Natural CLI is a library that provides Java and Python command line developers with an easy way to use human readable command line interfaces. Command line are very easy to define. For examples, visit http://naturalcli.sourceforge.net
AjaxAnywhere turns any set existing JSP/JSF components into AJAX-aware components without a complex JavaScript coding. Simply separate your webpage into multiple zones, and use AjaxAnywhere to refresh only those zones that needs to be updated.
EZAppletHTML is a JavaScript script that enables you to display applets in a web-page with ease.
It checks the installed Java Plug-in version and writes HTML code to your page depending on how you wish the existence of an old version to be handled.