Douglas Spangler's
| --THE NEWER PROGRAMS | O/S | USES | REVIEW | DEMO |
| Anvil Studio (1999 MIDI sequencer/eartraining) | Windows | S | Review | Demo |
| Auralia (1998) | Windows | IS | Review | Demo |
| Aural Skills Trainer (1998) | MAC/WIN | IS | Review | Demo |
| Chord ID (1998) | Windows | S | Review | Demo |
| Dolphin Don's Music School (1998) | Windows | SC | Review | Demo |
| EarMaster & EarMaster School (1998) | Windows | IS | Review | Demos |
| Earobics (1998) | Windows | S | Review | Demo |
| EarPower (1998) | Windows | IS | Review | Demo |
| Eartraining (1998) | Macintosh | S | Review | Demo |
| ETDrill (1999) | Windows | IS | Review | Demo |
| Fanfare (1998) | Windows | S | Review | Demo |
| Harmonic Hearing (1998) | Macintosh | IS | Review | Demo |
| Harmonic Progressions (1999) | MAC/WIN | IS | Review | Demo |
| HearMaster (1998) | MAC/WIN | IS | Review | N/A |
| Inner Hearing (1999) | MAC/WIN | IS | Review | Demo |
| Listen (1998) | Macintosh | S | Review | Demo |
| MacGAMUT (1998) | Macintosh | IS | Review | Demo |
| MiBAC Music Lessons (1998) | MAC/WIN | S | Review | Demo |
| Musicianship Basics (1999) | MAC/WIN | C | Review | Demo |
| Music Lab--Harmony (1999) | Windows | IS | Review | N/A |
| Music Lab--Melody (1999) | MAC/WIN | IS | Review | Demos |
| Personal Ear Trainer (PET) (1998) | Windows | IS | Review | Demo |
| Pitch ID (1998) | Windows | S | Review | Demo |
| Practica Musica (1999) | Macintosh | IS | Review | N/A |
| teoría (1998) | Windows | S | Review | Demo |
| The Music Box (1999) | Windows | S | Review | Demo |
| --FREE (& Web-based) PROGRAMS | O/S | USES | REVIEW | DEMO |
| AudioChallenger (Anthony Holland) | NeXT | S | N/A | Free |
| BigEars (Java Program) | web-based | S | N/A | Free |
| Chordtrainer (still checking: random 3 note chords) | Windows | S | N/A | Free |
| EARTRAINER 1.0@web (website) | web-based | S | N/A | Free |
| Ear Trainer (1989 by Lawrence Gallagher) | Macintosh | S | N/A | Free |
| Ear Training Website (online exercises/quizzes) | web-based | S | N/A | Free |
| Ear Training Website (by Jack Haynes) | web-based | S | N/A | Free |
| ET drills (1996 Quicktime drills) | MAC/WIN | S | N/A | Free |
| E-Train (a melody game by Victor Grauer) | DOS | S | N/A | Free |
| Four-Part Dictation 5.1 (1996 Hypercard) | Macintosh | S | Review | Free |
| Halves/Not Halves (1998) | Windows | S | N/A | Free |
| Ike's Ear Tuner 1.1 | Windows | S | N/A | Demo |
| Just Intonation Ear Trainer (1996 Hypercard) | Macintosh | S | N/A | Free |
| Melodic Ear (May 1999 NEW FREEWARE) | Windows | IS | N/A | Free |
| WebEartraining | web-based | S | N/A | Free |
| --SLIGHTLY OLDER PROGRAMS | O/S | USES | REVIEW | DEMO |
| Aural (1994 by Mark Grimshaw) | Atari (ST) | S | N/A | Demo |
| CAETS (1996) | Windows | S | N/A | Demo |
| C.A.T. (ca. 1995 Hypercard) | Macintosh | I | N/A | N/A |
| Ear Challenger (ECS media) | Windows | C | N/A | Demo |
| EARTEST (1995) | Windows | S | N/A | Demo |
| Ear Training: A Technique for Listening (ca.1995) | Macintosh | IS | N/A | N/A |
| Ear Trainer (1997) | DOS | S | Review | N/A |
| GUIDO 2.1 (1989) | DOS | S | N/A | N/A |
| Listen!-A music skills... (ECS media) | DOS | S | N/A | N/A |
| Patterns in Pitch (ECS media) | MAC/WIN | C | N/A | N/A |
| Play it by Ear (ca.1995) | Windows | C | N/A | Demo |
| Rhythmaticity Advanced (ca.1995) | DOS | S | N/A | Demo |
| Rhythmaticity Basic (ca.1995) | DOS | S | N/A | Demo |
| Super Ear Challenger (ECS media) | MAC/DOS | C | N/A | N/A |
| Take Note (1997) | Windows | S | N/A | Demo |
| Toon Up (ECS media) | Windows | C | N/A | Demo |
| Tune-it II (ECS media) | MAC/DOS | C | N/A | Demo |
| WinOye (Now teoria--see above) | Windows | S | N/A | Demo |
| --UPCOMING PROGRAMS | O/S | USES | REVIEW | DEMO |
| CALMA | MAC/WIN | IS | N/A | N/A |
| Computerkolleg Musik | Windows | IS | Review | N/A |
| Hearing Tonal Harmony | Macintosh | IS | N/A | N/A |
| NoteWell (Nov.1999) | Macintosh | IS | N/A | N/A |
| Thought Sauce Ear Training | DOS | IS | Review | N/A |
| --SOME RELATED PROGRAMS | O/S | USES | REVIEW | DEMO |
| A Musical Tutorial (1999) | Windows | SC | N/A | Demo |
| Common-Practice (written music theory) | Macintosh | I | N/A | Preview |
| Explorations (written music theory) | Macintosh | I | N/A | N/A |
| MusicAce GREAT KID'S PROGRAM : - ) | MAC/WIN | ISC | N/A | Demo |
| Music Mastery (1998 writing/composing) | Windows | IC | N/A | Demo |
| Musicware Piano | Windows | S | N/A | Demo |
| Singing Tutor | Windows | N/A | N/A | Demo |
| The Music Kit (written music theory) | Macintosh | IS | N/A | N/A |