Simple packaging tool for simple packages

https://github.com/pypa/flit

Distribution-building parts of Flit

https://github.com/pypa/flit/tree/main/flit_core

API for detecting the original bouncing email addresses from a bounce message

https://fluflbounce.readthedocs.io

High-level API for Python internationalization

https://flufli18n.readthedocs.io

NFS-safe file locking with timeouts for POSIX systems

https://flufllock.readthedocs.io

Random assortment of WSGI servers

https://bitbucket.org/denisenkom/flup

Font version reporting and modification tool

https://github.com/source-foundry/font-v

Set of objects for performing math operations on font data

https://github.com/typesupply/fontMath

Font analysis tool for determining character/glyph support

https://github.com/googlefonts/pyfontaine

Well designed Font QA tool

https://github.com/googlefonts/fontbakery

Compile fonts from sources to binary

https://github.com/googlei18n/fontmake

Open source library for manipulating fonts, written in Python

https://github.com/fonttools/fonttools

Open source library for manipulating fonts, written in Python

https://github.com/fonttools/fonttools

Simple PDF generation for Python

https://code.google.com/p/pyfpdf/

Let your Python tests travel through time

https://github.com/spulec/freezegun

Python filesystem abstraction

http://pyfilesystem.org/

Python Filesystem abstraction layer, version 2.x

https://www.pyfilesystem.org/

Mail scanning daemon for Postfix written in Python

https://fuglu.org/

Python function signatures from PEP362

http://funcsigs.readthedocs.org/

Clean single-source support for Python 3 and 2

https://python-future.org/

Module designed to write games in Python

https://www.pygame.org/news

Python bindings to the GNU dbm library (Python 3.10)

Toolkit for generation of output for the web

https://genshi.edgewall.org/

Documentation generator for GObject-based libraries

https://gitlab.gnome.org/GNOME/gi-docgen

Git Object Database

https://pypi.org/project/gitdb2/

Python Git Library

https://github.com/gitpython-developers/GitPython

Bridge from Glyphs source files (.glyphs) to UFOs

https://github.com/googlei18n/glyphsLib

Python Extension that Wraps the GMP Library

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

GMP/MPIR, MPFR, and MPC interface to Python

https://pypi.org/project/gmpy2/

Common files for the Python bindings for GObject

Google API Client Library for Python

https://developers.google.com/api-client-library/python/

Google Authentication Library

https://github.com/googleapis/google-auth-library-python

Google Authentication Library: httplib2 transport

https://github.com/googleapis/google-auth-library-python-httplib2

Build and validate addresses in localized formats

https://pypi.org/project/google-i18n-address/

Free Google Translate API that translates totally free of charge

https://github.com/ssut/py-googletrans

GStreamer python bindings

https://gstreamer.freedesktop.org/

Library/CLI tool to interface with Google Translate text-to-speech API

https://github.com/pndurette/gTTS

WSGI HTTP Server for UNIX

https://gunicorn.org/

Build System That Generates Other Build Systems

https://gyp.gsrc.io/

Pure-Python, bring-your-own-I/O implementation of HTTP/1.1

https://pypi.org/project/h11/

HTTP/2 State-Machine based protocol implementation

http://hyper.rtfd.org/

Print binary in hex format

https://pypi.org/project/hexdump/

Classes and setuptools plugin for Mercurial repositories

https://github.com/jaraco/hgtools

Python extension that wraps hiredis

https://github.com/pietern/hiredis-py

HTTP/2 header encoding (HPACK) logic implementation

http://hyper.rtfd.org/

Chromium HSTS Preload list

https://github.com/sethmlarson/hstspreload

Python based HTML parser based on the HTML5 spec

https://github.com/html5lib

HTTP Request & Response Service

https://github.com/postmanlabs/httpbin

Minimal low-level HTTP client

https://github.com/encode/httpcore

Comprehensive HTTP client library

https://github.com/httplib2/httplib2