head to head · open source
composio vs rea
composio has 30,473 GitHub stars, 4,847 forks, 88 open issues and last shipped yesterday. rea has 29,472 stars, 3,500 forks, 70 open issues and last shipped today. composio leads on adoption by 3% (30,473 vs 29,472 stars). composio is written in TypeScript under MIT; rea is written in TypeScript under MIT. composio has attracted 16% as many forks as stars, rea 12%. rea was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai-agents, developer-tools, llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| composio | rea | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 29K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-08 | 2026-10-09 |
| Forks | ⑂ 4.8K | ⑂ 3.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick composio if
- You weight community size — 30K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick rea if
- You want the rea feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and rea fits your workflow better
About composio
Composio is an MIT licensed agent toolkit platform, distributed as TypeScript and Python SDKs, that gives AI agents more than 1,000 pre authenticated toolkits, per user sessions, authentication, triggers, and a sandbox for turning intent into action across real applications.
read the full composio overview →
About rea
REA is an open source MCP server and CLI that lets AI coding agents — and your terminal — reverse engineer native binaries, JavaScript and Electron apps, .NET assemblies, and websites, with evidence attached to every conclusion.
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Frequently asked questions
Is composio or rea more popular?
composio has 30,473 GitHub stars and rea has 29,472. composio has the larger community by that measure.
Are composio and rea free?
Both are open source. composio is licensed under MIT and rea under MIT. Neither carries a licence fee.
What is the difference between composio and rea?
composio is written in TypeScript and rea in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, composio or rea?
Choose composio if you want the larger community (30,473 stars) or its MIT licence terms. Choose rea if its feature set, stack or MIT licence fits better. Both are self-hostable.