...Complex user interface elements can be realized often in few lines of code. Agar is also extensible at the low-level. The low-level API is documented such that modular drivers can be written which enable Agar applications to work seamlessly under many platforms graphics systems without any change at the application level.
JGraph is the most powerful, lightweight, feature-rich, and thoroughly documented open-source graph component available for Java. See the project homepage at www.jgraph.com for information and downloads.
A Flash-like movie editor. Uses Java 2D API. Users create and edit animated vector graphics, images, sound. Rich GUI, can export animation. Main page http://gazelle.dev.java.net. This SF site now mirror.
The Editable Vectors project provides a strong API for manipulating and editing the vector graphics. Project is based on the Swing classes. API is highly integrated to Java.
Web 2.0 environment for collaborative and extensible design of object interconnection diagrams like UML, networks, circuits and other graph based diagrams. Client: Web-based (AJAX / Dojo Toolkit) Server: JEE Application (Struts Framework)