Active@ KillDisk - Active@ KillDisk allows you to destroy all data on hard and floppy drives completely, excluding any possibility of future recovery of deleted files and folders.
Permadelete - Permadelete is an easy-to-use and beautiful app for windows that can delete files and folders...
Eraser - Eraser is an advanced security tool (for Windows), which allows you to completely remove sensitive...
Blancco Drive Eraser - Hard Drive Erasure Software
BCWipe - Use BCWipe, Jetico's solution to wipe files, wipe Data Remanence, wipe free space beyond forensic recovery, including responding to classified data spill.
Diskdeleter - Diskdeleter is data removal software that helps protect your privacy by securely deleting data from your hard drive.