SilkPHP TextPass system was initially created as a temporary solution, whilst testing other scripts that were not yet publicly available. This system allows you to quickly set up a protected area for testing, and then remove everything once testing is complete. The resulting scripts may also be useful to those just starting out learning PHP and cookies.
WildWEB is an Open Source framework to Web application development written in PHP. It provides a complete set of core services to Web applications such as HTML/code separation through an advanced Template system, database abstraction, rich set of functions to automatically construct browsers, filters and (include|delete|update) forms to any table, and a powerfull API to build custom forms with validation.
QTOFileManager is a Web-based file manager written with PHP. It is easy to install, since it consists of just one script file. It allows you to upload, delete, and edit files, and add and remove directories. It also features optional user authentication. The Webmaster can specify which features are enabled, as well as which file extensions can be edited, the maximum hard drive space allowed to a user, and the maximum file size allowed to a user.
PADDA is a database abstraction, user authentication, data bound form builder, menu builder, and templating system for PHP. The system allows you to quickly and easily develop data driven applications for the Web. One of PADDA's strong features is the automated navigation widget that is generated for a given record set, and the fact that it achieves very good performance when navigating large datasets.