MarkosWebWeb intelligence for the agentic economy

Cohorts of 2011

Companies whose accelerator cohort started in 2011. 256 companies.

clusterConsumer 81B2B SaaS 55Developer tools 25Commerce and marketplaces 23Fintech 9Healthcare and bio 6Security and compliance 6Data for AI 5AI infra and compute 4Vertical AI agents 2Horizontal AI assistants 1Other 1Robotics and physical world 1
sourceY Combinator 105500 Global 90Techstars 57Seedcamp 3SOSV 1
statusAcquired 151Active 64Inactive 37
CompanyClusterProgramStatusLast signal
Proxino

Javascript proxy.

Developer toolsJavaScript debugging and monitoringY CombinatorS11Inactivechecked 2026-08-17
AppHarbor

.NET Cloud Platform as a Service

Developer toolsNET PaaS deployment platformY CombinatorW11Inactivechecked 2026-08-23
Flotype

Third generation of web apps.

Developer toolsReal-time messaging infrastructureY CombinatorW11Inactive2026-08-23
Insight Data Science

Turning PhDs & engineers into data scientists & data engineers

Developer toolsData science bootcamp and fellowshipY CombinatorW11Inactivechecked 2026-08-17