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Atomic CRM
Atomic CRM is a free, open-source CRM toolkit by Marmelab built with React, shadcn/ui, and Supabase, designed as a developer-friendly starter kit that teams can fully customise and self-host. It covers contacts, deals pipeline, tasks, notes, and email-to-note capture with a lightweight codebase of ~15k lines.
3.5/5sales-pipelineFree (self-hosted)
Our verdict
Last verified Jun 12, 2026
Well-engineered MIT-licensed starter kit with transparent free pricing and clear developer segment fit, but limited integration breadth, modest adoption indicators, and explicitly positioned as a reference/toolkit rather than a production-maintained product.
3.5/ 5
Editorial scoreRating
3.5/5
Editorial score
Users
0
Verified users
Starting at
Free (self-hosted)
freemium
Category
sales-pipeline
Market segment
Key Features
Contact and organization management
Customisable Kanban deals pipeline
Task creation with automated reminders
Email-to-note CC capture
Activity log across contacts, deals, and tasks
SSO via Google, Azure, Auth0
CSV import/export
Mobile-responsive UI
Pros & cons
Pros
- Completely free and MIT-licensed
- Very lightweight (~15k lines) and easy to customise
- 5-minute setup with Supabase and GitHub Pages
- Built by Marmelab, a respected React/open-source agency
Cons
- Positioned as a reference implementation — not a fully supported commercial product
- Supabase dependency adds an external service requirement
- Minimal integration ecosystem beyond SSO
- No dedicated CRM-as-a-service support tier
Detailed Information
No information available for Inventory Tracking Methods.
Best For
Developer teams wanting a customisable React-based CRM starting pointSmall teams requiring a lightweight, low-footprint self-hosted CRMAgencies building bespoke CRM solutions for clients
Not ideal for
Teams needing a fully managed, out-of-the-box enterprise CRMNon-technical users without React or Supabase familiarityLarge enterprises requiring complex multi-org hierarchies
Integrations
Supabase (backend/auth)
Google SSO
Azure SSO
Auth0 SSO
GitHub Pages (static frontend hosting)
ROI Calculator
Frequently Asked Questions
Quick Navigation
0 verified users
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Additional Information
- Category
- sales-pipeline
- Price Range
- Free (self-hosted); Cloud from €25/mo
- Pricing Model
- freemium