Harmony Assistant is a all-in-one software product for composing, playing and printing music, with digital audio capabilities.
The list of features in this program is so large that it cannot be enumerated here.
Just give it a try...
Create computer-synthesized, electronic sounds - simply by moving your mouse! With RolloSONIC, you can create many different types of synthesized sounds - ranging from those heard in film to those heard in techno and trance music.
Max Magic Microtuner is a Macintosh application (OS X and OS 9 Carbon) for creating and editing microtonal scales and keyboard mappings; as a special feature it allows Max/MSP and Pluggo users to generate their own alternate tuning external objects b