AButtonTree
Java control similar to the Microsoft Outlook side bar. You can use it as an applet to navigate your site or as a bean in a Java application. This well-documented demo allows a maximum of 2 buttons.

acNeilson
A perpetually spinning page counter.

ad
Mark's Ad applet can be used in many different manners, including the pop-up banner that is demonstated on this page. It displays a user-specified scrolling window with sound.

Adapplet
The free Adapplet acts as a gif/jpg animator for displaying ads on a Web page. When the user clicks the applet area, a menu pops up to let the user choose the URL/site to go to.

AddImgHW
A Java application that will add HEIGHT and WIDTH parameters to IMG tags in HTML documents.

aipconvex
Tired of preparing a long sequence of images for animation only to find out that they take too much time to download? This applet uses only one input image and performs animation in real-time.

AlexWarp
Click and drag inside the applet to warp the image.

AllLights
The objective of this puzzle is to turn on all of the lights in a 5x5 grid.

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!

Ampersand Internet Scroll Applet
There are plenty of applets that scroll text and plenty of applets that scroll images. This one does both!

ANButton
ANButton.class loads up to 10 images in a sequence, using image1 as a background and animating the others in the foreground.

Animaniac
Animaniac provides developers with one easy-to-use tool with all you need to create Java-based navigation trees, buttons, scrolling banners, etc.

animateButton
Frames-compatible animated buttons, with sound effects and source code.

Animator
Displays a sequence of images with sound effects.

AnimCercles
Customizable, hypnotic, psychedelic text effect.

AnimNav
Three-dimensional rotating navigation tiles.

AnimText
Based on Sun Microsystems' NervousText, this applet lets you color and animate your text.

Anfy Java
Anfy Java is a suite of 35 Java applets, capable of generating very impressive special effects at a low price.

AnFX
AnFX allows the user to create stunning Web animations with no programming or knowledge of Java required.

AnnounceIT
AnnounceIT is a free fading text banner applet. It displays as many messages as you need with fade out effects such as blur, fog, and wind.

AntiCrash
AntiCrash is a Java applet that runs on your desktop which prevents Windows95/98 from crashing.

apIRC
apIRC is a free multi-threaded IRC applet (with private msg, channel, nickname control, channel list, ban windows), that allows visitors to your site to connect to IRC servers.

AppletComposer
The AppletComposer application is a simplistic visual design studio for fast, robust, and unique applet customization.

AppletFile
AppletFile is designed to improve the process of exchanging files between a Web client and server using standard Web protocols like RFC 1867.

AppletWatcher
AppletWatcher is a small JAVA(tm) applet that visualizes the state of another applet. While the other applet is not activated (loaded from the net) an animated progressbar is displayed.

AquariumCity
The AquariumCity applet animates multiple images, one on top of the next. Images which have transparent areas will allow the image below to show through. This can be used to produce many eye-catching effects.

arith24
"Arithmetic 24" is a simulation of a popular traditional card game liked by kids and adult alike in China.

ArnoldCat
Arnold Cat is a visual treat and an example of NonLinear Phenomena from Marin's Java Gallery.

AScratchNWin
This free applet allows you to easily add Scratch and Win capabilities to your website! The 'percent' parameter allows you to specify the probability of a 'winning' item being displayed.

Ashleyticker
An extremely flexible text scroller.

aster
Asternoids--a shoot 'em up video game.

asteroids
The free asteroids applet is just like the one you remember from when you were a kid...except it won't cost you a quarter to play it. Source is included!

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.

AVCDynaTree
AVCDynaTree is a dynamic Web-navigation tree applet; the applet retrieves its tree data in multiple HTML files (dynamic or static pages), and allows the user to navigate to other Web sites when selecting tree items.

AvesNavTree
A nice and small navigation applet with lots of options and infinite nesting levels.