docopt : Command-line interface description language. docopt helps you define interface for your command-line app, and automatically generate parser for it.
cliff : Command Line Interface Formulation Framework. cliff is a framework for building command line programs. It uses plugins to define sub-commands, output ...
pydantic : Data validation and settings management using python type annotations.
SpaCy.io : spaCy is a library for industrial-strength natural language processing in Python and Cython. It features state-of-the-art speed and accuracy, a concis...
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...
Clint is a python module filled with a set of awesome tools for developing commandline applications.