Ever wanted to use a Wii Remote, pheraps a Multitouch surface or the Microsoft Kinect to control your application/game even if web based? If so, then MonoMIG (Multi Input Gateway) is what you are looking for!
WiimoteCommander is a tool for connecting a wii remote or "wiimote" (with extensions) to a PC (Windows or Linux) or a MAC. You can then see up to 7 wiimotes and extensions in order to manage them (events, rumble, speaker, LEDs, and 3D viewer).
Blue Pad turns your cellphone into a remotePC controller over bluetooth.
It is useful for playing games, control presentations and video/audio away from the computer.