[Mac] Practice intervals, chords, scales and perfect pitch. Shareware.

[Win] Improve your musical ear.

[Win] Study music theory, discover classical composers, test your musical culture, recognize instruments, with this game. Also in French.

Trace the tempo of the music you are listening to.

Flash animated site uses the guitar to demonstrate some of the science behind western traditional music.

[Win, Mac] Ear training and music theory instruction software, by Dr. Gilbert Trythall.

[Win] Ear training, sight reading, and music theory - combined approach for piano, guitar and string instruments.

[Win] Music transcription assistant helps anyone to transcribe a CD track by frequency display and slowdown.

Offers Auralia, an ear training program for Win and Mac and Musition, a theory training program for Win.

[Win] Produces scales and arpeggios, perfectly tuned and perfectly timed. Demo available.