Radicale vs Horde Kronolith
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Radicale
Simple, lightweight CalDAV and CardDAV server
VS
Horde Kronolith
Calendar application from the Horde groupware suite
| Feature | Radicale | Horde Kronolith |
|---|---|---|
| Category | Groupware | Calendar & Contacts |
| License | GPL-3.0 | GPL-2.0 |
| Language | Python | PHP |
| Setup difficulty | Easy | Hard |
| Min. RAM | 64 MB | 256 MB |
| Deployment | docker, bare-metal, source | bare-metal |
| GitHub stars | ★ 4,877 | ★ 10 |
| First released | 2008 | 2003 |
| Replaces | Google Calendar, iCloud | Google Calendar, Exchange |
Why pick each one
Choose Horde Kronolith if…
- Released under the GPL-2.0 license
- Written in PHP
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is Radicale or Horde Kronolith better?
Radicale is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Horde Kronolith if its specific feature set fits your needs better.
Are Radicale and Horde Kronolith free and open-source?
Yes. Radicale is licensed under GPL-3.0 and Horde Kronolith under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Radicale and Horde Kronolith with Docker?
Radicale: yes. Horde Kronolith: check the project docs for container support.