Smooze Pro

Smooze Pro animates your scroll and adds functionality to your scroll-wheel mouse

And much more:

* Smooth Scrolling - Every app you own will have buttery smooth scrolling.
* Buttons - Save time by attaching mouse buttons to actions
* Gestures - Assign gestures to any button / shortcut / app
* Grab & Drag & Throw - You can now use a mouse button to grab and scroll anywhere on the screen. Throwing will animate the scrolling just like it would on a trackpad.
* Auto Scroll - You can now click a selected mouse button once to auto scroll anywhere on the screen, hands free, with buttery smooth animations!
* Multi Display - All settings can now be configured per app per display.
* CPU Friendly - Highly optimized & Uses a very small percentage of your CPU, even on excessive use.
* High FPS - Smooze synchronizes its drawings to the refresh rate of your display which ensures the best scrolling experience.
* Per-app per-display settings

Free: 
* Disable acceleration - Disable scroll acceleration and select the number of lines you want to scroll on each tick. These features are, and will always be, free!