PHP_CodeSniffer : PHP_CodeSniffer tokenises PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.
Browserling : Live interactive cross-browser testing
Litmus : Test and track your emails. Email previews, analytics and spam filter testing.
Gitleaks : Gitleaks is an open-source SAST (static application security testing) command line tool for detecting and preventing hardcoded secrets like passwords,...
The Coach : The coach helps you find performance problems on your web page. Think of the coach as a modern version of YSlow. The coach will give advice of how you...
Set of tools for testing with older or newer IE browsers