Captain Chords - Write chord progressions in your favorite DAW
Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
Odesi - ODESI is a music sketchpad that exports your projects to Audio and MIDI.
JJazzLab - Fed up with boring backing tracks ? Try JJazzLab!
Cthulhu - VST MIDI-FX plugin for harmonic inspiration
Guitar Pro 7 - Create, play and share your tabs