TS-AudioToMIDI
TS-AudioToMIDI performs automated recognition of polyphonic music, stored in MP1, MP2, MP3, MPP, MPA, AIF, SND, AU, WAVE formats as well as audio CD tracks. In real-time mode it instantly converts music coming through the microphone or line input of your computer into a MIDI sequence. ... Thus you can change instruments in real-time, for example, play the guitar and get piano sound. ... Instruments, number of voices or melody itself can be easily modified using any third-party score editor, which allows creating remixes, variations and printing musical notation.
http://audioto.com/download/aud2midi.exe - 669Kb - Download - Screenshot

7Canaries Professional
7Canaries Professional performs automated recognition of polyphonic music, stored in MP1, MP2, MP3, MPP, MPA, AIF, SND, AU, WAVE formats as well as audio CD tracks. In real-time mode it instantly converts music coming through the microphone or line input of your computer into a MIDI sequence. ... Thus you can change instruments in real-time, for example, play the guitar and get piano sound. ... Instruments, number of voices or melody itself can be easily modified using any third-party score editor, which allows creating remixes, variations and printing musical notation.
http://audioto.com/download/7canaries_pro.exe - 1Mb - Download - Screenshot

7Canaries Standard
7Canaries Standard performs automated recognition of polyphonic music, stored in MP1, MP2, MP3, MPP, MPA, AIF, SND, AU, WAVE formats as well as audio CD tracks. In real-time mode it instantly converts music coming through the microphone or line input of your computer into a MIDI sequence. ... Thus you can change instruments in real-time, for example, play the guitar and get piano sound. ... Instruments, number of voices or melody itself can be easily modified using any third-party score editor, which allows creating remixes, variations and printing musical notation.
http://audioto.com/download/7canaries_std.exe - 1Mb - Download - Screenshot

Ear and Memory Training
"Musical Dictation" function: The software behaves like a professor of music. At the beginning of each exercise, the software plays a preview of the series of notes that you'll have to recognize, while it shows them (on the screen) on the guitar's neck or on the piano keybord. ... In the contrary case, the fact of remaining and practising in the same level increases your skills and allows you, at one moment or another, to move up to the next level. ... In this game, freely inspired by the game "Simon Says", the computer displays a series of coloured keys and plays simultaneously a series...
http://www.guitar-online.com/demos/data/ear-training-demo.exe - 2Mb - Download - Screenshot

FlexiMusic Composer
1. FlexiMusic Composer includes a full sound sample library 2. FlexiMusic Composer is organized into tracks. Each track can have many patterns, and each pattern can contain an unlimited number of instruments. You can add an unlimited number of tracks to a song. ... Music Cycle: FlexiMusic Composer has three types of music cycles, Step Cycle, Bar Cycle and Single File/Voice. ... Make your own album or use your FlexiMusic Composer songs as background music for video games, web sites, or multimedia presentations.
http://www.flexmusic.com/download/FlexiMusicComposerSetup.exe - 7Mb - Download - Screenshot

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. ... This program will became a must-have tool for those who want to play the hottest and most popular songs on a guitar, piano or other musical instrument. ... Chord Pickout will transcribe the music and write down the recognized chords. ... But, you need them now, when they are popular and not a year later.
http://www.chordpickout.com/download/ChordPickoutSetup.exe - 777Kb - Download - Screenshot

SlowGold
Slow down music from any audio CD, MP3 file, or Wave file - hear and learn every note. The styles and solos of all the master musicians are yours for the taking with this acclaimed transcription tool. Top sound quality and convenience for musicians at all levels. ... Other goodies in SlowGold include a way to note lyric and chord information, and then create a text file with chords above lyrics to print out and give to the band. ... Another great use for SlowGold's Recorder is to record your own playing to a Wave file, and then use SlowGold to transcribe your *own* music.
http://www.warrensirota.com/SlowGoldInstall.exe - 8Mb - 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... The program has been used extensively by amateur and professional musician and education institutions, and got excellent reviews for its simplicity and rich set of time-saving features. ... There is an entire set of functions that simplify musicians work packed inside the program, like the...
http://www.musicaleditor.com/download/magicscoremaestro4demo.zip - 4Mb - Download - Screenshot