Baïkal vs Horde Groupware
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?
Baïkal
Lightweight CalDAV and CardDAV server with web admin
VS
Horde Groupware
PHP groupware suite with webmail and calendaring
| Feature | Baïkal | Horde Groupware |
|---|---|---|
| Category | Groupware | Groupware |
| License | GPL-3.0 | GPL-2.0 |
| Language | PHP | PHP |
| Setup difficulty | Easy | Hard |
| Min. RAM | 128 MB | 512 MB |
| Deployment | docker, bare-metal, source | bare-metal, source |
| GitHub stars | ★ 3,258 | ★ 243 |
| First released | 2012 | 2003 |
| Replaces | Google Calendar, iCloud | Microsoft Exchange |
Why pick each one
Choose Horde Groupware if…
- Released under the GPL-2.0 license
- Written in PHP
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is Baïkal or Horde Groupware better?
Baïkal is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Horde Groupware if its specific feature set fits your needs better.
Are Baïkal and Horde Groupware free and open-source?
Yes. Baïkal is licensed under GPL-3.0 and Horde Groupware under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Baïkal and Horde Groupware with Docker?
Baïkal: yes. Horde Groupware: check the project docs for container support.