BetterTouchTool for Mac adds many new, fully customizable gestures to the Magic Mouse,Multi-Touch MacBook trackpad, and Magic Trackpad.   These gestures are customizable: Magic Mouse: Pinch in / out (zoom) single-finger tap left single-finger tap right single-finger tap middle single-finger tap single-finger click middle two-finger tap two-finger click two-finger swipe (up/down/left/right) two-finger tip tap left/right three-finger tap three-finger click three-finger swipe (up/down/left/right) four-finger swipe up/down four-finger click TipTap left/right   Touchpad: single-finger tap top-left single-finger tap top-right single-finger tap top-middle single-finger tap bottom-left single-finger tap bottom-right single-finger tap bottom-middle single-finger tap left-middle single-finger tap right-middle two-finger tip tap left/right three-finger swipes (up/down/left/right) three-finger tap three-finger click four-finger swipes (up/down/left/right) four-finger tap five-finger tap five-finger swipe up/down/left/right (see FAQ) TipTap two-finger TipTap three-finger TipTap