GNU Portable Threads

http://www.gnu.org/software/pth/

GNU Portable Threads

http://www.gnu.org/software/pth/

Light-weight, simple and fast XML parser for C++ with XPath support

http://pugixml.org/

Script to update snort-2.8+ rules

https://github.com/shirkdog/pulledpork/

Sound server for UNIX

http://pulseaudio.org/

Discord plugin for libpurple

https://github.com/EionRobb/purple-discord

Facebook plugin for libpurple

https://github.com/dequis/purple-facebook

Free Blizzard Battle.net emulation software

http://pvpgn.berlios.de

Finite-state machines in Python

https://github.com/glyph/Automat

Python parser for the CommonMark Markdown spec

https://github.com/rtfd/CommonMark-py

Fast and easy to use stand-alone template engine

https://jinja.palletsprojects.com/en/3.1.x/

Implements a XML/HTML/XHTML Markup safe string for Python

https://github.com/pallets/markupsafe

Piecewise linear interpolation in multiple dimensions

https://github.com/LettError/MutatorMath

Access a MySQL database through Python

https://github.com/farcepest/MySQLdb1

Iconic fonts in PyQt and PySide applications

https://github.com/spyder-ide/qtawesome

Abstraction layer on top of the various Qt bindings

https://github.com/spyder-ide/qtpy

Small text templating language

https://pythonpaste.org/tempita/

ACME protocol implementation in Python

https://github.com/certbot/certbot/tree/master/acme

Simple DNS resolver for asyncio

https://pypi.org/project/aiodns/

Async http client/server framework (asyncio)

https://github.com/aio-libs/aiohttp

Python library for accessing PostgreSQL database using asyncio

https://github.com/aio-libs/aiopg

Python asyncio (PEP 3156) Redis client library

https://github.com/aio-libs/aioredis

AsyncIO bridge to the standard sqlite3 module for Python 3.5+

https://pypi.python.org/pypi/aiosqlite

Modified Kr Sphinx theme

https://github.com/bitprophet/alabaster

Namespace control and lazy-import mechanism

https://bitbucket.org/hpk42/apipkg

Python module for determining platform-specific dirs

https://github.com/ActiveState/appdirs

Better dates and times for Python

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

ASN.1 library with a focus on performance and a pythonic API

https://github.com/wbond/asn1crypto

Abstract syntax tree for Python with inference support

https://github.com/PyCQA/astroid

Tiny library to add async generators to Python 3.5

https://pypi.org/project/async_generator/

Timeout context manager for asyncio programs

https://github.com/aio-libs/async-timeout

Reference implementation of PEP 3156 (Asynchronous IO)

https://github.com/python/asyncio

AtomicLong type using CFFI

https://pypi.org/project/atomiclong/

Atomic file writes library

https://github.com/untitaker/python-atomicwrites

Python API for the D-BUS based SPI framework

https://gitlab.gnome.org/GNOME/pyatspi2

Python attributes without boilerplate

https://github.com/python-attrs/attrs

Python module for RFC 5451 Authentication-Results headers

https://launchpad.net/authentication-results-python/

WebSocket client & server library, WAMP real-time framework

http://autobahn.ws/python

Collection of tools for internationalizing Python applications

http://babel.pocoo.org/

Shared namespace shim for py-backports.* ports

Backport of the lru_cache function from Python 3.3's functools

https://pypi.org/project/backports.functools_lru_cache/

Backport of new features in Python's os module

https://github.com/pjdelport/backports.os

Tools to help document botocore-based projects

https://github.com/boto/bcdoc/

Modern password hashing for your software and your servers

https://github.com/pyca/bcrypt/

Library for working with BDF font files

https://gitlab.com/Screwtapello/bdflib

Session and Caching library with WSGI Middleware

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

Boolean operations on paths

https://github.com/typemytype/booleanOperations

Deduplicating backup program

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

Python interface to Amazon Web Services

https://github.com/boto/boto/

AWS SDK for Python

https://github.com/boto/boto3