PsySH : A runtime developer console, interactive debugger and REPL for PHP. PsySH can be used as an interactive debugger, much like JavaScript's debugger sta...
atoum : A simple, modern and intuitive unit testing framework for PHP!
PHP_CodeSniffer : PHP_CodeSniffer tokenises PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.
FireLogger : A sexy server logger console in Firebug
