impress.js : It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com
cssQuery() : cssQuery() is a powerful cross-browser JavaScript function that enables querying of a DOM document using CSS selectors. All CSS1 and CSS2 selectors ar...
cliff : Command Line Interface Formulation Framework. cliff is a framework for building command line programs. It uses plugins to define sub-commands, output ...
TextBlob : TextBlob is a Python (2 and 3) library for processing textual data. It provides a simple API for diving into common natural language processing (NLP) ...
docopt : Command-line interface description language. docopt helps you define interface for your command-line app, and automatically generate parser for it.
In few words, Given a html document, it pulls out the main body text and cleans it up. It also can clean up title based on latest readability.js code.