head to head · open source
mitosis vs open-claude-cowork
mitosis has 14,400 GitHub stars, 672 forks, 176 open issues and last shipped 2 months ago. open-claude-cowork has 4,359 stars, 735 forks, 15 open issues and last shipped 4 months ago. mitosis leads on adoption by 230% (14,400 vs 4,359 stars). mitosis is written in TypeScript under MIT; open-claude-cowork is written in JavaScript under MIT. mitosis has attracted 5% as many forks as stars, open-claude-cowork 17%. mitosis was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| mitosis | open-claude-cowork | |
|---|---|---|
| GitHub stars | ★ 14K | ★ 4.4K |
| License | MIT | MIT |
| Written in | TypeScript | JavaScript |
| Last push | 2026-07-21 | 2026-05-23 |
| Forks | ⑂ 672 | ⑂ 735 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick mitosis if
- You weight community size — 14K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick open-claude-cowork if
- You want the open-claude-cowork feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and open-claude-cowork fits your workflow better
About mitosis
Mitosis is an open source compiler that lets developers write UI components once in a single codebase and compile them to React, Vue, Angular, Svelte, Solid, Alpine, Qwik, and more. It is a TypeScript project under the MIT license, maintained in the BuilderIO organization, with the repository carrying roughly 14,384 stars and 671 forks across six years of history. The project lives in the JavaScript and TypeScript component ecosystem, and its documentation, playground, and Figma integration are hosted at mitosis.builder.io.
read the full mitosis overview →
About open-claude-cowork
Open Claude Cowork is an open source JavaScript desktop chat application in the Electron, Node.js, and Anthropic Claude ecosystem. It uses the Claude Agent SDK, Composio Tool Router, and MCP, and includes Secure Clawdbot for messaging platforms.
read the full open-claude-cowork overview →
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Frequently asked questions
Is mitosis or open-claude-cowork more popular?
mitosis has 14,400 GitHub stars and open-claude-cowork has 4,359. mitosis has the larger community by that measure.
Are mitosis and open-claude-cowork free?
Both are open source. mitosis is licensed under MIT and open-claude-cowork under MIT. Neither carries a licence fee.
What is the difference between mitosis and open-claude-cowork?
mitosis is written in TypeScript and open-claude-cowork in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, mitosis or open-claude-cowork?
Choose mitosis if you want the larger community (14,400 stars) or its MIT licence terms. Choose open-claude-cowork if its feature set, stack or MIT licence fits better. Both are self-hostable.