CalDAV/CardDAV URL: https://dav.fruux.com
User name and password:
- either use your fruux login (email address) and password,
- or log in at fruux, go to Sync, add a new device, and use the user name and password for this specific device (e.g. user name b123456 and password xyzxyzxyz) – recommend because so you can manage your devices in the fruux Web interface.
Contact group method: groups are separate VCards (not supported in Web app yet)