Kontact 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?
Kontact
Integrated personal information manager for KDE
VS
Openmeetings
Video conferencing, instant messaging, whiteboard, collaborative
| Feature | Kontact | Openmeetings |
|---|---|---|
| Category | Groupware | Groupware |
| License | GPL-2.0 | Apache-2.0 |
| Language | C++ | Java |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 512 MB |
| Deployment | binary, source | bare-metal |
| GitHub stars | ★ 200 | ★ 686 |
| First released | 2004 | 2025 |
| Replaces | Microsoft Outlook | — |
Why pick each one
Choose Kontact if…
- Released under the GPL-2.0 license
- Written in C++
- Lightweight — runs in 512 MB RAM
Choose Openmeetings if…
- Released under the Apache-2.0 license
- Written in Java
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is Kontact or Openmeetings better?
Neither is universally better. Openmeetings has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Kontact and Openmeetings free and open-source?
Yes. Kontact is licensed under GPL-2.0 and Openmeetings under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Kontact and Openmeetings with Docker?
Kontact: check the project docs for container support. Openmeetings: check the project docs for container support.