Strasheela is a constraint-based music composition system. The user defines music theories by sets of compositional rules and the system creates music which complies with these theories. User-interface is the programminglanguage Oz.
jVSTwRapper allows you to develop VST (2.4), Audio Unit (AU) and LADSPA compatible audio plugins and virtual instruments plus user interfaces (Swing) with the Java programminglanguage on Windows, Linux and Mac OSX. 5 demo plugins (+src) are included.
A modular audio programminglanguage, designed to write applications quickly. Its main goal is real time audio processing, but it should be used for any kind of development.
FluidGUI is a graphical user interface for FluidSynth (www.fluidsynth.org), an open-source
software synthesizer based on the MIDI and Sound Font specifications. FluidGUI is developed in the Java programminglanguage.