Cozy Cloud vs Calcom Calendar

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

Not the right match-up?
FeatureCozy CloudCalcom Calendar
CategoryGroupwareGroupware
LicenseGPL-3.0AGPL-3.0
LanguageNodejsTypeScript
Setup difficultyMediumMedium
Min. RAM512 MB1,024 MB
Deploymentbare-metaldocker, bare-metal, source
GitHub stars★ 47,334
First released20202021
ReplacesCalendly, Doodle

Why pick each one

Choose Cozy Cloud if…

  • Released under the GPL-3.0 license
  • Written in Nodejs
  • Lightweight — runs in 512 MB RAM
Cozy Cloud details

Choose Calcom Calendar if…

  • Polished modern UX
  • Rich integrations
Calcom Calendar details

Frequently asked questions

Is Cozy Cloud or Calcom Calendar better?

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

Are Cozy Cloud and Calcom Calendar free and open-source?

Yes. Cozy Cloud is licensed under GPL-3.0 and Calcom Calendar under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Cozy Cloud and Calcom Calendar with Docker?

Cozy Cloud: check the project docs for container support. Calcom Calendar: yes.

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