Spine-talk is a project mainly written in JAVASCRIPT and RUBY, it's free.
A talk on Spine.js for Codeaholics.hk on 29th June 2011
A talk given at http://Codeaholics.HK on Wednesday 29th June 2011 by Matthew Rudy Jacobs (@MatthewRudy)
Lessons learned from "Javascript Web Applications" (http://oreilly.com/catalog/0636920018421) Focusing on client-side MVC With specific examples using Spine (https://github.com/maccman/spine) And the chat app Holla (https://github.com/maccman/holla)