This list is slowly growing. Thank you to the many people who have suggested new links...
Musitek - http://www.musitek.com/
- Scan sheet music and convert it to MIDI.
RainMusic - http://www.rainmusic.com/pianomusic/free.htm
- Free sheet music.
The Lester S. Levy Collection of Sheet Music - http://levysheetmusic.mse.jhu.edu/
Shareware Music Machine - http://www.hitsquad.com/smm/
- "The World's Biggest Music Software Site."
MP3.COM - http://www.mp3.com/
MySheetMusic.com - http://www.dalymusic.com/
- Free and sample sheet music plus lots of other resources and links.
Fabrizio Ferrari's Musicians Page - http://www.musicianspage.com/home.html -
Free sheet music and Search engines.
Virtual Sheet Music Home Page - http://www.virtualsheetmusic.com/Home.html
- Mainly classical.
Maestronet - http://maestronet.com/
- Instruments and sheet music (Mainly classical.)
Cakewalk - http://www.cakewalk.com/
- MIDI software and LOTS more!
Introduction to MIDI - midi.htm - Using MSW Logo
for MIDI control.
MidiPads - http://midipads.homestead.com/
- Interactive Performance System
FruityLoops Synthesiser - http://www.fruityloops.net/NoJavaFrames.htm
Crescendo - http://www.liveupdate.com/dl.html
- Internet music player.
Finale NotePad - http://www.codamusic.com
- FREE - Create, Play and Print your music.
NoteWorthy Composer (Shareware) Web Site - http://www.ntworthy.com/
BuzzTrack Musical Workstation - http://www.buzztrack.com/
- and it's FREE
Sing-along MIDI and Lyrics - http://www.niehs.nih.gov/kids/musica.htm