SlimerJS : A scriptable browser for Web developers
WebTorrent : WebTorrent is a streaming torrent client for the web browser and the desktop.
WebTorrent is written completely in JavaScript – the language of the web...
IE7.js : IE7.js is a JavaScript library to make Microsoft Internet Explorer behave like a standards-compliant browser. It fixes many HTML and CSS issues and ma...
Chrome Experiments : Google Chrome Experiments is an online showroom of web browser based experiments, interactive programs, and artistic projects.
Babel : Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
A JavaScript file you can insert into your pages to simulate the Firebug console in browsers that are not named Firefox.