Chord Pickout
A friend of mine has perfect pitch. He is a professional guitarist. The only instrument he needs to guess chords for a song is his own ear. He can listen to a song and easily pick out the right chords or even make a better arrangement than those he listened to. ... While most of its competitors use simple patterns to recognize chords, Chord Pickout applies complex math and shows outstanding results even in the toughest cases. ... You will receive chord notations that are very close to those by the song's author.
http://www.chordpickout.com/download/ChordPickoutSetup.exe - 777Kb - Download - Screenshot

Dolce Ear Training
Entry level music theory software with rhythm practice, ear training, and chord notation practice.
http://fastrabbitsoftware.com/downloads/eartraining_setup.exe - 16Mb - Download

Chord Composer
Chord Composer is a multimedia music composer software with automactic accompaniment function, with Builtin 100 accompani-ment styles make it easy for the user to quickly design a perfection song. Edit main melody by 1 or 2 tracks in one song. Select rhythm styles and section method. ... The editor of up- part is to edit main melody, and the down-part is a chord window. ... ChordComposer software simulates the chord auto accompany of electronic organ to edit music in computer and changes the music file into MIDIfile formation easily.
http://www.softcns.com/downloads/softcns/composer.exe - 72Kb - Download - Screenshot

Guitar Sidekick
Guitar Sidekick is the all-in-one utility for guitarists! Includes a tablature editor/composer that can display your work in tab and standard notation. Also includes tools for scales, chords, a tuner, metronome, drum machine, and much more!
http://guitarsidekick.com/download/gswin413.exe - 4Mb - Download - Screenshot

Fractal Tune Smithy
Create beautiful music effortlessly - and discover your talent as a budding composer! Choose one of the tunes that come with the program or enter a very short musical phrase of a few notes, and hear it transformed into an intricate tracery of music. The music is fractal which means it is highly... Try modern exotic tunings such as non octave scales, or musical geometries with highly symmetrical floating chord patterns. ... Suitable even for complete newbies to composing - and there is no need to be able to read music notation.
http://www.robertinventor.com/FTS_Setup.exe - 4Mb - Download - Screenshot

MidiNotate Musician
MidiNotate Musician is an invaluable tool for any musician who reads musical notation or wishes he could. Follow the notes on your screen as you listen to your favorite music, whether a song or a symphony. Musician is an eye-opening study aid, a source of accurate sheet music, an untiring... with chord names. ... Learn music notation by using Musician to display the notes for music that you already know and like. ... Easily produce piano music by splitting a musical track correctly into right-hand and left-hand parts.
http://www.notation.com/MidiNotateMusician10TrialSmallSetup.exe - 5Mb - Download - Screenshot

Melody Assistant
Melody Assistant is a powerful score editor with digital audio capabilities. The list of features in this program is so large that it cannot be enumerated here. Let's quote some of them anyway : - Complete score editor, with unlimited number of staves - Tablature calculation for miscellaneous... ) But also : - Gregorian notation - Lute tablatures - Chord diagram library for various instruments - Enables to build custom instruments from digital recordings - Used concurrently with Virtual Singer (available separately), Karaoke and multi-voices lyrics are actually sung.
http://www.myriad-online.com/win/melocomp.exe - 8Mb - Download - Screenshot

Harmony Assistant
Harmony Assistant is a all-in-one software product with digital audio capabilities. The list of features in this program is so large that it cannot be enumerated here. Let's quote some of them anyway : - Complete score editor, with unlimited number of staves - Page mode editing - Automatic... ) But also : - Gregorian notation - Chord diagram library for various instruments - Enables to build custom instruments from digital recordings - Lute tablatures - Street organ card printing - Used concurrently with Virtual Singer (available separately), Karaoke and multi-voices lyrics are actually...
http://www.myriad-online.com/win/harmeval.exe - 10Mb - Download - Screenshot

MusicEase
Music score editor/automatic accompaniment creator which lets you create, edit, transpose, play, import scanned music (MusicXML files) and print engraver quality music notation without knowing music copyist rules. See the musical score on your computer screen exactly as it will be printed. ... Each voice can contain chords of any number of notes. ... Notes can have durations from a whole note to a 1/16th note (Professional version to 1/64th note). ... Supports treble, bass, tenor, alto, tenor voice and drum clefs, all meters and keys, print preview, and interstaff beaming and slurs.
http://musicease.topdownloads.com/pub/bws/bws_51/musezw.exe - 3Mb - Download - Screenshot

MagicScore Maestro
MagicScore Maestro is a music notation software application with extended editing capabilities and internal spell-checker. It features a variety of input methods - virtual keyboard, external MIDI devices, or an extended set of musical note symbols. The program comes with a virtual piano and... Moreover, the program can read/write data to/from MIDI and save data in various formats, including graphic files (BMP, JPEG, GIF, WMF) that are easy to print out. ... Other helpful features include customized texts orientation options, notes volume and effect play-back calculations, and a capability...
http://www.musicaleditor.com/download/magicscoremaestro4demo.zip - 4Mb - Download - Screenshot