docopt : Command-line interface description language. docopt helps you define interface for your command-line app, and automatically generate parser for it.
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) ...
Clint : Clint is a python module filled with a set of awesome tools for developing commandline applications.
Cliquet : Cliquet is a toolkit to ease the implementation of HTTP microservices, such as data-driven REST APIs.
Leaflet : A Modern, Lightweight Open-Source JavaScript Library for Interactive Maps
The Kartograph map generator has just one method, which is there to generate SVG maps (surprise).