Works great - very useful
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Blancco Secure Data Eraser - Blancco Secure Data Eraser is a user-friendly software that is designed to top leading organizations of all sizes to safely resell, respond or dispose of drives when they have reached end-of-life for security, compliance, and CSR purposes.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Coolmuster Android Eraser - Android Eraser is aimed at helping you to protect your personal data on Android mobile phone and Android tablet by erasing all data from the device securely and permanently.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
Wondershare dr.fone Data Eraser - Factory reset your phone isn't enough. Dr.Fone - Android Data Eraser helps completely erase everything on your Android phone and protect your privacy.