MusicEase
[Win] Edit, transpose, print, play, import SongWright and abc files, virtual songs/songbooks. Demo fully-functional.
http://www.musicease.com/

Mozart
Music notation program for MS-Windows. Edits, previews, plays, prints full and part scores.
http://www.mozart.co.uk/

Nightingale
[Mac] Description and ordering information for this easy to learn and use notation program. A free light version available.
http://www.ngale.com/

Musitek
[Mac-Win] Featuring SmartScore, that allows you to scan and import sheet music, and then edit and print.
http://www.musitek.com/

MidiNotate
[Win] MIDI player that will convert any MIDI file to sheet music. Demo available.
http://www.notation.com/

QuickScore Elite and Copyist
[Win] Music composition, arranging, notation, MIDI sequencing and recording software.
http://www.sionsoft.com/

Igor Engraver
[Win-Mac] Professional notation software: includes program features, samples, and a downloadable demo.
http://www.noteheads.com/

Arkkra Enterpises
[Dos-Linux-Unix] Mup, a batch musical typesetter. Reads a descriptive input file, outputs PostScript and MIDI. Shareware.
http://www.arkkra.com/

CERL Sound Group
Analysis/Synthesis and notation software. Fully-functional downloadable trial version available.
http://www.cerlsoundgroup.org/

Musicator
[Win] Audio sequencer with notation capabilities: includes features, screenshots and a downloadable demo.
http://www.musicator.com/

Graphire Music Press
[Mac-Win] Professional music typesetting software: includes features, screenshots, and ordering information.
http://www.graphire.com/

Opus 1 Music Inc.
Company that develops software for OPENSTEP and Macintosh computers: features NoteAbility Pro and NoteWriter.
http://debussy.music.ubc.ca/~opus1/

Decifra
[Win] For chords and lyrics, with a flexible dictionary. Imports text, suggests chord diagrams (guitar) which can be heard and transposed.
http://www.decifra.com/IndexEng.html

Myriad Software
[Mac-Win] Harmony Assistant, Melody Assistant, Virtual Singer voice synthesis, and OMeR music OCR.
http://www.myriad-online.com/

Muse Music Shareware Editor
[Win] Description, samples, download and payment information.
http://web.ukonline.co.uk/members/laurie.griffiths/

Braeburn Music Publisher
Editor also offers transposition, playback, and scanning input.
http://www.braeburn.co.uk/mp.htm

Note Chaser: Musical Transcription Assistant
Transcribe music from CD tracks. Display note frequencies and play selections at full or half speed.
http://www.tnsoptima.com/soundidea/notechaser.html

NoteWorthy Composer
[Win] Simple music editor that also imports and exports MIDI files. Downloadable shareware demo version.
http://www.noteworthysoftware.com/composer/

Yahoo! Groups : Mozart_software
Mailing list for all users of this program.
http://groups.yahoo.com/group/mozart_software/

Dr. Gordon J. Callon's Listing
Covers multiple platforms, scanning, editing, composition, printing, players.
http://ace.acadiau.ca/score/others.htm

Vivaldi Studio
Publishes musical notation and scan software. Interactive score sheets also.
http://www.vivaldistudio.com/

Guitarmaster
Produces tablature and Midi files from the chords and melodies you play into your sound card. Demo available.
http://www.robosens.demon.co.uk

Encore
MIDI music composer that helps you go from concept to published score with minimum effort. By GVOX.
http://www.gvox.com/

MagicScore
Editor for professionals or hobbyists engaged in study or self-expression.
http://www.dgalaxy.net/magicscore.php

SharpEye Music Reader
Music scanning software. Converts sheet music to MIDI, NIFF, MusicXML formats.
http://www.visiv.co.uk

The abc Musical Notation Language
ASCII-based notation, with many tools to display, edit, play .abc files on various systems.
http://www.norbeck.nu/abcmus/

GenieSoft
Create and print sheet music with "Overture 3" and "Score Writer 2" for PC/Mac. Converts MIDI.
http://geniesoft.com

ABC2Win
For writing and editing of abc tunes, file management and playback. View tunes as notation. Register for printing.
http://abc2win.com/

ABC Music Project
Promotes and maintains the ABC Music Standard, a format designed to notate music using plain text.
http://abc.sourceforge.net/

NotationMachine
Sheet music software to search and create your own sheet music from MIDI files.
http://www.notationmachine.com/

Turandot
Simple score entry, professional printing, access to score library. Supports orchestral and guitar notation.
http://www.turandot.hu

Lily Pond
Score printing with many typographical features of traditional engravers.
http://lilypond.org

MidiIllustrator
Notate, print, practice, and play music from MIDI files. Classical and guitar notations.
http://www.midiillustrator.com

Pizzicato
MIDI based, helps beginners learn notation and compose. Includes a free music course. Demo available.
http://www.arpegemusic.com

TabTrax
Imports drum tabs from internet sources and converts them into standard music format and playable MIDI files.
http://2112design.com

DrawMusic ChordSong
Create, play and print chord songs (chords and lyrics).
http://drawmusic.com

Personal Composer
Sequencing and scoring, record, edit, listen to, and print your music. Windows.
http://www.personalcomposer.co.uk

Notation Technologies
Play Music, an entry level music notation program for composers. Edit, playback, and print facilities. Style templates.
http://www.notationtechnologies.com

MusicWrite
Compose, play, edit, and print sheet music on your home PC.
http://www.voyetra.com/site/products/musicwrite/serieshome.asp

ChordMaker
[Win] Creates chordsheet style guitar tablature and songbooks with table of contents and alphabetized index. Demo available.
http://www.virtu-software.com/ChordMaker/

MusiCAD
Score editor facilitating arrangements, percussion, lyrics. MIDI, PDF, ABC formats. Windows.
http://www.musicad.com

TaBazar Tablature Editor
Multitrack notation program for fretted instruments and percussion. View, edit, print, and play back scores.
http://www.tabazar.de/index_e.htm

Digital Music Notebook
Sibelius application that offers digital sheet music, guitar tab and multimedia method books. Scorch plug-in required.
http://www.digitalmusicnotebook.com/

The ABC Plus project
Provides software and documentation for the extension to ABC notation which provides for polyphonic music.
http://abcplus.sourceforge.net/

MusiXTeX
A suite of utilities for typesetting music in TeX. Also houses Werner Icking Music Archive of free sheet music.
http://icking-music-archive.org/software/indexmt6.html

Capella Music Software
Score scanning, notation editor; real-time MIDI entry.
http://www.capella-software.com/