Radicale
The facts below are what the maker publishes about Radicale, checked and dated. Our editors have not written about it yet.
Plans and prices
From Radicale's own pricing page, checked 12 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free and open-source | Free | GPLv3-licensed software · self-hosted CalDAV/CardDAV server |
The facts
Each one read from Radicale's own pages, with the date it was checked.
What it does
- Authentication and access
- It offers flexible authentication options and can restrict access through authorization policies.checked 12 Oct 2026
- Calendar sync
- two_waychecked 22 Sep 2026
- Connection limits
- It limits parallel connections, file size, and incorrect authentication attempts, and terminates connections after a timeout.checked 12 Oct 2026
- Deployment
- The project provides installation options through PyPI, source packages, Linux distribution packages, and Docker images for linux/amd64 and linux/arm64.checked 12 Oct 2026
- Extensibility
- Radicale can be extended with plugins, including authentication, rights management, web, and storage plugins.checked 12 Oct 2026
- Integrations
- The project lists tested clients including DAVx⁵, OneCalendar, GNOME Calendar and Contacts, Evolution, KDE PIM applications, Thunderbird, and InfCloud.checked 12 Oct 2026
- Product scope
- Radicale describes itself as a server and says it will not provide interfaces for working with the server.checked 12 Oct 2026
- Security
- It can secure connections with TLS; its default server configuration binds to localhost.checked 12 Oct 2026
- Shared calendars
- Yeschecked 22 Sep 2026
- Storage
- It stores data on the file system in a simple folder structure.checked 12 Oct 2026
- Supported data
- It supports events, to-dos, journal entries, and business cards.checked 12 Oct 2026
- Supported operating systems
- The project says Radicale runs on most UNIX-like platforms, including Linux, *BSD, and macOS, as well as Windows.checked 12 Oct 2026
- What it does
- Radicale is a CalDAV and CardDAV server for sharing calendars, to-do lists, and contacts.checked 12 Oct 2026
- Who it is for
- Radicale describes itself as a lightweight, easy-to-install and easy-to-configure server for storing and manipulating multiple calendars and address books.checked 12 Oct 2026
Money
- Free plan
- Yeschecked 22 Sep 2026
Where it runs
- Mobile apps
- androidchecked 22 Sep 2026
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