Win32 Disk Imager - Create and restore image backups of disk drives.
Truck - A faster alternative to FTP
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
MirrorFolder - MirrorFolder is a real-time folder synchronization and backup software
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
CopyQueue - CopyQueue - Copying under control.