MMA - “MMA—Musical MIDI Accompaniment” is an accompaniment generator.
Band-in-a-Box - Band-in-a-Box is so easy to use!
Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
KGuitar - Kguitar is a guitar tablature editor for Linux, featuring:
JJazzLab - Fed up with boring backing tracks ? Try JJazzLab!
Pretty Captions - Create beautiful captions for Instagram and other platforms