Doppelganger Doppelganger is a backup and restore utility that sits in the system tray and protects against the loss of important data in the event of a disk crash by copying selected files and folders to a second ... Cost: $22 Buy full version       Trial version       Publisher: Paul Evans     Descriptions Doppelganger: Doppelganger is a backup and restore utility that sits in the system tray and protects against the loss of important data in the event of a disk crash by copying selected files and folders to a second hard drive, removable drive (eg Zip Drive) or network drive at user configurable time intervals. Optionally, Doppelganger can perform backups during Windows startup and shutdown. Selection of files and folders is achieved using drag and drop operations.