PhantomJS : PhantomJS is a headless WebKit with JavaScript API. It has fast and native support for various web standards: DOM handling, CSS selector, JSON, Canvas...
Babel : Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
tox : Command line driven CI frontend and development task automation tool
At its core tox povides a convenient way to run arbitrary commands in isolated en...
Grunt is a task-based command line build tool for JavaScript projects