CodeClimate - Code Climate provides automated code review for your apps, letting you fix quality and security issues before they hit production. We check every commit, branch and pull request for changes in quality and potential vulnerabilities.
RequireJS - RequireJS is a JavaScript file and module loader.
ESLint - The fully pluggable JavaScript code quality tool
Webpack - Webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset.
SensioLabs Insight - PHP Project Quality Done Right.
JSPM - Front End Package Manager, Frontend Development, and Javascript