Scala.js - Build robust front-end web applications in Scala with Scala.js
Google Chrome Developer Tools - Get started with Google Chrome's built-in web developer tools.
Imba - Take a whole lot of Ruby, a pinch of Python and some React, get Imba
Omnibug - Omnibug is a plugin for the Google Chrome and Mozilla Firefox browsers to ease developing and...
PureScript - PureScript is a small strongly typed programming language that compiles to JavaScript.
Fiddler - Fiddler is a debugging program for websites.