DrawSWF
A drawing program to generate flash animations. [Open source, GPL]
url: drawswf.sourceforge.net/
Java Image Studio
Tool for operating system independent image editing. [Freeware]
url: xlurk.tripod.com/
JChemPaint
Java program to create 2D chemical diagrams. [Open Source, LGPL]
url: jchempaint.sourceforge.net/
jPicEdt for LaTeX
A tool which allows you to draw pictures or graphs using LaTeX's own picture environment. [Open Source, GPL]
url: www.ensea.fr/staff/reynal/jpicedt/en/
Nonosee
An image viewer written in Java. You can customize it, add library, create filter, add a language.
url: nonosee.pere-nono.com/anglais/
Raja
Ray-tracing application. [Open Source, GPL/LGPL]
url: rajaweb.free.fr/