WipeFile - WipeFile erases files and folders secure and fast.
iShredder - PROTECTSTAR is a leader in providing Secure Deletion (Erasure) software products: PROTECTSTAR has served more than 2,000,000 customers worldwide and earned a reputation as a leader in providing innovative security solutions.
SDelete - Securely overwrite your sensitive files and cleanse your free space of previously deleted files using this DoD-compliant secure delete program.
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.
Darik's Boot and Nuke - Erase hard drives, desktops, laptops or servers free with a Darik's Boot and Nuke (DBAN) download. Try it now.
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.