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) ...
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...
Essentia : Open-source library and tools for audio and music analysis, description and synthesis
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 ...
spaCy is a library for industrial-strength natural language processing in Python and Cython. It features state-of-the-art speed and accuracy, a concise API, and great documentation.