phpODPWorld is a package that allows you to display everything or any category from dmoz.org or ODP using RDF. It contains scripts that parse and insert the RDF into a database and a script that displays and searchs the categories. They features support for internationalization, caching through the use of the Smarty template engine, and the use of CSS for styling the display of categories.
phpSERA is a tool for Search Engine Ranking Analysis (SERA). The rankings are based on parsing output of search engines, using simple regular expressions. Given one or more search engines, one or more keyphrases and a single URL to look for, it connects to the search engine(s), parses the result pages, and displays a ranking report.
phpXplorer is an file management system and explorer that makes it possible to work on a remote file system through a Web browser. By default, it includes dialogs for editing HTML, PHP, images, Apache, compressed files, and emails. Its modular design makes it easy to build your own filetypes, property sheets, views, and themes. A permission manager allows you to restrict access to the shared file system for multiple users in a detailed way.