Radicale
Radicale is an open-source, self-hosted app in the Groupware & Calendars category, licensed GPL-3.0 and written mainly in Python. It is a self-hosted alternative to Google Calendar. It has 5,145 GitHub stars and its last commit was on Oct 25, 2026 (data as of Oct 26, 2026).
GitHub stats
- GitHub stars
- 5,145
- Forks
- 539
- Open issues
- 8
- Commits, last 12 months
- 1,653
- Last commit
- Oct 25, 2026
- Latest release
- v3.9.0Oct 25, 2026
- Created
- Aug 11, 2011
- License
- GPL-3.0Open source
Data as of from the GitHub API. Report an error
Project health
ActiveActive: last commit Oct 25, 2026, 1,653 commits in 12 months.
- Regular releases10 or more releases in 12 months
- Security policyPublishes a security policy on GitHub
| Last commit | Oct 25, 2026 |
|---|---|
| Commits, last 12 months | 1,653 |
| Latest release | v3.9.0 (Oct 25, 2026) |
| Releases, last 12 months | 10 or more |
| Releases, all time | 85 |
| Open issues | 8 |
| Open pull requests | 4 |
| Good first issues | 0 |
| Contributing guide | Yes |
| Security policy | Yes |
| Created | Aug 11, 2011 |
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 Radicale
Simple calendar and contact server with extremely low administrative overhead.
Description adapted from awesome-selfhosted (CC BY-SA 3.0). Source code: github.com/Kozea/Radicale.
Topics
- python
- caldav
- icalendar
- carddav
Open-source alternative to
Radicale can replace these commercial products. Compare every option on each page.
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Is Radicale free and open source?
Yes. Radicale 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 Radicale with Docker?
Radicale does not list an official Docker image. It installs natively (Python and deb), so follow the install steps in its README or look for a community-maintained container.
What are the best alternatives to Radicale?
Popular self-hosted alternatives to Radicale include Nextcloud, Seafile and Colanode. Radicale itself is a self-hosted alternative to Google Calendar.
Is Radicale actively maintained?
The most recent commit to Radicale was on Oct 25, 2026 with 1,653 commits in the past twelve months. The latest release is v3.9.0, published Oct 25, 2026. It had 8 open issues on GitHub. appsgit's project-health label for it is "Active" as of Oct 26, 2026.