Performous is an open-source karaoke, band and dancing game where one or more players perform a song and the game scores their performances. It supports songs in UltraStar, Frets on Fire and StepMania formats. (GPL)
Windows - MAC OS X - Linux
StepMania is a free dance and rhythm game. It features 3D graphics, keyboard and dance pad support, and an editor for creating your own steps. (GPL)
Linux - MAC OS X - Windows
2 applications