I'm not 100% sure because I haven't used it for few years, but BackupPc normally lets you browse the files of a specific backup set but it has also a "history"

I'm not 100% sure because I haven't used it for few years, but BackupPc normally lets you browse the files of a specific backup set but it has also a "history" function for a directory that maybe is what you're looking for: http://backuppc.sourceforge.net/BackupPCBackupBrowse.html http://backuppc.sourceforge.net/BackupPCBackupBrowse.html