atoum : A simple, modern and intuitive unit testing framework for PHP!
GrumPHP : Sick and tired of defending code quality over and over again? GrumPHP will do it for you! This composer plugin will register some git hooks in your pa...
PHP_CodeSniffer : PHP_CodeSniffer tokenises PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.
Psalm : Psalm is a static analysis tool for finding errors in PHP applications.
Litmus : Test and track your emails. Email previews, analytics and spam filter testing.
This PHP library allows creating functional webdriver tests with PHP.