Part Java part native, supports MP3, WAV, Ogg, and playlists. Windows 2000/XP.

Written in Java, based upon Flite 1.1: a run-time speech synthesis engine from Carnegie Mellon. Open source, BSD.

Cross-platform music studio software written in Java. Includes sequencer, software synths and realtime effects.

Tunings and temperaments. Demo applet.

Java MP3 Player supports WAV, AU, AIFF, Ogg Vorbis also.

API for specifying music using simple strings and easily transforming patterns of music.

Gui Enhanced Vorbis Ogg Player. Freeware.

Aids the creation of musical rhythms.

Applet uses standard AU sound files to modulate graphics on web page. Also offers Neurosonic e-Guitar.

Relative pitch ear training to recognize intervals. Freeware.

Music and synthesis software API, including JSyn and JavaSonics ListenUp.

WebSynth product line. Applets, players. Some freeware.

Applet and standalone application that plays MusicXML files and converts them into MIDI format.

Java program for designing and generating sounds on-line. Also a vocoder for download.