SHSelfHostIndex

Kopano Groupware Core vs Openmeetings

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?
KO Kopano Groupware Core Open-source collaboration platform with Outlook support VS OP Openmeetings Video conferencing, instant messaging, whiteboard, collaborative
FeatureKopano Groupware CoreOpenmeetings
CategoryGroupwareGroupware
LicenseAGPL-3.0Apache-2.0
LanguageC++Java
Setup difficultyHardMedium
Min. RAM2,048 MB512 MB
Deploymentdocker, bare-metalbare-metal
GitHub stars★ 60★ 686
First released20162025
ReplacesMicrosoft Exchange—

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 Openmeetings if…

  • Released under the Apache-2.0 license
  • Written in Java
  • Lightweight — runs in 512 MB RAM
Openmeetings details

Frequently asked questions

Is Kopano Groupware Core or Openmeetings better?

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

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

Yes. Kopano Groupware Core is licensed under AGPL-3.0 and Openmeetings under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Kopano Groupware Core and Openmeetings with Docker?

Kopano Groupware Core: yes. Openmeetings: check the project docs for container support.

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