Although the touchpad mac itself is useful, but sometimes he can not help with the mouse, or your external monitor when. Recommended two software lets your mouse in mac and win as smooth.
SteerMouse
SteerMouse buttons can be assigned different functions, including assigning a double click click, modifiers, application switching, shortcuts, "aligned", cursor movement, cursor movement target (e.g., OK button), and more.
SteerMouse allows you to control the speed on the track cursor sensitivity. (Apple's software only allows tracking speed adjustment) to adjust the configuration, you can customize the cursor to the ideal environment for the movement of your hand.
Official website address: http://plentycom.jp/en/steermouse/
cracked version Address: https://xclient.info/s/steermouse.html
SmoothScroll
Mouse wheel scrolling frame by frame effect is not always a smooth touch pad, Smooth Scroll allows smooth scrolling applied to every corner of the system, so that the mouse wheel up there with the feeling of the touchpad.
Official website address: https://www.smoothscroll.net/mac/
Cracked version Address: https://xclient.info/s/smoothscroll.html