EGroupware vs Kontact

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?
FeatureEGroupwareKontact
CategoryGroupwareGroupware
LicenseGPL-2.0GPL-2.0
LanguagePHPC++
Setup difficultyMediumMedium
Min. RAM1,024 MB512 MB
Deploymentdocker, bare-metalbinary, source
GitHub stars★ 295★ 200
First released20032004
ReplacesMicrosoft 365, Google WorkspaceMicrosoft Outlook

Why pick each one

Choose EGroupware if…

  • Broad feature set
  • Long-established project
EGroupware details

Choose Kontact if…

  • Released under the GPL-2.0 license
  • Written in C++
  • Lightweight — runs in 512 MB RAM
Kontact details

Frequently asked questions

Is EGroupware or Kontact better?

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

Are EGroupware and Kontact free and open-source?

Yes. EGroupware is licensed under GPL-2.0 and Kontact under GPL-2.0. Both can be self-hosted at no software cost.

Can I run EGroupware and Kontact with Docker?

EGroupware: yes. Kontact: check the project docs for container support.

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