1)   MirrorFolder 3.0
Backup software for automatic synchronization and real-time (RAID-1 type) mirroring of folders/drive from a local to another local/network/removable drives. Runs as service and allows easy setup of mirror through property page of folders in Explorer.

 2)   RTMirror 1.00
RTMirror lets you specify one or more folders on your local hard disk. As soon as you modify files in those folders, RTMirror will silently copy them to a different folder (either on another hard disk or on another networked computer).