Antonio's open source software
Here's a list of open source software components that you may find of interest:
LambdaBeans. An IDE for the Scheme programming language built on top of the NetBeans Platform. GPL-v2. This project is currently "on hold" until R7RS is out.
Command Line Execution. A small library that allows you to embed operating system processes in Java applications.
NetBeans Standalone Editor. Use the NetBeans editor in standalone Swing applications.
Mandelbrot Explorer explore visually the Mandelbrot fractal, and experiment with SwingWorkers.
UITopics an Event Bus for Swing and an exercise on Java annotations.
Undo Text Wrapper add Undo/Redo support to JTextComponents very easily.
TreeWrapper add drag and drop support to Swing JTrees.
OPML Editor arrange your collection of RSS feeds easily.
SwingWorker Manager a component to visualize the advance of your SwingWorkers, with some other nifty features.
Splines Draw cardinal splines using Java2D