Conversion utility to convert Psion 5(MX) files into other formats

https://frodo.looijaard.name/project/psiconv

List processes as a tree

https://github.com/FredHucht/pstree

Utilities for manipulating PostScript documents

http://gershwin.ens.fr/vdaniel/Doc-Locale/Outils-Gnu-Linux/PsUtils/

GNU Portable Threads

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

GNU Portable Threads

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

Pthread-based thread pool for C/C++ for arrays parallelization

https://github.com/Maratyszcza/pthreadpool

Cross platform C++ library, used by OPAL

http://www.opalvoip.org

Public Suffix List by Mozilla

https://publicsuffix.org/

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

Mattermost plugin for libpurple

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

Pipe throughput monitor

https://www.ivarch.com/programs/pv.shtml

Free Blizzard Battle.net emulation software

http://pvpgn.berlios.de

The Video4Linux PWC webcam viewer

http://raaf.atspace.org/

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/

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/

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/

Database migration tool for SQLAlchemy (1.4.X branch)

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/

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/