pmtex – Preprocessor for MusicTeX
Free license not otherwise listed, or more than one free license applies
typesetting music and related stuff
Maybe you are interested in the following packages as well.
- midi2tex: Convert MIDI to MusicTeX input
- pmxchords: Produce chord information to go with pmx output
- gchords: Typeset guitar chords
- figbas: Mini-fonts for figured-bass notation in music