"Chosen is a JavaScript plugin that makes long, unwieldy select boxes much more user-friendly. It is currently available in both jQuery and Prototype flavors."

"pageguide.js is an interactive visual guide to elements on web pages.
Instead of cluttering your interface with static help message, or explanatory text,
add a pageguide and let your users learn about new features and functions."

"Popcorn.js is an event system for HTML5 media developers. Think jQuery for video. You can leave the heavy lifting to Popcorn, and concentrate on what you do best: writing awesome code."

"A simple micro-library for defining and dispatching keyboard shortcuts."

"UIKit is a small collection of flexible, decoupled jQuery JavaScript components for the modern web."

"Dataset is a JavaScript client-side data transformation and management library. Dataset makes managing client-side data easy by handling loading, parsing, sorting, querying & manipulating data from all sorts of sources."

"Meteor is a set of new technologies for building top-quality webapps in a fraction of the time, whether you're an expert developer or just getting started."

"Here, I try to document the good practices that our team has learned along the way building Backbone applications."

"This is a document with best practices in Backbone. This is a massive work-in-progress."

"Asynchronous Module Definitions designed to load modular code asynchronously in the browser and server. It is actually a fork of the Common.js specification. Many script loaders have built their implementations around AMD, seeing it as the future of modular Javascript development."

This article will show several simple changes that can be made to improve the performance of your Web applications. Areas covered will be ECMAScript - the core language used by JavaScript, DOM, and document loading.

D3 allows you to bind arbitrary data to a Document Object Model (DOM), and then apply data-driven transformations to the document. As a trivial example, you can use D3 to generate a basic HTML table from an array of numbers. Or, use the same data to create an interactive SVG bar chart with smooth transitions and interaction.

"This book teaches intermediate JavaScript developers the art of third-party scripting. Topics covered include cross-domain messaging, third-party cookies, defensive and adaptive HTML and CSS, JS API development, performance best practices, and more."

"Eloquent JavaScript is a book providing an introduction to the JavaScript programming language and programming in general."

"A distributed data scraping and processing framework"

"If you are new to JavaScript, start with the JavaScript Guide. Once you have a firm grasp of the fundamentals, you can use the JavaScript Reference to get more details on individual objects and statements."

"Readability is a browser bookmarklet that takes a crack at wiping out all that junk so you can have a more enjoyable reading experience. It works with all the latest browsers and its success rate is pretty respectable (we'd guess over 90% of web sites are handled properly)."

"Socket.IO aims to make realtime apps possible in every browser and mobile device, blurring the differences between the different transport mechanisms."

"PhantomJS is a headless WebKit with JavaScript API. It has fast and native support for various web standards: DOM handling, CSS selector, JSON, Canvas, and SVG."