YC Winter 2021 Engineering, Product and Design Startups

33 Y Combinator Engineering, Product and Design companies from the Winter 2021 batch — with team size, status, and one-liner for every startup.

Total
33
Active
20
Acquired
6
Shut down
7

Y Combinator's Winter 2021 batch included 33 Engineering, Product and Design startups. Of these, 20 remain active, 6 have been acquired, and 7 have shut down.

  • SBX Robotics (5 people) — Synthetic data for better vision.
  • Runway (20 people) — Easier and more reliable mobile app releases for teams.
  • Segments.ai (8 people) — Build better computer vision models by building better datasets
  • Haystack (6 people) — Delivery Analytics for Software Teams
  • Alokai (100 people) — Frontend Platform for eCommerce
  • Kitemaker (5 people) — A faster and more collaborative alternative to Jira for remote teams
  • FlutterFlow (55 people) — Application Development Platform (Native Mobile + Web Apps)
  • Gigs (150 people) — The OS for Embedded Telecom
  • Taloflow (4 people) — Better, faster tech vendor research
  • Waydev AI (13 people) — Track AI-generated code from commit to production
  • Uiflow (21 people) — No-code platform for enterprise software companies
  • Great Question (41 people) — User research on autopilot.
  • Pyroscope (5 people) — Open source continuous profiling software to debug performance issues
  • Lunatic (2 people) — Operating System for server-side apps
  • authzed (31 people) — Authorization Infrastructure securing AI at OpenAI, Zoom, & more
  • Emerge Tools (9 people) — Supercharge your mobile apps
  • Codeball (3 people) — AI-Powered Code Review
  • Infracost (20 people) — Shift FinOps Left: Proactively Find & Fix Cloud Cost Issues
  • Webiny (6 people) — Open-source framework for building serverless applications
  • Authologic (33 people) — Stripe for online identity verification
  • MagicBell (4 people) — The notification inbox for web/mobile applications.
  • Terra API (25 people) — API for developers and AIs to access health data
  • Triplit (3 people) — The best database for app developers
  • Clay (5 people) — Figma for 3D design
  • Mindee (60 people) — AI Document Understanding API
  • Axolo (2 people) — Improving Developer Experience with Streamlined Code Reviews
  • hoop.dev (3 people) — Code review for DevOps tasks
  • Pensil (4 people) — New-Age White Label Community Platform SDKs and APIs for Games,…
  • Fable (2 people) — The command center for product teams
  • Vapi (50 people) — Voice AI for developers.
  • LightTwist (2 people) — Realistic virtual video studio to record and stream from your browser
  • Wasp (2 people) — Configuration language for building enterprise web apps 10x faster
  • unSurvey (8 people) — AI-led market research interviews, no scheduling, instant insights.

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