<li><ahref="https://github.com/mbi/django-simple-captcha">django-simple-captcha</a> - A simple and highly customizable Django app to add captcha images to any Django form.</li>
<li><ahref="https://github.com/moqada/django-simple-spam-blocker">django-simple-spam-blocker</a> - Simple spam blocker for Django.</li>
<li><ahref="https://github.com/django-compressor/django-compressor">django-compressor</a> - Compresses linked and inline JavaScript or CSS into a single cached file.</li>
<li><ahref="https://github.com/jazzband/django-pipeline">django-pipeline</a> - An asset packaging library for Django.</li>
<li><ahref="https://github.com/jschneier/django-storages">django-storages</a> - A collection of custom storage back ends for Django.</li>
<li><ahref="http://www.fanstatic.org/en/latest/">fanstatic</a> - Packages, optimizes, and serves static file dependencies as Python packages.</li>
<li><ahref="https://github.com/miracle2k/flask-assets">flask-assets</a> - Helps you integrate webassets into your Flask app.</li>
<li><ahref="https://github.com/jaysonsantos/jinja-assets-compressor">jinja-assets-compressor</a> - A Jinja extension to compile and compress your assets.</li>
<li><ahref="https://github.com/miracle2k/webassets">webassets</a> - Bundles, optimizes, and manages unique cache-busting URLs for static resources.</li>
<li><ahref="https://github.com/globocom/m3u8">m3u8</a> - A module for parsing m3u8 file.</li>
<li><ahref="http://bspaans.github.io/python-mingus/">mingus</a> - An advanced music theory and notation package with MIDI file and playback support.</li>
<li><ahref="https://github.com/jiaaro/pydub">pydub</a> - Manipulate audio with a simple and easy high level interface.</li>
<li><ahref="https://github.com/echonest/pyechonest">pyechonest</a> - Python client for the <ahref="http://developer.echonest.com/">Echo Nest</a> API.</li>
<li><ahref="http://scikits.appspot.com/talkbox">talkbox</a> - A Python library for speech/signal processing.</li>
<li><ahref="https://github.com/Parisson/TimeSide">TimeSide</a> - Open web audio processing framework.</li>
<li><ahref="https://github.com/devsnd/tinytag">tinytag</a> - A library for reading music meta data of MP3, OGG, FLAC and Wave files.</li>
<li><ahref="https://github.com/lepture/flask-oauthlib">Flask-OAuthlib</a> - OAuth 1.0/a, 2.0 implementation of client and provider for Flask.</li>
<li><ahref="https://github.com/idan/oauthlib">OAuthLib</a> - A generic and thorough implementation of the OAuth request-signing logic.</li>
<li><ahref="https://github.com/joestump/python-oauth2">python-oauth2</a> - A fully tested, abstract interface to creating OAuth clients and servers.</li>
<li><ahref="https://github.com/omab/python-social-auth">python-social-auth</a> - An easy-to-setup social authentication mechanism.</li>
<li><ahref="https://github.com/litl/rauth">rauth</a> - A Python library for OAuth 1.0/a, 2.0, and Ofly.</li>
<li><ahref="https://github.com/demianbrecht/sanction">sanction</a> - A dead simple OAuth2 client implementation.</li>
</ul>
</li>
<li>Others<ul>
<li><ahref="https://github.com/demonware/jose">jose</a> - JavaScript Object Signing and Encryption draft implementation.</li>
<li><ahref="https://github.com/jpadilla/pyjwt">PyJWT</a> - Implementation of the JSON Web Token draft 01.</li>
<li><ahref="https://github.com/brianloveswords/python-jws">python-jws</a> - Implementation of JSON Web Signatures draft 02.</li>
<li><ahref="https://github.com/davedoesdev/python-jwt">python-jwt</a> - Module for generating and verifying JSON Web Tokens.</li>
<li><ahref="http://www.yoctoproject.org/docs/1.6/bitbake-user-manual/bitbake-user-manual.html">BitBake</a> - A make-like build tool for embedded Linux.</li>
<li><ahref="http://www.buildout.org/en/latest/">buildout</a> - A build system for creating, assembling and deploying applications from multiple parts.</li>
<li><ahref="http://djedi-cms.org/">djedi-cms</a> - A lightweight but yet powerful Django CMS with plugins, inline editing and performance in mind.</li>
<li><ahref="http://www.feincms.org/">FeinCMS</a> - One of the most advanced Content Management Systems built on Django.</li>
<li><ahref="http://kotti.pylonsproject.org/">Kotti</a> - A high-level, Pythonic web application framework built on Pyramid.</li>
<li><ahref="http://mezzanine.jupo.org/">Mezzanine</a> - A powerful, consistent, and flexible content management platform.</li>
<li><ahref="http://opps.github.io/opps/">Opps</a> - A Django-based CMS for magazines, newspapers websites and portals with high-traffic.</li>
<li><ahref="https://plone.org/">Plone</a> - A CMS built on top of the open source application server Zope.</li>
<li><ahref="http://quokkaproject.org/">Quokka</a> - Flexible, extensible, small CMS powered by Flask and MongoDB.</li>
<li><ahref="https://wagtail.io/">Wagtail</a> - A Django content management system.</li>
<li><ahref="https://wid.gy/">Widgy</a> - Last CMS framework, based on Django.</li>
<li><ahref="https://github.com/bbangert/beaker">Beaker</a> - A library for caching and sessions for use with web applications and stand-alone Python scripts and applications.</li>
<li><ahref="http://www.grantjenks.com/docs/diskcache/">DiskCache</a> - SQLite and file backed cache backend with faster lookups than memcached and redis.</li>
<li><ahref="https://github.com/django-cache-machine/django-cache-machine">django-cache-machine</a> - Automatic caching and invalidation for Django models.</li>
<li><ahref="https://github.com/Suor/django-cacheops">django-cacheops</a> - A slick ORM cache with automatic granular event-driven invalidation.</li>
<li><ahref="https://github.com/5monkeys/django-viewlet">django-viewlet</a> - Render template parts with extended cache control.</li>
<li><ahref="http://dogpilecache.readthedocs.io/en/latest/">dogpile.cache</a> - dogpile.cache is next generation replacement for Beaker made by same authors.</li>
<li><ahref="https://pypi.python.org/pypi/HermesCache">HermesCache</a> - Python caching library with tag-based invalidation and dogpile effect prevention.</li>
<li><ahref="https://github.com/jmoiron/johnny-cache">johnny-cache</a> - A caching framework for django applications.</li>
<li><ahref="https://github.com/lericson/pylibmc">pylibmc</a> - A Python wrapper around the <ahref="http://libmemcached.org/libMemcached.html">libmemcached</a> interface.</li>
<li><ahref="https://github.com/peterbrittain/asciimatics">asciimatics</a> - Cross-platform, full-screen terminal package (i.e. mouse/keyboard input and coloured, positioned text output) complete with high-level API for complex animations and special effects.</li>
<li><ahref="http://builtoncement.com/">cement</a> - CLI Application Framework for Python.</li>
<li><ahref="http://click.pocoo.org/dev/">click</a> - A package for creating beautiful command line interfaces in a composable way.</li>
<li><ahref="https://github.com/google/python-fire">Python-Fire</a> - A library for creating command line interfaces (CLIs) from absolutely any Python object.</li>
<li><ahref="https://github.com/jonathanslenders/python-prompt-toolkit">python-prompt-toolkit</a> - A Library for building powerful interactive command lines.</li>
<li><ahref="https://github.com/aws/aws-cli">aws-cli</a> - A universal command-line interface for Amazon Web Services.</li>
<li><ahref="https://github.com/glamp/bashplotlib">bashplotlib</a> - Making basic plots in the terminal.</li>
<li><ahref="https://github.com/brettcannon/caniusepython3">caniusepython3</a> - Determine what projects are blocking you from porting to Python 3.</li>
<li><ahref="https://github.com/audreyr/cookiecutter">cookiecutter</a> - A command-line utility that creates projects from cookiecutters (project templates).</li>
<li><ahref="https://github.com/sloria/doitlive">doitlive</a> - A tool for live presentations in the terminal.</li>
<li><ahref="https://github.com/gleitz/howdoi">howdoi</a> - Instant coding answers via the command line.</li>
<li><ahref="https://github.com/madmaze/pytesseract">pytesseract</a> - Another wrapper for <ahref="https://github.com/tesseract-ocr">Google Tesseract OCR</a>.</li>
<li><ahref="http://simplecv.org/">SimpleCV</a> - An open source framework for building computer vision applications.</li>
</ul>
<h2id="concurrency-and-parallelism">Concurrency and Parallelism</h2>
<p><em>Libraries for concurrent and parallel execution.</em></p>
<ul>
<li><ahref="http://eventlet.net/">eventlet</a> - Asynchronous framework with WSGI support.</li>
<li><ahref="http://www.gevent.org/">gevent</a> - A coroutine-based Python networking library that uses <ahref="https://github.com/python-greenlet/greenlet">greenlet</a>.</li>
<li><ahref="https://docs.python.org/2/library/multiprocessing.html">multiprocessing</a> - (Python standard library) Process-based "threading" interface.</li>
<li><ahref="https://docs.python.org/2/library/threading.html">threading</a> - (Python standard library) Higher-level threading interface.</li>
<li><ahref="https://github.com/madisonmay/Tomorrow">Tomorrow</a> - Magic decorator syntax for asynchronous code.</li>
<li><ahref="https://github.com/MagicStack/uvloop">uvloop</a> - Ultra fast implementation of asyncio event loop on top of libuv.</li>
</ul>
<h2id="configuration">Configuration</h2>
<p><em>Libraries for storing and parsing configuration options.</em></p>
<ul>
<li><ahref="https://www.red-dove.com/config-doc/">config</a> - Hierarchical config from the author of <ahref="https://docs.python.org/2/library/logging.html">logging</a>.</li>
<li><ahref="http://www.voidspace.org.uk/python/configobj.html">ConfigObj</a> - INI file parser with validation.</li>
<li><ahref="https://docs.python.org/2/library/configparser.html">ConfigParser</a> - (Python standard library) INI file parser.</li>
<li><ahref="http://profig.readthedocs.org/en/default/">profig</a> - Config from multiple formats with value conversion.</li>
<li><ahref="https://github.com/henriquebastos/python-decouple">python-decouple</a> - Strict separation of settings from code.</li>
</ul>
<h2id="cryptography">Cryptography</h2>
<ul>
<li><ahref="https://cryptography.io/en/latest/">cryptography</a> - A package designed to expose cryptographic primitives and recipes to Python developers.</li>
<li><ahref="https://github.com/davidaurelio/hashids-python">hashids</a> - Implementation of <ahref="http://hashids.org">hashids</a> in Python.</li>
<li><ahref="http://www.paramiko.org/">Paramiko</a> - A Python (2.6+, 3.3+) implementation of the SSHv2 protocol, providing both client and server functionality.</li>
<li><ahref="https://pythonhosted.org/passlib/">Passlib</a> - Secure password storage/hashing library, very high level.</li>
<li><ahref="https://github.com/pyca/pynacl">PyNacl</a> - Python binding to the Networking and Cryptography (NaCl) library.</li>
</ul>
<h2id="data-analysis">Data Analysis</h2>
<p><em>Libraries for data analyzing.</em></p>
<ul>
<li><ahref="https://github.com/blaze/blaze">Blaze</a> - NumPy and Pandas interface to Big Data.</li>
<li><ahref="https://github.com/mining/mining">Open Mining</a> - Business Intelligence (BI) in Pandas interface.</li>
<li><ahref="https://orange.biolab.si/">Orange</a> - Data mining, data visualization, analysis and machine learning through visual programming or scripts.</li>
<li><ahref="https://github.com/pyeve/cerberus">Cerberus</a> - A lightweight and extensible data validation library.</li>
<li><ahref="https://docs.pylonsproject.org/projects/colander/en/latest/">colander</a> - Validating and deserializing data obtained via XML, JSON, an HTML form post.</li>
<li><ahref="https://github.com/Julian/jsonschema">jsonschema</a> - An implementation of <ahref="http://json-schema.org/">JSON Schema</a> for Python.</li>
<li><ahref="https://github.com/keleshev/schema">schema</a> - A library for validating Python data structures.</li>
<li><ahref="https://github.com/schematics/schematics">Schematics</a> - Data Structure Validation.</li>
<li><ahref="https://github.com/podio/valideer">valideer</a> - Lightweight extensible data validation and adaptation library.</li>
<li><ahref="https://github.com/alecthomas/voluptuous">voluptuous</a> - A Python data validation library.</li>
<p><em>Libraries for working with dates and times.</em></p>
<ul>
<li><ahref="https://github.com/crsmithdev/arrow">arrow</a> - Better dates & times for Python.</li>
<li><ahref="https://github.com/KoffeinFlummi/Chronyk">Chronyk</a> - A Python 3 library for parsing human-written times and dates.</li>
<li><ahref="https://github.com/dateutil/dateutil">dateutil</a> - Extensions to the standard Python <ahref="https://docs.python.org/2/library/datetime.html">datetime</a> module.</li>
<li><ahref="https://github.com/myusuf3/delorean/">delorean</a> - A library for clearing up the inconvenient truths that arise dealing with datetimes.</li>
<li><ahref="https://github.com/zachwill/moment">moment</a> - A Python library for dealing with dates/times. Inspired by <ahref="http://momentjs.com/">Moment.js</a>.</li>
<li><ahref="https://github.com/sdispater/pendulum">Pendulum</a> - Python datetimes made easy.</li>
<li><ahref="https://github.com/shinux/PyTime">PyTime</a> - A easy-use Python module which aims to operate date/time/datetime by string.</li>
<li><ahref="https://launchpad.net/pytz">pytz</a> - World timezone definitions, modern and historical. Brings the <ahref="https://en.wikipedia.org/wiki/Tz_database">tz database</a> into Python.</li>
<li><ahref="https://github.com/dirn/When.py">when.py</a> - Providing user-friendly functions to help perform common date and time actions.</li>
<li><ahref="https://github.com/dcramer/django-devserver">django-devserver</a> - A drop-in replacement for Django's runserver.</li>
<li><ahref="https://github.com/mgood/flask-debugtoolbar">flask-debugtoolbar</a> - A port of the django-debug-toolbar to flask.</li>
<li><ahref="https://github.com/ionelmc/python-hunter">hunter</a> - Hunter is a flexible code tracing toolkit.</li>
<li><ahref="https://github.com/khamidou/lptrace">lptrace</a> - <ahref="http://man7.org/linux/man-pages/man1/strace.1.html">strace</a> for Python programs.</li>
<li><ahref="https://github.com/ionelmc/python-manhole">manhole</a> - Debug service that will accept unix domain socket connections and present the stacktraces for all threads and an interactive prompt.</li>
<p><em>Frameworks for Neural Networks and Deep Learning. See: <ahref="https://github.com/ChristosChristofidis/awesome-deep-learning">awesome-deep-learning</a>.</em></p>
<li><ahref="https://github.com/BVLC/caffe">Caffe</a> - A fast open framework for deep learning..</li>
<li><ahref="https://github.com/fchollet/keras">Keras</a> - A high-level neural networks library and capable of running on top of either TensorFlow or Theano.</li>
<li><ahref="http://cloudinit.readthedocs.io/en/latest/">Cloud-Init</a> - A multi-distribution package that handles early initialization of a cloud instance.</li>
<li><ahref="https://github.com/sebastien/cuisine">cuisine</a> - Chef-like functionality for Fabric.</li>
<li><ahref="https://docs.docker.com/compose/">Docker Compose</a> - Fast, isolated development environments using <ahref="https://www.docker.com/">Docker</a>.</li>
<li><ahref="http://www.fabfile.org/">Fabric</a> - A simple, Pythonic tool for remote execution and deployment.</li>
<li><ahref="https://github.com/nickstenning/honcho">honcho</a> - A Python clone of <ahref="https://github.com/ddollar/foreman">Foreman</a>, for managing Procfile-based applications.</li>
<li><ahref="https://github.com/lxneng/alipay">alipay</a> - Unofficial Alipay API for Python.</li>
<li><ahref="https://github.com/stephenmcd/cartridge">Cartridge</a> - A shopping cart app built using the Mezzanine.</li>
<li><ahref="http://oscarcommerce.com/">django-oscar</a> - An open-source e-commerce framework for Django.</li>
<li><ahref="https://github.com/awesto/django-shop">django-shop</a> - A Django based shop system.</li>
<li><ahref="https://github.com/agiliq/merchant">merchant</a> - A Django app to accept payments from various payment processors.</li>
<li><ahref="https://github.com/carlospalol/money">money</a> - Money class with optional CLDR-backed locale-aware formatting and an extensible currency exchange solution.</li>
<li><ahref="https://github.com/Alir3z4/python-currencies">python-currencies</a> - Display money format and its filthy currencies.</li>
<li><ahref="https://github.com/Valloric/YouCompleteMe">YouCompleteMe</a> - Includes <ahref="https://github.com/davidhalter/jedi">Jedi</a>-based completion engine for Python.</li>
</ul>
</li>
<li>Visual Studio<ul>
<li><ahref="https://github.com/Microsoft/PTVS">PTVS</a> - Python Tools for Visual Studio.</li>
</ul>
</li>
<li>Visual Studio Code<ul>
<li><ahref="https://github.com/DonJayamanne/pythonVSCode">Python</a> - An extension with rich support for the Python language, with features including linting, IntelliSense, formatting, refactoring, debugging, unit tests, and jupyter support.</li>
<li><ahref="https://github.com/MagicStack/MagicPython">Magic Python</a> - Cutting edge Python syntax highlighter for Sublime Text, Atom, and Visual Studio Code. Used by GitHub to highlight your Python code!</li>
<li><ahref="https://docs.python.org/3/library/venv.html">venv</a> - (Python standard library in Python 3.3+) Creating lightweight virtual environments.</li>
<li><ahref="https://pypi.python.org/pypi/virtualenv">virtualenv</a> - A tool to create isolated Python environments.</li>
<li><ahref="https://pypi.python.org/pypi/virtualenvwrapper">virtualenvwrapper</a> - A set of extensions to virtualenv.</li>
</ul>
<h2id="files">Files</h2>
<p><em>Libraries for file manipulation and MIME type detection.</em></p>
<ul>
<li><ahref="https://docs.python.org/2/library/imghdr.html">imghdr</a> - (Python standard library) Determine the type of an image.</li>
<li><ahref="https://docs.python.org/2/library/mimetypes.html">mimetypes</a> - (Python standard library) Map filenames to MIME types.</li>
<li><ahref="https://github.com/jaraco/path.py">path.py</a> - A module wrapper for <ahref="https://docs.python.org/2/library/os.path.html">os.path</a>.</li>
<li><ahref="https://pathlib.readthedocs.org/en/pep428/">pathlib</a> - (Python standard library in Python 3.4+) An cross-platform, object-oriented path library.</li>
<li><ahref="https://github.com/ahupp/python-magic">python-magic</a> - A Python interface to the libmagic file type identification library.</li>
<li><ahref="https://github.com/mikeorr/Unipath">Unipath</a> - An object-oriented approach to file/directory operations.</li>
<li><ahref="https://github.com/gorakhargosh/watchdog">watchdog</a> - API and shell utilities to monitor file system events.</li>
</ul>
<h2id="foreign-function-interface">Foreign Function Interface</h2>
<p><em>Libraries for providing foreign function interface.</em></p>
<ul>
<li><ahref="https://pypi.python.org/pypi/cffi">cffi</a> - Foreign Function Interface for Python calling C code.</li>
<li><ahref="https://docs.python.org/2/library/ctypes.html">ctypes</a> - (Python standard library) Foreign Function Interface for Python calling C code.</li>
<li><ahref="https://mathema.tician.de/software/pycuda/">PyCUDA</a> - A Python wrapper for Nvidia's CUDA API.</li>
<li><ahref="http://www.swig.org/Doc1.3/Python.html">SWIG</a> - Simplified Wrapper and Interface Generator.</li>
</ul>
<h2id="forms">Forms</h2>
<p><em>Libraries for working with forms.</em></p>
<ul>
<li><ahref="https://github.com/Pylons/deform">Deform</a> - Python HTML form generation library influenced by the formish form generation library.</li>
<li><ahref="https://github.com/dyve/django-bootstrap3">django-bootstrap3</a> - Bootstrap 3 integration with Django.</li>
<li><ahref="https://github.com/django-crispy-forms/django-crispy-forms">django-crispy-forms</a> - A Django app which lets you create beautiful forms in a very elegant and DRY way.</li>
<p><em>Functional Programming with Python.</em></p>
<ul>
<li><ahref="https://github.com/pytoolz/cytoolz/">CyToolz</a> - Cython implementation of Toolz: High performance functional utilities.</li>
<li><ahref="https://github.com/kachayev/fn.py">fn.py</a> - Functional programming in Python: implementation of missing features to enjoy FP.</li>
<li><ahref="https://github.com/Suor/funcy">funcy</a> - A fancy and practical functional tools.</li>
<li><ahref="https://github.com/pytoolz/toolz">Toolz</a> - A collection of functional utilities for iterators, functions, and dictionaries.</li>
</ul>
<h2id="gui">GUI</h2>
<p><em>Libraries for working with graphical user interface applications.</em></p>
<ul>
<li><ahref="https://docs.python.org/2/library/curses.html#module-curses">curses</a> - Built-in wrapper for <ahref="http://www.gnu.org/software/ncurses/">ncurses</a> used to create terminal GUI applications.</li>
<li><ahref="https://github.com/nucleic/enaml">enaml</a> - Creating beautiful user-interfaces with Declaratic Syntax like QML.</li>
<li><ahref="https://github.com/zoofIO/flexx">Flexx</a> - Flexx is a pure Python toolkit for creating GUI's, that uses web technology for its rendering.</li>
<li><ahref="https://kivy.org/">kivy</a> - A library for creating NUI applications, running on Windows, Linux, Mac OS X, Android and iOS.</li>
<li><ahref="https://bitbucket.org/pyglet/pyglet/wiki/Home">pyglet</a> - A cross-platform windowing and multimedia library for Python.</li>
<li><ahref="https://wiki.gnome.org/Projects/PyGObject">PyGObject</a> - Python Bindings for GLib/GObject/GIO/GTK+ (GTK+3)</li>
<li><ahref="https://riverbankcomputing.com/software/pyqt/intro">PyQt</a> - Python bindings for the <ahref="https://www.qt.io/">Qt</a> cross-platform application and UI framework, with support for both Qt v4 and Qt v5 frameworks.</li>
<li><ahref="https://wiki.qt.io/PySide">PySide</a> - Python bindings for the <ahref="http://www.qt.io/">Qt</a> cross-platform application and UI framework, supporting the Qt v4 framework.</li>
<li><ahref="https://github.com/r0x0r/pywebview/">pywebview</a> - A lightweight cross-platform native wrapper around a webview component that allows to display HTML content in its own native dedicated window</li>
<li><ahref="https://wiki.python.org/moin/TkInter">Tkinter</a> - Tkinter is Python's de-facto standard GUI package.</li>
<li><ahref="https://github.com/pybee/toga">Toga</a> - A Python native, OS native GUI toolkit.</li>
<li><ahref="http://urwid.org/">urwid</a> - A library for creating terminal GUI applications with strong support for widgets, events, rich colors, etc.</li>
<p><em>Awesome game development libraries.</em></p>
<ul>
<li><ahref="http://cocos2d.org/">Cocos2d</a> - cocos2d is a framework for building 2D games, demos, and other graphical/interactive applications. It is based on pyglet.</li>
<li><ahref="https://www.panda3d.org/">Panda3D</a> - 3D game engine developed by Disney and maintained by Carnegie Mellon's Entertainment Technology Center. Written in C++, completely wrapped in Python.</li>
<li><ahref="http://www.pygame.org/news.html">Pygame</a> - Pygame is a set of Python modules designed for writing games.</li>
<li><ahref="http://www.ogre3d.org/tikiwiki/PyOgre">PyOgre</a> - Python bindings for the Ogre 3D render engine, can be used for games, simulations, anything 3D.</li>
<li><ahref="http://pyopengl.sourceforge.net/">PyOpenGL</a> - Python ctypes bindings for OpenGL and it's related APIs.</li>
<li><ahref="https://www.renpy.org/">RenPy</a> - A Visual Novel engine.</li>
</ul>
<h2id="geolocation">Geolocation</h2>
<p><em>Libraries for geocoding addresses and working with latitudes and longitudes.</em></p>
<ul>
<li><ahref="https://github.com/SmileyChris/django-countries">django-countries</a> - A Django app that provides country choices for use with forms, flag icons static files, and a country field for models.</li>
<li><ahref="https://docs.djangoproject.com/en/dev/ref/contrib/gis/">GeoDjango</a> - A world-class geographic web framework.</li>
<li><ahref="https://github.com/maxmind/geoip-api-python">GeoIP</a> - Python API for MaxMind GeoIP Legacy Database.</li>
<li><ahref="https://github.com/frewsxcv/python-geojson">geojson</a> - Python bindings and utilities for GeoJSON.</li>
<li><ahref="https://github.com/appliedsec/pygeoip">pygeoip</a> - Pure Python GeoIP API.</li>
</ul>
<h2id="html-manipulation">HTML Manipulation</h2>
<p><em>Libraries for working with HTML and XML.</em></p>
<ul>
<li><ahref="https://www.crummy.com/software/BeautifulSoup/bs4/doc/">BeautifulSoup</a> - Providing Pythonic idioms for iterating, searching, and modifying HTML or XML.</li>
<li><ahref="https://github.com/mozilla/bleach">bleach</a> - A whitelist-based HTML sanitization and text linkification library.</li>
<li><ahref="https://pypi.python.org/pypi/cssutils/">cssutils</a> - A CSS library for Python.</li>
<li><ahref="https://github.com/html5lib/html5lib-python">html5lib</a> - A standards-compliant library for parsing and serializing HTML documents and fragments.</li>
<li><ahref="http://lxml.de/">lxml</a> - A very fast, easy-to-use and versatile library for handling HTML and XML.</li>
<li><ahref="https://github.com/pallets/markupsafe">MarkupSafe</a> - Implements a XML/HTML/XHTML Markup safe string for Python.</li>
<li><ahref="https://github.com/gawel/pyquery">pyquery</a> - A jQuery-like library for parsing HTML.</li>
<li><ahref="https://github.com/stchris/untangle">untangle</a> - Converts XML documents to Python objects for easy access.</li>
<li><ahref="http://weasyprint.org">WeasyPrint</a> - A visual rendering engine for HTML and CSS that can export to PDF.</li>
<li><ahref="http://docs.python-requests.org/en/latest/">requests</a> - HTTP Requests for Humans™.</li>
<li><ahref="https://github.com/twisted/treq">treq</a> - Python requests like API built on top of Twisted's HTTP client.</li>
<li><ahref="https://github.com/shazow/urllib3">urllib3</a> - A HTTP library with thread-safe connection pooling, file post support, sanity friendly.</li>
<li><ahref="https://github.com/daboth/pagan">pagan</a> - Retro identicon (Avatar) generation based on input string and hash.</li>
<li><ahref="https://github.com/python-pillow/Pillow">pillow</a> - Pillow is the friendly <ahref="http://www.pythonware.com/products/pil/">PIL</a> fork.</li>
<li><ahref="https://github.com/thumbor/thumbor">thumbor</a> - A smart imaging service. It enables on-demand crop, re-sizing and flipping of images.</li>
<li><ahref="https://github.com/dahlia/wand">wand</a> - Python bindings for <ahref="http://www.imagemagick.org/script/magick-wand.php">MagickWand</a>, C API for ImageMagick.</li>
<li><ahref="https://github.com/python/cpython">CPython</a> - <strong>Default, most widely used implementation of the Python programming language written in C.</strong></li>
<li><ahref="http://cython.org/">Cython</a> - Optimizing Static Compiler for Python. Uses type mixins to compile Python into C or C++ modules resulting in large performance gains</li>
<li><ahref="http://grump.io">Grumpy</a> - More compiler than interpreter as more powerful CPython2.7 replacement (alpha).</li>
<li><ahref="https://github.com/IronLanguages/ironpython3">IronPython</a> - Implementation of the Python programming language written in C# targeting the .NET Framework and Mono.</li>
<li><ahref="https://hg.python.org/jython">Jython</a> - Implementation of Python programming language written in Java for the Java virtual machine (JVM).</li>
<li><ahref="https://github.com/micropython/micropython">MicroPython</a> - MicroPython - a lean and efficient Python programming language implementation for microcontrollers and constrained systems</li>
<li><ahref="http://numba.pydata.org/">Numba</a> - Python JIT complier to LLVM aimed at scientific Python.</li>
<li><ahref="https://github.com/Maratyszcza/PeachPy">PeachPy</a> - x86-64 assembler embedded in Python. Can be used as inline assembler for Python or as a stand-alone assembler for Windows, Linux, OS X, Native Client and Go.</li>
<li><ahref="https://github.com/Microsoft/Pyjion">Pyjion</a> - A JIT for Python based upon CoreCLR.</li>
<li><ahref="https://bitbucket.org/pypy/pypy">PyPy</a> - Implementation of the Python programming language written in RPython and translated into C. PyPy focuses on speed, efficiency and compatibility with the original CPython interpreter. The interpreter uses black magic to make Python very fast without having to add in additional type information.</li>
<li><ahref="https://github.com/ebranca/owasp-pysec">PySec</a> - Hardened version of python that makes it easier for security professionals and developers to write applications more resilient to attacks and manipulations.</li>
<li><ahref="https://github.com/dropbox/pyston">Pyston</a> - A Python implementation built using LLVM and modern JIT techniques with the goal of achieving good performance.</li>
<li><ahref="https://bitbucket.org/stackless-dev/stackless/wiki/Home">Stackless Python</a> - An enhanced version of the Python programming language which allows programmers to reap the benefits of thread-based programming without the performance and complexity problems associated with conventional threads.</li>
<li><ahref="https://github.com/bpython/bpython">bpython</a> - A fancy interface to the Python interpreter.</li>
<li><ahref="https://jupyter.org">Jupyter Notebook (IPython)</a> - A rich toolkit to help you make the most out of using Python interactively.</li>
<li><ahref="https://github.com/jonathanslenders/ptpython">ptpython</a> - Advanced Python REPL built on top of the <ahref="https://github.com/jonathanslenders/python-prompt-toolkit">python-prompt-toolkit</a>.</li>
<li><ahref="http://babel.pocoo.org/en/latest/">Babel</a> - An internationalization library for Python.</li>
<li><ahref="https://github.com/ovalhub/pyicu">PyICU</a> - A wrapper of International Components for Unicode C++ library (<ahref="http://site.icu-project.org/">ICU</a>).</li>
<li><ahref="http://apscheduler.readthedocs.io/en/latest/">APScheduler</a> - A light but powerful in-process task scheduler that lets you schedule functions.</li>
<li><ahref="https://docs.openstack.org/developer/taskflow/">TaskFlow</a> - A Python library that helps to make task execution easy, consistent and reliable.</li>
<li><ahref="https://github.com/josephreisinger/vowpal_porpoise">vowpal_porpoise</a> - A lightweight Python wrapper for <ahref="https://github.com/JohnLangford/vowpal_wabbit/">Vowpal Wabbit</a>.</li>
<li><ahref="https://github.com/spotify/luigi">luigi</a> - A module that helps you build complex pipelines of batch jobs.</li>
<li><ahref="https://github.com/Yelp/mrjob">mrjob</a> - Run MapReduce jobs on Hadoop or Amazon Web Services.</li>
<li><ahref="https://github.com/Parsely/streamparse">streamparse</a> - Run Python code against real-time streams of data. Integrates with <ahref="http://storm.apache.org/">Apache Storm</a>.</li>
<li><ahref="https://github.com/python-attrs/attrs">attrs</a> - Replacement for <code>__init__</code>, <code>__eq__</code>, <code>__repr__</code>, etc. boilerplate in class definitions.</li>
<p><em>Tools and libraries for Virtual Networking and SDN (Software Defined Networking).</em></p>
<ul>
<li><ahref="http://mininet.org/">Mininet</a> - A popular network emulator and API written in Python.</li>
<li><ahref="https://github.com/noxrepo/pox">POX</a> - An open source development platform for Python-based Software Defined Networking (SDN) control applications, such as OpenFlow SDN controllers.</li>
<li><ahref="http://frenetic-lang.org/pyretic/">Pyretic</a> - A member of the Frenetic family of SDN programming languages that provides powerful abstractions over network switches or emulators.</li>
<li><ahref="https://github.com/sdn-ixp/internet2award">SDX Platform</a> - SDN based IXP implementation that leverages Mininet, POX and Pyretic.</li>
<p><em>Libraries for building user's activities.</em></p>
<ul>
<li><ahref="https://github.com/justquick/django-activity-stream">django-activity-stream</a> - Generating generic activity streams from the actions on your site.</li>
<li><ahref="https://github.com/tschellenbach/Stream-Framework">Stream-Framework</a> - Building newsfeed and notification systems using Cassandra and Redis.</li>
<li><ahref="https://github.com/pynamodb/PynamoDB">PynamoDB</a> - A Pythonic interface for <ahref="https://aws.amazon.com/dynamodb/">Amazon DynamoDB</a>.</li>
<li><ahref="https://github.com/neuman/python-carteblanche/">Carteblanche</a> - Module to align code with thoughts of users and designers. Also magically handles navigation and permissions.</li>
<li><ahref="https://github.com/django-guardian/django-guardian">django-guardian</a> - Implementation of per object permissions for Django 1.2+</li>
<li><ahref="https://github.com/dfunckt/django-rules">django-rules</a> - A tiny but powerful app providing object-level permissions to Django, without requiring a database.</li>
<li><ahref="https://github.com/timothycrosley/hug">hug</a> - A Python3 framework for cleanly exposing APIs over HTTP and the Command Line with automatic documentation and validation.</li>
<li><ahref="https://github.com/toastdriven/restless">restless</a> - Framework agnostic REST framework based on lessons learned from Tastypie.</li>
<li><ahref="https://github.com/joshmarshall/jsonrpclib/">SimpleJSONRPCServer</a> - This library is an implementation of the JSON-RPC specification.</li>
<li><ahref="https://docs.python.org/2/library/simplexmlrpcserver.html">SimpleXMLRPCServer</a> - (Python standard library) Simple XML-RPC server implementation, single-threaded.</li>
<li><ahref="https://github.com/0rpc/zerorpc-python">zeroRPC</a> - zerorpc is a flexible RPC implementation based on <ahref="http://zeromq.org/">ZeroMQ</a> and <ahref="http://msgpack.org/">MessagePack</a>.</li>
<li><ahref="https://www.elastic.co/guide/en/elasticsearch/client/python-api/current/index.html">elasticsearch-py</a> - The official low-level Python client for <ahref="https://www.elastic.co/products/elasticsearch">Elasticsearch</a>.</li>
<li><ahref="https://github.com/marshmallow-code/marshmallow">marshmallow</a> - marshmallow is an ORM/ODM/framework-agnostic library for converting complex datatypes, such as objects, to and from native Python datatypes.</li>
<li><ahref="https://github.com/pyexcel/pyexcel">pyexcel</a> - Providing one API for reading, manipulating and writing csv, ods, xls, xlsx and xlsm files.</li>
<li><ahref="https://github.com/python-openxml/python-docx">python-docx</a> - Reads, queries and modifies Microsoft Word 2007/2008 docx files.</li>
<li><ahref="https://github.com/python-excel/xlwt">xlwt</a> / <ahref="https://github.com/python-excel/xlrd">xlrd</a> - Writing and reading data and formatting information from Excel files.</li>
<li><ahref="https://github.com/HypothesisWorks/hypothesis-python">hypothesis</a> - Hypothesis is an advanced Quickcheck style property based testing library.</li>
<li><ahref="http://nestorsalceda.github.io/mamba/">mamba</a> - The definitive testing tool for Python. Born under the banner of BDD.</li>
<li><ahref="https://pypi.python.org/pypi/radar">radar</a> - Generate random datetime / time.</li>
</ul>
</li>
<li>Error Handler<ul>
<li><ahref="https://github.com/ajalt/fuckitpy">FuckIt.py</a> - FuckIt.py uses state-of-the-art technology to make sure your Python code runs whether it has any right to or not.</li>
<li><ahref="https://github.com/dimka665/awesome-slugify">awesome-slugify</a> - A Python slugify library that can preserve unicode.</li>
<li><ahref="https://github.com/un33k/python-slugify">python-slugify</a> - A Python slugify library that translates unicode to ASCII.</li>
<li><ahref="https://github.com/mozilla/unicode-slugify">unicode-slugify</a> - A slugifier that generates unicode slugs with Django as a dependency.</li>
<li><ahref="https://github.com/daviddrysdale/python-phonenumbers">phonenumbers</a> - Parsing, formatting, storing and validating international phone numbers.</li>
<li><ahref="http://www.dabeaz.com/ply/">PLY</a> - Implementation of lex and yacc parsing tools for Python</li>
<li><ahref="http://pygments.org/">Pygments</a> - A generic syntax highlighter.</li>
<li><ahref="https://session.wikispaces.com/1/auth/auth?authToken=04a694af95b643a06fcf5716ded01a5f3">pyparsing</a> - A general purpose framework for generating parsers.</li>
<p><em>Libraries for accessing third party services APIs. See: <ahref="https://github.com/realpython/list-of-python-api-wrappers">List of Python API Wrappers and Libraries</a>.</em></p>
<ul>
<li><ahref="https://libcloud.apache.org/">apache-libcloud</a> - One Python library for all clouds.</li>
<li><ahref="https://github.com/codeinthehole/purl">purl</a> - A simple, immutable URL class with a clean API for interrogation and manipulation.</li>
<li><ahref="https://github.com/ellisonleao/pyshorteners">pyshorteners</a> - A pure Python URL shortening lib.</li>
<li><ahref="https://github.com/Alir3z4/python-short_url">short_url</a> - Python implementation for generating Tiny URL and bit.ly-like URLs.</li>
<li><ahref="https://github.com/sloria/webargs">webargs</a> - A friendly library for parsing HTTP request arguments, with built-in support for popular web frameworks, including Flask, Django, Bottle, Tornado, and Pyramid.</li>
<li><ahref="https://uwsgi-docs.readthedocs.io/en/latest/">uWSGI</a> - A project aims at developing a full stack for building hosting services, written in C.</li>
<li><ahref="http://werkzeug.pocoo.org/">Werkzeug</a> - A WSGI utility library for Python that powers Flask and can easily be embedded into your own projects.</li>
<li><ahref="http://grablib.org/">Grab</a> - Site scraping framework.</li>
<li><ahref="https://github.com/hickford/MechanicalSoup">MechanicalSoup</a> - A Python library for automating interaction with websites.</li>
<li><ahref="https://github.com/scrapinghub/portia">portia</a> - Visual scraping for Scrapy.</li>
<li><ahref="https://github.com/binux/pyspider">pyspider</a> - A powerful spider system.</li>
<li><ahref="https://github.com/jmcarp/robobrowser">RoboBrowser</a> - A simple, Pythonic library for browsing the web without a standalone web browser.</li>
<li><ahref="https://github.com/crossbario/autobahn-python">AutobahnPython</a> - WebSocket & WAMP for Python on Twisted and <ahref="https://docs.python.org/3/library/asyncio.html">asyncio</a>.</li>
<li><ahref="https://github.com/crossbario/crossbar/">Crossbar</a> - Open-source Unified Application Router (Websocket & WAMP for Python on Autobahn).</li>
<li><ahref="https://github.com/stephenmcd/django-socketio">django-socketio</a> - WebSockets for Django.</li>
<li><ahref="https://github.com/Lawouach/WebSocket-for-Python">WebSocket-for-Python</a> - WebSocket client and server library for Python 2 and 3 as well as PyPy.</li>
<li><ahref="https://travis-ci.org">Travis CI</a> - A popular CI service for your open source and <ahref="https://travis-ci.com">private</a> projects. (GitHub only)</li>
<p>Your contributions are always welcome! Please take a look at the <ahref="https://github.com/vinta/awesome-python/blob/master/CONTRIBUTING.md">contribution guidelines</a> first.</p>
<p>I will keep some pull requests open if I'm not sure whether those libraries are awesome, you could <ahref="https://github.com/vinta/awesome-python/pulls">vote for them</a> by adding :+1: to them. Pull requests will be merged when their votes reach <strong>20</strong>.</p>