bup (https://github.com/bup/bup https://github.com/bup/bup) kinda pioneered it... and as others have advised, restic, borg-backup and tarsnap do exactly that.

bup (https://github.com/bup/bup https://github.com/bup/bup) kinda pioneered it... and as others have advised, restic, borg-backup and tarsnap do exactly that. According to wikipedia, bup was released in 2010, 3 years after Tarsnap started doing this. (And Tarsnap wasn't the first either.)