Radicale

Simple calendar and contact server with extremely low administrative overhead.

GitHub stars
5,110
License
GPL-3.0
Latest release
v3.8.3
8 October 2026
Last commit
9 October 2026
Runs on
Python, Debian packages

Commits per month, last 12 months

1,521 commits

Replaces

Paid products Radicale can stand in for.

How to self-host Radicale

Radicale runs on Python and Debian packages. The project's own install guide is the place to start; most people put it on a small server with Docker and a reverse proxy for HTTPS.

  1. Get a server: a home server, a VPS, or a managed app host.
  2. Install it the way the project's docs describe, usually with Docker Compose.
  3. Put it behind HTTPS and set up backups before you add real data.
  4. Update it regularly. Watch the project's releases.

New to self-hosting? Start with the beginner's guide.

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Questions

Is Radicale free?

Yes. Radicale is open source under the GPL-3.0 license, so you can use it without paying for a license. You pay only for the server it runs on.

Can I self-host Radicale?

Yes. Radicale runs on Python and Debian packages. Follow the install guide in the project's documentation, or use a host that installs it for you.

What does Radicale replace?

People use Radicale instead of Google Calendar or Google Contacts.

Is Radicale still maintained?

The last change to Radicale's code was on 9 October 2026, with 1521 commits in the last 12 months.

Topics

Calendar & Contacts

App data from awesome-selfhosted (CC BY-SA 3.0), stars and activity from GitHub.