LilyPond

LilyPond
Developer(s)David Kastrup, Werner Lemberg, Han-Wen Nienhuys, Jan Nieuwenhuizen, Carl Sorensen, Janek Warchoł, et al.
Initial release1 August 1997 (1 August 1997)
Stable release
2.24.4  / 21 July 2024
Preview release
2.25.26  / 3 May 2025
Repository
Written inC++, Scheme, Metafont, PostScript, Python
Operating system
Standard(s)EPS, MIDI, MusicXML, PDF, PS, SVG
Available inCatalan, Dutch, English, French, German, Hungarian, Italian, Japanese, Spanish
TypeMusic software, scorewriter
LicenseGPL-3.0-or-later
Websitelilypond.org 

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.

LilyPond is cross-platform, and is available for several common operating systems; released under the terms of the GNU General Public License, LilyPond is free software and part of the GNU Project.