7 Like Linthesia Good alternative? YES NO Linthesia is a game. A game of playing music! You only need a MIDI file to play, and a MIDI keyboard (or your PC keyboard). It's a fork of Synthesia, which only... Free Open Source Linux No features added Add a feature Discontinued The project is no longer developed. Last version, 0.4.2, released in January 2010, can be still downloaded from SourceForge.