MarkosWebWeb intelligence for the agentic economy

Cohorts of 2009

Companies whose accelerator cohort started in 2009. 71 companies.

clusterConsumer 24B2B SaaS 8Fintech 3Developer tools 2Commerce and marketplaces 2Horizontal AI assistants 1Robotics and physical world 1Vertical AI agents 1AI infra and compute 1Climate and energy 1Data for AI 1
sourceY Combinator 42Techstars 19Seedcamp 8500 Global 2
statusAcquired 25Inactive 21Active 16Public 1
CompanyClusterProgramStatusLast signal
Fanchatter

FanChatter aggregates, amplifies and empowers fan content on every…

B2B SaaSfan content aggregation and amplificationY CombinatorS09Inactivechecked 2026-08-17
Skysheet

Browser-based spreadsheet.

B2B SaaSBrowser-based spreadsheet softwareY CombinatorW09Inactivechecked 2026-08-17