JWT token authentication for Flask apps

https://github.com/mattupstate/flask-jwt

Simple framework for creating REST APIs with Flask

https://flask-restful.readthedocs.io/

FlatBuffers serialization format for Python

https://google.github.io/flatbuffers/

Swagger schema validation

https://github.com/pipermerriam/flex

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

PEP 518 build backend that uses setuptools_scm to generate a version file

https://gitlab.com/WillDaSilva/flit_scm

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

Python library for manipulating OpenType font features

https://github.com/simoncozens/fontFeatures

Compile fonts from sources to binary

https://github.com/googlei18n/fontmake

API for interacting with the parts of fonts during the font development process

https://github.com/robotools/fontParts

Collection of classes implementing the pen protocol for manipulating glyphs

https://github.com/robotools/fontPens

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

HTML form validation, generation, and conversion package

https://www.formencode.org/

Simple PDF generation for Python

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

Freetype python bindings

https://github.com/rougier/freetype-py

Let your Python tests travel through time

https://github.com/spulec/freezegun

List-like structure which implements collections.abc.MutableSequence

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

Python filesystem abstraction

http://pyfilesystem.org/

Python Filesystem abstraction layer, version 2.x

https://www.pyfilesystem.org/

File-system specification

https://filesystem-spec.readthedocs.io/en/latest/ https://github.com/fsspec/filesystem_spec

XRootD implementation for fsspec

https://coffeateam.github.io/fsspec-xrootd/ https://github.com/CoffeaTeam/fsspec-xrootd

Mail scanning daemon for Postfix written in Python

https://fuglu.org/

Python function signatures from PEP362

http://funcsigs.readthedocs.org/

Clean customizable Sphinx documentation theme

https://github.com/pradyunsg/furo

Simple ctypes bindings for FUSE

https://github.com/fusepy/fusepy

Clean single-source support for Python 3 and 2

https://python-future.org/

HPE firmware pack utility

https://github.com/HewlettPackard/fwget

Module designed to write games in Python

https://www.pygame.org/news

AST that abstracts the underlying Python version

https://github.com/serge-sans-paille/gast

Python binding for GDAL

https://gdal.org/ https://github.com/OSGeo/gdal

Python bindings to the GNU dbm library (Python 3.10)

Toolkit for generation of output for the web

https://genshi.edgewall.org/

Allows you to run a test with multiple data sets

https://github.com/box/genty

Python's Encoder/decoder for simple GIS features

https://pypi.org/project/geojson/

Python co-routine networking library based on greenlet

https://www.gevent.org/ https://python-gevent.readthedocs.io/ https://github.com/gevent/gevent

Python API for evaluating language support in the Google Fonts collection

https://github.com/googlefonts/lang

Codepoint definitions for the Google Fonts subsetter

https://github.com/googlefonts/nam-files

Copy your docs directly to the gh-pages branch

https://github.com/c-w/ghp-import

Documentation generator for GObject-based libraries

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

Git Object Database

https://gitdb.readthedocs.io/en/latest/ https://github.com/gitpython-developers/gitdb

Git Object Database

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