Helium is a tool for discovering unused CSS across many pages on a web site. The tool is javascript-based and runs from the browser.
Gordon: An open source Flashâ„¢ runtime written in pure JavaScript
The Burst Engine is an OpenSource vector animation engine for the HTML5 Canvas Element. Burst provides similar web functionality to Flash and contains a layer based animation system like After Effects. Burst uses a very light-weight JavaScript frame, meaning your animations will download unnoticably quick and can be controlled using very simple JavaScript methods.
jQuery is a Javascript library that takes this motto to heart: Writing Javascript code should be fun. jQuery acheives this goal by taking common, repetitive, tasks, stripping out all the unnecessary markup, and leaving them short, smart and understandable
JsFiddle is a playground for web developers, a tool which may be used in many ways. One can use it as an online editor for snippets build from HTML, CSS and JavaScript. The code can then be shared with others, embedded on a blog, etc. Using this approach, JavaScript developers can very easily isolate bugs. We aim to support all actively developed frameworks - it helps with testing compatibility.
