VisiPics - VisiPics does more than just look for identical files, it goes beyond checksums to look for similar...
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...
Pixiple - Find images similar in pixel and/or metadata content
IceCream - Free up space fast and never miss a moment again