ViewTIFF
Applet that allows the viewing of color or black and white TIFF documents through the Internet. [Commercial, w/ demo version]
http://www.acordex.com/vtj/

Amazing Spiro
An applet for making spirograph-like drawings; supports saving. Source available on request.
http://cgibin.erols.com/ziring/cgi-bin/spiro.pl/spiro.html

3Quarks
Colorful applets with source code and a description of the applet parameters. The applets are written in Java 1.0 and thus available problem-free on all Java enabled browsers.
http://www.3quarks.com/

6sense.com Applets
Collection of 6 free visual effect applets. Flame, Imgshow, Sphere3D, Snowdrift, StarGaze, and StarZone.
http://www.6sense.com/applets/

AlexWarp
A Java applet, including source code, that lets you warp Bill Gates' face (or, indeed, anyone else's).
http://www.axlrosen.net/

textscroller
Vertical text scroller (java applet).
http://textscroller.tripod.com/

Dynamic Graph Utility
Add dynamic graphs to your site. [Freeware]
http://www.geocities.com/dynamic_graphs/

Online Image editor
One may create or edit a picture directly at a Web page. A picture may be uploaded/downloaded to/from a server in PNG format. Installation assistance.[Commercial/Evaluation]
http://izhuk.com/painter/

Java 3d juggling siteswap animator
Animates juggling tricks (so called siteswaps) with Java 3D graphics.
http://www.siteswap.net/

WStar
Lines and circles. [Shareware]
http://www.propix.hu/www/WStarApplet/WStarApplet.html

Dragonlady Applets
Using applets to enhance images. Applets include lake, ripple, deform, huerot, snow, pool, doodle.
http://dragonlady.topcities.com/

Spirograph
Choose colors and shapes to create spirograph artwork.
http://www.wordsmith.org/~anu/java/spirograph.html

Kisekae World
Japanese animation. An integrated development system for creating and playing with KiSS paper dolls.
http://www.kisekaeworld.com/

VectaSketch
A 2D graphics applet and control interpreted language. Using it easier than coding effects in Java.
http://larrymears.tripod.com/vecta.htm

Net Imaging
Allows to process a photo online: crop, resize, rotate, flip. The resulting image can be uploaded to the server in JPEG format. No plug-in is required. [Shareware]
http://izhuk.com/imaging/

Freedom VR
A simple Java applet that lets embed photographic VR in web pages without any plug-ins. It's much like what Apple calls a Quicktime VR "Object Movie". [Open source, GPL]
http://www.honeylocust.com/vr/

The Kackie's Applet Site
A friendly family site with lots of pictures with Java applet animated affects and poetry, subjects include Holidays, Nature, Patriotic and Knights and ladies.
http://kackiesguy0.tripod.com/

Interactive Color Wheel
Java applet which allows viewing of the relationships between saturation, intenstity, hue, and luma. [Source code available]
http://r0k.us/graphics/SIHwheel.html

Java apple by VAU
Includes 3D Structure Viewer, Chess, Wheel Of Fortune, Paint and Blur, Picture Blur, Zooming Banner applets.
http://vau.newmail.ru/

MJS - Mandrixx Java Slideshow
A parametrable java slideshow applet, working in the middle of a web page, pop-up window or fullscreen and display images of any size to fit any area. [Shareware]
http://www.mandrixx.net/java-slideshow.php

Sierpinski's gasket pseudo-fractal applet
This applet draws a pseudo Sierpinski's gasket fractal using logical operators on binary numbers from 0-15.
http://home.scarlet.be/yvan_martens/fractal/sierpinski/fractal.html

Draw4free
Free, 2D+ vector drawing applet or application.
http://www.draw4free.com/

FLI/FLC-player
Inline FLI/FLC-player in Java. [Open source, GPL]
http://vsr.informatik.tu-chemnitz.de/~jan/FLI/FlicFile.html

MPEG-1 Player (no audio)
Inline MPEG-1 player in Java (with MPEG layer I decoder). [Open source, GPL]
http://vsr.informatik.tu-chemnitz.de/~jan/MPEG/MPEG_Play.html

Mugshot Maker
Online applet for creating mugshots.
http://www.mugshots.com/applet/