Clarion - [Mac] Practice and be quizzed on the various intervals of the 12 tone western music octave division. - http://www.red-sweater.com/clarion/
Jalmus - Free, open source music education software helps musicians, especially pianists, improve sight-reading. - http://www.jalmus.net
Fine Software's Metronome - [Win] A shareware metronome with any musical meter allowed, customizable sound, and ergonomic interface. - http://www.finemetronome.com
EarBoost - Ear training software with graphical feedback to help measure your results. - http://www.earboost.com/
CATS - Theory and tests, over 25,000 possible questions. Covers Associated Board music theory exams, grade 5 theory. - http://www.takenotepublishing.co.uk/tnpl/cats/
Flat 5 Software - Ear training software that covers intervals through altered dominant chords. PC, Mac. - http://flat5software.com/
Tete Open Source Ear Trainer - Recognise the relationships between notes of different pitches. Play and be tested on intervals, chords, and scales. - http://sourceforge.net/projects/tete
Crystal Metronome - Accurate software metronome for Windows, includes swing timings. Demo available. - http://www.milsoftware.com/crystalmetronome/
ClefCoach - For beginners, teaches the treble and bass clefs. Freeware. - http://www.clefcoach.com
Note Chaser - [Win] Music transcription assistant helps anyone to transcribe a CD track by frequency display and slowdown. - http://www.tnsoptima.com/soundidea/notechaser.html
GNU Solfege - Free ear training software, runs on Windows and most Linux/UNIX distributions. [Open Source, GPL] - http://www.solfege.org/
Musemath - Flash animated site uses the guitar to demonstrate some of the science behind western traditional music. - http://www.musemath.com
Dolce Ear Training - Allows the advancing music student to gain skill in identifying rhythms, intervals, and chords. - http://fastrabbitsoftware.com/eartraining.htm
MuseBook Metronome - Trace the tempo of the music you are listening to. - http://www.musebook.com/
Scala - Experiment with musical tunings: equal and historical temperaments, just intonation, microtonal and non-Western scales. Win, Linux, OSX. - http://www.xs4all.nl/~huygensf/scala/
Ear Workout - [Mac] Open source software for musical ear training. - http://www.lightandmatter.com/ear_workout/ear_workout.html
Lars Peters' Eartraining - [Mac] Practice intervals, chords, scales and perfect pitch. Shareware. - http://www.lpeters.de/
DMetro - Metronome for Windows. Learn to keep time when playing. - http://www.red-field.com/enqsoft/
ByEars' Ear Trainer - Interactive software contains lessons and realistic play-along exercises. For guitar and bass. - http://www.byear.com/
Deelakord - [Win] Card game that teaches music theory: notes, scales and chords. Order form included. - http://homepage.eircom.net/~deelakord/
Dolphin Don's - [Win - Mac] Games for ages 6 to adult teach ear training and reading by identifying notes, rhythms, key sigs, intervals and chords. - http://dolphindon.com/
Greg Jalbert's Listen - [Mac] Ear training program for students and individuals to strengthen perception of melodies and harmonies. - http://www.edly.com/listen.html
Treblis Software Corp - Music theory and appreciation software for intermediate, high school, and college level students and their instructors. - http://www.treblis.com/
MusicGoals by Eye & Ear - [Win] Ear training, sight reading, and music theory - combined approach for piano, guitar and string instruments. - http://www.musicgoals.com/
The Harmonic Metronome - [Win] Produces scales and arpeggios, perfectly tuned and perfectly timed. Demo available. - http://www.wholarts.com/music/hm/
Rising Software - Offers Auralia, an ear training program for Win and Mac and Musition, a theory training program for Win. - http://www.risingsoftware.com/
Happy Note! - [Win] Computer game allows people to learn how to read music while playing. - http://www.happynote.com/music/learn.html
Metronimo - [Win] Study music theory, discover classical composers, test your musical culture, recognize instruments, with this game. Also in French. - http://www.metronimo.com/
PBJ Music - Computer Activities - [Win-Mac] Games disguise the drill and practice of elementary through intermediate music theory concepts. - http://www.pbjmusic.com/activities.html
Cope Media - [Win] Musical eartraining software: aural training of scales, chords, intervals, melody, rhythm, inversions and progressions. - http://www.cope.dk/
Music Study - [Win-Mac] Ear training and music theory instruction software, by Dr. Gilbert Trythall. - http://www.musicstudy.com/
EarMaster Pro - [Win] Play, improvise, compose, transcribe music by ear. Exercises in intervals, chords, scales, melodies and rhythms. - http://www.earmaster.com/
Ear Training Expedition, Part 1 - [Win] Helps students learn music theory and practice their ear skills with colorful, creative games. - http://www.trailcreeksystems.com/
EarPower - [Win] Can be used as a daily routine, helps anyone from the "tone-deaf" person to the professional musician. - http://www.earpower.com/earpower.htm