X-CD-Roast is a flexible frontend for optical disc authoring. It combines command line tools like "cdrecord", "cdda2wav", "readcd" and "mkisofs" into a nice GTK based graphical user interface.
GTBACKUP is a server / client backup application designed to utilize RSYNC to create full offsite (or onsite) backups of Windows and Linux servers. This includes the ability to create differential backups to save space on your backup server.