Y Combinator companies
The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,198 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 152Climate and energy 123Defense and space 85Other 44
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Gait Building Dev Infra for AI Software Engineers | Developer toolsAI code generation visibility and analytics | Y CombinatorF24 | Inactive | checked 2026-08-17 |
| InvariaAI The next generation logging and observability platform | Developer toolsautomated logging and observability | Y CombinatorS24 | Inactive | checked 2026-08-24 |
| Celest The Vercel of Flutter | Developer toolsBackend-as-a-service for Flutter developers | Y CombinatorW24 | Inactive | checked 2026-08-23 |
| EnginesAI Setup any repo with one command | Developer toolsAI-powered repository setup and containerization | Y CombinatorW24 | Inactive | checked 2026-08-23 |
| Fileforge API For PDF Document Workflows | Developer toolsPDF document workflow API | Y CombinatorW24 | Inactive | 2026-08-23 |
| Quary The first in-browser analytics engineering platform | Developer toolsAnalytics engineering IDE | Y CombinatorW24 | Inactive | checked 2026-08-17 |
| Stitch Technologies - | Developer toolsEngineering collaboration and design systems | Y CombinatorW24 | Inactive | checked 2026-08-17 |
| ToolifyAI Build internal tools with AI | Developer toolsAI-powered internal tool builder | Y CombinatorW24 | Inactive | checked 2026-08-17 |