• OnyX is a multifunction utility for Mac OS X which allows you to verify the Startup Disk and the structure of its System files, to run misc tasks of system maintenance, to configure some hidden parameters of the Finder, Dock, QuickTime, Safari, iTunes, Login window, Spotlight and many Apple’s applications, to delete caches, to remove a certain number of files and folders that may become cumbersome and more.
• Maintenance is a System Maintenance and Cleaning utility for Mac OS X which allows you to run misc tasks of system maintenance: repair permissions, run periodic scripts, reset Spotlight’s Index, rebuild the LaunchServices database, delete Application, Font and System cache, check the status of the Hard disk...
• Deeper is a personalization utility for Mac OS X which allows you to enable and disable the hidden functions of Finder, Dock, QuickTime, Safari, iTunes, Login window, Spotlight and many Apple’s applications...

Comments:

thanks i was a little confused being that thier downloads are on the same site.