head to head · open source
Twenty vs Atomic CRM
Twenty has 56,947 GitHub stars, 9,143 forks, 205 open issues and last shipped yesterday. Atomic CRM has 1,257 stars, 813 forks, 19 open issues and last shipped yesterday. Twenty leads on adoption by 4,430% (56,947 vs 1,257 stars). Twenty is written in TypeScript under a custom or non-standard licence; Atomic CRM is written in TypeScript under MIT. Twenty has attracted 16% as many forks as stars, Atomic CRM 65%. Twenty was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (crm), 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
| Twenty | Atomic CRM | |
|---|---|---|
| GitHub stars | ★ 57K | ★ 1.3K |
| License | Custom / other | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 9.1K | ⑂ 813 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Twenty if
- You weight community size — 57K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Atomic CRM if
- You want the Atomic CRM feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Atomic CRM fits your workflow better
About Twenty
Twenty is an open source CRM platform built for technical teams that need to design and deploy custom customer relationship management systems without vendor lock in. It provides a framework for defining data models, views, workflows, and AI powered agents entirely as code, enabling full version control and integration into existing development pipelines. The project lives in the JavaScript/TypeScript ecosystem and uses modern tooling including NestJS, React, PostgreSQL, and Redis.
read the full Twenty overview →
About Atomic CRM
Atomic CRM is an open source CRM toolkit for personalized customer relationship management solutions. It is a full featured CRM built with React, shadcn/ui, and Supabase, distributed under the MIT license in TypeScript. The project lives in the React and Supabase ecosystem and is published by Marmelab.
read the full Atomic CRM overview →
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Frequently asked questions
Is Twenty or Atomic CRM more popular?
Twenty has 56,947 GitHub stars and Atomic CRM has 1,257. Twenty has the larger community by that measure.
Are Twenty and Atomic CRM free?
Both are open source. Twenty has no licence declared in this registry, and Atomic CRM is licensed under MIT. Both are free to self-host.
What is the difference between Twenty and Atomic CRM?
Twenty is written in TypeScript and Atomic CRM 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, Twenty or Atomic CRM?
Choose Twenty if you want the larger community (56,947 stars) or its Custom / other licence terms. Choose Atomic CRM if its feature set, stack or MIT licence fits better. Both are self-hostable.