CreateJS is a set of JavaScript libraries & tools for building which can work independently or together for creating HTML5-powered, interactive experiences.
These libraries are designed to work completely independently, or mixed and matched to suit your needs. The CreateJS Suite is comprised of:
Currently, it consists of 4 libraries:
- EaselJS – for working with HTML5 canvas
- TweenJS – a tweening and animation library
- AudioJS – a cross-browser and consistent audio API
- PreloadJS – to manage the loading of assets

And, there is an Adobe AIR app named Zoë which is an open source tool forgenerating spritesheet images and frame data from SWF files.
They can be downloaded and requested from our websites or a free CDN is provided for faster/easier usage.
Compatibility: All Major Browsers
Website: http://createjs.com/
Download: http://createjs.com/#!/CreateJS/download