Atomic CRM vs Twenty
A side-by-side comparison of two self-hosted crm & business apps options — licensing, setup difficulty, resource needs, and what each one replaces.
Atomic CRM
Open-source CRM built with React and Supabase
VS
Twenty
Modern open-source CRM alternative
| Feature | Atomic CRM | Twenty |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 83 · Excellent | 100 · Excellent |
| Category | CRM & Business Apps | CRM & Business Apps |
| License | MIT | AGPL-3.0 |
| Language | TypeScript | TypeScript |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 2,048 MB |
| Deployment | docker, source | docker |
| GitHub stars | ★ 1,271 | ★ 57,389 |
| First released | 2024 | 2023 |
| Replaces | HubSpot, Pipedrive | Salesforce, HubSpot |
What are Atomic CRM and Twenty?
Atomic CRM
Atomic CRM is an open-source CRM toolkit by Marmelab, built with React and Supabase. It manages contacts, deals, tasks, and notes with a kanban-style sales pipeline and is designed to be customized as a starter kit.
- Kanban sales pipeline
- Contact and deal management
- Tasks and notes
- Built on Supabase
Twenty
Twenty is a modern, open-source CRM designed as a flexible alternative to Salesforce with a clean, customizable interface. It targets startups and teams wanting an open CRM. It is deployed via Docker.
- Modern customizable CRM
- Flexible data model
- Keyboard-driven UI
- API and webhooks
Atomic CRM vs Twenty: key differences
Both projects are written in TypeScript. Licensing differs — MIT for Atomic CRM versus AGPL-3.0 for Twenty. Atomic CRM is the lighter option, starting around 512 MB of RAM against 2,048 MB for Twenty. Twenty has the considerably larger community, at 57,389 GitHub stars versus 1,271.
Why pick each one
Choose Atomic CRM if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Active community (1.3k GitHub stars)
- Written in TypeScript
Choose Twenty if…
- Clean modern interface
- Customizable objects
- Active development
Watch out for
- Young project
- Some features still maturing
Frequently asked questions
Is Atomic CRM or Twenty better?
Neither is universally better. Twenty has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Atomic CRM and Twenty free and open-source?
Yes. Atomic CRM is licensed under MIT and Twenty under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Atomic CRM and Twenty with Docker?
Atomic CRM: yes. Twenty: yes.
Which is lighter on resources, Atomic CRM or Twenty?
Atomic CRM has the smaller minimum footprint at 512 MB of RAM, compared to about 2,048 MB for Twenty. Real-world usage depends on library size, user count, and enabled features.