MHDD - MHDD is the most popular freeware program for low-level HDD diagnostics.
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.
HDD Regenerator - HDD Regenerator is a unique program for regeneration of physically damaged hard disk drives.
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.
Hard Disk Sentinel - Monitoring hard disk health and temperature. Test and repair HDD problems and predict failures.
Shreddit - Data Eraser - Shreddit is a data eraser app that effectively deletes confidential data from your Android device.