PHP Quick Profiler : A tool for quickly profiling variables and resources used by PHP.
Diagnostic.css : Diagnostic.css is a stylesheet which allows the user to test for common errors in a page's markup.
Also : https://github.com/karlgroves/diagnostic.css
Yellow Lab Tools : Online test to help speeding up heavy web pages
GrumPHP : Sick and tired of defending code quality over and over again? GrumPHP will do it for you! This composer plugin will register some git hooks in your pa...
Mink is an open source acceptance test framework for web applications, written in PHP 5.3.
