Radicale
Simple calendar and contact server with extremely low administrative overhead.
Radicale vs SabreDAV
Two self-hosted Calendar & Contacts apps, compared on the facts we track: GitHub popularity and activity, license, language, Docker images and a rough hosting estimate.
Side by side
| Radicale | SabreDAV | |
|---|---|---|
| Description | Simple calendar and contact server with extremely low administrative overhead. | CardDAV, CalDAV, and WebDAV framework and server. |
| GitHub stars | 5,185 | 1,727 |
| Forks | – | – |
| Open issues | – | – |
| Commits (12 months) | 1.7k | 69 |
| Last activity | 2026-11-04 | 2026-11-01 |
| Latest release | v3.9.0 (2026-10-25) | 4.7.1 (2026-07-07) |
| Maintenance health | Active | Active |
| License | GPL-3.0 | MIT |
| Language / platform | Python, deb | PHP |
| Docker Hub image | – | – |
| Docker pulls | – | – |
| Est. server size | ~1 GB, 1 vCPU | ~1 GB, 1 vCPU |
| Est. hosting from | $5/mo | $5/mo |
| Categories | Calendar & Contacts | Calendar & Contacts |
| Links | Website · Source | Website · Source |
What the numbers say
- Radicale is more popular on GitHub: 5.2k stars vs 1.7k for SabreDAV.
- Radicale had more commits in the last 12 months (1,662 vs 69).
- Radicale published a release more recently (v3.9.0 on 2026-10-25; SabreDAV's latest is 4.7.1 on 2026-07-07).
- Radicale is licensed under GPL-3.0, SabreDAV under MIT. SabreDAV's license is permissive; Radicale's is copyleft (changes you distribute must stay open).
- Radicale is written in Python; SabreDAV in PHP.
- Deployment options listed upstream: Radicale: deb; SabreDAV: none listed.
Summary: Radicale leads on GitHub popularity and commit activity. The right choice depends on the features you need — read both project descriptions and docs.
This summary is generated from GitHub, Docker Hub and awesome-selfhosted data as of 2026-11-05. It does not rate features or quality.
Frequently asked questions
Is Radicale or SabreDAV more popular?
Radicale has more GitHub stars (5,185 vs 1,727 for SabreDAV, as of 2026-11-05). Stars measure interest, not quality.
Which is more actively maintained, Radicale or SabreDAV?
Radicale had more commits over the last 12 months (1,662 vs 69). The last recorded activity was 2026-11-04 for Radicale and 2026-11-01 for SabreDAV. Our health labels: Radicale is “Active”, SabreDAV is “Active”.
What licenses do Radicale and SabreDAV use?
Radicale: GPL-3.0. SabreDAV: MIT. SabreDAV's license is permissive; Radicale's is copyleft (changes you distribute must stay open).
Can I run Radicale and SabreDAV with Docker?
We did not detect a Docker Hub image for either app. Check each project's documentation for install options.
Read more
SabreDAV
CardDAV, CalDAV, and WebDAV framework and server.
Browse all self-hosted Calendar & Contacts apps.