Sample App with Backbone.js and Twitter Bootstrap (coenraets.org)
Backbone.js is a lightweight JavaScript framework that provides the basic infrastructure (Model, Collection, View, and Router classes) to bring structure to your Web applications.

Twitter Bootstrap is a UI toolkit that provides simple and flexible HTML, CSS, and Javascript to implement popular user interface components and interactions.
Info: http://coenraets.org/blog/2012/02/sample-app-with-backbone-js-and-twitter-bootstrap/
GitHub: https://github.com/ccoenraets/backbone-directory