KeyLaunch
Key launch (keylaunch), application launcher :: find a program in menu start by typing a few characters from its title - application launcher
http://www.konradp.com/products/keylaunch/
NumPad Mouse
Come to cnet download.com for free and safe numpad mouse downloads. use numpad keys to control your mouse.
http://www.download.com/numpad-mouse/3000-2347-10514657.html
PrevRSI
Prevrsi is an opensource rsi prevention tool. it will warn the user to take a break and not to work with the computer.
http://prevrsi.sourceforge.net/
RSI-rest
RSI-rest
http://www.it-improves.nl/rsi-rest.htm