Cisdem iPhoneCleaner - Safe iPhone cleaner to clean iPhone, iPad, iPod touch junks to free up space and backup iPhone Mac.
dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
iMyfone Umate - iMyfone Umate is an iPhone space saver which helps iPhone/iPad/iPod touch users free up iPhone...
AllDup - AllDup is a freeware tool for searching and removing file duplicates on your Windows computer.
IceCream - Free up space fast and never miss a moment again
Czkawka - Multi functional app to find duplicates, empty folders, similar images etc.