Y Combinator companies
The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,197 companies.
clusterVertical AI agents 898Consumer 821B2B SaaS 787Fintech 633Developer tools 515Healthcare and bio 477Commerce and marketplaces 433Agent infrastructure 350Robotics and physical world 314Data for AI 192Security and compliance 189Horizontal AI assistants 152AI infra and compute 151Climate and energy 123Defense and space 85Other 44
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Bitmovin Powers OTT online video providers with video developer tools. | Developer toolsvideo streaming infrastructure for developers | Y CombinatorS15 | Active | checked 2026-08-17 |
| Font Awesome Icons and social logos for your website. | Developer toolsIcon library and design assets | Y CombinatorS15 | Active | checked 2026-08-23 |
| Heroic Labs Social Infrastructure for Games; Makers of Nakama game server, Satori… | Developer toolsgame server and social infrastructure | Y CombinatorS15 | Active | checked 2026-08-23 |
| SnapMagicAI AI-assisted electronics design | Developer toolsAI-assisted electronics CAD design | Y CombinatorS15 | Active | checked 2026-08-23 |
| Zeplin Deliver on the Promise of Design | Developer toolsdesign collaboration and handoff | Y CombinatorS15 | Active | checked 2026-08-23 |
| Mezmo Observability platform to control all of your log data | Developer toolsobservability and log management | Y CombinatorW15 | Active | checked 2026-08-23 |
| ReadMe Beautiful, personalized, interactive developer hubs | Developer toolsdeveloper documentation and community platform | Y CombinatorW15 | Active | checked 2026-08-23 |
| Sails Co. Full-service web, mobile, & cloud studio providing professional… | Developer toolsWeb framework and studio services | Y CombinatorW15 | Active | checked 2026-08-23 |
| Tara AIAI Meet Tara AI, your new engineering efficiency co-pilot. | Developer toolsengineering metrics and efficiency copilot | Y CombinatorW15 | Active | checked 2026-08-24 |