Atomic CRM vs Krayin
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
Krayin
Free and open-source Laravel-based CRM
| Feature | Atomic CRM | Krayin |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 83 · Excellent | 97 · Excellent |
| Category | CRM & Business Apps | CRM & Business Apps |
| License | MIT | MIT |
| Language | TypeScript | PHP |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 1,024 MB |
| Deployment | docker, source | docker, bare-metal |
| GitHub stars | ★ 1,271 | ★ 23,938 |
| First released | 2024 | 2020 |
| Replaces | HubSpot, Pipedrive | Salesforce, HubSpot |
What are Atomic CRM and Krayin?
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
Krayin
Krayin is a free and open-source CRM built on Laravel, offering lead management, contacts, and sales pipelines. It targets small businesses wanting a lightweight PHP CRM. It is deployed via Docker or a PHP stack.
- Lead and pipeline management
- Contact and activity tracking
- Built on Laravel
- Email integration
Atomic CRM vs Krayin: key differences
Atomic CRM is written in TypeScript, while Krayin is built with PHP. Atomic CRM is the lighter option, starting around 512 MB of RAM against 1,024 MB for Krayin. Krayin is the more established project (first released 2020), while Atomic CRM arrived in 2024. Krayin has the considerably larger community, at 23,938 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 Krayin if…
- Lightweight CRM
- Laravel-based and extensible
- Open source
Watch out for
- Smaller community
- Fewer features than big CRMs
Frequently asked questions
Is Atomic CRM or Krayin better?
Neither is universally better. Krayin has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Atomic CRM and Krayin free and open-source?
Yes. Atomic CRM is licensed under MIT and Krayin under MIT. Both can be self-hosted at no software cost.
Can I run Atomic CRM and Krayin with Docker?
Atomic CRM: yes. Krayin: yes.
Which is lighter on resources, Atomic CRM or Krayin?
Atomic CRM has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for Krayin. Real-world usage depends on library size, user count, and enabled features.