RegClean Pro

RegClean Pro fixes invalid registry entries in a few simple clicks.
ShredIt Android

wipe data on android phone, tablet, tv so the data can't be recovered.
Wipe

delete browsing history, cookies, cache, temporary files, and other tracks.
Batik

Java to let you create a custom utility to find and delete all junk files.

filecleaner erases any internet history plus it permanently erase files