AudioBox
A slick example of using JavaScript to communicate with an applet! Press a button to play a sound.

AudioItem
Plays .au files.

ClipControl
Play or loop an .au file in a web page, with optional controls.

Cornholio
Plays an audio file when a button is pressed.

Guitar
Click a radio button to play a note! The six notes are sampled from a Martin acoustic guitar.

ImageAudio
When you pass your mouse over the applet, you'll see a highlighted area and hear an audio clip. Source is included, making this a great tool for learning Java.

The vOICe Sonification Applet
Draw and hear your own soundscapes! Free Java applet for online spectrographic sound synthesis and analysis. Includes examples in the area of speech and music synthesis/analysis.

Mechanalyst
A novel quasi-'artificial-intelligence' applet based on the Eliza program.

MusicKeyboard
This free applet lets you use your computer keyboard like a music keyboard. Source is included!

piano
A neat virtual player piano. Source is included and has notes hard-coded in it.

Radio
Radio is a slick little applet which enables visitors to your site to play six different .au files.

talk
Plays foreground and background sounds.

Vivace
Plays .au files quickly each time a page is loaded. Source (only about 7 lines) is included.