head to head · open source
Twenty vs Atomic CRM
Twenty has 60,319 GitHub stars, 9,915 forks, 205 open issues and last shipped yesterday. Atomic CRM has 1,421 stars, 911 forks, 19 open issues and last shipped yesterday. Twenty leads on adoption by 4,145% (60,319 vs 1,421 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 64%. 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.
← all 20902 open source comparisons
Side by side
| Twenty | Atomic CRM | |
|---|---|---|
| GitHub stars | ★ 60K | ★ 1.4K |
| License | Custom / other | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 9.9K | ⑂ 911 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Twenty if
- You weight community size — 60K 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
The 1 Open Source CRM Website · Documentation · Roadmap · Discord · Figma Why Twenty Twenty gives technical teams the building blocks for a custom CRM that meets complex business needs and quickly adapts as the business evolves. Twenty is the CRM you build, ship, and version like the rest of your stack. Learn more about why we built Twenty Installation Cloud The fastest way to get started. Sign up at twenty.com and spin up a workspace in under a minute, with no infrastructure to manage and always up to date. Build an app Scaffold a new app with the Twenty CLI: Define objects, fields, and views as code: Then ship…
read the full Twenty overview →
About Atomic CRM
Atomic CRM A full featured CRM built with React, shadcn admin kit, and Supabase. Atomic CRM is free and open source. You can test it online at . Features 📇 Organize Contacts : Keep all your contacts in one easily accessible place. ⏰ Create Tasks & Set Reminders : Never miss a follow up or deadline. 📝 Take Notes : Capture important details and insights effortlessly. ✉️ Capture Emails : CC Atomic CRM to automatically save communications as notes. 📊 Manage Deals : Visualize and track your sales pipeline in a Kanban board. 🔄 Import & Export Data : Easily transfer contacts in and out of the system. 🔐 Control…
read the full Atomic CRM overview →
More in Business Software
Related comparisons
More CRM & Sales projects
Compare either of these against the rest of the CRM & Sales field.
Frequently asked questions
Is Twenty or Atomic CRM more popular?
Twenty has 60,319 GitHub stars and Atomic CRM has 1,421. 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 (60,319 stars) or its Custom / other licence terms. Choose Atomic CRM if its feature set, stack or MIT licence fits better. Both are self-hostable.