AMiniSpeak!
AMiniSpeak allows you to speech enable your website easily! It can also be used to play CD's or voice overs. The full version supports compression of audio files by about 75%, plus allows buffering!

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

AudioCentric
The problem: you take the time to have streaming audio on your site, only to find out that no one has the right plugin. The solution: AudioCentric is a free Java applet that plays streaming audio files without a plugin!

AudioItem
Plays .au files.

AudioWeb
AudioWeb is a simple to use sound manager applet. It helps adding interactive sounds to web pages. In addition the applet does the spectral analysis of the sound and displays visual effects. There are two modes of playing audio clips: simple mode, when no visual effects are displayed, and visual mode.

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

CodeBrainVoice
CodeBrain's VOICE is a very fast, very small, multi-purpose sound applet.

Cornholio
Let users call up sound files with this basic audio applet. Source is included, and this is a good example if you want to begin coding sound in your Java projects.

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.

JamP 0.517
JamP is a Webstart enabled Mp3 Player. It can change the skin on the fly via a skin browser. It includes built in radio stations and a lot more.

Javamp3
Does your MP3 player have too many buttons? Well, this applet is an easy to use Mp3 Player with just 3 buttons. The GUI is user definable. Compiled with Java 1.4. The applet is deployed in an executable Jar, and a *.bat file for Windows.

Jazz Machine
A simple, tiny (9K), animated frequency generator. For wild web musicians! Source included!

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.

Jiver
Jiver is a 100% Java, 100% Freeware MP3 player. It does ID3 tag editing, uses extended filtering to create playlists. This filtering is done on attributes one can assign to songs.

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.

SayItNow!
Speech enable your website with SPEECH SYNTHESIS; the applet plays back any phrase you type! This is not steaming audio!

talk
Plays foreground and background sounds.

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

Xylophone
A great, open-source xylophone applet! Educational and fun to play. See the music being written as you play, and play back your compositions.

zMusicCenter
Treat your visitors to some music, without the need for plugins!