A PHP framework for building websites using XML/XSL techniques, cache on the server and more, by manipulating PHP 5 objects.
PHP Server Pages is a technique to build PHP-pages with tags similiar to a JSP taglib; this way, one can build the View-component of an MVC application without any PHP code directly inside the template.
This framework written in object oriented PHP4 can create RSS 2.0 feeds. Because the transformation from objects to RSS feed happens via XSLT, you can just as well transform the objects into whatever you want, if you have your own transformation file.
jEph is another generic syntax highlighter written in PHP. Unlike other approaches, this one does not have it's own format for syntax-files, but adapts the format of jEdit's syntax files.
PHPLion, framework for Java EE like PHP development.