JSyn - modular synthesis API for Java.
JMSL - Java Music Specification Language
PortAudio - cross platform audio I/O API for 'C'


Mobileer ME3000 Polyphonic Ringtone Engine

Plays standard polyphonic ringtones from SP-MIDI files and Mobile XMF files. Ultra-low memory footprint for embedded systems. Ideal for mobile phones, handheld devices, electronic toys or low-cost musical instruments.


Audio/Music Synthesis API for Java. Syntona is a Graphical Modular Sound Editor for JSyn.
Developer SDK, Documentation, Example Applets, CSyn


Collaboration Server for music jams, chat and games.
WebDrum - a Multi-User Drum Jam using TransJam.

Other Products

PortAudio - Cross-platform audio I/O library, free, open-source. (PC and Macintosh)

pForth - Highly  portable, 'C' based ANS Forth for workstations and embedded systems, public domain.

JMSL - Java Music Specification Language, an Algorithmic Composition API for Java with Nick Didkovsky