Read and compose music following an easy to read notation. KLAVAR! is porting to MS Windows, Apple Mac OS X and Linux a graphic music sequencer/notation program based on the easy-to-read KLAVAR music notation, without clefs, sharps, flats or accidentals. It was originally written in GFA Basic for the Atari ST.

The license of this software is Free, you can free download and free use this music composer software.