Teamplayer. On first run, it will ask you to name each computer (e.g., "Workstation", "Laptop").
The setup is simple:
To get started with Teamplayer 2.0.10 Free, simply: Teamplayer 2.0.10 Free
: Local multiplayer games that lack native multi-mouse support can sometimes be bridged using this tool for simultaneous input. ShareMouse for newer Windows versions? Teamplayer