BackupChain - BackupChain Backup Software backs up your system, virtual machines, and databases while running.
Sandboxie - Sandboxie is a program for Windows that is designed to allow the user to isolate individual programs on the hard drive.
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
Shadow Defender - Shadow Defender is an easy-to-use PC/laptop security and privacy protection tool for Windows operating systems. DownloadShadow Defender is an easy-to-use PC/laptop security and .
Reboot Restore Rx - Reboot Restore Rx (freeware) prevents any and all changes made on your drive(s) making those PC's bulletproof and unbreakable.
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.