Eraser is a file destruction tool allows you to completely delete or erase sensitive data from your hard drive, flash drive or other attached disk in an attempt to make the file data unrecoverable. One of six data destruction methods can be used.
WipeDisk is a small portable secure file deletion tool. It can be used to securely wipe both logical and physical hard disks, USB flash memory sticks and micro sd cards.
DPWiper is a small portable file shredder utility that allows a user to delete or "Wipe" both files and folder securely via Drag & Drop. With it, a user can delete files normally (not secure), utilize a Single overwrite by performing a DoD Wipe (US Department of Defense of Defense 5220.
UltraShredder is a Portable application that allows a user to Securely Delete or Shred files. It does this by overwriting the information with random characters.