VArranger - vArranger is a PC arranger software, playing Yamaha, Roland and Ketron styles in realtime !
Captain Chords - Write chord progressions in your favorite DAW
Real-time Style Performer - The Real-time Style Performer (RSP) gives you the ability to play musical styles created for Yamaha...
RapidComposer - MusicDevelopments RapidComposer: Music Prototyping and Automated Composition Software
Band-in-a-Box - Band-in-a-Box is so easy to use!
Cthulhu - VST MIDI-FX plugin for harmonic inspiration