Just like Time Machine, Backup Buddy will create a chronological archive of your data, each time updating only the changes. But unlike Time Machine, in Backup Buddy you can control exactly what will be backed up as well as when and where the backup will occur. Also you can add multiple backups, each with a different destination.
You can also choose to automatically place your backup data inside a disk image file, which can be very useful in situations where you want to store your data on a network volume that is not Mac-formatted (an SMB server of example).
Some of the key features of backup Buddy are: