Active companies
Companies their accelerator lists as active, or whose site is alive. 17,200 companies.
clusterConsumer 1,779B2B SaaS 1,691Fintech 1,477Healthcare and bio 1,404Vertical AI agents 1,377Robotics and physical world 1,231Commerce and marketplaces 1,090Climate and energy 789Other 612Developer tools 546Agent infrastructure 433Security and compliance 395Data for AI 377AI infra and compute 284Horizontal AI assistants 234Defense and space 216
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| COREAI Your AI butler that understands you really well and proactively acts… | Horizontal AI assistantspersonal AI assistant for productivity | Y CombinatorS23 | Active | checked 2026-08-23 |
| KhojAI AI for humans | Horizontal AI assistantsOpen source AI assistant for productivity | Y CombinatorS23 | Active | checked 2026-08-23 |
| LangdockAI The all-in-one AI platform for companies. | Horizontal AI assistantsenterprise AI chat and workflow automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| Obento HealthAI CRM Co-Pilot for Medtech Sales | Horizontal AI assistantsCRM copilot for medtech sales | Y CombinatorS23 | Site unreachable | checked 2026-08-24 |
| UpstreamAI The first inbox designed for humans and agents | Horizontal AI assistantsAI email agent assistant | Y CombinatorS23 | Active | checked 2026-08-23 |
| WebhoundAI Long-horizon research agents | Horizontal AI assistantsLong-horizon research automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| Alphawatch AIAI Discover new opportunities (jobs, deals, investors) | Horizontal AI assistantsAI-powered relationship intelligence platform | Y CombinatorW23 | Active | checked 2026-08-23 |
| BackdropAI AI coworkers for running projects and operations | Horizontal AI assistantsAI project and operations management | Y CombinatorW23 | Active | checked 2026-08-23 |
| EpsilonAI AI Search Engine for Academic Research | Horizontal AI assistantsAI search for academic research | Y CombinatorW23 | Active | checked 2026-08-23 |
| FrigadeAI AI-powered product assistance for modern software teams | Horizontal AI assistantsAI-powered in-app product assistant | Y CombinatorW23 | Active | checked 2026-08-23 |
| LinkGrepAI AI browser copilot for teams | Horizontal AI assistantsAI browser copilot for team collaboration | Y CombinatorW23 | Active | checked 2026-08-23 |
| TypeAI AI-native storytelling studio. | Horizontal AI assistantsAI storytelling assistant for creators | Y CombinatorW23 | Active | checked 2026-08-23 |
| UnifyAI AI teammates for everyone else 🤖 | Horizontal AI assistantsAI teammates for productivity tasks | Y CombinatorW23 | Active | checked 2026-08-23 |
| VaeroAI AI for Human Writing | Horizontal AI assistantsAI writing assistant for personalized style | Y CombinatorW23 | Active, new domain | 2026-08-23 |
| VellumAI Vellum: Your Personal Intelligence | Horizontal AI assistantsPersonal AI assistant with memory | Y CombinatorW23 | Active | checked 2026-08-23 |