Is there a secure, self hosted address book suitable for journalists?

Question

I have a friend who is a journalist who wants to ditch CalDAV and the rest since finding out contacts aren't encrypted on the server. Is there some sensible solution for keeping a contacts book like journalists do?

rovr138 · Accepted Answer

Possibly something like EteSync would be good.- https://www.etesync.com/- https://github.com/etesync