Captain Chords - Write chord progressions in your favorite DAW
RapidComposer - MusicDevelopments RapidComposer: Music Prototyping and Automated Composition Software
Harmony Improvisator - Harmony Improvisator is the most advanced harmonic composition tool on the market.
Band-in-a-Box - Band-in-a-Box is so easy to use!
Hookpad - Web-based music composition that greatly simplifies writing chord progressions and melodies
Orb Composer S - Orb is a music composition Artificial Intelligence.