Radicale 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?
Radicale
Simple, lightweight CalDAV and CardDAV server
VS
Openmeetings
Video conferencing, instant messaging, whiteboard, collaborative
| Feature | Radicale | Openmeetings |
|---|---|---|
| Category | Groupware | Groupware |
| License | GPL-3.0 | Apache-2.0 |
| Language | Python | Java |
| Setup difficulty | Easy | Medium |
| Min. RAM | 64 MB | 512 MB |
| Deployment | docker, bare-metal, source | bare-metal |
| GitHub stars | ★ 4,877 | ★ 686 |
| First released | 2008 | 2025 |
| Replaces | Google Calendar, iCloud | — |
Why pick each one
Choose Openmeetings if…
- Released under the Apache-2.0 license
- Written in Java
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is Radicale or Openmeetings better?
Radicale is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Openmeetings if its specific feature set fits your needs better.
Are Radicale and Openmeetings free and open-source?
Yes. Radicale is licensed under GPL-3.0 and Openmeetings under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Radicale and Openmeetings with Docker?
Radicale: yes. Openmeetings: check the project docs for container support.