JBE is a fully-compliant JavaBeans editor written in pure J2SE5.0, designed to be painlessly integrated in any java software. It allows to recursively instantiate beans, inspect and edit them, browse through them, and invoke methods on/from them.
UBIQLIPSE is a plug-in for Eclipse that provides a WYSIWYG editor for the creation of UIQ 2.1 GUIs. UBIQLIPSE maintains an XML model of the GUI and converts this model into Symbian C++ code on demand, using an existing tool developed by Symbian.
JPop is a plugin that integrates the poplog (http://sourceforge.net/projects/openpoplog) environment as a plugin for the jedit (http://sourceforge.net/projects/jedit) programmers editor. The plugin is written in a mixture of Java, pop11, and beanshel
NiceSTEP is a set of Java components that replaces package java.awt and gives your Java application the look and feel of NeXTstep, GNUstep, and WindowMaker. Includes Slide Projector image viewer, FTP, Editor, and CD Burner.