DAVx⁵ :android:🔄 on Nostr: On the server side there is a directory that stores contacts and calendars in ...

On the server side there is a directory that stores contacts and calendars in vcard/ical format. This https://www.davx5.com/tested-with/ shows some examples. If the server is able to provide these data via the CalDAV and CardDAV protocol you can use our app to sync it down to your Android device.