TIL Borgbase. The UI looks great for snapshot-oriented backups, and it's good to see them fund borgbackup development.
rsync.net does not support append-only mode, despite advertising it: https://news.ycombinator.com/item?id=32756653
Unavailability is occasionally expected. Don't rely on a single provider to be your sole backup.
Any one have any experience with Hetzner Storage Boxes for this?