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Radicale is a server designed to support the CalDav and CardDav protocols. It requires at least Python 3.3.


Warning: Radicale got a major release change. You need to export old version 1.x calendars *before* you install version 2.x. Please, read.

Install the radicale package.


The main configuration file is located at /etc/radicale/config.

Many of the configuration options can be changed on the command-line:

$ radicale --help


Radicale can be integrated with HTTP webservers like Apache which support the mod_wgsi interface. This causes several options for the configuration of Radicale to be ignored, including: hosts, daemon, pid, ssl, certificate, key, protocol and ciphers keys in the [server] section of the config. Install the radicale module in the python path and write the .wgsi file (to document root).

# import radicale
# radicale.log.start()
# application = radicale.Application()

The next step is to set up a virtual host for radicale. An example:

<VirtualHost *:80>
    ServerName cal.yourdomain.org

    WSGIDaemonProcess radicale user=http group=http threads=1
    WSGIScriptAlias / /srv/http/radicale.wsgi

    <Directory /var/www>
        WSGIProcessGroup radicale
        WSGIApplicationGroup %{GLOBAL}
        AllowOverride None
        Order allow,deny
        allow from all

Client support

Since it uses the CalDav and CardDav protocols, it should support most clients. Currently, the officially supported list is this:

See also