Other Backup Programs
It's good to keep tabs on what the competition is doing, to inspire similar ideas in Déjà Dup, to be able to point users at something that may fit their needs better, or to see where we fall behind in the state of the art.
Linux Backup Programs
Active
Back In Time: Qt
Inactive
luckyBackup: Qt
Simple Backup: GTK
FlyBack: GTK
TimeVault: GTK
Keep: Qt
Time Drive: Qt, duplicity-based
KBackup: Qt