jitouch is a Mac application that expands the set of Multi-Touch gestures for the new MacBook and the new Magic Mouse.
jitouch not only eases your simple tasks but also fulfills many missing functions for your Mac, for example, the middle click for the Trackpad and Magic Mouse, the full-screen maximizing function, arranging windows side by side just like Windows 7 but way faster, moving and resizing windows by grabbing anywhere on the window, showing desktop and Expos