Trivalent
a 21st century musical project
a 21st century musical project
See here for progress on engraving Trivalent scores.
Most Trivalent scores are engraved using either MuseScore or LilyPond. MuseScore is free software licensed under the terms of version 2 of the GNU General Public License, and can be obtained from the MuseScore website. LilyPond is free software licensed under the terms of version 3 of the GNU General Public License, and can be obtained from the LilyPond website.