docopt : Command-line interface description language. docopt helps you define interface for your command-line app, and automatically generate parser for it.
Clint : Clint is a python module filled with a set of awesome tools for developing commandline applications.
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) ...
Scrapy : Scrapy is a fast high-level screen scraping and web crawling framework, used to crawl websites and extract structured data from their pages. It can be...
NLTK : The Natural Language Toolkit (NLTK) is a Python package for natural language processing.
It provides easy-to-use interfaces to over 50 corpora and lex...
Command Line Interface Formulation Framework. cliff is a framework for building command line programs. It uses plugins to define sub-commands, output formatters, and other extensions.