ByEars' Ear Trainer - Interactive software contains lessons and realistic play-along exercises. For guitar and bass.
CATS - Theory and tests, over 25,000 possible questions. Covers Associated Board music theory exams, grade 5 theory.
Clarion - [Mac] Practice and be quizzed on the various intervals of the 12 tone western music octave division.
Cope Media - [Win] Musical eartraining software: aural training of scales, chords, intervals, melody, rhythm, inversions and progressions.
Crystal Metronome - Accurate software metronome for Windows, includes swing timings. Demo available.
Deelakord - [Win] Card game that teaches music theory: notes, scales and chords. Order form included.
DMetro - Metronome for Windows. Learn to keep time when playing.
Dolce Ear Training - Allows the advancing music student to gain skill in identifying rhythms, intervals, and chords.
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.
Ear Training Expedition, Part 1 - [Win] Helps students learn music theory and practice their ear skills with colorful, creative games.
Ear Workout - [Mac] Open source software for musical ear training.
EarBoost - Ear training software with graphical feedback to help measure your results.
EarMaster - [Win,Mac] Interactive software suite for ear training and practical music theory at home or at the music school.
EarPower - [Win] Can be used as a daily routine, helps anyone from the "tone-deaf" person to the professional musician.
Fine Software's Metronome - [Win] A shareware metronome with any musical meter allowed, customizable sound, and ergonomic interface.
Flat 5 Software - Ear training software that covers intervals through altered dominant chords. PC, Mac.
GNU Solfege - Free ear training software, runs on Windows and most Linux/UNIX distributions. [Open Source, GPL]
Greg Jalbert's Listen - [Mac] Ear training program for students and individuals to strengthen perception of melodies and harmonies.
Happy Note! - [Win] Computer game allows people to learn how to read music while playing.
The Harmonic Metronome - [Win] Produces scales and arpeggios, perfectly tuned and perfectly timed. Demo available.
Jalmus - Free, open source music education software helps musicians, especially pianists, improve sight-reading.
Jorge Meletti's Melodic Intervals - Study ear perception of random melodic chains, based on a user chosen set of intervals. Freeware.
Lars Peters' Eartraining - [Mac] Practice intervals, chords, scales and perfect pitch. Shareware.
Magic Ear Trainer - [Win] Improve your musical ear.
Metronimo - [Win] Study music theory, discover classical composers, test your musical culture, recognize instruments, with this game. Also in French.
MuseBook Metronome - Trace the tempo of the music you are listening to.
Musemath - Flash animated site uses the guitar to demonstrate some of the science behind western traditional music.
Music Study - [Win,Mac] Ear training and music theory instruction software, by Dr. Gilbert Trythall.
MusicGoals by Eye & Ear - [Win] Ear training, sight reading, and music theory - combined approach for piano, guitar and string instruments.
Note Chaser - [Win] Music transcription assistant helps anyone to transcribe a CD track by frequency display and slowdown.
Perfect Pitch via Brainwave Synchronization - Listen to PowerPoint files created with Brainwave Synchronization encoding.
Rising Software - Offers Auralia, an ear training program for Win and Mac and Musition, a theory training program for Win.
Scala - Experiment with musical tunings: equal and historical temperaments, just intonation, microtonal and non-Western scales. Win, Linux, OSX.
Tete - Open-source ear-training software. Recognise the relationships between notes of different pitches. Play and be tested on intervals, chords, and scales.
Treblis Software Corp - Music theory and appreciation software for intermediate, high school, and college level students and their instructors.