Calcom Calendar vs Nextcloud Groupware

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?
FeatureCalcom CalendarNextcloud Groupware
CategoryGroupwareGroupware
LicenseAGPL-3.0AGPL-3.0
LanguageTypeScriptJavaScript
Setup difficultyMediumMedium
Min. RAM1,024 MB1,024 MB
Deploymentdocker, bare-metal, sourcedocker, bare-metal, source
GitHub stars★ 47,334★ 1,169
First released20212016
ReplacesCalendly, DoodleMicrosoft 365, Google Workspace

Why pick each one

Choose Calcom Calendar if…

  • Polished modern UX
  • Rich integrations
Calcom Calendar details

Choose Nextcloud Groupware if…

  • Tight Nextcloud integration
  • Standards-based sync
Nextcloud Groupware details

Frequently asked questions

Is Calcom Calendar or Nextcloud Groupware 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 Calcom Calendar and Nextcloud Groupware free and open-source?

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

Can I run Calcom Calendar and Nextcloud Groupware with Docker?

Calcom Calendar: yes. Nextcloud Groupware: yes.

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