http://blog.tom-rogers.com/ - CCleaner is a very popular application among Windows optimization communities and for good reason - it\'s packed full of options! It doesn\'t just let you clean but also removes invalid registry keys. Today I will be showing you a free tool to do the same on your mac.CCleaner:\nhttp://www.ccleaner.com/\n\nOnyX:\nhttp://www.titanium.free.fr/pgs/english.html ccleaner, clean, computer, electronics, gadget, game, mac, onyx, optimize, speed, tutorial, video, windows