Setting up a mouse wheel to scroll a screen at a time, or some lines, can be done in the Windows Control Panel > Mouse > Wheel. I usually have the “screen at a time” option ::More

OdoPlus is a free, small and portable application that will help you track the distance your mouse pointer travels on the screen, know how often you click each mouse button and in which part of the ::More

TyphoonWand is supposed to let you access your most frequently used programs and run basic computer functions using only the movement of your cursor on the screen. Unfortunately TyphoonWand ::More

Numpad Mouse is a free, well written and very convenient autohotkey script that makes mousing with a keyboard almost as easy as using a real mouse (even easier for some tasks). It supports up to ::More

WizMouse is a free utility that will make your mouse wheel work on a window currently under the mouse pointer, instead of the currently focused window. This means that you will no longer have to ::More