Harmony Assistant is described as 'Unbeatable software for computer-assisted music composition and editing' and is a music production app in the audio & music category. There are more than 25 alternatives to Harmony Assistant for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Harmony Assistant alternative is MuseScore Studio, which is both free and Open Source. Other great apps like Harmony Assistant are TuxGuitar, Guitar Pro, Rosegarden and Avid Sibelius.
Groovyband Live! is a realtime arranger software that runs on any Windows PC (tablet, laptop, desktop), interfaces with MIDI input devices (keyboards, pedal board, control surfaces) and produces a live stream of MIDI events to drive a suitable sound generator.
Busker is a complete set of tools to create musical arrangements from sheet music (chords + melody staff). It uses Yamaha compatible styles (thousands can be downloaded for free) for auto-accompaniment.
MidiYodi is a cross-platform MIDI Editor for the desktop that allows editing, examination, playback and conversion of MIDI files. MidiYodi provides a rich set of tools to examine and edit the layout, structure and content of a MIDI file.
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