Awesome
Baïkal
This is the source repository for the Baïkal CalDAV and CardDAV server.
Head to sabre.io/baikal for information about installation, upgrading and troubleshooting.
A German tutorial about installation of Baïkal, using it together with Thunderbird, Android and DavX5, sharing calendars, database maintenance and security can be found here. Its focus is for people with not so much IT experience. Therefore it is very detailed, step by step with a RaspberryPI used as server.
With the same objective, a French guide, about installation on Debian, database maintenance, security and dealing with iOS clients can be found here. Its focus is also for people with not so much IT experience.
Upgrading
Please follow the upgrade instructions.
Credits
Baikal was created by Jérôme Schneider from Net Gusto and fruux and is now developed by volunteers. Many thanks to Daniel Aleksandersen (@zcode) for greatly improving the quality of the project page.