File Shredder - File Shredder is free desktop application for shredding (destroying) unwanted files beyond recovery.
Eraser - Eraser is an advanced security tool (for Windows), which allows you to completely remove sensitive...
WipeFile - WipeFile erases files and folders secure and fast.
Darik's Boot and Nuke - Erase hard drives, desktops, laptops or servers free with a Darik's Boot and Nuke (DBAN) download. Try it now.
Hardwipe - Hardwipe is a free file wiper and drive cleaner for Windows.
ABAN - ABAN is a boot CD/USB stick for securely wiping all the disks in a computer.