Intern : Intern is a complete test system for JavaScript designed to help you write and run consistent, high-quality test cases for your JavaScript libraries a...
JSHint : This is JSHint, a tool that helps to detect errors and potential problems in your JavaScript code.
boomerang : boomerang is a piece of javascript that you add to your web pages, where it measures the performance of your website from your end user's point of vie...
FirePHP : FirePHP enables you to log to your Firebug Console using a simple PHP method call.
All data is sent via response headers and will not interfere with t...
domsnitch : A passive reconnaissance tool inside the DOM (experimental)