The PHP Unit Testing framework.

A PHP static analysis tool for finding errors and security vulnerabilities in PHP applications

The most popular PHP library for use with the Twitter OAuth REST API.

Xdebug — Step Debugger and Debugging Aid for PHP

An elegant and modern git repository viewer

A tool for quickly measuring the size of a PHP project.

Copy/Paste Detector (CPD) for PHP code.

DbUnit port for PHP/PHPUnit.

Web Application (still alpha!) using Gearman, Jailkit and SilverStripe CMS

⚠️ Abandoned ⚠️

Officially supported PHP driver for MongoDB

Hammer Framework