Tritonus is an implementation of the Java Sound API.
Currently, GNU/Linux i386 and Linux/PowerPC is supported. Some separately downloadable plugins also run on other JavaSound platforms. Support for other platforms is planned for the future.
Jm-Etude is a jMusic wrapper for the processing environment. It provides a high level API to communicate with jMusic therefore it makes it more easy to programm music composition with processing. jMusic itself is a solid framework for computer-assisted composition in Java, it is also used for generative music, instrument building, interactive performance and music analysis. If you are interested to find out more about jMusic, visit the project homepage