Library for parsing ISO 8601 strings

https://bitbucket.org/nielsenb/aniso8601/

ANother Tool for Language Recognition (python3 runtime)

https://www.antlr.org/

ASGI specs, helper code, and adapters

https://github.com/django/asgiref/

Astor allows easy manipulation of Python source via the AST

https://github.com/berkerpeksag/astor

AST unparser for Python

https://github.com/simonpercivall/astunparse

Collection of tools for internationalizing Python applications

https://babel.pocoo.org/

Session and Caching library with WSGI Middleware

https://beaker.readthedocs.io/en/latest/

Extract semantic information about static Python code

https://github.com/serge-sans-paille/beniget

Python bindings for Oracle Berkeley DB

https://www.jcea.es/programacion/pybsddb.htm

Lightweight pure Python package to check if a file is binary or text

https://github.com/audreyr/binaryornot

Deduplicating backup program

https://pypi.org/project/borgbackup/

Python extension module for BerkeleyDB 4+

https://www.jcea.es/programacion/pybsddb.htm

CFFI-based Cairo bindings for Python

https://github.com/SimonSapin/cairocffi

Python bindings for the Capstone Disassembly Engine

https://www.capstone-engine.org

Draw pretty animated colored circles in the terminal

https://github.com/tartley/cbeams

Highly-optimized, pure-python HTTP server

https://github.com/cherrypy/cheroot

Pythonic, object-oriented web development framework

http://www.cherrypy.org/

Python package for creating command line interfaces

https://github.com/pallets/click

Extend click.Group to invoke a command without explicit subcommand name

https://github.com/click-contrib/click-default-group

Cross-platform API to print colored terminal text from Python applications

https://github.com/tartley/colorama

Simple but powerful config file reader and writer

https://github.com/DiffSK/configobj/

Create projects from cookiecutters (project templates)

https://pypi.org/project/cookiecutter/

Collection of C++ headers to write Python C extension modules

https://pypi.python.org/pypi/cppy

Cryptographic recipes and primitives for Python developers

https://github.com/pyca/cryptography

Cryptographic recipes and primitives for Python developers

https://github.com/pyca/cryptography

Test vectors for the cryptography package

https://cryptography.io/en/latest/development/test-vectors/ https://github.com/pyca/cryptography/tree/main/vectors

Python port of YUI CSS Compressor

https://github.com/sprymix/csscompressor

Cssselect parses CSS3 Selectors and translates them to XPath 1.0

https://github.com/scrapy/cssselect

CSS selectors for Python ElementTree

https://github.com/Kozea/cssselect2

Coroutine-based library for concurrent Python systems programming

https://github.com/dabeaz/curio

Generate a version number from darcs history

https://pypi.org/project/darcsver/

Datadog Python library

https://github.com/DataDog/datadogpy

Extensions to the standard Python datetime module

https://dateutil.readthedocs.io

Serialize all of python

https://dill.readthedocs.io/en/latest/

Configurable set of panels to display debug information

https://django-debug-toolbar.readthedocs.io/en/latest/ https://github.com/jazzband/django-debug-toolbar

High-level Python Web Framework

https://www.djangoproject.com/

High-level Python Web Framework

https://www.djangoproject.com/

High-level Python Web Framework

https://www.djangoproject.com/

Python 3.4 Enum backported to 3.3, 3.2, 3.1, 2.7

https://pypi.org/project/enum34/

Bindings to the Linux input handling subsystem

https://pypi.org/project/evdev/

Fixtures, reusable state for writing clean tests and more

https://github.com/testing-cabal/fixtures

Micro web framework

http://flask.pocoo.org/

JWT token authentication for Flask apps

https://github.com/mattupstate/flask-jwt

Simple framework for creating REST APIs with Flask

https://flask-restful.readthedocs.io/

Add SQLAlchemy support to your Flask application

https://flask-sqlalchemy.palletsprojects.com/en/3.1.x/ https://github.com/pallets-eco/flask-sqlalchemy

Simple packaging tool for simple packages

https://flit.pypa.io/en/stable/ https://github.com/pypa/flit

Distribution-building parts of Flit

https://flit.pypa.io/en/stable/ https://github.com/pypa/flit/tree/main/flit_core

Python library for manipulating OpenType font features

https://github.com/simoncozens/fontFeatures

Collection of classes implementing the pen protocol for manipulating glyphs

https://github.com/robotools/fontPens

Freetype python bindings

https://github.com/rougier/freetype-py