Music notation file formats

LilyPond is a computer program and file format for music engraving. One of LilyPond's major goals is to produce scores that are engraved with traditional layout rules, reflecting the era when scores were engraved by hand.

file format family for music notation

standardized specification for music synthesizers that respond to MIDI messages

MusicXML is an XML-based file format for representing Western musical notation. The format is open, fully documented, and can be freely used under the W3C Community Final Specification Agreement.

content format for messaging among computers, sound synthesizers, and other multimedia devices

programming language for generating computerized music

Audio format from Yamaha

cross-platform, free scorewriter computer program especially for Gregorian chant in square notation