Interesting. I had not heard of restic, yet. My default backup choice has been borg[1] for a long time, so borgbase.com was a natural choice for off-site backups for me. They make Vorta a decent GUI client for borg - that's how I found out about them.
Can someone here give a comparison of borg and restic by any chance?
Borg supports local and SFTP backups while Restic supports more (a lot more). S3, Google Cloud, B2, etc. In fact, they integrate with rclone so anything you can access using rclone, you can backup to using Restic.
Borg uses compression while Restic does not. Restic just uses deduplication so your backups with Restic will likely be larger in size.
Anyway, that's what jumps to mind. They're both pretty great honestly (in terms of community support and reliability). There are a lot of other options too btw. The Restic repo has a pretty good list [1]