HTML Purifier : HTML Purifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will not only remove all malicious code (better known as XSS)...
pChart : pChart is a PHP class oriented framework designed to create aliased charts.
Pimple : Pimple is a small Dependency Injection Container for PHP 5.3 that consists of just one file and one class (about 50 lines of code).
Text_Highlighter : Provides functionality to perform syntax highlighting for different file formats.