Lightshow

The Spacializer Widget represents multiple sound samples, each as a luminescent orb of color. The volume of each sample varies depending upon how close your mouse pointer is to the associated colored orb. The widget height and width are configurable via WordPress' widget admin panel.#... Platforms: PHP

XPLSISNJASP (what a great name right?) is XMMS Visualization plugin. It is a LightShow via Parallel Port, but you can plug in your favourite electronic disasters (toasters, TVs, etc..) and let all jump and roast in rhythm of XMMS! ;-). Platforms: *nix

PowerBlinken is a small and incredibly useless Mac OS X application that allows you to use your PowerBook or MacBook Pro as some sort of lightshow. It allows you to set transition, fading and blinking intervals on your PowerBook's backlit keyboard and LCD display. It requires a PowerBook or... Platforms: Mac