SOGo 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?
SOGo
Scalable groupware server with webmail, calendar and contacts
VS
Kontact
Integrated personal information manager for KDE
| Feature | SOGo | Kontact |
|---|---|---|
| Category | Groupware | Groupware |
| License | GPL-2.0 | GPL-2.0 |
| Language | Objective-C | C++ |
| Setup difficulty | Hard | Medium |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | docker, bare-metal | binary, source |
| GitHub stars | ★ 2,143 | ★ 200 |
| First released | 2009 | 2004 |
| Replaces | Microsoft Exchange, Microsoft 365 | 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
Frequently asked questions
Is SOGo or Kontact better?
Neither is universally better. SOGo has the larger community, while Kontact is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are SOGo and Kontact free and open-source?
Yes. SOGo is licensed under GPL-2.0 and Kontact under GPL-2.0. Both can be self-hosted at no software cost.
Can I run SOGo and Kontact with Docker?
SOGo: yes. Kontact: check the project docs for container support.