Psalm : Psalm is a static analysis tool for finding errors in PHP applications.
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.
TLA : TLA stands for the Temporal Logic of Actions, but it has become a shorthand for referring to the TLA+ specification language and the PlusCal algorithm...
Phan : Phan is a static analyzer that looks for common issues and will verify type compatibility on various operations when type information is available or ...
Pre is a PHP preprocessor, designed to make adding new syntax effortless. It's also a collection of pre-built macros, which we use because they make our code clearer and simpler.