File Own Guard 2.1
File Own Guard designed for strong file encryption with multi-choice compression on the fly by a range of crypto-algorithms, secure file removal (shredding) using one of the eight special algorithm (DoD, military or government approved), and also many other useful security features, which will protect your valuable data. Very useful ability to create Self-Extracting Crypt Archives.

Master Shredder 1.0.5
Master Shredder is a files wiping utility. Files deleted by this software cannot be recovered by any third party software or hardware. Master Shredder can securely delete your important files using 18 wiping algorithms, including U.S. DoD 5200.28, NATO Data Destruction Standard, U.S. Air Force Standard, and etc. It also helps you to erase all traces on computer: Typed and visited URLs in IExplorer and FireFox and many other traces.

NShred 2.2.1027
Definitively erase and destroy any Windows folder or file using low level overwrite and standard procedures such as US Department of Defense DOD 5220.22-M (5 overwrites ) or Gutmann (32 overwrites). With NShred you can eliminate confidential information and data from PC drives. Name, size, and contents of erased file can never be recovered, by any software or hardware means. Shred unused disk space and run unattended.

File Eraser 1.1.1.2
When you delete a file, Windows changes a special byte and marks the occupied space as free space. But the file contents remains unchanged on the disk. You can easily restore such a file with special software. It is not the way to delete confidential information. This program overwrites the deleted file a few times in different ways with random numbers.