jEdit is a programmer's text editor written in Java.
an OSGi-based Swing Application Framework
Tools for developing qooxdoo Web apps
Simple Web-based environment for PHP scripting in programming class
A Java class library of general usability
Localization tools built by localizers for localizers
a Human and Artificial Intelligence Network
Aspose for Spring.Java provides Aspose API samples for Spring.Java.
FCKeditor (retired)
Library of linguistic tools
Dev-C++ with wxWidgets designer
The Scratch mod, Tiger