JSyn - modular synthesis API for Java.
JMSL - Java Music Specification Language
PortAudio - cross platform audio I/O API for 'C' is the home for various audio and music projects by Phil Burk and Mobileer Inc.

Latest News

11/3/14 JSyn V16.7.1 Released - A new version of the "Pure Java" JSyn has been released. Downloadable JAR and release notes here. This version includes some new mixer unit generators.