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.
ABAN - ABAN is a boot CD/USB stick for securely wiping all the disks in a computer.
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!