WipeFile - WipeFile erases files and folders secure and fast.
Blancco Drive Eraser - Hard Drive Erasure Software
SDelete - Securely overwrite your sensitive files and cleanse your free space of previously deleted files using this DoD-compliant secure delete program.
Wiperapp - Software build to meet all needs of companies dealing with erasing data on daily basis.
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.
HDShredder - HDShredder by Miray Software deletes entire hard disks, partitions or other storage media securely and according to international standards if desired. Safely recycle your hard drive!