The PHP Coding Standards Fixer : The PHP Coding Standards Fixer tool fixes most issues in your code when you want to follow the PHP coding standards as defined in the PSR-1 and PSR-2 ...
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...
asdf : Extendable version manager with support for Ruby, Node.js, Elixir, Erlang & more
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.
churn-php is a package that helps you identify php files in your project that could be good candidates for refactoring.