Pure Python QR code generator with SVG, EPS, PNG and terminal output

https://github.com/mnooner256/pyqrcode

Generate and parse RFC 3339 timestamps

https://pypi.org/project/pyRFC3339/

Persistent/Functional/Immutable data structures

https://github.com/tobgu/pyrsistent

Python interface to sendfile(2)

https://github.com/giampaolo/pysendfile

Serial port encapsulation library for Python

https://github.com/pyserial/pyserial

Python SOCKS module

https://github.com/Anorov/PySocks

Deal PySol FC Cards

https://pypi.org/project/pysol-cards/

SPF (Sender Policy Framework) implemented in Python

https://github.com/sdgathman/pyspf

Snowball Stemming Algorithms for Information Retrieval

https://pypi.org/project/PyStemmer/

Simple powerful testing with Python

https://docs.pytest.org/en/latest/

Py.test plugin providing fixtures and markers for asyncio

https://pypi.org/project/pytest-asyncio/

pytest plugin to enable format checking with black

https://github.com/shopkeep/pytest-black

Pytest plugin with mechanisms for caching across test runs

https://bitbucket.org/hpk42/pytest-cache/

Py.test plugin to capture log messages

https://bitbucket.org/memedough/pytest-capturelog/overview

Pytest plugin for measuring coverage

https://github.com/pytest-dev/pytest-cov

Enable installed pytest plugins

https://github.com/jaraco/pytest-enabler

pytest plugin to check FLAKE8 requirement

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

Run tests in isolated forked subprocesses

https://github.com/pytest-dev/pytest-forked

py.test plugin to check import ordering using isort

https://github.com/moccu/pytest-isort

Thin wrapper around the mock package for easier use with py.test

https://github.com/pytest-dev/pytest-mock/

Mypy static type checker plugin for pytest

https://github.com/dbader/pytest-mypy

Test support for pytest runner in setup.py

https://github.com/pytest-dev/pytest-runner

Pytest plugin to abort hanging tests

https://bitbucket.org/pytest-dev/pytest-timeout

Pytest xdist plugin for distributed testing and loop-on-failing modes

https://github.com/pytest-dev/pytest-xdist

Pure python bindings for Augeas

http://augeas.net

Mock D-Bus objects for tests

https://pypi.org/project/python-dbusmock

Add support for i18n, documentation, and icons to distutils

https://salsa.debian.org/python-team/modules/python-distutils-extra

Sphinx theme for the CPython docs and related projects

https://pypi.org/project/python-docs-theme/

Library for loading configurations easily in Python

https://github.com/RussellLuo/easyconfig

Python package to manipulate LilyPond files

https://github.com/wbsoft/python-ly

Basic functions for handling mime-types in Python

http://code.google.com/p/mimeparse/

Python MPD client library

https://github.com/Mic92/python-mpd2

Python implementation of subunit test streaming protocol

https://launchpad.net/subunit

Python Xapp library

https://github.com/linuxmint/python3-xapp

Python wrapper for HTML Tidy (tidylib)

http://countergram.com/open-source/pytidylib

Pure Python implementation of the trie data structure

https://github.com/gsakkis/pytrie

World Timezone Definitions for Python

https://pythonhosted.org/pytz/

Pure Python libudev binding

https://pyudev.readthedocs.org

Easy mail library to parse, compose and send emails

https://www.magiksys.net/pyzmail

Python bindings for the Qt5 toolkit, QtCore module

https://riverbankcomputing.com/software/pyqt

Python bindings for the Qt5 toolkit, QtDBus module

https://riverbankcomputing.com/software/pyqt

Qt event loop support for dbus-python

https://riverbankcomputing.com/software/pyqt

Python bindings for the Qt5 toolkit, QtDesigner module

https://riverbankcomputing.com/software/pyqt

Python bindings for the Qt5 toolkit, QtDesigner plugin

https://riverbankcomputing.com/software/pyqt

Python bindings for the Qt5 toolkit, QtGui module

https://riverbankcomputing.com/software/pyqt

Python bindings for the Qt5 toolkit, QtHelp module

https://riverbankcomputing.com/software/pyqt

Python bindings for the Qt5 toolkit, QtLocation module

https://riverbankcomputing.com/software/pyqt

Python bindings for the Qt5 toolkit, QtMultimedia module

https://riverbankcomputing.com/software/pyqt

Python bindings for the Qt5 toolkit, QtMultimediaWidgets module

https://riverbankcomputing.com/software/pyqt

Python bindings for the Qt5 toolkit, QtNetwork module

https://riverbankcomputing.com/software/pyqt