D3 allows you to bind arbitrary data to a Document Object Model (DOM), and then apply data-driven transformations to the document.

Flotr2 is a fork of the popular Flotr library and offers a great canvas-based way to render attractive charts and graphs. Flotr2 brings library agnosticism and mobile/touch event support to the table and clocks in at under 25KB!

A simple, modern, framework-independent, well-tested, unobtrusive, notification system. Utilizes CSS transitions when available, falls back to JS animation when not. Includes mobile support.

KeyboardJS is a library for binding to keys or key combos. Its available as an AMD module or a standard Library.

A lightweight javascript date library for parsing, manipulating, and formatting dates.

Tangle is a JavaScript library for creating reactive documents. Your readers can interactively explore possibilities, play with parameters, and see the document update immediately. Tangle is super-simple and easy to learn.

JavaScript currency conversion library, done right - with no dependencies, in just over 1 kb.

"This wiki indexes available libraries and resources available for JavaScript." Mentioned in Paul Irish's SFJS talk.

Including his presentation from SFJS "Getting the Native Feel: JavaScript for Mobile and Tablet Web Apps" and the Touchy plugin.

No images, no external CSS
No dependencies
Highly configurable
Resolution independent
Works in all major browsers, including IE6
Smaller than an animated GIF (3K minified, 1.7K gzipped)
MIT License

The Prelinger Library is an appropriation-friendly, browsable collection of approximately 40,000 books, periodicals, printed ephemera and government documents located in San Francisco, California, USA.

Create fixed scrolling divs in Mobile Safari.

In this tutorial, I'll go over the code for CloudEdit, an example Backbone.js app backed with Rails that outlines some basic patterns that I've used successfully in my Rails Backbone projects.

Backbone supplies structure to JavaScript-heavy applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing application over a RESTful JSON interface.

Have you ever wanted to do if-statements in your CSS for the availability of cool features like border-radius? Well, with Modernizr you can accomplish just that!