This has been updated and looks useful. The trial version however only allows you to clean out 200mb of stuff.
CleanMyMac represents sophisticated all-in-one-suite utility that helps keep your Mac clean and healthy. With just two simple clicks you can delete
useless files that basically pile up and waste your valuable disk space. CleanMyMac allows enjoying smooth system performance combining such vital features as Slim Universal Binaries, Clean Unneeded Languages, Logs Rotation, Clean Caches, Quick and Secure Erase, Application Uninstallation, and Killing Trash Left From Buried Applications. CleanMyMac can save gigabytes of disk space and enhance your computer speed. Go ahead and give it a shot! Your Mac will definitely be grateful!
Any application running on your Mac leaves numerous support files, which won’t just get to Trash once you remove the app. CleanMyMac will locate and erase all “leftovers” from your system files to enable you to easily install and uninstall new programs whenever you need.
The more junk files are stored on your Mac the slower it will work. Processes of saving and storing unnecessary files take your priceless time. Using CleanMyMac will professionally help your Mac reduce the amount of operations required for your online and offline activities.