JBox2D is a close Java port of Erin Catto's excellent C++ Box2D physics engine. Check out the demos below to see some examples of what it can do.
XRVG stands for "eXtended Ruby Vector Graphics". The purpose of this project is to define and implement a high-level and powerful programming environment for vector graphics generation.
JQuantLib is a free, open-source, comprehensive framework for quantitative finance, written in Java. It provides "quants" and Java application developers several mathematical and statistical tools needed for the valuation of financial instruments, among other features.
XMLTool is a very simple Java library to be able to do all sorts of common operations with an XML document. As a Java developer, I often end up writing the always the same code for processing XML, transforming, ... So i decided to put all in a very easy to use class using the Fluent Interface pattern to facilitate XML manipulations
This package realizes a typical behaviour found in many file-based conversations between independent systems: monitoring one or more local directories, observing incoming files and do something when they arrive.