CreateJS Developer Center

CreateJS is a suite of modular libraries and tools that enable rich interactive content on open web technologies via HTML5. These libraries are designed to work completely independently, or mixed and matched to suit your needs.
Flash Professional Toolkit for CreateJS is an extension to Flash Pro that publishes animated assets for use with the CreateJS suite, including tweens, vector shapes, and symbols. Create and export animated assets to HTML5 in one click.
Watch Preview the Flash Pro Toolkit for CreateJS (video) to learn how they work together.
CreateJS Suite

Watch Grant Skinner talk about Create JS and creating rich, interactive experiences for HTML5 at Create the Web.
The CreateJS Suite includes: EaselJS, TweenJS, SoundJS, PreloadJS, and Zoë.
Available with CS6, Flash Professional Toolkit for CreateJS exports assets to HTML5 in one click.