Python 3 monotonic time module for Python 2

https://github.com/atdt/monotonic

More routines for operating on iterables, beyond itertools

https://github.com/more-itertools/more-itertools

Python MPD client library

https://pypi.org/project/python-mpd/

Python Library for Arbitrary-precision Floating-point Arithmetic

http://www.mpmath.org/

MessagePack (de)serializer for Python

https://msgpack.org/

Multidict implementation

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

Parser for multipart/form-data

https://github.com/defnull/multipart

Munkres implementation for Python

https://software.clapper.org/munkres/ https://github.com/bmc/munkres

Python-based audio metadata tag reader and writer

https://github.com/quodlibet/mutagen

Optional static typing for Python

http://www.mypy-lang.org/

Experimental type system extensions for programs

http://www.mypy-lang.org

Extended commonmark compliant parser with bridges to docutils & sphinx

https://github.com/executablebooks/MyST-Parser

Natural sorting for python

https://github.com/SethMMorton/natsort

Manipulation of IPv4, IPv6, CIDR, EUI and MAC network addresses

https://github.com/drkjam/netaddr/

Getting network addresses from Python 3

https://pypi.org/project/netifaces/

Python Bindings to the ammonia HTML sanitization library

https://github.com/messense/nh3

Python version of node-semver

https://github.com/podhmo/python-node-semver

Node.js virtual environment builder

https://ekalinin.github.io/nodeenv/

Discovery-based unittest extension

https://nose.readthedocs.io/

Next generations of nicer testing for Python

https://nose2.readthedocs.io

Create NTLM authentication structures

https://github.com/jborean93/ntlm-auth

Python NTP library

https://pypi.org/project/ntplib/

Library to convert numbers to words in multiple languages

https://github.com/savoirfairelinux/num2words

Fast numerical array expression evaluator for Python and NumPy

https://github.com/pydata/numexpr

The New Numeric Extension to Python

https://www.numpy.org/

Python library for OAuth version 1.0

https://github.com/joestump/python-oauth2

OAuth 2.0 client library

https://googleapis.github.io/oauth2client/

RFC-compliant implementation of the OAuth request-signing logic

https://github.com/idan/oauthlib

Draws Python object reference graphs with graphviz

https://mg.pov.lt/objgraph/ https://pypi.org/project/objgraph/ https://github.com/mgedmin/objgraph

Python module to read MS OLE2 files

http://www.decalage.info/en/olefile

OpenAPI schema validation for Python

https://github.com/python-openapi/openapi-schema-validator

Validator for OpenAPI 2.0 and 3.0.0 specification

https://github.com/python-openapi/openapi-spec-validator

Python interface to the OpenSSL library

https://github.com/pyca/pyopenssl

ASCII plist parser written in Cython

https://github.com/fonttools/openstep-plist

Python wrapper for the OpenType Sanitizer

https://github.com/googlefonts/ots-python

Data derived from the OpenType specification

https://github.com/simoncozens/opentypespec-py

Ordered multivalue dictionary

https://github.com/gruns/orderedmultidict

Fast, correct JSON library for Python

https://pypi.org/project/orjson/ https://github.com/ijl/orjson/

Capture the outcome of Python function calls

https://pypi.org/project/outcome/

Core utilities for Python packages

https://pypi.org/project/packaging/

Divides large result sets into pages for easier browsing

https://github.com/Pylons/paginate

MQTT version 3.1/3.1.1 client class

https://www.eclipse.org/paho/

Flexible, high-performance data analysis in Python

https://pandas.pydata.org/

Parameterized testing with any Python test framework

https://github.com/wolever/parameterized

Python SSH2 protocol library

https://www.paramiko.org/

HTTP and FTP parallel file downloader

https://github.com/Cadair/parfive

Opposite of format()

https://github.com/r1chardj0n3s/parse

Python module for parsing 'human readable' date/time expressions

https://github.com/bear/parsedatetime

Python Parser

https://github.com/davidhalter/parso

Comprehensive password hashing framework supporting over 30 schemes

https://bitbucket.org/ecollins/passlib