Syncthing has file versioning but I don't know for sure if it's suitable for backup. https://docs.syncthing.net/users/versioning.html https://docs.syncthing.net

Syncthing has file versioning but I don't know for sure if it's suitable for backup. https://docs.syncthing.net/users/versioning.html https://docs.syncthing.net/users/versioning.html