YC companies funded in 2013

Batches in 2013

• Summer 2013 — 52 companies
• Winter 2013 — 46 companies

All 2013 YC companies by team size

• DoorDash (Summer 2013 · 8600 people) — Restaurant delivery.
• Fivetran (Winter 2013 · 1200 people) — The leader in automated data movement
• Webflow (Summer 2013 · 600 people) — Professional website design and publishing platform.
• Zenefits (Winter 2013 · 500 people) — HR for small businesses: onboarding, payroll and benefits.
• Heap (Winter 2013 · 388 people) — Captures user interactions with no code to generate analytics.
• Panorama Education (Summer 2013 · 350 people) — Improving education for every student.
• InfluxData (Winter 2013 · 210 people) — The platform for building and operating time series applications.
• Teespring (Winter 2013 · 201 people) — IMPORTANT: The original YC founders are no longer involved with this…
• Le Tote (Summer 2013 · 201 people) — Subscription service for women's apparel & accessories.
• Lob (Summer 2013 · 150 people) — Lob is the only automation platform that transforms direct mail into…
• CoreOS (Summer 2013 · 150 people) — Open source tools of modern distributed systems.
• Goldbelly (Winter 2013 · 125 people) — Empowering restaurants and small food makers to ship nationwide.
• RADAR (Winter 2013 · 120 people) — RADAR is building technology to completely transform the in-store…
• BuildZoom (Winter 2013 · 100 people) — BuildZoom is a better way to remodel. We connect homeowners to the…
• Arcus (Summer 2013 · 100 people) — Payment-as-a-service that helps any business launch payment solutions
• True Link (Summer 2013 · 100 people) — Financial Services for Financial Caregivers.
• Strikingly (Winter 2013 · 99 people) — The easiest way to create a beautiful, mobile optimized website.
• Bitnami (Winter 2013 · 75 people) — The App Store for Server Software
• Padlet (Winter 2013 · 65 people) — Papyrus → Parchment → Paper → Padlet
• SimpleLegal (Summer 2013 · 60 people) — Legal Operations for corporate legal teams.
• VaycayHero (Winter 2013 · 55 people) — VaycayHero is a marketplace of professionally managed vacation…
• North (Winter 2013 · 51 people) — Wearable computing hardware: biosignal gesture recognition
• SpoonRocket (Summer 2013 · 51 people) — Meals Delivered in 10 Minutes
• Cratejoy (Summer 2013 · 51 people) — Cratejoy is the platform for subscriptions
• GrepData (Winter 2013 · 51 people) — Big Data Analytics
• Kalibrr (Winter 2013 · 51 people) — Kalibrr connects SEAsian talent to your local & global jobs.
• Airware (Winter 2013 · 51 people) — Airware provides end-to-end solutions that enable enterprises to…
• EasyPost (Summer 2013 · 51 people) — The shipping infrastructure of the internet.
• FlightCar (Winter 2013 · 51 people) — FlightCar is the Airbnb of Car Rentals at Airports. We allow people…
• Scuba (Winter 2013 · 51 people) — Analytics for impatient people.
• Apptimize (Summer 2013 · 50 people) — Apptimize lets mobile teams innovate faster to create an amazing user…
• Casetext (Summer 2013 · 50 people) — We make the world's laws free and understandable.
• Estimote, Inc. (Summer 2013 · 40 people) — Location intelligence platform
• SimplyInsured (Winter 2013 · 35 people) — We sell health insurance to small businesses 100% online.
• Wefunder (Winter 2013 · 35 people) — We're Robinhood for pre-IPO startups. Everyone can invest $100.
• Semantics3 (Winter 2013 · 25 people) — Data and AI platform for Ecommerce & Cross-Border Logistics
• Senic (Summer 2013 · 16 people) — Simple Controls for Sonos, Philips Hue and other Smart Home products
• Lollipuff (Winter 2013 · 11 people) — Online Auctions for Authentic (Women's) Designer Goods
• Buttercoin (Summer 2013 · 11 people) — Bitcoin Marketplace
• Datarank (Summer 2013 · 11 people) — Making sense of social data. (Acquired by SimplyMeasured.)
• Watsi (Winter 2013 · 11 people) — Watsi is the first global crowdfunding platform for medical…
• Wevorce (Winter 2013 · 11 people) — Changing divorce for good by making it a way less horrible experience…
• Coin (Winter 2013 · 11 people) — A mobile wallet that allows you to pay everywhere credit cards are…
• 7cups (Summer 2013 · 11 people) — 7 Cups is an emotional support service that matches up people that…
• Hackermeter (Summer 2013 · 11 people) — Replacing resume screening with code challenges.
• Hum (Summer 2013 · 11 people) — A chat program that integrates with email, with presence.
• Lumoid (Summer 2013 · 11 people) — We are a try before you buy service for consumer electronics.
• URX (Summer 2013 · 11 people) — Mobile ads that users like. Acquired by Pinterest in May 2016.
• Teleborder (Summer 2013 · 11 people) — Dashboard for companies to manage immigration for their employees.
• Meta (Summer 2013 · 11 people) — Augmented reality glasses.
• Reebee (Summer 2013 · 11 people) — Flyer app.
• Etleap (Winter 2013 · 11 people) — Etleap is an ETL solution for creating perfect data pipelines.
• Weilos (Summer 2013 · 11 people) — Weight loss coaching.
• Medisas (Winter 2013 · 11 people) — Medisas builds workflow & collaboration software for hospitals.
• BloomThat (Summer 2013 · 11 people) — Uber for Flowers.
• StyleUp (Winter 2013 · 10 people) — StyleUp brings effortless joy to getting dressed with daily,…
• RealCrowd (Summer 2013 · 9 people) — Direct real estate investing marketplace
• CrowdMed (Winter 2013 · 5 people) — CrowdMed harnesses the wisdom of crowds to solve difficult medical…
• Asseta (Summer 2013 · 4 people) — Marketplace for industrial spare parts and capital equipment.
• Echo Locker (Summer 2013 · 2 people) — Android lock screen
• Cheetah (Winter 2013 · 2 people) — Fastest, easiest, and most affordable way for small business owners…
• Layer By Layer (Summer 2013 · 2 people) — Acquired by MakerBot in February 2014. A marketplace for 3D…
• Ixiplay (Summer 2013 · 2 people) — Engaging, expressive & Android hackable robot buddy for playful…
• Swish (Winter 2013 · 2 people) — Kickstarter for physical products. Shop exclusive product launches.
• CircuitLab (Winter 2013 · 2 people) — Online circuit simulator and electronic schematic editor.
• Trainzen (Winter 2013 · 2 people) — Educational assessments made easy. Eliminating paper-based exams in…
• Prophecy Sciences (Winter 2013 · 2 people) — Predicting workplace performance through neuroscience
• Crowdery (Summer 2013 · 2 people) — [Now Clara, YC S14- claralabs.com]
• GoComm (Summer 2013 · 2 people) — Mobile communications platform for teams working on live events
• LocalOn (Summer 2013 · 2 people) — Web marketing for SMBs & merchants associations.
• Floobits (Summer 2013 · 2 people) — Real-time collaborative editing in the browser with support for…
• Amulyte (Summer 2013 · 2 people) — Remote monitoring & activity tracking system for seniors.
• SoundFocus (Summer 2013 · 2 people) — We are giving you 20/20 hearing when listening to the devices you…
• Graft Concepts (Summer 2013 · 2 people) — Graft Concepts makes unique iPhone cases and other mobile accessories
• Screenhero (Winter 2013 · 2 people) — Collaborative Screen Sharing — you each get your own mouse, and…
• Watchsend (Summer 2013 · 2 people) — Videos of your iOS apps
• PayTango (Winter 2013 · 2 people) — Simple invoicing
• Bop.fm (Summer 2013 · 2 people) — Canonical permalinks for songs.
• BeatDeck (Winter 2013 · 2 people) — Music, Metrics... Meritocracy. (Upload Music, Connect your Social…
• Kivo (Summer 2013 · 2 people) — Git for Documents
• Meldium (Winter 2013 · 2 people) — Simple password & identity management for teams. Acquired by LogMeIn…
• Swapbox (Winter 2013 · 2 people) — Stop missing deliveries. Ship to Swapbox and pick up at our kiosks.
• MedXT (Winter 2013 · 2 people) — Radiology in the cloud. X-rays, CAT scans, MRI's, and…
• Glio (Summer 2013 · 2 people) — Amazon Marketplace for Latin America
• Butter Systems (Summer 2013 · 2 people) — Replacing the paper restaurant menu with an interactive experience at…
• Posmetrics (Winter 2013 · 2 people) — Ultra-short feedback surveys on tablets mounted in businesses. Higher…
• StackMachine (Summer 2013 · 2 people) — Instant sandboxed server environments
• FanHero (Summer 2013 · 1 people)
• One Month (Summer 2013 · 1 people) — One Month's affordable online bootcamps teach people how to code in…
• Experiment (Winter 2013 · 1 people) — crowdfunding platform for science
• Lawdingo (Winter 2013) — Lawdingo provides virtual paralegal services to law firms.
• Logiblock (Winter 2013) — Logiblock engineers electronics and development tools to dramatically…
• Standard Treasury (Summer 2013) — Banking APIs; acquired by Silicon Valley Bank in August 2015
• StatusPage (Summer 2013) — The best way to communicate with users around downtime.
• Audobox (Summer 2013) — Audobox is a developer and user friendly tool for in-app feedback.
• RoverRide (Winter 2013) — A universal urban transit app. Given all transportation options…
• Appcubator (Winter 2013) — The easiest way to prototype web applications.
• WebCake (Summer 2013) — Marketing people modify site.