Dual Display Mouse Manager (DDMM)is a Windows program for people who use 2 or more displays
http://ddmm.sourceforge.net/DDMM is a program for people who use 2 or more displays. It prevents the mouse from crossing from one display to another too easily, and allows teleporting mouse pointer between displays with a hotkey. See http://ddmm.sourceforge.net/ for details.
Features
Automatically adjusts to any display configuration changes
Hotkey to enable/disable
Hotkey to teleport mouse pointer between displays
Supports up to 3 displays
Tray icon reports the current monitor and status
http://ddmm.sourceforge.net/
https://sourceforge.net/projects/ddmm/