bebraw/jswiki Wiki: Indexes libraries and resources available for JavaScript

Def-Logic Videogames: Collection of free JavaScript videogames

Eich, Brendan: Inventor of JavaScript. Occasional talks about the future of the language with references to its history

jashkenas/coffee-script Wiki: List of languages that compile to JavaScript

JavaScript Guide: Overviews, demonstrations, sample code, values, expressions, functions, objects and closures

jQuery: A fast, concise, library that simplifies how to traverse HTML documents, handle events, perform animations, and AJAX

JSbooks: Showcase of books and ebooks about JavaScript

node.js: Event-driven I/O server-side JavaScript environment based on V8. Includes API documentation, change-log, examples and announcements

npm: Package manager. Installs, publishes and manages node programs

rwaldron/idiomatic.js: Principles of writing consistent, idiomatic JavaScript