Python bindings for the D-BUS messaging system

https://dbus.freedesktop.org/doc/dbus-python/

Data-Driven Tests for Python Unittest

https://readthedocs.org/projects/ddt/

Better living through Python with decorators

https://github.com/micheles/decorator

Set of flexible objects for representing UFO data

https://github.com/typesupply/defcon

XML bomb protection for Python stdlib modules

https://bitbucket.org/tiran/defusedxml

Linux OS platform information API

https://github.com/nir0s/distro

Python library for DKIM email signing and verification

https://launchpad.net/dkimpy

Manipulate DNS records on various DNS providers in a standardized way

https://github.com/AnalogJ/lexicon

DNS toolkit for Python

http://www.dnspython.org/

Python library for the Docker Engine API

https://github.com/docker/docker-py

Python bindings for the docker credentials store API

https://github.com/shin-/dockerpy-creds/

Pythonic argument parser, that will make you smile

http://docopt.org/

Python Documentation Utilities

https://docutils.sourceforge.io/

Helpful CLI utilities for querying and connecting to EC2 instances

https://github.com/FlipPath/ec2-cli-tools

ECDSA cryptographic signature library (pure python)

https://github.com/warner/python-ecdsa

Robust email address syntax and deliverability validation library

https://github.com/JoshData/python-email-validator

Extensions to py-rich

https://pypi.org/project/enrich/

Discover and load entry points from installed packages

https://github.com/takluyver/entrypoints

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/

Distributed Python deployment and communication

http://codespeak.net/execnet/

Useful extra bits for Python

https://pypi.org/project/extras/

Scans log files and bans IP that makes too many password failures

https://www.fail2ban.org/wiki/index.php/Main_Page

Python package that provides useful locks

https://github.com/harlowja/fasteners

Flexible Isometric Free Engine

http://www.fifengine.net/

Platform independent file lock

https://github.com/benediktschmitt/py-filelock

Fixtures, reusable state for writing clean tests and more

https://pypi.org/project/fixtures/

Code checking using pep8 and pyflakes

https://pypi.org/project/flake8/

Micro web framework

http://flask.pocoo.org/

FlatBuffers serialization format for Python

https://google.github.io/flatbuffers/

Random assortment of WSGI servers

https://bitbucket.org/denisenkom/flup

Font version reporting and modification tool

https://github.com/source-foundry/font-v

Set of objects for performing math operations on font data

https://github.com/typesupply/fontMath

Font analysis tool for determining character/glyph support

https://github.com/googlefonts/pyfontaine

Well designed Font QA tool

https://github.com/googlefonts/fontbakery

Compile fonts from sources to binary

https://github.com/googlei18n/fontmake

Open source library for manipulating fonts, written in Python

https://github.com/fonttools/fonttools

Open source library for manipulating fonts, written in Python

https://github.com/fonttools/fonttools

Simple PDF generation for Python

https://code.google.com/p/pyfpdf/

Let your Python tests travel through time

https://github.com/spulec/freezegun

Python filesystem abstraction

http://pyfilesystem.org/

Python Filesystem abstraction layer, version 2.x

https://www.pyfilesystem.org/

Mail scanning daemon for Postfix written in Python

https://fuglu.org/

Python function signatures from PEP362

http://funcsigs.readthedocs.org/

Clean single-source support for Python 3 and 2

https://python-future.org/

Module designed to write games in Python

https://www.pygame.org/news

Python bindings to the GNU dbm library (Python 3.10)

Toolkit for generation of output for the web

https://genshi.edgewall.org/

Documentation generator for GObject-based libraries

https://gitlab.gnome.org/GNOME/gi-docgen

Git Object Database

https://pypi.org/project/gitdb2/