1)   Data Destroyer 6.57
A program for secure file deletion and disk wipe which destroys (by overwriting) data in multiple files and multiple folders on floppy, ZIP or hard disk so that the data cannot be recovered. Single-file or batch-mode operation.
data destroyer, disk wipe, purge, file purge, secure deletion, secure file deletion, sanitize, sanitization, DoD, Defense,

 2)   FILExtinguisher 1.2
FILExtinguisher offers 14 levels of delete methods from a very fast zero-write to extremely high security NATO level data wiping.
secure data wiper, data delete, disk wiper, file wiper, secure erase, data destroyer,