PaintBox is a free open source painting program with built in shapes.
A graphical Finite State Machine (FSM) designer.
QR Code Generator by Aspose.BarCode for Java is an opensource webapp
JSP tag library for displaying charts in web pages
Java 2D graphics/utility library
jchart2d is a real-time charting library written in java.
Java bindings to cairo
Simple Image Frame
Shape recognition for video games using fast algorithms (heuristics).
Java3D Scene Creator
AMOS BASIC reimplementation in Java
Community Supported Eclipse Visual Editor
Volume Rendering library in Java