Summer 2020 · B2B, Sales · Acquired · team 60 · yc_id:22241 — [Acquired by HubSpot in 2026] Autonomous sales platform to auto-email…
- [Warp](https://lemstudio.co/yc-companies/warp-28369) — **Warp** · YC Winter 2023 · B2B · Active · team 80 · yc_id:28369 — AI-native Employee Management Platform for High-Growth Companies
- [WarpBuild](https://lemstudio.co/yc-companies/warpbuild-24344) — **WarpBuild** · YC Summer 2021 · B2B, Engineering, Product and Design · Active · team 8 · yc_id:24344 — Accelerate software development with WarpBuild's 10x faster CI infra.
- [Warpdrive by Synthetic Minds](https://lemstudio.co/yc-companies/warpdrive-by-synthetic-minds-1873) — **Warpdrive by Synthetic Minds** · YC Summer 2018 · B2B, Productivity · Inactive · team 7 · yc_id:1873 — From screen recordings to desktop automations using program synthesis
- [Warpfy](https://lemstudio.co/yc-companies/warpfy-24259) — **Warpfy** · YC Summer 2021 · Consumer, Home and Personal · Active · team 3 · yc_id:24259 — Building Shein of Home: tech-driven, design-mfr Home Lifestyle Brand
- [Warrant](https://lemstudio.co/yc-companies/warrant-24507) — **Warrant** · YC Summer 2021 · B2B, Infrastructure · Acquired · team 3 · yc_id:24507 — Authorization and access control as a service.
- [Wasmer](https://lemstudio.co/yc-companies/wasmer-12675) — **Wasmer** · YC Summer 2019 · B2B, Infrastructure · Active · team 11 · yc_id:12675 — The Operating System for Edge Computing
- [Wasp](https://lemstudio.co/yc-companies/wasp-23452) — **Wasp** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:23452 — Configuration language for building enterprise web apps 10x faster
- [Watchsend](https://lemstudio.co/yc-companies/watchsend-550) — **Watchsend** · YC Summer 2013 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:550 — Videos of your iOS apps
- [WATERFX](https://lemstudio.co/yc-companies/waterfx-1667) — **WATERFX** · YC Summer 2017 · Industrials, Climate · Inactive · team 1 · yc_id:1667 — The world's first 100% sustainable water provider (aka alternative…
- [Waterplan](https://lemstudio.co/yc-companies/waterplan-24590) — **Waterplan** · YC Summer 2021 · B2B · Active · team 20 · yc_id:24590 — Water risk mitigation for industrial sites
- [Wato](https://lemstudio.co/yc-companies/wato-31472) — **Wato** · YC Spring 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31472 — The control point for AI agents at work.
- [Watsi](https://lemstudio.co/yc-companies/watsi-516) — **Watsi** · YC Winter 2013 · Healthcare · Active · team 11 · yc_id:516 — Watsi is the first global crowdfunding platform for medical…
- [Watto AI](https://lemstudio.co/yc-companies/watto-ai-28790) — **Watto AI** · YC Summer 2023 · B2B, Productivity · Acquired · team 3 · yc_id:28790 — AI-powered McKinsey-quality reports in seconds
- [Wattson Health](https://lemstudio.co/yc-companies/wattson-health-29122) — **Wattson Health** · YC Summer 2023 · Healthcare, Healthcare IT · Active · team 3 · yc_id:29122 — AI Voice and SMS Agents for Healthcare
- [Wattvision](https://lemstudio.co/yc-companies/wattvision-268) — **Wattvision** · YC Winter 2009 · Real Estate and Construction, Housing and Real Estate · Inactive · yc_id:268 — Sensors and software for energy tracking. Like 'fitbit' for your…
- [Wave](https://lemstudio.co/yc-companies/wave-4940) — **Wave** · YC Winter 2012 · Fintech, Payments · Active · team 1600 · yc_id:4940 — Mobile money app for Africa
- [Wavedash](https://lemstudio.co/yc-companies/wavedash-30544) — **Wavedash** · YC Spring 2025 · Consumer, Gaming · Active · team 3 · yc_id:30544 — Play the latest games in your browser with no downloads
- [Wavelength](https://lemstudio.co/yc-companies/wavelength-29283) — **Wavelength** · YC Winter 2024 · B2B, Operations · Active · team 3 · yc_id:29283 — Build Magical Customer Experiences
- [Wavy](https://lemstudio.co/yc-companies/wavy-1479) — **Wavy** · YC Winter 2017 · Consumer, Virtual and Augmented Reality · Acquired · yc_id:1479 — Experience music and art in augmented reality
- [Waybill](https://lemstudio.co/yc-companies/waybill-32948) — **Waybill** · YC Summer 2026 · B2B, Supply Chain and Logistics · Active · team 3 · yc_id:32948 — Agentic procurement & inventory for deep tech teams.
- [Wayco](https://lemstudio.co/yc-companies/wayco-31299) — **Wayco** · YC Winter 2026 · B2B, Infrastructure · Active · team 5 · yc_id:31299 — AI operator for medlegal cases
- [Waydev](https://lemstudio.co/yc-companies/waydev-23530) — **Waydev** · YC Winter 2021 · B2B, Productivity · Active · team 13 · yc_id:23530 — Engineering intelligence for AI transformation
- [Wayline](https://lemstudio.co/yc-companies/wayline-30364) — **Wayline** · YC Summer 2025 · Real Estate and Construction · Active · team 5 · yc_id:30364 — AI voice for property managers
- [Waypoint](https://lemstudio.co/yc-companies/waypoint-22665) — **Waypoint** · YC Winter 2021 · B2B · Active · yc_id:22665 — The email API built for product teams
- [Waypoint Transit](https://lemstudio.co/yc-companies/waypoint-transit-30281) — **Waypoint Transit** · YC Winter 2025 · Government · Active · team 2 · yc_id:30281 — We automate urban planning so cities can build cheaper and faster.
- [WaystoCap](https://lemstudio.co/yc-companies/waystocap-1514) — **WaystoCap** · YC Winter 2017 · B2B, Office Management · Acquired · team 38 · yc_id:1514 — We are Alibaba of Africa. We are building a marketplace for African…
- [WayUp](https://lemstudio.co/yc-companies/wayup-801) — **WayUp** · YC Winter 2015 · Consumer, Job and Career Services · Acquired · team 50 · yc_id:801 — Marketplace for employers to recruit college students and recent grads
- [Waza](https://lemstudio.co/yc-companies/waza-28088) — **Waza** · YC Winter 2023 · Fintech, Payments · Active · team 28 · yc_id:28088 — B2B payments platform for emerging markets.
- [Wealor](https://lemstudio.co/yc-companies/wealor-31390) — **Wealor** · YC Spring 2026 · Fintech, Asset Management · Active · yc_id:31390 — AI-native platform for wealth managers
- [WeatherCheck](https://lemstudio.co/yc-companies/weathercheck-11993) — **WeatherCheck** · YC Winter 2019 · Fintech, Insurance · Active · team 10 · yc_id:11993 — WeatherCheck monitors properties for hail damage so that insurance…
- [Weav](https://lemstudio.co/yc-companies/weav-13157) — **Weav** · YC Winter 2020 · B2B, Engineering, Product and Design · Acquired · team 9 · yc_id:13157 — Weav is the universal API for commerce platforms
- [Weave](https://lemstudio.co/yc-companies/weave-720) — **Weave** · YC Summer 2014 · Consumer, Job and Career Services · Inactive · team 11 · yc_id:720 — AI-assisted professional networking.
- [Weave](https://lemstudio.co/yc-companies/weave-630) — **Weave** · YC Winter 2014 · B2B, Office Management · Public · team 600 · yc_id:630 — Customer communication and payments platform.
- [Weave](https://lemstudio.co/yc-companies/weave-30228) — **Weave** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · team 16 · yc_id:30228 — AI to understand and then route engineering work
- [Weave Robotics](https://lemstudio.co/yc-companies/weave-robotics-29692) — **Weave Robotics** · YC Summer 2024 · Industrials, Manufacturing and Robotics · Active · team 26 · yc_id:29692 — Practical and delightful home robots
- [webapp.io](https://lemstudio.co/yc-companies/webapp-io-21906) — **webapp.io** · YC Summer 2020 · B2B, Engineering, Product and Design · Acquired · team 4 · yc_id:21906 — Build webapps faster with 10x better CI/CD + preview envs
- [WebCake](https://lemstudio.co/yc-companies/webcake-568) — **WebCake** · YC Summer 2013 · B2B, Engineering, Product and Design · Inactive · yc_id:568 — Marketing people modify site.
- [Webflow](https://lemstudio.co/yc-companies/webflow-566) — **Webflow** · YC Summer 2013 · B2B, Marketing · Active · team 600 · yc_id:566 — Professional website design and publishing platform. 
- [Webhound](https://lemstudio.co/yc-companies/webhound-29091) — **Webhound** · YC Summer 2023 · Consumer · Active · team 2 · yc_id:29091 — Long-horizon research agents
- [Webiny](https://lemstudio.co/yc-companies/webiny-22533) — **Webiny** · YC Winter 2021 · B2B, Engineering, Product and Design · Active · team 6 · yc_id:22533 — Open-source framework for building serverless applications
- [Wedge](https://lemstudio.co/yc-companies/wedge-30668) — **Wedge** · YC Summer 2025 · Healthcare · Active · team 2 · yc_id:30668 — AI Employees for Healthcare
- [Weebly](https://lemstudio.co/yc-companies/weebly-344) — **Weebly** · YC Winter 2007 · B2B, Marketing · Acquired · team 201 · yc_id:344 — Build a free website that grows with your business.
- [Weekday](https://lemstudio.co/yc-companies/weekday-22719) — **Weekday** · YC Winter 2021 · B2B, Recruiting and Talent · Active · team 38 · yc_id:22719 — AI recruiter that runs outbound sourcing campaigns to find top talent
- [Weekend (fmr. Volley)](https://lemstudio.co/yc-companies/weekend-fmr-volley-1826) — **Weekend (fmr. Volley)** · YC Winter 2018 · Consumer, Gaming · Active · team 80 · yc_id:1826 — AI games and entertainment on TV
- [Weel](https://lemstudio.co/yc-companies/weel-29819) — **Weel** · YC Summer 2024 · Consumer, Transportation Services · Active · team 4 · yc_id:29819 — GPS & dashcam smartphone app
- [Wefunder](https://lemstudio.co/yc-companies/wefunder-503) — **Wefunder** · YC Winter 2013 · Fintech, Asset Management · Active · team 35 · yc_id:503 — We're Robinhood for pre-IPO startups. Everyone can invest $100.
- [Weilos](https://lemstudio.co/yc-companies/weilos-567) — **Weilos** · YC Summer 2013 · Healthcare, Consumer Health and Wellness · Acquired · team 11 · yc_id:567 — Weight loss coaching.
- [Welcome](https://lemstudio.co/yc-companies/welcome-13227) — **Welcome** · YC Winter 2020 · B2B, Operations · Inactive · team 50 · yc_id:13227 — Create jaw dropping virtual events
- [Well Principled](https://lemstudio.co/yc-companies/well-principled-12553) — **Well Principled** · YC Summer 2019 · B2B · Active · team 3 · yc_id:12553 — The neural engine for autonomous robots
- [Weltio](https://lemstudio.co/yc-companies/weltio-26659) — **Weltio** · YC Summer 2022 · Fintech, Asset Management · Inactive · team 15 · yc_id:26659 — First LatAm W3 WealthTech for AutoInvesting in securities & crypto
- [WePay](https://lemstudio.co/yc-companies/wepay-244) — **WePay** · YC Summer 2009 · Fintech, Payments · Acquired · team 400 · yc_id:244 — Payments for platform businesses.
- [WeReno](https://lemstudio.co/yc-companies/wereno-25318) — **WeReno** · YC Winter 2022 · Real Estate and Construction, Construction · Active · team 12 · yc_id:25318 — The AI operating layer for property improvement.
- [Wevorce](https://lemstudio.co/yc-companies/wevorce-505) — **Wevorce** · YC Winter 2013 · Consumer, Home and Personal · Active · team 11 · yc_id:505 — Changing divorce for good by making it a way less horrible experience…
- [weweb.io](https://lemstudio.co/yc-companies/weweb-io-22856) — **weweb.io** · YC Winter 2021 · B2B, Operations · Active · team 12 · yc_id:22856 — WeWeb is the AI app builder your IT team will approve.
- [Whalesync](https://lemstudio.co/yc-companies/whalesync-24384) — **Whalesync** · YC Summer 2021 · B2B, Marketing · Active · team 8 · yc_id:24384 — Manage your website from your favorite tools like Airtable and Notion
- [Whaly](https://lemstudio.co/yc-companies/whaly-24481) — **Whaly** · YC Summer 2021 · B2B, Analytics · Active · team 3 · yc_id:24481 — Whaly is building a self-service analytics platform
- [Whatnot](https://lemstudio.co/yc-companies/whatnot-13208) — **Whatnot** · YC Winter 2020 · Consumer · Active · team 1500 · yc_id:13208 — Whatnot is the largest livestream shopping platform in the U.S.
- [WheelStreet](https://lemstudio.co/yc-companies/wheelstreet-1712) — **WheelStreet** · YC Summer 2017 · Consumer, Transportation Services · Inactive · team 10 · yc_id:1712 — WheelStreet is a Motorbike rental marketplace that connects…
- [Wheelys Café](https://lemstudio.co/yc-companies/wheelys-caf-951) — **Wheelys Café** · YC Summer 2015 · Consumer, Food and Beverage · Inactive · team 11 · yc_id:951 — Worlds smallest and friendliest café franchise. "The Bike-Powered…
- [Whereoscope](https://lemstudio.co/yc-companies/whereoscope-208) — **Whereoscope** · YC Summer 2010 · Consumer, Social · Acquired · team 2 · yc_id:208 — Location-aware smartphone application that enables parents to keep…
- [Whip](https://lemstudio.co/yc-companies/whip-29378) — **Whip** · YC Winter 2024 · Consumer, Social · Active · team 6 · yc_id:29378 — A social feed for interactive AI Creations
- [Whirl](https://lemstudio.co/yc-companies/whirl-721) — **Whirl** · YC Summer 2014 · B2B, Retail · Inactive · team 2 · yc_id:721 — Pay instantly with your fingerprint.
- [Whirlscape](https://lemstudio.co/yc-companies/whirlscape-644) — **Whirlscape** · YC Winter 2014 · Consumer, Social · Inactive · team 3 · yc_id:644 — Mobile keyboards + emoji + deep learning. We make Dango. We also made…
- [WhiteLab Genomics](https://lemstudio.co/yc-companies/whitelab-genomics-26311) — **WhiteLab Genomics** · YC Winter 2022 · Healthcare, Drug Discovery and Delivery · Active · team 40 · yc_id:26311 — Unleashing the potential of DNA and RNA based therapies using AI
- [Whitenoise](https://lemstudio.co/yc-companies/whitenoise-351) — **Whitenoise** · YC Winter 2007 · Consumer, Social · Inactive · team 2 · yc_id:351
- [Whitespace](https://lemstudio.co/yc-companies/whitespace-32617) — **Whitespace** · YC Summer 2026 · B2B, Supply Chain and Logistics · Active · team 2 · yc_id:32617 — AI Operating System for Wholesale Distribution
- [Whiz](https://lemstudio.co/yc-companies/whiz-25515) — **Whiz** · YC Winter 2022 · Fintech, Payments · Inactive · team 9 · yc_id:25515 — Transforming Finances, Maximizing Your Money Potential.
- [Whyd](https://lemstudio.co/yc-companies/whyd-1218) — **Whyd** · YC Summer 2016 · Consumer, Consumer Electronics · Inactive · team 2 · yc_id:1218 — We make a beautiful, great sounding, voice-controlled speaker. 
- [Wibond](https://lemstudio.co/yc-companies/wibond-25665) — **Wibond** · YC Winter 2022 · Fintech, Credit and Lending · Active · team 30 · yc_id:25665 — Affirm for LATAM 
- [Wideframe](https://lemstudio.co/yc-companies/wideframe-31307) — **Wideframe** · YC Winter 2026 · B2B · Active · team 2 · yc_id:31307 — AI coworker for video editors to ship more video faster
- [Wifi Dabba, Inc.](https://lemstudio.co/yc-companies/wifi-dabba-inc-1535) — **Wifi Dabba, Inc.** · YC Winter 2017 · Consumer · Active · team 21 · yc_id:1535 — Decentralised broadband connectivity.
- [Wild Moose](https://lemstudio.co/yc-companies/wild-moose-27890) — **Wild Moose** · YC Winter 2023 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:27890 — Automating root cause analysis with generative AI
- [Wildcard](https://lemstudio.co/yc-companies/wildcard-30318) — **Wildcard** · YC Winter 2025 · B2B, Engineering, Product and Design · Active · yc_id:30318 — AEO/GEO for E-Commerce and Retail
- [Wildfire](https://lemstudio.co/yc-companies/wildfire-1631) — **Wildfire** · YC Summer 2017 · Consumer, Social · Acquired · team 3 · yc_id:1631 — Social news app
- [Willing](https://lemstudio.co/yc-companies/willing-905) — **Willing** · YC Summer 2015 · Consumer, Home and Personal · Acquired · team 10 · yc_id:905 — The best way to make your legal will.
- [Willow](https://lemstudio.co/yc-companies/willow-29666) — **Willow** · YC Spring 2025 · Consumer · Active · team 7 · yc_id:29666 — The voice interface replacing your keyboard
- [Windmill](https://lemstudio.co/yc-companies/windmill-26793) — **Windmill** · YC Summer 2022 · B2B, Infrastructure · Active · team 7 · yc_id:26793 — Open-source platform to turn scripts into internal apps & workflows
- [Windsor](https://lemstudio.co/yc-companies/windsor-11966) — **Windsor** · YC Winter 2019 · B2B · Acquired · team 5 · yc_id:11966 — AI Powered Personalized Videos
- [Windwalk](https://lemstudio.co/yc-companies/windwalk-11981) — **Windwalk** · YC Winter 2019 · Consumer, Gaming · Active · team 25 · yc_id:11981 — Windwalk is the industry leader in building, growing, and operating…
- [winfunc](https://lemstudio.co/yc-companies/winfunc-29750) — **winfunc** · YC Summer 2024 · B2B, Security · Active · team 2 · yc_id:29750 — ai-native security engineering for mission critical codebases
- [Wingback](https://lemstudio.co/yc-companies/wingback-25320) — **Wingback** · YC Winter 2022 · B2B, Infrastructure · Inactive · team 12 · yc_id:25320 — Wingback provides tools and APIs for SaaS pricing and packaging.
- [Wingman](https://lemstudio.co/yc-companies/wingman-12710) — **Wingman** · YC Summer 2019 · B2B, Sales · Acquired · team 10 · yc_id:12710 — Wingman helps inside sales reps with coaching while they're on a call.
- [Wink Health](https://lemstudio.co/yc-companies/wink-health-839) — **Wink Health** · YC Winter 2015 · Healthcare, Consumer Health and Wellness · Inactive · team 2 · yc_id:839 — The digital sleep clinic
- [Winter](https://lemstudio.co/yc-companies/winter-25972) — **Winter** · YC Winter 2022 · B2B, Engineering, Product and Design · Acquired · team 3 · yc_id:25972 — Credit card checkout for NFTs
- [WireOver](https://lemstudio.co/yc-companies/wireover-9) — **WireOver** · YC Winter 2012 · B2B, Productivity · Inactive · team 2 · yc_id:9 — Really secure file sending for big files.
- [Wit.ai](https://lemstudio.co/yc-companies/wit-ai-631) — **Wit.ai** · YC Winter 2014 · B2B, Engineering, Product and Design · Acquired · team 11 · yc_id:631 — Natural Language for Developers --Wit is an API that makes it easy…
- [Within](https://lemstudio.co/yc-companies/within-1891) — **Within** · YC Summer 2018 · B2B · Active · team 128 · yc_id:1891 — Company Brain for people and agents to work in harmony. 
- [Wolfia](https://lemstudio.co/yc-companies/wolfia-26654) — **Wolfia** · YC Summer 2022 · B2B, Sales · Active · team 5 · yc_id:26654 — We help security, legal and sales teams answer customer questions
- [Women Who Code](https://lemstudio.co/yc-companies/women-who-code-1232) — **Women Who Code** · YC Summer 2016 · Unspecified · Active · team 25 · yc_id:1232 — WWCode is a non profit that empowering diverse women to excel in tech.
- [Women.com](https://lemstudio.co/yc-companies/women-com-722) — **Women.com** · YC Summer 2014 · Consumer, Content · Acquired · team 11 · yc_id:722 — Quora/Cosmo for women
- [Wondercraft](https://lemstudio.co/yc-companies/wondercraft-27166) — **Wondercraft** · YC Summer 2022 · B2B, Marketing · Active · team 15 · yc_id:27166 — Create video by chatting to AI
- [Wondering](https://lemstudio.co/yc-companies/wondering-33317) — **Wondering** · YC Summer 2026 · Consumer · Active · team 2 · yc_id:33317 — Duolingo for learning anything
- [WonderTx](https://lemstudio.co/yc-companies/wondertx-31425) — **WonderTx** · YC Summer 2026 · Healthcare, Therapeutics · Active · team 3 · yc_id:31425 — Extrapolative AI to unlock First-in-Class drugs
- [Wordware](https://lemstudio.co/yc-companies/wordware-29649) — **Wordware** · YC Summer 2024 · Consumer · Active · team 15 · yc_id:29649 — AI agents you can rely on
- [Workbase](https://lemstudio.co/yc-companies/workbase-21901) — **Workbase** · YC Summer 2020 · B2B, Productivity · Acquired · yc_id:21901 — Data & workflow platform for B2B account teams
- [WorkClout](https://lemstudio.co/yc-companies/workclout-12275) — **WorkClout** · YC Winter 2019 · B2B, Supply Chain and Logistics · Acquired · team 6 · yc_id:12275 — Safety & quality software for industrial sectors. 
- [Workers IO](https://lemstudio.co/yc-companies/workers-io-35395) — **Workers IO** · YC Fall 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:35395 — Simulation Environments for Verifying Mission Critical Software
- [Workflow86](https://lemstudio.co/yc-companies/workflow86-25995) — **Workflow86** · YC Winter 2022 · B2B, Operations · Active · team 6 · yc_id:25995 — Agentic workflows for complex, long running business operations
- [WorkFlowy](https://lemstudio.co/yc-companies/workflowy-201) — **WorkFlowy** · YC Summer 2010 · B2B, Productivity · Active · team 4 · yc_id:201 — WorkFlowy is a better way to manage information. It provides a simple…
- [WorkLife](https://lemstudio.co/yc-companies/worklife-768) — **WorkLife** · YC Winter 2015 · B2B, Productivity · Acquired · team 2 · yc_id:768 — WorkLife is a SaaS application that helps teams have more effective…
- [Worklytics](https://lemstudio.co/yc-companies/worklytics-1745) — **Worklytics** · YC Winter 2018 · B2B, Analytics · Active · yc_id:1745 — Analytics to improve how teams work and collaborate
- [Workpay](https://lemstudio.co/yc-companies/workpay-13557) — **Workpay** · YC Winter 2020 · B2B, Human Resources · Active · team 130 · yc_id:13557 — Payroll, compliance, benefits, and Employer of Record services for…
- [WorkRamp](https://lemstudio.co/yc-companies/workramp-1187) — **WorkRamp** · YC Summer 2016 · B2B, Human Resources · Acquired · team 106 · yc_id:1187 — The All-in-One Learning Platform 
- [Worksphere](https://lemstudio.co/yc-companies/worksphere-23167) — **Worksphere** · YC Winter 2021 · B2B, Operations · Acquired · team 6 · yc_id:23167 — Manage your hybrid workplace
- [WorldCover](https://lemstudio.co/yc-companies/worldcover-1003) — **WorldCover** · YC Winter 2016 · Fintech, Insurance · Inactive · team 20 · yc_id:1003 — Funding platform for global insurance, starting with crop insurance…
- [Woz](https://lemstudio.co/yc-companies/woz-30321) — **Woz** · YC Winter 2025 · B2B · Active · team 8 · yc_id:30321 — Claude Code plugin that reduces token consumption and cost by 50%
- [Wren](https://lemstudio.co/yc-companies/wren-12076) — **Wren** · YC Summer 2019 · Industrials, Climate · Active · team 10 · yc_id:12076 — Wren is a monthly subscription to offset your carbon footprint.
- [Wright Electric](https://lemstudio.co/yc-companies/wright-electric-1500) — **Wright Electric** · YC Winter 2017 · Industrials, Aviation and Space · Active · team 4 · yc_id:1500 — Boeing for electric planes
- [Writesonic](https://lemstudio.co/yc-companies/writesonic-24526) — **Writesonic** · YC Summer 2021 · B2B, Marketing · Active · team 35 · yc_id:24526 — Track & Boost Your Brand’s Visibility in AI Search
- [WriteWith](https://lemstudio.co/yc-companies/writewith-350) — **WriteWith** · YC Winter 2007 · Consumer, Content · Inactive · team 2 · yc_id:350
- [Wufoo](https://lemstudio.co/yc-companies/wufoo-370) — **Wufoo** · YC Winter 2006 · B2B, Marketing · Acquired · team 11 · yc_id:370 — Online form builder.
- [Wundrbar](https://lemstudio.co/yc-companies/wundrbar-313) — **Wundrbar** · YC Winter 2008 · B2B, Productivity · Inactive · team 2 · yc_id:313
- [Wuri](https://lemstudio.co/yc-companies/wuri-29361) — **Wuri** · YC Winter 2024 · Consumer, Content · Inactive · team 7 · yc_id:29361 — App to read fiction stories as visual novels with images, videos,…
- [Wyndly](https://lemstudio.co/yc-companies/wyndly-22707) — **Wyndly** · YC Winter 2021 · Healthcare, Consumer Health and Wellness · Active · team 10 · yc_id:22707 — Life's better without allergies
- [Wyvern](https://lemstudio.co/yc-companies/wyvern-25060) — **Wyvern** · YC Winter 2022 · Industrials, Aviation and Space · Active · team 26 · yc_id:25060 — High-res hyperspectral pictures of Earth from space
- [X-Zell](https://lemstudio.co/yc-companies/x-zell-840) — **X-Zell** · YC Winter 2015 · Healthcare, Diagnostics · Active · team 19 · yc_id:840 — Early, pain-free cancer detection. 
- [x1](https://lemstudio.co/yc-companies/x1-30111) — **x1** · YC Fall 2024 · Consumer · Active · team 5 · yc_id:30111 — AI app builder for creating and launching iPhone apps
- [Xberts](https://lemstudio.co/yc-companies/xberts-1279) — **Xberts** · YC Summer 2016 · Consumer · Inactive · team 50 · yc_id:1279 — Xberts.com is a community-based marketplace for global hardware…
- [Xendit](https://lemstudio.co/yc-companies/xendit-938) — **Xendit** · YC Summer 2015 · Fintech, Payments · Active · team 700 · yc_id:938 — Provides payment infrastructure for Southeast Asia
- [Xeol](https://lemstudio.co/yc-companies/xeol-28778) — **Xeol** · YC Summer 2023 · B2B, Security · Acquired · team 3 · yc_id:28778 — Close your outdated dependency attack vector
- [Xfers](https://lemstudio.co/yc-companies/xfers-939) — **Xfers** · YC Summer 2015 · Fintech, Payments · Acquired · team 51 · yc_id:939 — Xfers makes it possible for people to make and receive payments via…
- [XGenomes](https://lemstudio.co/yc-companies/xgenomes-12124) — **XGenomes** · YC Winter 2019 · Healthcare, Diagnostics · Active · team 6 · yc_id:12124 — XGenomes is building the sequencing technology of the future. 
- [Xkit](https://lemstudio.co/yc-companies/xkit-1905) — **Xkit** · YC Summer 2018 · B2B, Engineering, Product and Design · Inactive · team 6 · yc_id:1905 — Universal CRM integration for B2B SaaS apps
- [Xobni](https://lemstudio.co/yc-companies/xobni-355) — **Xobni** · YC Summer 2006 · B2B, Productivity · Acquired · team 11 · yc_id:355
- [xPay](https://lemstudio.co/yc-companies/xpay-29448) — **xPay** · YC Winter 2024 · Fintech, Payments · Active · team 3 · yc_id:29448 — International Billing Ops, Sales Tax and Payments for SaaS businesses
- [XTraffic](https://lemstudio.co/yc-companies/xtraffic-29956) — **XTraffic** · YC Summer 2024 · Government · Active · team 3 · yc_id:29956 — Technology for cities to automate and manage their traffic lights.
- [Y Combinator](https://lemstudio.co/yc-companies/y-combinator-64) — **Y Combinator** · YC Unspecified · Fintech · Active · team 100 · yc_id:64 — Make something people want.
- [Y/n](https://lemstudio.co/yc-companies/y-n-28486) — **Y/n** · YC Summer 2023 · Consumer, Content · Active · team 5 · yc_id:28486 — Play your story
- [Yardbook](https://lemstudio.co/yc-companies/yardbook-984) — **Yardbook** · YC Winter 2016 · B2B, Finance and Accounting · Active · yc_id:984 — Marketplace & Software Revolutionizing Yard Care
- [Yarn](https://lemstudio.co/yc-companies/yarn-29510) — **Yarn** · YC Winter 2024 · B2B · Active · team 6 · yc_id:29510 — Yarn is the video product for agentic GTM teams.
- [Yassir](https://lemstudio.co/yc-companies/yassir-13642) — **Yassir** · YC Winter 2020 · Consumer, Transportation Services · Active · team 200 · yc_id:13642 — Yassir is the leading Super App for French Speaking Africa
- [yBANQ](https://lemstudio.co/yc-companies/ybanq-13354) — **yBANQ** · YC Winter 2020 · Fintech, Payments · Acquired · team 9 · yc_id:13354 — yBANQ is building a Bill.com for India to simplify collections and…
- [yearend](https://lemstudio.co/yc-companies/yearend-13108) — **yearend** · YC Winter 2020 · Fintech, Consumer Finance · Active · team 7 · yc_id:13108 — Optimize your equity and taxes in real-time.
- [Yemaachi Biotechnology](https://lemstudio.co/yc-companies/yemaachi-biotechnology-24368) — **Yemaachi Biotechnology** · YC Summer 2021 · Healthcare, Diagnostics · Active · team 16 · yc_id:24368 — Diversifying precision cancer diagnostics and treatments
- [Yenmo](https://lemstudio.co/yc-companies/yenmo-28965) — **Yenmo** · YC Winter 2024 · Fintech, Credit and Lending · Active · team 5 · yc_id:28965 — Secured consumer lending in India
- [YesGraph](https://lemstudio.co/yc-companies/yesgraph-798) — **YesGraph** · YC Winter 2015 · B2B, Marketing · Acquired · team 2 · yc_id:798 — YesGraph recommends exactly who a user should invite to an app. Our…
- [Yezza](https://lemstudio.co/yc-companies/yezza-25359) — **Yezza** · YC Winter 2022 · B2B · Active · yc_id:25359 — Storefronts on WhatsApp in Southeast Asia
- [yhangry](https://lemstudio.co/yc-companies/yhangry-25977) — **yhangry** · YC Winter 2022 · Consumer, Food and Beverage · Active · team 12 · yc_id:25977 — Marketplace for private chefs
- [Yhat](https://lemstudio.co/yc-companies/yhat-799) — **Yhat** · YC Winter 2015 · B2B, Engineering, Product and Design · Acquired · team 17 · yc_id:799 — End-to-end data science lifecycle management platform. 
- [Yondu](https://lemstudio.co/yc-companies/yondu-29402) — **Yondu** · YC Winter 2024 · Industrials, Manufacturing and Robotics · Active · team 12 · yc_id:29402 — Robots to Automate Fulfillment
- [Yoneda Health](https://lemstudio.co/yc-companies/yoneda-health-13548) — **Yoneda Health** · YC Winter 2020 · Healthcare · Active · team 13 · yc_id:13548 — Bloodless, blood diagnostic app
- [Yoneda Labs](https://lemstudio.co/yc-companies/yoneda-labs-29304) — **Yoneda Labs** · YC Winter 2024 · B2B · Active · team 3 · yc_id:29304 — Foundation Model for Chemical Manufacturing
- [Yoshi Mobility](https://lemstudio.co/yc-companies/yoshi-mobility-1298) — **Yoshi Mobility** · YC Summer 2016 · Consumer, Transportation Services · Active · team 125 · yc_id:1298 — Making car ownership and management frictionless.
- [Yotta](https://lemstudio.co/yc-companies/yotta-21950) — **Yotta** · YC Summer 2020 · Fintech, Consumer Finance · Active · team 8 · yc_id:21950 — Save money and win prizes up to $10m through weekly number draws.
- [You Got Listings](https://lemstudio.co/yc-companies/you-got-listings-147) — **You Got Listings** · YC Winter 2011 · Real Estate and Construction, Housing and Real Estate · Active · team 3 · yc_id:147 — All-in-one apartment Marketing Platform for brokerages and landlords.
- [YouArt](https://lemstudio.co/yc-companies/youart-31517) — **YouArt** · YC Spring 2026 · Consumer, Content · Active · team 3 · yc_id:31517 — Patreon for AI Originals
- [YouLearn](https://lemstudio.co/yc-companies/youlearn-30442) — **YouLearn** · YC Spring 2025 · Education · Active · team 4 · yc_id:30442 — AI tutor for each student. 
- [Youlicit](https://lemstudio.co/yc-companies/youlicit-293) — **Youlicit** · YC Summer 2008 · Consumer, Content · Inactive · team 2 · yc_id:293
- [YourChoice Therapeutics](https://lemstudio.co/yc-companies/yourchoice-therapeutics-12355) — **YourChoice Therapeutics** · YC Winter 2019 · Healthcare, Therapeutics · Active · team 3 · yc_id:12355 — YourChoice therapeutics is revolutionizing the contraceptive market…
- [YourMechanic](https://lemstudio.co/yc-companies/yourmechanic-58) — **YourMechanic** · YC Winter 2012 · Consumer, Transportation Services · Acquired · team 115 · yc_id:58 — Car Repairs, Reinvented:a. Mechanic comes to your home or work to fix…
- [YourQuote](https://lemstudio.co/yc-companies/yourquote-22783) — **YourQuote** · YC Winter 2021 · Consumer, Content · Inactive · team 9 · yc_id:22783 — YourQuote is India's largest writing platform
- [YouShift](https://lemstudio.co/yc-companies/youshift-29790) — **YouShift** · YC Winter 2025 · B2B, Human Resources · Active · team 10 · yc_id:29790 — The OS for hospital workforce management
- [YouTeam](https://lemstudio.co/yc-companies/youteam-1837) — **YouTeam** · YC Winter 2018 · B2B, Recruiting and Talent · Acquired · team 34 · yc_id:1837 — We make it easy for startups to hire engineers.
- [Yuma AI](https://lemstudio.co/yc-companies/yuma-ai-28417) — **Yuma AI** · YC Winter 2023 · B2B, Operations · Active · team 26 · yc_id:28417 — The AI Support Agent for Ecommerce
- [Yumbin](https://lemstudio.co/yc-companies/yumbin-592) — **Yumbin** · YC Winter 2014 · B2B, Office Management · Inactive · yc_id:592 — App replaces office vending.
- [YumDots](https://lemstudio.co/yc-companies/yumdots-319) — **YumDots** · YC Winter 2008 · Consumer, Gaming · Inactive · team 2 · yc_id:319
- [Yummy](https://lemstudio.co/yc-companies/yummy-23952) — **Yummy** · YC Summer 2021 · Consumer · Active · team 260 · yc_id:23952 — The everything app for LATAM
- [Yummy Future](https://lemstudio.co/yc-companies/yummy-future-12622) — **Yummy Future** · YC Summer 2019 · Industrials, Manufacturing and Robotics · Active · team 7 · yc_id:12622 — We build robotic workforces for the food & beverage industry.
- [Z1](https://lemstudio.co/yc-companies/z1-23260) — **Z1** · YC Winter 2021 · Fintech, Consumer Finance · Active · team 80 · yc_id:23260 — Digital bank for teenagers in LatAm connected to prepaid card 
- [Zaam](https://lemstudio.co/yc-companies/zaam-13195) — **Zaam** · YC Winter 2020 · B2B, Operations · Inactive · team 2 · yc_id:13195 — Zaam is an end-to-end SaaS solution for business onboarding.
- [Zage](https://lemstudio.co/yc-companies/zage-23659) — **Zage** · YC Summer 2021 · Fintech · Inactive · team 10 · yc_id:23659 — Pay by bank and earn rewards
- [Zalos](https://lemstudio.co/yc-companies/zalos-30945) — **Zalos** · YC Fall 2025 · B2B, Finance and Accounting · Active · team 10 · yc_id:30945 — Hire Zalos AI workers to run your finance department
- [Zanbazaar](https://lemstudio.co/yc-companies/zanbazaar-363) — **Zanbazaar** · YC Summer 2006 · Consumer, Home and Personal · Inactive · team 4 · yc_id:363 — Community-curated catalogs for product recommendations
- [Zapier](https://lemstudio.co/yc-companies/zapier-442) — **Zapier** · YC Summer 2012 · B2B, Productivity · Active · team 700 · yc_id:442 — The easiest way to automate your work.
- [Zaplar](https://lemstudio.co/yc-companies/zaplar-32256) — **Zaplar** · YC Summer 2026 · B2B, Operations · Active · team 3 · yc_id:32256 — Agentic Hotel Operating System
- [Zaraz](https://lemstudio.co/yc-companies/zaraz-13052) — **Zaraz** · YC Winter 2020 · B2B, Engineering, Product and Design · Acquired · team 2 · yc_id:13052 — A third-party manager, built for speed. 
- [Zarna](https://lemstudio.co/yc-companies/zarna-31007) — **Zarna** · YC Fall 2025 · B2B, Finance and Accounting · Active · team 4 · yc_id:31007 — AI Associates for Middle-Market Private Equity 
- [Zatanna](https://lemstudio.co/yc-companies/zatanna-31131) — **Zatanna** · YC Winter 2026 · B2B, Engineering, Product and Design · Active · team 2 · yc_id:31131 — Turning all software into agent-first APIs
- [Zavo](https://lemstudio.co/yc-companies/zavo-30850) — **Zavo** · YC Fall 2025 · B2B · Active · team 8 · yc_id:30850 — Unlocking the world’s most valuable data for frontier AI.
- [Zaymo](https://lemstudio.co/yc-companies/zaymo-29323) — **Zaymo** · YC Winter 2024 · B2B, Marketing · Active · team 13 · yc_id:29323 — Interactive email builder for ecommerce brands
- [zaz⚡️os](https://lemstudio.co/yc-companies/zaz-os-24080) — **zaz⚡️os** · YC Summer 2021 · B2B · Active · team 1 · yc_id:24080 — The custom all-in-one OS for each company.
- [ZBiotics](https://lemstudio.co/yc-companies/zbiotics-1849) — **ZBiotics** · YC Winter 2018 · Healthcare, Consumer Health and Wellness · Active · team 22 · yc_id:1849 — ZBiotics makes genetically engineered probiotics.
- [Zeal](https://lemstudio.co/yc-companies/zeal-12575) — **Zeal** · YC Summer 2019 · Fintech · Active · team 45 · yc_id:12575 — Modern payroll for modern work
- [Zealth](https://lemstudio.co/yc-companies/zealth-23268) — **Zealth** · YC Winter 2021 · Healthcare, Healthcare IT · Active · team 2 · yc_id:23268 — Software for remote monitoring of cancer patients
- [Zeit AI](https://lemstudio.co/yc-companies/zeit-ai-29764) — **Zeit AI** · YC Summer 2024 · B2B, Analytics · Active · team 12 · yc_id:29764 — The autonomous data engineer for the mid-market
- [Zeit Medical](https://lemstudio.co/yc-companies/zeit-medical-24058) — **Zeit Medical** · YC Summer 2021 · Healthcare, Medical Devices · Inactive · team 2 · yc_id:24058 — Immediate stroke detection at home
- [Zeitview](https://lemstudio.co/yc-companies/zeitview-762) — **Zeitview** · YC Winter 2015 · Industrials, Drones · Active · team 200 · yc_id:762 — Inspection software for renewable energy & sustainable infrastructure
- [Zelos Cloud](https://lemstudio.co/yc-companies/zelos-cloud-28810) — **Zelos Cloud** · YC Summer 2023 · B2B, Engineering, Product and Design · Active · team 3 · yc_id:28810 — The Data Platform for Mission‑Critical Systems
- [Zen](https://lemstudio.co/yc-companies/zen-24160) — **Zen** · YC Summer 2021 · Healthcare, Consumer Health and Wellness · Active · yc_id:24160 — Posture correction software
- [Zenamins](https://lemstudio.co/yc-companies/zenamins-733) — **Zenamins** · YC Summer 2014 · Consumer, Food and Beverage · Inactive · team 2 · yc_id:733 — Personalized health company doing customized vitamin packs on…
- [Zenbox](https://lemstudio.co/yc-companies/zenbox-95) — **Zenbox** · YC Summer 2011 · B2B, Productivity · Inactive · team 2 · yc_id:95 — Brings dozens of SaaS's (Mailchimp, Stripe, Shopify, Salesforce,…
- [Zenbu](https://lemstudio.co/yc-companies/zenbu-31368) — **Zenbu** · YC Spring 2026 · B2B, Engineering, Product and Design · Active · team 1 · yc_id:31368 — The browser for agentic development
- [Zencoder](https://lemstudio.co/yc-companies/zencoder-223) — **Zencoder** · YC Winter 2010 · B2B, Infrastructure · Acquired · team 11 · yc_id:223 — Video Encoding API,
Open source video player (video.js)
- [Zendar](https://lemstudio.co/yc-companies/zendar-1684) — **Zendar** · YC Summer 2017 · Industrials, Automotive · Active · team 45 · yc_id:1684 — We make high definition radar allowing self-driving cars to see in…
- [Zenedy](https://lemstudio.co/yc-companies/zenedy-227) — **Zenedy** · YC Winter 2010 · Consumer, Content · Inactive · team 2 · yc_id:227
- [Zenefits](https://lemstudio.co/yc-companies/zenefits-507) — **Zenefits** · YC Winter 2013 · B2B, Human Resources · Acquired · team 500 · yc_id:507 — HR for small businesses: onboarding, payroll and benefits.
- [Zenflow](https://lemstudio.co/yc-companies/zenflow-834) — **Zenflow** · YC Winter 2015 · Healthcare, Medical Devices · Active · team 18 · yc_id:834 — Medical device that provides a more effective, less invasive…
- [Zensors](https://lemstudio.co/yc-companies/zensors-24476) — **Zensors** · YC Summer 2021 · B2B · Active · team 12 · yc_id:24476 — AI to understand and automates the physical world
- [Zentail](https://lemstudio.co/yc-companies/zentail-409) — **Zentail** · YC Summer 2012 · B2B, Supply Chain and Logistics · Active · team 30 · yc_id:409 — We're making ecommerce simple connecting brands with sales channels
- [Zenter](https://lemstudio.co/yc-companies/zenter-348) — **Zenter** · YC Winter 2007 · B2B, Productivity · Acquired · team 2 · yc_id:348 — Zenter is the gmail of slides
- [Zenysis](https://lemstudio.co/yc-companies/zenysis-1096) — **Zenysis** · YC Winter 2016 · Government · Active · team 11 · yc_id:1096 — Building powerful data analysis software for developing countries.
- [Zeo Route Planner](https://lemstudio.co/yc-companies/zeo-route-planner-13352) — **Zeo Route Planner** · YC Winter 2020 · B2B, Supply Chain and Logistics · Active · team 15 · yc_id:13352 — Route Optimisation platform for SMB in delivery & home services.
- [Zeon Systems](https://lemstudio.co/yc-companies/zeon-systems-30434) — **Zeon Systems** · YC Spring 2025 · Industrials, Manufacturing and Robotics · Active · team 5 · yc_id:30434 — AI-powered robotics for scientific lab automation.
- [Zep AI](https://lemstudio.co/yc-companies/zep-ai-29425) — **Zep AI** · YC Winter 2024 · B2B · Active · team 10 · yc_id:29425 — The unified context layer for enterprise data
- [Zephyr Fusion](https://lemstudio.co/yc-companies/zephyr-fusion-31021) — **Zephyr Fusion** · YC Fall 2025 · Industrials, Energy · Active · team 2 · yc_id:31021 — Powering tomorrow's industrial revolution in space
- [Zeplin](https://lemstudio.co/yc-companies/zeplin-922) — **Zeplin** · YC Summer 2015 · B2B, Engineering, Product and Design · Active · team 140 · yc_id:922 — Deliver on the Promise of Design
- [Zepto](https://lemstudio.co/yc-companies/zepto-22721) — **Zepto** · YC Winter 2021 · Consumer, Food and Beverage · Active · team 1300 · yc_id:22721 — 10-Minute Grocery Delivery in India
- [Zergo](https://lemstudio.co/yc-companies/zergo-12657) — **Zergo** · YC Summer 2019 · Healthcare, Diagnostics · Inactive · team 9 · yc_id:12657 — We make a urine test that helps women get pregnant.
- [Zerocater](https://lemstudio.co/yc-companies/zerocater-171) — **Zerocater** · YC Winter 2011 · B2B, Office Management · Active · team 140 · yc_id:171 — Zerocater is revolutionizing how companies feed their employees
- [ZeroDev](https://lemstudio.co/yc-companies/zerodev-27807) — **ZeroDev** · YC Winter 2023 · B2B, Infrastructure · Active · team 5 · yc_id:27807 — Account abstraction wallets as a service
- [ZeroDown](https://lemstudio.co/yc-companies/zerodown-12391) — **ZeroDown** · YC Winter 2019 · Real Estate and Construction, Housing and Real Estate · Acquired · team 13 · yc_id:12391 — Find beautiful homes
- [ZeroEntropy](https://lemstudio.co/yc-companies/zeroentropy-30241) — **ZeroEntropy** · YC Winter 2025 · B2B, Infrastructure · Acquired · team 6 · yc_id:30241 — Artificial Specialized Intelligence
- [Zeroframe](https://lemstudio.co/yc-companies/zeroframe-30016) — **Zeroframe** · YC Fall 2024 · B2B · Inactive · team 2 · yc_id:30016 — Pushing the boundaries of AI
- [zeroheight](https://lemstudio.co/yc-companies/zeroheight-12848) — **zeroheight** · YC Summer 2019 · B2B, Engineering, Product and Design · Active · team 55 · yc_id:12848 — The design system layer for coding agents
- [ZeroMailer](https://lemstudio.co/yc-companies/zeromailer-390) — **ZeroMailer** · YC Summer 2012 · B2B, Productivity · Acquired · team 2 · yc_id:390 — Easy mailing lists
- [ZeroPath](https://lemstudio.co/yc-companies/zeropath-29812) — **ZeroPath** · YC Summer 2024 · B2B, Security · Active · team 10 · yc_id:29812 — Automatically find and fix your software vulnerabilities
- [ZeroSettle](https://lemstudio.co/yc-companies/zerosettle-31119) — **ZeroSettle** · YC Winter 2026 · Fintech, Payments · Active · team 2 · yc_id:31119 — Drop-in Direct Billing SDK for In-App Purchases
- [ZeroStorefront](https://lemstudio.co/yc-companies/zerostorefront-11928) — **ZeroStorefront** · YC Winter 2019 · B2B, Operations · Acquired · team 7 · yc_id:11928 — #1 Data platform for restaurants. Acquired by Thanx
- [Zesty](https://lemstudio.co/yc-companies/zesty-632) — **Zesty** · YC Winter 2014 · B2B, Office Management · Acquired · team 51 · yc_id:632 — Zesty serves delicious, healthy meals from the best local restaurants…
- [ZETA SURGICAL](https://lemstudio.co/yc-companies/zeta-surgical-12632) — **ZETA SURGICAL** · YC Summer 2019 · Healthcare, Medical Devices · Active · yc_id:12632 — Next-Generation Surgical Navigation and Robotics
- [Zettascale Computing](https://lemstudio.co/yc-companies/zettascale-computing-29777) — **Zettascale Computing** · YC Summer 2024 · Industrials · Active · team 2 · yc_id:29777 — Chips for frontier AI
- [Zeus](https://lemstudio.co/yc-companies/zeus-128) — **Zeus** · YC Summer 2011 · Real Estate and Construction, Housing and Real Estate · Acquired · team 200 · yc_id:128 — Tech-enabled property manager focused on corporate rentals; Acquired…
- [Zibra Labs](https://lemstudio.co/yc-companies/zibra-labs-31459) — **Zibra Labs** · YC Spring 2026 · B2B, Infrastructure · Active · team 2 · yc_id:31459 — Distributed runtime for AI workloads at scale
- [Zidisha](https://lemstudio.co/yc-companies/zidisha-633) — **Zidisha** · YC Winter 2014 · Fintech, Credit and Lending · Active · team 1 · yc_id:633 — Direct P2P lending across the international wealth divide.
- [ZiffyHomes](https://lemstudio.co/yc-companies/ziffyhomes-1995) — **ZiffyHomes** · YC Summer 2018 · Real Estate and Construction, Housing and Real Estate · Active · team 57 · yc_id:1995 — ZiffyHomes is managed corporate housing for white collar employees in…
- [Zigfu](https://lemstudio.co/yc-companies/zigfu-77) — **Zigfu** · YC Summer 2011 · Consumer, Gaming · Inactive · team 2 · yc_id:77 — Layer above Kinect.
- [Ziina](https://lemstudio.co/yc-companies/ziina-23271) — **Ziina** · YC Winter 2021 · Fintech, Consumer Finance · Active · team 57 · yc_id:23271 — A digital wallet for the Middle East & North Africa
- [Zillabyte](https://lemstudio.co/yc-companies/zillabyte-37) — **Zillabyte** · YC Winter 2012 · B2B, Engineering, Product and Design · Inactive · team 2 · yc_id:37 — Palantir for sales people
- [Zinc](https://lemstudio.co/yc-companies/zinc-634) — **Zinc** · YC Winter 2014 · B2B, Retail · Active · team 10 · yc_id:634 — The secret backbone of e-commerce. 
- [Zinc Platform](https://lemstudio.co/yc-companies/zinc-platform-1471) — **Zinc Platform** · YC Winter 2017 · Fintech, Insurance · Inactive · team 11 · yc_id:1471 — Insurance Distribution Infrastructure
- [zingbus](https://lemstudio.co/yc-companies/zingbus-22890) — **zingbus** · YC Winter 2021 · Consumer, Transportation Services · Active · team 40 · yc_id:22890 — Platform for bus travel across Indian cities
- [Zip](https://lemstudio.co/yc-companies/zip-21720) — **Zip** · YC Summer 2020 · B2B, Operations · Active · team 500 · yc_id:21720 — The future of B2B spend
- [Zip Phone](https://lemstudio.co/yc-companies/zip-phone-652) — **Zip Phone** · YC Summer 2014 · Consumer, Social · Acquired · team 1 · yc_id:652 — Whatsapp for voice
- [Zipio](https://lemstudio.co/yc-companies/zipio-28) — **Zipio** · YC Winter 2012 · Consumer, Social · Inactive · yc_id:28 — Deal search service
- [Zippi](https://lemstudio.co/yc-companies/zippi-12240) — **Zippi** · YC Summer 2019 · Fintech, Credit and Lending · Active · team 60 · yc_id:12240 — Payment Platform for LatAm Micro and Small Businesses
- [ZipX](https://lemstudio.co/yc-companies/zipx-1529) — **ZipX** · YC Winter 2017 · Consumer, Food and Beverage · Acquired · team 1 · yc_id:1529 — We allow anyone in South East Asia to instantly order any product…
- [Zitara Technologies, Inc.](https://lemstudio.co/yc-companies/zitara-technologies-inc-21788) — **Zitara Technologies, Inc.** · YC Summer 2020 · Industrials, Energy · Active · team 33 · yc_id:21788 — Predictive battery management software for electrified fleets
- [Zoa Research](https://lemstudio.co/yc-companies/zoa-research-29731) — **Zoa Research** · YC Summer 2024 · B2B · Active · team 5 · yc_id:29731 — Powerful quantitative forecasting models
- [Zoios.](https://lemstudio.co/yc-companies/zoios-24416) — **Zoios.** · YC Summer 2021 · B2B, Human Resources · Active · team 8 · yc_id:24416 — Help start- and scale-ups excel at People, Culture and Performance.
- [ZOKO](https://lemstudio.co/yc-companies/zoko-23074) — **ZOKO** · YC Winter 2021 · B2B, Retail · Active · team 18 · yc_id:23074 — Better Business on WhatsApp
- [Zoltar Labs](https://lemstudio.co/yc-companies/zoltar-labs-26876) — **Zoltar Labs** · YC Summer 2022 · B2B · Inactive · team 9 · yc_id:26876 — AI-assisted CX tool built with your knowledge.
- [Zolvo](https://lemstudio.co/yc-companies/zolvo-31385) — **Zolvo** · YC Spring 2026 · Fintech, Credit and Lending · Active · team 3 · yc_id:31385 — AI Back-Office Automation for Commercial Lenders
- [Zomma](https://lemstudio.co/yc-companies/zomma-32154) — **Zomma** · YC Summer 2026 · B2B · Active · team 5 · yc_id:32154 — The AI BPO for financial servies, run by computer-use agents
- [Zoomer](https://lemstudio.co/yc-companies/zoomer-725) — **Zoomer** · YC Summer 2014 · Consumer, Food and Beverage · Inactive · team 51 · yc_id:725 — Outsourced, high volume food delivery.


- [Zorba](https://lemstudio.co/yc-companies/zorba-25573) — **Zorba** · YC Winter 2022 · Real Estate and Construction · Active · yc_id:25573 — AI copilot for real-estate sales teams, powered by proprietary data
- [ZowPow](https://lemstudio.co/yc-companies/zowpow-635) — **ZowPow** · YC Winter 2014 · Consumer, Consumer Electronics · Inactive · team 2 · yc_id:635 — Wireless toy game controllers for mobile games.
- [zPREDICTA](https://lemstudio.co/yc-companies/zpredicta-916) — **zPREDICTA** · YC Summer 2015 · Healthcare, Drug Discovery and Delivery · Acquired · team 2 · yc_id:916 — Patient-derived 3D tissue reconstruction models for preclinical…
- [Zuddl](https://lemstudio.co/yc-companies/zuddl-22266) — **Zuddl** · YC Summer 2020 · B2B · Active · team 120 · yc_id:22266 — Zuddl is a modular platform for events and webinars that helps event…
- [zudo.work](https://lemstudio.co/yc-companies/zudo-work-27492) — **zudo.work** · YC Winter 2023 · B2B, Operations · Active · team 3 · yc_id:27492 — AI Workers for Warranty
- [Zuma](https://lemstudio.co/yc-companies/zuma-24603) — **Zuma** · YC Summer 2021 · B2B · Active · team 50 · yc_id:24603 — We help businesses convert leads into sales in minutes using text
- [Zumo Labs](https://lemstudio.co/yc-companies/zumo-labs-13405) — **Zumo Labs** · YC Winter 2020 · B2B, Engineering, Product and Design · Inactive · team 7 · yc_id:13405 — We generate synthetic data for computer vision models.
- [ZumoDrive](https://lemstudio.co/yc-companies/zumodrive-333) — **ZumoDrive** · YC Summer 2007 · B2B, Productivity · Acquired · team 15 · yc_id:333 — Media in the cloud
- [Zuni](https://lemstudio.co/yc-companies/zuni-29670) — **Zuni** · YC Summer 2024 · B2B, Productivity · Active · team 1 · yc_id:29670 — AI agents for high-value professional work
- [Zymbly](https://lemstudio.co/yc-companies/zymbly-31278) — **Zymbly** · YC Winter 2026 · B2B · Active · yc_id:31278 — The decision-support layer for aviation ops teams to know what to do…
- [Zynq](https://lemstudio.co/yc-companies/zynq-13502) — **Zynq** · YC Winter 2020 · B2B, Productivity · Acquired · team 7 · yc_id:13502 — Office management platform that optimizes your hybrid workplace
- [Zyper](https://lemstudio.co/yc-companies/zyper-1841) — **Zyper** · YC Winter 2018 · B2B, Marketing · Acquired · team 35 · yc_id:1841 — Recreating social networks for brands. 

## Reference sitemaps

- https://lemstudio.co/sitemap.xml
- https://lemstudio.co/yc-companies/feed.xml