Web intelligence for the agentic economy

Cohorts of 2009

Companies whose accelerator cohort started in 2009. 71 companies.

clusterConsumer 24 B2B SaaS 8 Fintech 3 Developer tools 2 Commerce and marketplaces 2 Horizontal AI assistants 1 Robotics and physical world 1 Vertical AI agents 1 AI infra and compute 1 Climate and energy 1 Data for AI 1

sourceY Combinator 42 Techstars 19 Seedcamp 8 500 Global 2

statusAcquired 25 Inactive 21 Active 16 Public 1

Company	Cluster	Program	Status	Last signal
RethinkDB The open source database for the realtime web.	AI infra and computerealtime database engine	Y CombinatorS09	Acquired	checked 2026-08-23