Gestr

Launch applications/bookmarks on your Mac with trackpad gestures you define - a revolution in multitasking which leaves just natural touch between you and your applications - no folders, no keyboard shortcuts, and most importantly, no Dock! With your gestures assigned, all it takes is a four finger tap (UPDATE: with quickdraw mode enabled, you can draw with three fingers together, no activation tap necessary!) to make your trackpad your multitasking canvas!