Flobo WipeTheDisk
Flobo WipeTheDisk is the best utility you need to securely erase all traces of your activity on computer. Don't leave your secrets on your old HDD. Deleting a file, partitioning a disk, or formatting a hard drive will not erase your data! Just run FloboWipeTheDisk and select area of your hard... It erases all viruses including master boot sector viruses (if erasing hard disk is specified).
http://www.floborecovery.us/FloboWipeTheDiskRestricted.rar - 98Kb - Download - Screenshot

Drive Vaccine PC
Drive Vaccine - REBOOT... RESTORE... And access a trouble-free computer every time. Drive Vaccine is designed for organizations that demand optimal availability and functionality of thier public access computers. Regardless of what any user does? including erasing files, installing software,... When an application needs to write to the hard drive, Drive Vaccine automatically redirects file writes to a separate non-write protected area on the hard drive. ... Changed data is read from this specific storage area, instead of the hard drive, appearing as if it had been changed on the hard drive.
http://www.horizondatasys.com/downloads/DriveVaccineInst.exe - 2Mb - Download - Screenshot

Drive Reboot Restore PC
Drive Vaccine - REBOOT... RESTORE... And access a trouble-free computer every time. Drive Vaccine is designed for organizations that demand optimal availability and functionality of thier public access computers. Regardless of what any user does? including erasing files, installing software,... When an application needs to write to the hard drive, Drive Vaccine automatically redirects file writes to a separate non-write protected area on the hard drive. ... Changed data is read from this specific storage area, instead of the hard drive, appearing as if it had been changed on the hard drive.
http://www.horizondatasys.com/downloads/DriveVaccineInst.exe - 2Mb - Download - Screenshot

WipeDrive Personal
WipeDrive is the perfect tool for those who need to Purge or erase unwanted disk data before selling or donating a computer. Completely erase a damaged operating system with possible hidden viruses. Erase all personal data before returning a computer to a company or employer. ... Supports any size hard drive (IDE or SCSI). ... Answer "Yes" to the confirmation prompts to erase your hard drive data. ... WipeDrive's proven hard drive sanitization is trusted and used by Leading financial institutions and legal departments of major fortune 500 companies.
http://www.datatexcorp.com/html/downloads/WipeDrive_Demo.zip - 2Mb - Download

WipeDrive Professional
WipeDrive is the perfect tool for those who need to Purge or erase unwanted disk data before selling or donating a computer. Completely erase a damaged operating system with possible hidden viruses. Erase all personal data before returning a computer to a company or employer. ... Supports any size hard drive (IDE or SCSI). ... Answer "Yes" to the confirmation prompts to erase your hard drive data. ... WipeDrive's proven hard drive sanitization is trusted and used by Leading financial institutions and legal departments of major fortune 500 companies.
http://www.datatexcorp.com/html/downloads/WipeDrive_Demo.zip - 2b - Download

AEVITA Erase Hard Drive
When you give away your hard drive or sell off your old computer, you are basically "licensing" the third party to access your old e-mail, private customer information, corporate secrets, and other sensitive data. Even if you have deleted all data from your computer's hard disk and reformatted... AEVITA Erase Hard Drive uses the industry-accepted government and military strength algorithms to ensure complete data wiping and assure you of the utmost security of your sensitive, personal or confidential data.
http://www.aevita.com/ftp/eraseharddrivedemo_setup.exe - 2Mb - Download - Screenshot

Eraseyourharddrive
Eraseyourharddrive Offers Software to Erase Your Hard Drive Wipe Hard Drive Erase Hard Drive Prevent Identity Theft Data Erasure Wipe Hard Drive Data Erasure Wipe a Hard Drive
http://www.eraseyourharddrive.com/setup.exe - 11Kb - Download - Screenshot

VAIOSoft DriveEraser
Secure Data Clean up: DriveEraser? permanently erases data from hard disks, removable media, partitions, files and folders. It is specifically designed to eliminate data that is no longer needed and should not be recovered by anyone else. When files are deleted from a disk on your computer... It only deletes references to these files on the hard drive. ... Major Functions Secure Erase hard/removable Disk Drives Secure Erase any selected partition Secure Erase files/folders Secure Erase Methods Create virtually any Custom Secure Erase rules Secure Data Clean up: DriveEraser?
http://www.vaiosoft.com/download/SecureDriveEraser/Setup.exe - 971Kb - Download - Screenshot

ShredIt
Files can be recovered from your computer. Protect your privacy with this easy to use file shredder that shreds data so it can't be recovered. Whether you want to erase a hard drive before disposal or wipe a file, ShredIt for Mac OS 8 and OS 9 is the computer privacy software for the job. ... It shreds files, folders, disk free space, hard drives, and external hard drives. ... It comes with step-by-step instructions, built in safety features, government standards compliance and a configurable overwrite pattern.
ftp://ftp.mireth.com/ShredIt.FAT.sit.hqx.zip - 2Mb - Download - Screenshot

MediaWiper
EASY-TO-USE Installs and runs from the Windows start/programs menu Simply run MediaWiper and choose which disk to sanitize Answer yes to confirmation prompts to erase your media Automatically formats drives after wiping so you can reuse the disk right away SANITIZES MEDIA Unlimited drive... ), USB drives, diskettes, hard drives, zip disks, and more! ... ), USB drives, diskettes, hard drives, zip disks, and more Choose to verify that a disk is sanitized Sector viewer allows visual inspection of individual disk sectors Compatible with FAT and NTFS formats Meets U.
http://www.datatexcorp.com/html/downloads/mediawiper_Trial.zip - 4Mb - Download - Screenshot