Free Online Music Theory Apps

[Vurniks]

music-chords.com

5-Part Voice-Lead Chord Progressions Generator:
Generates progressions of 6, 8, 10 and 12 chords.
Automatic Chord Analysis:
Analyzes each chord according to the European classical standard (Roman numerals).
Recognize Chord Types by Ear:
What chord type do you hear? Major, minor, half-diminished, augmented dominant?
Practice Perfect & Relative Pitch:
Practice your hearing with sequences from 1 to 6 tones.
Recognize Instruments by Ear:
What instruments do you hear? Up to combinations of 6 instruments.