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The Y Combinator Top companies stack
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Developer & Engineering
All Developer & Engineering tools
36
tools · used by
37 of 74
companies · updated Sep 2026
All
DevOps
Integration & iPaaS
CI/CD
API Management
Backend Platforms
Frontend Tools
Observability & Monitoring
IDEs & Code Editors
All
DevOps
Integration & iPaaS
CI/CD
API Management
Backend Platforms
Frontend Tools
Observability & Monitoring
IDEs & Code Editors
10 shown
01
Tray.io
18%
· 13
02
Retool
7%
· 5
03
Sentry
5%
· 4
04
Bitbucket
4%
· 3
05
Datadog
4%
· 3
06
Fern
4%
· 3
07
Linear
4%
· 3
08
Replit
4%
· 3
09
Vercel
4%
· 3
10
Airtable
3%
· 2
All Developer & Engineering tools used by the Y Combinator Top companies | Soft Atlas