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.
Diskdeleter - Diskdeleter is data removal software that helps protect your privacy by securely deleting data from your hard drive.
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.
Blancco Drive Eraser - Hard Drive Erasure Software
HDD Wipe Tool - HDD Wipe Tool is a freeware utility for low-level hard disk drive erasing.
WipeDrive - Download WipeDrive Home for free using discount code: HOMEFREE