Baikal [1] is another alternative. It works fine for me. Unfortunately CalDAV is quite an awkward standard for calendars and not supported by everything, so no

Baikal [1] is another alternative. It works fine for me. Unfortunately CalDAV is quite an awkward standard for calendars and not supported by everything, so none of these implementations are perfect, but for my purposes it works well and I've found enough things that support it. It also supports CardDAV which can be used for contact syncing. [1] http://baikal-server.com/ http://baikal-server.com/