Group-Office vs Radicale
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?
Group-Office
Web-based groupware and CRM with email and calendar
VS
Radicale
Simple, lightweight CalDAV and CardDAV server
| Feature | Group-Office | Radicale |
|---|---|---|
| Category | Groupware | Groupware |
| License | AGPL-3.0 | GPL-3.0 |
| Language | PHP | Python |
| Setup difficulty | Medium | Easy |
| Min. RAM | 1,024 MB | 64 MB |
| Deployment | docker, bare-metal | docker, bare-metal, source |
| GitHub stars | ★ 275 | ★ 4,877 |
| First released | 2003 | 2008 |
| Replaces | Microsoft 365, Google Workspace | Google Calendar, iCloud |
Why pick each one
Choose Group-Office if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Written in PHP
Frequently asked questions
Is Group-Office or Radicale better?
Radicale is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Group-Office if its specific feature set fits your needs better.
Are Group-Office and Radicale free and open-source?
Yes. Group-Office is licensed under AGPL-3.0 and Radicale under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Group-Office and Radicale with Docker?
Group-Office: yes. Radicale: yes.