Baïkal
Lightweight CalDAV and CardDAV server based on sabre/dav.
Baïkal vs Radicale
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
| Baïkal | Radicale | |
|---|---|---|
| Description | Lightweight CalDAV and CardDAV server based on sabre/dav. | Simple calendar and contact server with extremely low administrative overhead. |
| GitHub stars | 3,366 | 5,185 |
| Forks | – | – |
| Open issues | – | – |
| Commits (12 months) | 26 | 1.7k |
| Last activity | 2026-11-03 | 2026-11-04 |
| Latest release | 0.13.0 (2026-10-19) | v3.9.0 (2026-10-25) |
| Maintenance health | Active | Active |
| License | GPL-3.0 | GPL-3.0 |
| Language / platform | PHP | Python, deb |
| 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 3.4k for Baïkal.
- Radicale had more commits in the last 12 months (1,662 vs 26).
- Radicale published a release more recently (v3.9.0 on 2026-10-25; Baïkal's latest is 0.13.0 on 2026-10-19).
- Both are licensed under GPL-3.0.
- Baïkal is written in PHP; Radicale in Python.
- Deployment options listed upstream: Baïkal: none listed; Radicale: deb.
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 Baïkal or Radicale more popular?
Radicale has more GitHub stars (5,185 vs 3,366 for Baïkal, as of 2026-11-05). Stars measure interest, not quality.
Which is more actively maintained, Baïkal or Radicale?
Radicale had more commits over the last 12 months (1,662 vs 26). The last recorded activity was 2026-11-03 for Baïkal and 2026-11-04 for Radicale. Our health labels: Baïkal is “Active”, Radicale is “Active”.
What licenses do Baïkal and Radicale use?
Both use GPL-3.0.
Can I run Baïkal and Radicale with Docker?
We did not detect a Docker Hub image for either app. Check each project's documentation for install options.
Read more
Radicale
Simple calendar and contact server with extremely low administrative overhead.
Browse all self-hosted Calendar & Contacts apps.