VArranger - vArranger is a PC arranger software, playing Yamaha, Roland and Ketron styles in realtime !
RapidComposer - MusicDevelopments RapidComposer: Music Prototyping and Automated Composition Software
JJazzLab - Fed up with boring backing tracks ? Try JJazzLab!
Captain Chords - Write chord progressions in your favorite DAW
Band-in-a-Box - Band-in-a-Box is so easy to use!
Odesi - ODESI is a music sketchpad that exports your projects to Audio and MIDI.