head to head · open source
EspoCRM vs Atomic CRM
EspoCRM has 3,368 GitHub stars, 972 forks, 69 open issues and last shipped yesterday. Atomic CRM has 1,257 stars, 813 forks, 19 open issues and last shipped yesterday. EspoCRM leads on adoption by 168% (3,368 vs 1,257 stars). EspoCRM is written in PHP under AGPL-3.0; Atomic CRM is written in TypeScript under MIT. EspoCRM has attracted 29% as many forks as stars, Atomic CRM 65%. EspoCRM 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
| EspoCRM | Atomic CRM | |
|---|---|---|
| GitHub stars | ★ 3.4K | ★ 1.3K |
| License | AGPL-3.0 | MIT |
| Written in | PHP | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 972 | ⑂ 813 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick EspoCRM if
- You weight community size — 3.4K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches PHP
- 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 EspoCRM
EspoCRM is a free, open source customer relationship management application written in PHP. It lives in the open source business software ecosystem for CRM and sales systems, and it combines a single page frontend with a REST API backend. The project describes itself as a platform for storing, organizing, and managing leads, contacts, sales opportunities, marketing campaigns, support cases, and related business information.
read the full EspoCRM 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 EspoCRM or Atomic CRM more popular?
EspoCRM has 3,368 GitHub stars and Atomic CRM has 1,257. EspoCRM has the larger community by that measure.
Are EspoCRM and Atomic CRM free?
Both are open source. EspoCRM is licensed under AGPL-3.0 and Atomic CRM under MIT. Neither carries a licence fee.
What is the difference between EspoCRM and Atomic CRM?
EspoCRM is written in PHP 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, EspoCRM or Atomic CRM?
Choose EspoCRM if you want the larger community (3,368 stars) or its AGPL-3.0 licence terms. Choose Atomic CRM if its feature set, stack or MIT licence fits better. Both are self-hostable.