Atomic CRM

What is Atomic CRM?

Contacts, deals and tasks CRM for small teams that you fork, restyle and extend in code.

Who is Atomic CRM best for?

Atomic CRM is best for small teams with a React developer who want a contacts and deals CRM they can reshape in code.

• A CRM shaped to your process

  Admins change currency, deal stages and pipeline statuses from a settings page, and developers can change any screen in the React code.

• Talking to your CRM

  An MCP server lets Claude, ChatGPT or another assistant find contacts, log notes, create tasks and move deals.

• Email capture

  Copy Atomic CRM on an email and it saves the message as a note on the contact.

• Teams that need SSO

  SAML 2.0 single sign-on works with Google, Azure, Keycloak and Auth0 in the free version.

How much does Atomic CRM cost?

Atomic CRM is free under the MIT licence with unlimited users; its maker, Marmelab, sells a one-week setup service and managed hosting at a custom quote.

Setup Week is a one-time, custom-quoted service in which Marmelab designs, configures and deploys the CRM for you. Marmelab can also host it in the EU or the US, priced on request. If you host on Supabase's cloud, Supabase bills that separately. Full pricing on marmelab.com. We checked these prices on 8 Nov 2026.

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Is Atomic CRM open source?

Yes. Atomic CRM's code is public under the MIT licence, so you can run it on your own server.

What are the best Atomic CRM alternatives?

Atomic CRM is an open source alternative to folk CRM and HubSpot. Twenty, Odoo, Mautic and Relaticle do the same job and are open source too.

folk CRMFreemium

A friendly CRM with enrichment, outreach and AI assistants.

HubSpotFree

Marketing, sales and service on one CRM with AI built in.

TwentyOpen Source

CRM for sales teams with custom objects, email and calendar sync, workflows and AI agents.

OdooOpen Source

Suite of business apps for CRM, accounting, inventory, sales, HR and point of sale.

MauticOpen Source

Marketing automation suite with campaign journeys, email, landing pages, forms and lead scoring.

RelaticleOpen Source

CRM for teams that sell to a named list of companies, with an AI assistant and an MCP server.

Questions about Atomic CRM