IceClean is a powerful System Maintenance and Optimization Tool using only UNIX built-in System Tasks to help your Mac stay healty and to keep it running smoothly.
Many international users have keyboards with the U.S. layout, and are accustomed to typing accented characters with the key sequences of the Windows "U.S. - International" keyboard layout. They often don't wish to get used to the Mac's option-key sequence
NightShift automatically downloads and updates WebKit, the Safari HTML rendering engine, to the latest nightly version. No user intervention is required, everything is fully automated.