Baïkal

Baïkal is a lightweight CalDAV+CardDAV server. It offers an extensive web interface with easy management of users, address books and calendars. It is fast and simple to install and only needs a basic php capable server. The data can be stored in a MySQL or a SQLite database.

Baïkal allows to seamlessly access your contacts and calendars from every device. It is compatible with iOS, Mac OS X, DAVx⁵ on Android, Mozilla Thunderbird and every other CalDAV and CardDAV capable application. Protect your privacy by hosting calendars and contacts yourself - with Baïkal.

• Download
• Installation instructions
• Installation using Docker (unofficial)
• Upgrade instructions

Baïkal is free and open-source, developed by Net Gusto and fruux together with many contributors. It is released under the GNU GPL v3 license.
Baïkal is powered by sabre/dav, while offering an administrative interface for easy management.