Xandikos is a lightweight yet complete CardDAV/CalDAV server that backs onto a Git repository. Xandikos is a standards-compliant CalDAV/CardDAV server that backs onto a Git repository. It supports the following standards:

RFC4918/RFC2518 (Core WebDAV) - implemented, except for COPY/MOVE/LOCK RFC4791 (CalDAV) - fully implemented RFC6352 (CardDAV) - fully implemented RFC5397 (Current Principal) - fully implemented RFC3253 (Versioning Extensions) - partially implemented RFC3744 (Access Control) - partially implemented RFC5995 (POST to create members) - fully implemented

Xandikos takes its name from the name of the February month in the ancient Macedonian calendar, used in Macedon in the first millennium BC.