JSHint : A JavaScript Code Quality Tool. JSHint is a tool that helps to detect errors and potential problems in your JavaScript code.
tracing-framework : Rich tools for instrumenting, analyzing, and visualizing web apps.
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...
jscs is a code style checker. jscs can check cases, which are not implemented in jshint, but it does not duplicate jshint functionality, so you should use jscs and jshint together.