Turns CSS blocks into style attributes

https://github.com/peterbe/premailer

ReportLab's templating system

http://preppy.readthedocs.org/en/latest/

Library for stubbing in Python

https://github.com/alex/pretend

Pure-Python implementation of the HTTP/2 priority tree

https://github.com/python-hyper/priority

Pure-Python implementation of the HTTP/2 priority tree

https://github.com/python-hyper/priority

Official Python client for Prometheus

https://github.com/prometheus/client_python

Library for building powerful interactive command lines in Python

https://python-prompt-toolkit.readthedocs.io/en/master/ https://github.com/prompt-toolkit/python-prompt-toolkit

Linter for prose

https://github.com/amperser/proselint

Google protobuf Python Client Library

https://github.com/protocolbuffers/protobuf

Python wrapper for Adobe PostScript autohinter

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

Process utilities module for Python

https://pypi.org/project/psutil/

PostgreSQL database adapter for Python

https://www.psycopg.org/psycopg3/ https://github.com/psycopg/psycopg

PostgreSQL database adapter for Python - C optimization distribution

https://www.psycopg.org/psycopg3/ https://github.com/psycopg/psycopg/tree/master/psycopg_c

Connection Pool for Psycopg

https://www.psycopg.org/psycopg3/ https://github.com/psycopg/psycopg/tree/master/psycopg_pool

High performance Python adapter for PostgreSQL

http://initd.org/psycopg/

Run a subprocess in a pseudo terminal

https://github.com/pexpect/ptyprocess

Get public suffix of domain name from Public Suffix List (Fork)

https://github.com/nexb/python-publicsuffix2

Safely evaluate AST nodes without side effects

https://github.com/alexmojaki/pure_eval

Library with cross-python path, ini-parsing, io, code, log facilities

https://pylib.org/

Pure Python PartiQL Parser

https://github.com/getmoto/py-partiql-parser

Universal Binary JSON encoder/decoder

https://github.com/Iotic-Labs/py-ubjson

Python 3 DNS library

https://pypi.org/project/py3dns/

Produce pretty and readable YAML-serialized data

https://github.com/mk-fg/pretty-yaml

ASN.1 toolkit for Python

http://snmplabs.com/pyasn1/

Collection of ASN.1 data structures for py-pyasn1

https://github.com/etingof/pyasn1-modules

Seamless interoperability between C++11 and Python

https://github.com/pybind/pybind11

BibTeX-compatible bibliography processor in Python

https://bitbucket.org/pybtex-devs/pybtex/

Docutils backend for pybtex

https://github.com/mcmtroffaes/pybtex-docutils

Python interface to c-ares

https://pypi.org/project/pycares/

Library for making charts with Python

https://bitbucket.org/lgs/pycha

GTK chess client written in Python

http://www.pychess.org/

Python ClamD interface module

https://xael.org/pages/pyclamd-en.html

Cython wrapper for the C++ translation of Clipper library

https://github.com/greginvm/pyclipper

Python package for code generation

https://github.com/bjodah/pycodeexport

Python style guide checker

https://pypi.org/project/pycodestyle/

Utilities for Bitcoin and altcoin addresses/transaction manipulation

https://github.com/richardkiss/pycoin

Package for compilation (meta programming)

https://github.com/bjodah/pycompilation

C parser in Python

https://github.com/eliben/pycparser

Python Cryptography Toolkit

https://pycrypto.org

Cryptographic library for Python

https://www.pycryptodome.org/en/latest/

Optional test vectors for PyCryptodome and PyCryptodomeX

https://www.pycryptodome.org/

Cryptographic library for Python

https://www.pycryptodome.org/

CUPS bindings for Python

https://github.com/zdohnal/pycups

Python interface to libcurl

http://pycurl.io/

Data validation and settings management using python 3.6 type hinting

https://github.com/samuelcolvin/pydantic

Python interface to the Graphviz Dot language

https://github.com/pydot/pydot

Passive checker of Python programs

https://github.com/PyCQA/pyflakes

Python FTP server library

https://github.com/giampaolo/pyftpdlib

Syntax highlighter written in Python

https://pygments.org/

Syntax highlighter written in Python

https://pygments.org/