Works great - very useful
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Diskdeleter - Diskdeleter is data removal software that helps protect your privacy by securely deleting data from your hard drive.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
DriveStrike - Remote Wipe on any operating system in one place using DriveStrike. Data Breach Protection for your laptop, smartphone, and tablet.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
Wiperapp - Software build to meet all needs of companies dealing with erasing data on daily basis.