Kopano Groupware Core vs Radicale

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?
FeatureKopano Groupware CoreRadicale
CategoryGroupwareGroupware
LicenseAGPL-3.0GPL-3.0
LanguageC++Python
Setup difficultyHardEasy
Min. RAM2,048 MB64 MB
Deploymentdocker, bare-metaldocker, bare-metal, source
GitHub stars★ 60★ 4,877
First released20162008
ReplacesMicrosoft ExchangeGoogle Calendar, iCloud

Why pick each one

Choose Kopano Groupware Core if…

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in C++
Kopano Groupware Core details

Choose Radicale if…

  • Extremely easy to deploy
  • No database needed
Radicale details

Frequently asked questions

Is Kopano Groupware Core or Radicale better?

Radicale is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Kopano Groupware Core if its specific feature set fits your needs better.

Are Kopano Groupware Core and Radicale free and open-source?

Yes. Kopano Groupware Core is licensed under AGPL-3.0 and Radicale under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Kopano Groupware Core and Radicale with Docker?

Kopano Groupware Core: yes. Radicale: yes.

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