Contacts and calendars sync without a server (Syncthing + Radicale)
How to sync contacts and calendars between desktop and Android (without root)
You can have untrusted peers in Syncthing that only receive an encrypted copy of your data.
Hmm, I did not know that. Thanks
This does not need a server.
How do you guys can see a deleted comment wtf. I deleted it for a reason, because I noticed that my comment was dumb and stupid after I posted it
Inbox, didn't even see it was deleted until I clicked through.
