The 50 Developer Tools companies that produced the most founders (2026)
A founder factory is a company whose people leave to start companies of their own. This ranks every company in the graph by how many of its alumni — people who founded it or worked there — went on to found at least one company, counting only ventures started no earlier than the company itself.
Refreshed 2026-09-13 · updates nightly
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| # | Company | Sector | HQ | Founded | Founders | Companies started |
|---|---|---|---|---|---|---|
| 1 | Palantir Technologies | Developer Tools | United States | 2003 | 5 | 21 |
| 2 | MongoDB | Developer Tools | New York City, USA | 2007 | 5 | 6 |
| 3 | Docker | Developer Tools | Palo Alto, USA | 2010 | 4 | 5 |
| 4 | Cloudflare | Developer Tools | San Francisco, USA | 2009 | 4 | 3 |
| 5 | Weaveworks | Developer Tools | London, United Kingdom | 2014 | 4 | 3 |
| 6 | Cursor | Developer Tools | San Francisco, USA | 2022 | 4 | 2 |
| 7 | Athina AI | Developer Tools | — | — | 3 | 4 |
| 8 | GitHub | Developer Tools | San Francisco, USA | 2008 | 3 | 3 |
| 9 | GitLab | Developer Tools | San Francisco, USA | 2011 | 3 | 3 |
| 10 | Loudcloud | Developer Tools | Sunnyvale, USA | 1999 | 3 | 3 |
| 11 | Baseten | Developer Tools | — | — | 3 | 2 |
| 12 | DeepCode | Developer Tools | — | — | 3 | 2 |
| 13 | Graphite | Developer Tools | — | — | 3 | 2 |
| 14 | Neon | Developer Tools | — | — | 3 | 2 |
| 15 | Neon | Developer Tools | — | — | 3 | 2 |
| 16 | Grafana Labs | Developer Tools | New York City, USA | 2014 | 3 | 1 |
| 17 | Hansoft | Developer Tools | — | — | 3 | 1 |
| 18 | OpenHands | Developer Tools | — | — | 3 | 1 |
| 19 | OpenHands AI | Developer Tools | — | — | 3 | 1 |
| 20 | Releasehub | Developer Tools | San Francisco, USA | 2019 | 3 | 1 |
| 21 | Tailscale | Developer Tools | Toronto, Canada | 2019 | 3 | 1 |
| 22 | Mixer Labs | Developer Tools | San Francisco, USA | 2008 | 2 | 5 |
| 23 | Split | Developer Tools | United States | — | 2 | 5 |
| 24 | Portkey | Developer Tools | — | — | 2 | 4 |
| 25 | Ximian | Developer Tools | Boston, USA | 1999 | 2 | 4 |
| 26 | Atlassian | Developer Tools | Sydney, Australia | 2002 | 2 | 3 |
| 27 | Catena | Developer Tools | United States | — | 2 | 3 |
| 28 | Gradient | Developer Tools | — | — | 2 | 3 |
| 29 | Stack Overflow | Developer Tools | — | 2008 | 2 | 3 |
| 30 | Heptio | Developer Tools | United States | — | 2 | 2 |
| 31 | Lob | Developer Tools | San Francisco, USA | 2013 | 2 | 2 |
| 32 | Railway | Developer Tools | San Francisco, USA | 2020 | 2 | 2 |
| 33 | Sentient | Developer Tools | — | — | 2 | 2 |
| 34 | Serverless Stack | Developer Tools | San Francisco, USA | 2017 | 2 | 2 |
| 35 | Twilio | Developer Tools | San Francisco, USA | 2008 | 2 | 2 |
| 36 | Webflow | Developer Tools | San Francisco, USA | 2013 | 2 | 2 |
| 37 | Agency AI | Developer Tools | — | — | 2 | 1 |
| 38 | AgentOps | Developer Tools | — | — | 2 | 1 |
| 39 | Bucket | Developer Tools | — | — | 2 | 1 |
| 40 | CodiumAI | Developer Tools | — | — | 2 | 1 |
| 41 | Hasura | Developer Tools | San Francisco, USA | 2017 | 2 | 1 |
| 42 | LaunchDarkly | Developer Tools | Oakland, USA | 2014 | 2 | 1 |
| 43 | Magnific AI | Developer Tools | — | — | 2 | 1 |
| 44 | Obvious (fka Flatfile) | Developer Tools | — | — | 2 | 1 |
| 45 | Opbeat | Developer Tools | — | — | 2 | 1 |
| 46 | Redalyc | Developer Tools | Mexico | 2002 | 2 | 1 |
| 47 | Replit | Developer Tools | San Francisco, USA | 2016 | 2 | 1 |
| 48 | StackBlitz | Developer Tools | — | — | 2 | 1 |
| 49 | Starburst | Developer Tools | Boston, USA | 2017 | 2 | 1 |
| 50 | Tempo Labs | Developer Tools | — | — | 2 | 1 |