Yellow Lab Tools : Online test to help speeding up heavy web pages
PHP_CodeSniffer : PHP_CodeSniffer tokenises PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.
Which loads faster? : Pages compete head-to-head in your browser to see who's fastest!
SQL Injection Cheat Sheet : Samples are provided to allow reader to get basic idea of a potential SQL Injection attack and almost every section includes a brief information about...
WebScarab : WebScarab is a framework for analysing applications that communicate using the HTTP and HTTPS protocols.
Mink is an open source acceptance test framework for web applications, written in PHP 5.3.