Use seafile with thunderbird to synchronize a calendar

You need a seafile server that can use the webdav.

Your webdav adress is accessible through https://server/seafdav/library/calendar.ics`.

In thunderbird:

1. go to calendar tab,
2. click on +,
3. select "on the network",
4. enter:
   • your username,
   • the location: https://server/seafdav/library/calendar.ics`.
5. it will ask for credentials, enter them.

This way, the calendar is synced directly through the webdav protocol, you don't need to add the library through your client this way.