The document discusses using Backbone.js and Ractive.js to build productive web applications. It provides an overview of the key features and benefits of each library, including Backbone's MV* pattern and Ractive's data binding capabilities. Code examples are given that demonstrate basic usage of models, collections and views with Backbone and two-way data binding with Ractive. The document also discusses how to combine the two libraries using a Ractive adapter for Backbone.