This document discusses kRouter, a CoffeeScript routing library for AngularJS applications. It introduces kRouter and its key features like handling routes with history.pushState() and window.onpopstate. The document also provides an overview of kRouter's code structure, including common, directive, module, and provider CoffeeScript files. It concludes by explaining how to install CoffeeScript, clone the kRouter git repository, and get started using the library.