This is a list of music notation programs (excluding discontinued products) which have articles on Wikipedia.
For programs specifically for writing guitar tablature, see the list of guitar tablature software. For discontinued products, see list of discontinued scorewriters.
Free software
Denemo, a scorewriter primarily providing a front-end for LilyPond
Frescobaldi, a GUI front-end for LilyPond. [Linux, FreeBSD, OS X and Microsoft Windows] Impro-Visor, a GUI- and text-based scorewriter for constructing lead sheets and jazz solos on Linux, OS X, and Windows LilyPond, a text-based scorewriter with several backends including PS, PDF and SVG MuseScore, a WYSIWYG scorewriter for Linux, Windows, and OS X MusiXTeX, a set of macros and fonts that allow music typesetting in TeX NoteEdit, a KDE scorewriter Rosegarden, a scorewriter for Linux Philip's Music Writer, a text-based scorewriter originally written for Acorn RISC OS (released as a commercial program in the 1990s), later ported to POSIX and licensed under the GNU GPL
Proprietary
Microsoft Windows
Capella
Cubase Score V1-5 (first run on version numbers) Cubase SX Cubase V4-9.5 (second run on version numbers) Dorico Encore Finale plus the following lite versions: Allegro, PrintMusic, NotePad, Songwriter Forte (notation program) Guitar Pro (primarily for guitars and bands, but also notates other instruments including drums) Igor Engraver MagicScore, plus Music Notation for MS Word and lite version MagicScore School and free versions MagicScore onLine and MagicScore Note Mozart Mus2 MusEdit MusiCAD MusicEase, notates standard music, shaped notes and tablature; transposes and imports abc music. Music Construction Set (obsolete; was also for Apple II, Atari 400, and Commodore 64) Music Write MusicTime Deluxe Musink Lite, a WYSIWYM scorewriter and publication tool for Windows Notion Notation Composer NoteWorthy Composer Overture, plus lite version Score Writer. SCORE, one of the earliest scorewriters to be used for commercial publishing, no longer developed or sold ScoreCloud – Audio, manual or MIDI input analysis to musical notation, and editor Sibelius, Sibelius First, Sibelius Artist, and Sibelius Ultimate SmartScore Pro (music scanning and scorewriting. Lite versions: SmartScore Songbook, MIDI, Piano and Guitar Editions)
MacOS
ConcertWare (obsolete) Cubase Score V1-5 (first run of version numbers) Cubase SX Cubase V4-9.5 (second run of version numbers) Dorico Emagic, makers of Notator (bought by Apple in 2002; Windows version no longer developed or supported) Encore Finale notation program, plus lite versions: Finale Notepad, Notepad Plus, Songwriter, PrintMusic, Allegro Guitar Pro (primarily for guitars and bands, but also notates other instruments including drums) Igor Engraver Logic Pro, Logic Express (successor to Notator and Notator Logic) Mosaic (Mac OS 9 only) Mus2 MusicEase, notates standard music, shaped notes and tablature; transposes and imports abc music. MusicTime Deluxe Notion Overture plus lite version Score Writer. ScoreCloud – Audio, manual or MIDI input analysis to musical notation, and editor Sibelius, Sibelius First, Sibelius Artist, and Sibelius Ultimate SmartScore Pro (music-scanning and music-scoring. Lesser versions: SmartScore Songbook, MIDI, Piano and Guitar Editions)
Other
Aegis Sonix (Amiga) Cubase Score V1-2 (Atari ST) Deluxe Music Construction Set (Amiga) MusicPrinter Plus (MS-DOS) ScoreCloud Express (iOS)