JavaScript Sequence Editor
a parametric 3D CAD modeler
Another drawing editor for LaTeX with PSTricks & TikZ
Toolkit for working with and mapping geospatial data
Tools to process and visualize scientific data and images
Cross Platform GUI Toolkit
HARFANG 3D source code public repository
Lens effect in a JPanel Java library
Map Generation Application and API
Gphoton in a simple 3d modeler and ray tracer.
Raw Image Objects for Lazarus/FreePascal
Get some cool ascii faces
JSP tag library for displaying charts in web pages
jchart2d is a real-time charting library written in java.
HTML5 editor, free and open-source website builder based on Silex
Java bindings to cairo
thumb improved ( smarty image plugin )
Volume Rendering library in Java