---
canonical: "https://www.softatlas.io/stacks/benchmark/y-combinator-top-companies/developer-engineering"
name: "All Developer & Engineering tools used by the Y Combinator Top companies"
cohort: "Y Combinator Top companies"
category: "Developer & Engineering"
companies_listed: 74
tools_identified: 36
updated: "2026-09-15"
---

# All Developer & Engineering tools used by the Y Combinator Top companies

37 of the 74 companies have at least one Developer & Engineering tool identified, 36 tools in all. Every percentage is a share of the full 74, so every figure is a floor.

Functions: DevOps (4 tools), Integration & iPaaS (5 tools), CI/CD (3 tools), API Management (4 tools), Backend Platforms (11 tools), Frontend Tools (2 tools), Observability & Monitoring (6 tools), IDEs & Code Editors (1 tool).

## The 10 most adopted tools

1. [Tray.io](https://www.softatlas.io/tray-io), 18% (13 companies)
2. [Retool](https://www.softatlas.io/retool), 7% (5 companies)
3. [Sentry](https://www.softatlas.io/sentry), 5% (4 companies)
4. [Bitbucket](https://www.softatlas.io/bitbucket), 4% (3 companies)
5. [Datadog](https://www.softatlas.io/datadog), 4% (3 companies), rated 5/5 on Soft Atlas (1 review)
6. [Fern](https://www.softatlas.io/fern), 4% (3 companies)
7. [Linear](https://www.softatlas.io/linear), 4% (3 companies), rated 5/5 on Soft Atlas (1 review)
8. [Replit](https://www.softatlas.io/replit), 4% (3 companies)
9. [Vercel](https://www.softatlas.io/vercel-inc), 4% (3 companies), rated 5/5 on Soft Atlas (1 review)
10. [Airtable](https://www.softatlas.io/airtable), 3% (2 companies), rated 4/5 on Soft Atlas (3 reviews)

The other 26 are listed for Soft Atlas members at https://www.softatlas.io/stacks/benchmark/y-combinator-top-companies/developer-engineering.

Benchmark: https://www.softatlas.io/stacks/benchmark/y-combinator-top-companies

Source: https://www.softatlas.io/stacks/benchmark/y-combinator-top-companies/developer-engineering