Kint : Kint for PHP is a tool designed to present your debugging data in the absolutely best way possible.
In other words, it’s var_dump() and debug_backtrac...
Webhook Tester : Webhook Tester allows you to easily test webhooks and other types of HTTP requests.
Mink : Mink is an open source acceptance test framework for web applications, written in PHP 5.3.
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
A tool for quickly profiling variables and resources used by PHP.