[busterarm]

They've offered CalDAV and CardAV since June, they just don't advertise it particularly well. Check the Thunderbird documentation.

Oh and it's in Beta.

It's just much easier for me to host that myself, as opposed to email, so I do.

[tweetle_beetle]

It's been a while since I last looked, seems like it was added over the summer. Thanks for the correction - I'll be checking it out very soon.