Aldo's Pianito
Pianito is a very intuitive and funny piano simulator great to learn music. Recommended for children and adults. This piano features 128 different instruments and 48 percussion instruments, save unlimited songs recorded with instruments, replay with a single key pressing CTRL, all piano keyboard... Play perfect chords pressing a single key using the Auto-Chord feature. ... Play in background your favorite MP3, midi or wave files as your rythm pattern while you play interactively with the keyboard of your PC.
http://aldostools.mysite4now.com/piano/pianito.exe - 143Kb - Download - Screenshot

Text Chart Tranposer
Do you ever wish you could change the key of a song so that it's not too high, or not so low? We've finally found the solution to your problem! Now Text Chart Tranposer will put these charts in any key. Choose how many half-steps you want it to go up or down, for example, 5 or -6-- then whether... Lots of different web sites provide these chord charts for free. ... Usually they contain lyrics, with chords over the words. ... Guitar players and other instrumentalists know how easy it is to read and play from these musical charts.
http://www.intelliscript.net/cgi-bin/FileCABINET.pl?download=35&.zip - 4Kb - Download - Screenshot

Intelliscore Polyphonic WAV to MIDI Converter
IntelliScore converts WAV to MIDI, MP3 to MIDI, CD to MIDI. Compose MIDI music simply by singing or playing any instrument. * Convert MP3 and WAV files to MIDI * Grab music from a CD and convert it to a MID file * MIDI-enable any musical instrument, even your voice * Helps remove vocals for... IntelliScore converts WAVE to MIDI, MP3 to MIDI, and CD to MIDI and helps figure out the notes, chord names, and key for you. ... IntelliScore separates your WAV, MP3, CD, and live music into different MID tracks depending on each note's pitch and position in the stereo image.
http://www.intelliscore.net/ispd.exe - 3Mb - 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

Virtual Hymnal
Virtual Hymnal: Provides transposable sheet music for over 300 traditional Christian hymns. Options include: play, transpose, print professional quality scores, create customized MIDI files for playback outside of the program, scale the hymns to any size, reformat and justify, use any scalable... Special requirements: 32-bit Windows, 8 Mb free disk space & 12 Mb RAM minimum. ... Sound card is optional. ... Print preview allows a full page view. ... The Virtual Hymnal displays on the computer screen the music exactly as it will print out.
http://wcarchive.cdrom.com/pub/bws/bws_51/vhymnl.zip - 2Mb - Download - Screenshot

Transcribe! for Mac OS-X
Transcribe! is an assistant for working out a piece of music from a recording. Transcribe! offers many features aimed at making the transcription job smoother and easier, including the ability to slow down the music without changing its pitch, and to analyse chords and show you what notes are... The "spectrum" feature displays the strength of the various pitches in any chord or note you select, in the form of a graph - a wavy line over a piano keyboard graphic. ... The height of the various peaks in the graph indicate the strength of the note above which the peak appears.
http://www.seventhstring.com/xscribe/transcribe.dmg - 2Mb - Download - Screenshot

Transcribe! for Windows
Transcribe! is an assistant for working out a piece of music from a recording. Transcribe! offers many features aimed at making the transcription job smoother and easier, including the ability to slow down the music without changing its pitch, and to analyse chords and show you what notes are... The "spectrum" feature displays the strength of the various pitches in any chord or note you select, in the form of a graph - a wavy line over a piano keyboard graphic. ... The height of the various peaks in the graph indicate the strength of the note above which the peak appears.
http://www.seventhstring.com/xscribe/xscsetup.exe - 2Mb - Download - Screenshot

Guitar Mode Maker
Guitar Mode and Scale Creator, create and modify chords and scales. For 6 sting guitar. Comes with several hundred chords and scales to start with. Change modes, scales and chords to fit your fingering pattern for each song you play. Shareware version allows printing of charts. ... Upgrading to full verision allows saving of unique guitar scale files that are small and easy to send to your guitar playing friends.
http://www.guitar.twobrotherssoftware.com/gmm.exe - 3Mb - Download - Screenshot

Transcribe! for Linux
Transcribe! is an assistant for working out a piece of music from a recording. Transcribe! offers many features aimed at making the transcription job smoother and easier, including the ability to slow down the music without changing its pitch, and to analyse chords and show you what notes are... The "spectrum" feature displays the strength of the various pitches in any chord or note you select, in the form of a graph - a wavy line over a piano keyboard graphic. ... The height of the various peaks in the graph indicate the strength of the note above which the peak appears.
http://www.seventhstring.com/xscribe/xscsetup.tar.gz - 3Mb - 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. ... Play legato style (if your synth supports it) in microtonal tunings as readily as you do in twelve equal.
http://www.robertinventor.com/FTS_Setup.exe - 4Mb - Download - Screenshot