Witch is a neat little utility that gives you Mac Switchers an Alt-Tab key combination to switch applications. Instead of clicking all over your desktop looking for the open window that contains the application you’re looking for–after all it might be in a separate Space altogether–you simply have a elegant little pop-up panel from where you can quickly click the application or window you need.
I love little time-saving tools like this and I have installed this application myself. I can report that it works as advertised and I recommend it to anybody who has more than six or eight windows open at a given time: nowadays that’s probably just about everyone.

