Github: JavaScript - Trending open source repositories. microjs - Collection of micro-frameworks and micro-libraries. JSter - JavaScript catalogue of libraries or frameworks. HTML5 Cross Browser Polyfills - HTML5 functionality in browsers that don't natively support them. TodoMVC - Helping to select an MV* framework. Stack Overflow:JavaScript - Introduction to the language with useful links to resources, docs, FAQs and tools. jashkenas/coffee-script Wiki - List of languages that compile to JavaScript. CodePen - Show case of advanced techniques with editable source code. MDN: List of JavaScript Shells - A JavaScript shell allows to quickly test snippets of JavaScript code without having to reload a web page. They are extremely useful for developing and debugging code. bebraw/jswiki Wiki - Indexes libraries and resources available for JavaScript. Life of JavaScript - Curated source of all types of awesome resources available for JavaScript. Wikipedia: Category JavaScript - Everything written about JavaScript at Wikipedia. Bower: Search - Search for packages. JavaScriptOO - With examples, categories, install commands, CDN links, project and author stats. Wikipedia: List of ECMAScript engines - Article of the Wikipedia. Pineapple: JavaScript - Tag JavaScript with projects, libraries and samples. Demo Studio - Mozilla directory of incredible JavaScript and CSS demonstrations. Unheap - Showcase of plugins, widgets and libraries. JSPkg - Community's JavaScript package host. DaRaFF/jsgamewiki - A collection of links for gaming with JavaScript. JavaScript Tools - Resources - A collection of one-page categorized and described resources for the js-tools mailing list. Superhero.js - A collection of the best articles, videos and presentations about creating, testing and maintaining a large JavaScript code base. Code Triage: JavaScript - List repositories sorted by number of issues. Aims to expose projects that may need contributors to fix open issues or bugs.