Le Biniou Music Visualization and VJing Software
Le Biniou is a free and open source sound visualization and VJing software for Linux and BSD. Using this you can produce various graphic effects, depending on a source input. You can use the audio from you system soundcard or you can use the recorded audio. It comes with integrated On Screen Display (OSD) and the news version also comes with a web interface. It is released under GPL-2.0+ license.