Draw vector graphics to scale using a descriptive language
an Open Source BPMN 2.0 / DMN 1.1 Modeler
Open Source Solid Modeling CAD
Media Player
Full featured MUD server with all the trimmings.
Another drawing editor for LaTeX with PSTricks & TikZ
Multi-Tabbed and Multi-Layered Paint program with a rich tool set.
Java Audio Plugin System
Jiddu Krishnamurti's Book of Life|Libro de la Vida
Image viewer used for sorting and other utilities
Application which detects musical notes from the microphone.
X3D is the open-standard format for 3D graphics scenes on the Web.
Xj3D is an open-source Java codebase for the X3D Graphics standard.
Java3d scenegraph editor
Fileaxy does file sync, de-duplication, image matching & bulk preview
ProStack - a platform for image processing and analysis
Treebolic hyperbolic visualization for WordNet