Baïkal
Baïkal is an open-source, self-hosted app in the Groupware & Calendars category, licensed GPL-3.0 and written mainly in PHP. It is a self-hosted alternative to Google Calendar. It has 3,349 GitHub stars and its last commit was on Oct 19, 2026 (data as of Oct 26, 2026).
GitHub stats
- GitHub stars
- 3,349
- Forks
- 322
- Open issues
- 99
- Commits, last 12 months
- 32
- Last commit
- Oct 19, 2026
- Latest release
- 0.13.0Oct 19, 2026
- Created
- Feb 27, 2012
- License
- GPL-3.0Open source
Data as of from the GitHub API. Report an error
Project health
ActiveActive: last commit Oct 19, 2026, 32 commits in 12 months.
- Regular releases5 releases in 12 months
- Security policyPublishes a security policy on GitHub
| Last commit | Oct 19, 2026 |
|---|---|
| Commits, last 12 months | 32 |
| Latest release | 0.13.0 (Oct 19, 2026) |
| Releases, last 12 months | 5 |
| Releases, all time | 36 |
| Open issues | 99 |
| Open pull requests | 10 |
| Good first issues | 0 |
| Contributing guide | No |
| Security policy | Yes |
| Created | Feb 27, 2012 |
Health as of , from the GitHub API. A label describes activity, not quality or security. How we label project health · Report a data error
About Baïkal
Lightweight CalDAV and CardDAV server based on sabre/dav.
Description adapted from awesome-selfhosted (CC BY-SA 3.0). Source code: github.com/sabre-io/Baikal.
Open-source alternative to
Baïkal can replace these commercial products. Compare every option on each page.
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Is Baïkal free and open source?
Yes. Baïkal is open-source software released under the GPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run Baïkal with Docker?
Baïkal does not list an official Docker image. It installs natively (PHP), so follow the install steps in its README or look for a community-maintained container.
What are the best alternatives to Baïkal?
Popular self-hosted alternatives to Baïkal include Nextcloud, Seafile and Colanode. Baïkal itself is a self-hosted alternative to Google Calendar.
Is Baïkal actively maintained?
The most recent commit to Baïkal was on Oct 19, 2026 with 32 commits in the past twelve months. The latest release is 0.13.0, published Oct 19, 2026. It had 99 open issues on GitHub. appsgit's project-health label for it is "Active" as of Oct 26, 2026.