Atomic CRM vs EspoCRM

A side-by-side comparison of two self-hosted crm & business apps options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureAtomic CRMEspoCRM
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score83 · Excellent88 · Excellent
CategoryCRM & Business AppsCRM & Business Apps
LicenseMITAGPL-3.0
LanguageTypeScriptPHP
Setup difficultyMediumMedium
Min. RAM512 MB1,024 MB
Deploymentdocker, sourcedocker, bare-metal
GitHub stars★ 1,267★ 3,382
First released20242014
ReplacesHubSpot, PipedriveSalesforce, HubSpot

What are Atomic CRM and EspoCRM?

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

EspoCRM

EspoCRM is a fast, lightweight, open-source CRM for managing contacts, leads, opportunities, and customer relationships. It targets small and mid-sized businesses wanting a responsive CRM. It is deployed via Docker or a PHP stack.

  • Responsive single-page interface
  • Customizable entities and layouts
  • Workflow automation
  • Email and calendar integration

Read the full EspoCRM guide →

Atomic CRM vs EspoCRM: key differences

Atomic CRM is written in TypeScript, while EspoCRM is built with PHP. Licensing differs — MIT for Atomic CRM versus AGPL-3.0 for EspoCRM. Atomic CRM is the lighter option, starting around 512 MB of RAM against 1,024 MB for EspoCRM. EspoCRM is the more established project (first released 2014), while Atomic CRM arrived in 2024. EspoCRM has the considerably larger community, at 3,382 GitHub stars versus 1,267.

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
Atomic CRM details

Choose EspoCRM if…

  • Fast and responsive
  • Highly customizable
  • Lightweight

Watch out for

  • Advanced extensions are paid
  • Smaller ecosystem
EspoCRM details

Frequently asked questions

Is Atomic CRM or EspoCRM better?

Neither is universally better. EspoCRM has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Atomic CRM and EspoCRM free and open-source?

Yes. Atomic CRM is licensed under MIT and EspoCRM under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Atomic CRM and EspoCRM with Docker?

Atomic CRM: yes. EspoCRM: yes.

Which is lighter on resources, Atomic CRM or EspoCRM?

Atomic CRM has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for EspoCRM. Real-world usage depends on library size, user count, and enabled features.

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