HTML_QuickForm2 : This PHP package provides methods to create, validate and render HTML forms.
TCPDF : TCPDF is a FLOSS PHP class for generating PDF documents.
pChart : pChart is a PHP class oriented framework designed to create aliased charts.
PHPUnit : PHPUnit is the de-facto standard for unit testing in PHP projects. It provides both a framework that makes the writing of tests easy as well as the fu...
Idiorm and Paris : A minimalist database toolkit for PHP5.
Object relational mapper (ORM), fluent SQL query builder and Active Record implementation for PHP.
A powerful class which allows to create and merge unified diff patches into any file. Fully written in PHP, uses the GNU standard unified diff format and allows any operation (creation/update/deletion).