Helpful CLI utilities for querying and connecting to EC2 instances

https://github.com/FlipPath/ec2-cli-tools

ECDSA cryptographic signature library (pure python)

https://github.com/warner/python-ecdsa

Robust email address syntax and deliverability validation library

https://github.com/JoshData/python-email-validator

Python 3.4 Enum backported to 3.3, 3.2, 3.1, 2.7

https://pypi.org/project/enum34/

Bindings to the Linux input handling subsystem

https://pypi.org/project/evdev/

Distributed Python deployment and communication

http://codespeak.net/execnet/

Useful extra bits for Python

https://pypi.org/project/extras/

Scans log files and bans IP that makes too many password failures

https://www.fail2ban.org/wiki/index.php/Main_Page

Python package that provides useful locks

https://github.com/harlowja/fasteners

Platform independent file lock

https://github.com/benediktschmitt/py-filelock

File I/O related functions and classes

http://www.livinglogic.de/Python/fileutils/

Code checking using pep8 and pyflakes

https://pypi.org/project/flake8/

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

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/

Python function signatures from PEP362

http://funcsigs.readthedocs.org/

Clean single-source support for Python 3 and 2

https://python-future.org/

Backport of the concurrent.futures package from Python 3.2

https://github.com/agronholm/pythonfutures

GData Python Client Library

https://github.com/google/gdata-python-client

Python bindings to the GNU dbm library (Python 3.10)

Toolkit for generation of output for the web

https://genshi.edgewall.org/

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/

Python bindings for GObject

Common files for the Python bindings for GObject

Build and validate addresses in localized formats

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

Python bindings for gstreamer

http://gstreamer.freedesktop.org/

Set of Python bindings for GTK+

http://www.pygtk.org/

WSGI HTTP Server for UNIX

https://gunicorn.org/

Build System That Generates Other Build Systems

https://gyp.gsrc.io/

Classes and setuptools plugin for Mercurial repositories

https://github.com/jaraco/hgtools

Python extension that wraps hiredis

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

Python based HTML parser based on the HTML5 spec

https://github.com/html5lib

Comprehensive HTTP client library

https://github.com/httplib2/httplib2

Featureful, correct URL for Python

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

Library for property based testing

https://github.com/HypothesisWorks/hypothesis/tree/master/hypothesis-python

Internationalized Domain Names in Applications (IDNA)

https://github.com/kjd/idna

Patch ssl.match_hostname for Unicode(idna) domains support

https://pypi.org/project/idna_ssl/

Python image size library

https://github.com/shibukawa/imagesize_py

Library that versions your Python projects

https://pypi.org/project/incremental/

Editable interval tree data structure for Python 2 and 3

https://github.com/chaimleib/intervaltree

Python 3.3's ipaddress for Python 2.6 and 2.7

https://pypi.org/project/ipaddress/