Quick answer
Atomic CRM is a free, open source project in the “Modern / Developer-First” group, built with TypeScript (React), Supabase. It is released under MIT, has 1,370 GitHub stars, and its repository was last updated in Oct 2026. You can self-host it on your own server. Verified 14 October 2026.
Atomic CRM
Ultra-lightweight, developer-first CRM template – React, shadcn/ui, Supabase – minimal code, maximum flexibility
Self-Hosted (Recommended)
Free open source edition • Very low footprint • Docker or Node.js • Full code control
Self-Host Guide →Public Demo / Hosted
No official paid cloud • Free public demo available • Some community forks offer hosting
Open Public Demo →🏠 Self-Hosted Version (Free Open Source Edition)
Designed to be a starter kit – easy to customize, low resource needs (runs on small VPS or even Raspberry Pi).
Download Full ZIP (GitHub Mirror)Requirements: Docker or Node.js 18+ • RAM: 512 MB–1 GB sufficient • Setup time: 3–10 minutes
Need a server to host it?
Docker, Node, Python, Java and similar stacks usually need a VPS where you can install your own software. A small VPS is enough to start, and you can upgrade later. Hostinger offers both shared web hosting and VPS plans.
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☁️ Public Demo / Hosted Alternatives
No official paid hosted version (focus is self-hosting and customization).
- Open the free public demo: atomic-crm.marmelab.com (mock data, resets on reload)
- Host yourself on Supabase (free tier available) or any Node.js platform
- Community forks sometimes offer paid hosting (~$9–29/month)
Self-Hosted vs Demo/Hosted – Detailed Comparison 2026
| Factor | Self-Hosted | Public Demo / Hosted |
|---|---|---|
| Upfront Cost | $0 | $0 (demo) or $9–29/mo (forks) |
| Monthly Cost (10 users) | $3–12 (small VPS/Supabase) | $0–$30 |
| Data Ownership & Privacy | 100% yours | Mock/demo = none; forks vary |
| Setup Time | 3–10 minutes | Instant (demo) |
| Maintenance & Updates | You manage | None (demo) or provider |
| Support | Community + GitHub | Limited / none |
| Customization | Full code access (React + Supabase) | None (demo) |
| Backup Responsibility | You | Provider (if paid fork) |
| Scalability | Unlimited (add resources) | Limited (demo resets) |
| Best For | Developers, small teams, custom needs, privacy focus | Quick testing / evaluation |
Which option is better for YOUR business?
Developer or small tech team
→ Self-Hosted
1-year cost ≈ $36–144. Customize freely, own your data.
Just evaluating / no setup wanted
→ Public Demo
$0 – try in seconds (mock data only).
Need production + minimal effort
→ Self-Host on Supabase free tier
Low cost, easy scaling later.
Atomic CRM shines for developers who want a clean starting point – self-hosting is the only serious production path.
Frequently asked questions about Atomic CRM
Is Atomic CRM free and open source?
Atomic CRM is released under MIT. Always read the LICENSE file in the official repository before you use, modify or redistribute it. License details were verified on 14 October 2026.
What technology does Atomic CRM use?
Atomic CRM is built with TypeScript (React), Supabase.
Can I self-host Atomic CRM?
Yes. You can download the source from the official GitHub repository and run it on your own server or VPS.
Who is Atomic CRM best for?
Developers who want a small, hackable CRM codebase.
What are good alternatives to Atomic CRM?
Similar open source projects in this directory include Twenty, Frappe CRM, Bottle CRM. Compare them in the Modern / Developer-First group.
Compare Atomic CRM with other open source tools
Alternatives to Atomic CRM
Twenty
A modern, community-driven open source alternative to Salesforce.
58.3k • AGPL-3.0
Frappe CRM
Simple, modern open source CRM for sales teams, built on the Frappe Framework.
3.8k • AGPL-3.0
Bottle CRM
Open source CRM for startups and enterprises built with Django and SvelteKit.
2.4k • MIT
NextCRM
Open source CRM built with Next.js, PostgreSQL and shadcn/ui.
719 • MIT
Customermates
Open-core CRM for contacts, organisations, deals, services and tasks.
226 • AGPL-3.0 outside the ee/ directory
Tiny CRM
A small open source CRM built with Laravel and Filament.
179 • MIT
Data verified 14 October 2026 from the project's public repository. Details change, so check the official sources. See our disclaimer. Found a mistake? Tell us.