Soma.js – Your Way Out of Chaotic JavaScript

Soma.js is a javascript Library which helps to create
highly decoupled application
Here is a nice tutorial :
http://modernweb.com/2013/07/15/soma-js-your-way-out-of-chaotic-javascript/

You can also looks at those aother frameworks:
http://www.designyourway.net/blog/resources/a-collection-of-javascript-mvc-framworks-that-you-should-know/