There is Syncthing of course [0], which is quite easy to set up. Also if you need your storage to be always online, there's rclone [1]. Some privacy focused ma

There is Syncthing of course [0], which is quite easy to set up. Also if you need your storage to be always online, there's rclone [1]. Some privacy focused mail providers (like mailbox.org) have cloud capabilities too. [0] https://syncthing.net/ https://syncthing.net/ [1] https://rclone.org/ https://rclone.org/