O(log9(N)) keyboard mouse for OSX that uses the Numpad. Written in MacRuby.
When you press Numpad0 it displays a grid on your screen with 9 rectangles and a dot in the center.
By pressing numpad keys you can narrow the grid down.
When the dot is on the place you want to click, press NumpadEnter for left click and Numpad+ for right.
You can press Numpad. to cancel.
As a shortcut pressing any of the numbers before Numpad0 displays the grid narrowed to that area without showing the full screen grid.
I've recorded a video demoing QuickMouse and explaining how to use it. https://www.youtube.com/watch?v=-uLgPxs1_2A
