PHP-Ni GUI class lib is a PHP class designed to support creation of Graphical User Interfaces. The class uses a Java Swing structure reference for proper library functionalities.   Code: PHP 5.0

PHP Layers Menu is a hierarchical menu system to prepare "on the fly" DHTML menus relying on the PHP scripting engine for the processing of data items. It achieves a compact layout and a compact output code also for menus with a large number of entries.   Code: PHP 4.0

VH Layout is a PHP class that provides a complete web layout package. Supports dynamic page caching, complete PHP creation (eliminates need for HTML), provides for new class management, and much more.   Code: PHP 4.0

Style Switcher is a PHP script which will allow users to switch between site styles by choosing an alternative stylesheet for your website. Requires clients to use browsers with cookie support.   Code: PHP 4.0