Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
Aftertouch - Aftertouch – 3D MIDI Controller created and published by Kevin Nelson.
MMA - “MMA—Musical MIDI Accompaniment” is an accompaniment generator.
SoundGrail - SoundGrail Music App designed for pianists, guitarists, and DJs.
Guitar Pro 7 - Create, play and share your tabs
keezy - A colorful soundboard. Play with music.