Free Blizzard Battle.net emulation software

http://pvpgn.berlios.de

The Video4Linux PWC webcam viewer

http://raaf.atspace.org/

Small, powerful, GPL'ed password generator

https://sourceforge.net/projects/pwgen/

Finite-state machines in Python

https://github.com/glyph/Automat

Python parser for the CommonMark Markdown spec

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

Python package that generates fake data for you

https://github.com/joke2k/faker

Fast and easy to use stand-alone template engine

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

Piecewise linear interpolation in multiple dimensions

https://github.com/LettError/MutatorMath

OpenGL (and related library) interface for Python

http://pyopengl.sourceforge.net/

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

Store passwords using the SecretService DBus API

https://pypi.org/project/SecretStorage/

Small text templating language

https://pythonpaste.org/tempita/

Abseil Python Common Libraries

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

ACME protocol implementation in Python

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

Adobe Font Development Kit for OpenType

https://github.com/adobe-type-tools/afdko

Async client for aws services using botocore and aiohttp

https://aiobotocore.readthedocs.io/en/latest/ https://github.com/aio-libs/aiobotocore

Simple DNS resolver for asyncio

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

File support for asyncio

https://github.com/Tinche/aiofiles

FTP client/server for asyncio

https://aioftp.readthedocs.io/

Async http client/server framework (asyncio)

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

Itertools and builtins for AsyncIO and mixed iterables

https://github.com/omnilib/aioitertools

Python library for accessing PostgreSQL database using asyncio

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

Implementation of QUIC and HTTP/3

https://aioquic.readthedocs.io/en/latest/ https://github.com/aiortc/aioquic

Python asyncio (PEP 3156) Redis client library

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

List of registered asynchronous callbacks

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

Asyncio based SMTP server

https://aiosmtpd.readthedocs.io/

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

Database migration tool for SQLAlchemy

https://alembic.zzzcomputing.com/

Collapse Python packages into a single module

https://github.com/xonsh/amalgamate

Library for parsing ISO 8601 strings

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

Convert text with ansi color codes to HTML

https://ansi2html.readthedocs.io/ https://github.com/pycontribs/ansi2html

Radically simple IT automation

https://www.ansible.com/

Extensible embeddable ansible job runner

https://ansible-runner.readthedocs.io/

ANother Tool for Language Recognition (python3 runtime)

https://www.antlr.org/

Unicode to ASCII transliteration

https://github.com/anyascii/anyascii

High level compatibility layer for multiple asynchronous event loop implementations

https://github.com/agronholm/anyio

Powerful and Lightweight Python Tree Data Structure

https://github.com/c0fec0de/anytree/

Namespace control and lazy-import mechanism

https://bitbucket.org/hpk42/apipkg

Pluggable API specification generator

https://github.com/marshmallow-code/apispec

Web framework plugins for apispec

https://github.com/marshmallow-code/apispec-webframeworks

Python module for determining platform-specific dirs

https://github.com/ActiveState/appdirs

Another Python SQLite Wrapper

https://rogerbinns.github.io/apsw/ https://github.com/rogerbinns/apsw

Bash tab completion for argparse

https://pypi.org/project/argcomplete/

Secure Argon2 password hashing algorithm

https://argon2-cffi.readthedocs.io/

Low-level CFFI bindings for Argon2

https://github.com/hynek/argon2-cffi-bindings

Better dates and times for Python

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

ASGI specs, helper code, and adapters

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

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

https://github.com/wbond/asn1crypto