<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="http://fileconveyor.org/">fileconveyor</a> - A daemon to detect and sync files to CDNs, S3 and FTP.</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="http://eyed3.nicfit.net/">eyeD3</a> - A tool for working with audio files, specifically MP3 files containing ID3 metadata.</li>
<li><ahref="http://nedbatchelder.com/code/modules/id3reader.py">id3reader</a> - A Python module for reading MP3 meta data.</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://www.django-cms.org/en/">django-cms</a> - An Open source enterprise CMS based on the Django.</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/">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="http://docs.openstack.org/developer/cliff/">cliff</a> - A framework for creating command-line programs with multi-level commands.</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/jkbrzt/httpie">httpie</a> - A command line HTTP client, a user-friendly cURL replacement.</li>
<li><ahref="https://github.com/dbcli/mycli">mycli</a> - A Terminal Client for MySQL with AutoCompletion and Syntax Highlighting.</li>
<li><ahref="https://github.com/facebook/PathPicker">PathPicker</a> - Select files out of bash output.</li>
<li><ahref="https://github.com/mooz/percol">percol</a> - Adds flavor of interactive selection to the traditional pipe concept on UNIX.</li>
<li><ahref="https://github.com/dbcli/pgcli">pgcli</a> - Postgres CLI with autocompletion and syntax highlighting.</li>
<li><ahref="https://github.com/donnemartin/saws">SAWS</a> - A Supercharged AWS CLI.</li>
<li><ahref="https://github.com/nvbn/thefuck">thefuck</a> - Correcting your previous console command.</li>
<li><ahref="https://github.com/timofurrer/try">try</a> - A dead simple CLI to try out python packages - It's never been easier.</li>
<p><em>Libraries for migrating from Python 2 to 3.</em></p>
<ul>
<li><ahref="http://python-future.org/index.html">Python-Future</a> - The missing compatibility layer between Python 2 and Python 3.</li>
<li><ahref="https://github.com/mitsuhiko/python-modernize">Python-Modernize</a> - Modernizes Python code for eventual Python 3 migration.</li>
<li><ahref="https://pypi.python.org/pypi/six">Six</a> - Python 2 and 3 compatibility utilities.</li>
</ul>
<h2id="computer-vision">Computer Vision</h2>
<p><em>Libraries for computer vision.</em></p>
<ul>
<li><ahref="http://opencv.org/">OpenCV</a> - Open Source Computer Vision Library.</li>
<li><ahref="https://github.com/jflesch/pyocr">pyocr</a> - A wrapper for Tesseract and Cuneiform.</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="http://orange.biolab.si/">Orange</a> - Data mining, data visualization, analysis and machine learning through visual programming or scripts.</li>
<li><ahref="http://pandas.pydata.org/">Pandas</a> - A library providing high-performance, easy-to-use data structures and data analysis tools.</li>
</ul>
<h2id="data-validation">Data Validation</h2>
<p><em>Libraries for validating data. Used for forms in many cases.</em></p>
<ul>
<li><ahref="https://github.com/nicolaiarocci/cerberus/">Cerberus</a> - A lightweight and extensible data validation library.</li>
<li><ahref="http://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/django-debug-toolbar/django-debug-toolbar">django-debug-toolbar</a> - Display various debug information for Django.</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="https://github.com/tensorflow/tensorflow">TensorFlow</a> - The most popular Deep Learning framework created by Google.</li>
<li><ahref="https://github.com/Theano/Theano">Theano</a> - A library for fast numerical computation.</li>
</ul>
<h2id="devops-tools">DevOps Tools</h2>
<p><em>Software and libraries for DevOps.</em></p>
<ul>
<li><ahref="https://github.com/ansible/ansible">Ansible</a> - A radically simple IT automation platform.</li>
<li><ahref="http://cloudinit.readthedocs.io/">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/ronnix/fabtools">Fabtools</a> - Tools for writing awesome Fabric files.</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="http://www.openstack.org/">OpenStack</a> - Open source software for building private and public clouds.</li>
<li><ahref="https://github.com/pexpect/pexpect">pexpect</a> - Controlling interactive programs in a pseudo-terminal like GNU expect.</li>
<li><ahref="https://github.com/giampaolo/psutil">psutil</a> - A cross-platform process and system utilities module.</li>
<li><ahref="https://github.com/saltstack/salt">SaltStack</a> - Infrastructure automation and management system.</li>
<li><ahref="https://github.com/Supervisor/supervisor">supervisor</a> - Supervisor process control system for UNIX.</li>
</ul>
<h2id="distribution">Distribution</h2>
<p><em>Libraries to create packaged executables for release distribution.</em></p>
<ul>
<li><ahref="https://github.com/spotify/dh-virtualenv">dh-virtualenv</a> - Build and distribute a virtualenv as a Debian package.</li>
<li><ahref="http://nuitka.net/">Nuitka</a> - Compile scripts, modules, packages to an executable or extension module.</li>
<li><ahref="http://pythonhosted.org/py2app/">py2app</a> - Freezes Python scripts (Mac OS X).</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/DamnWidget/anaconda">Anaconda</a> - Anaconda turns your Sublime Text 3 in a full featured Python development IDE.</li>
<li><ahref="https://github.com/srusskih/SublimeJEDI">SublimeJEDI</a> - A Sublime Text plugin to the awesome auto-complete library Jedi.</li>
</ul>
</li>
<li>Vim<ul>
<li><ahref="https://github.com/davidhalter/jedi-vim">Jedi-vim</a> - Vim bindings for the Jedi auto-completion library for Python.</li>
<li><ahref="https://github.com/klen/python-mode">Python-mode</a> - An all in one plugin for turning Vim into a Python IDE.</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>
<p><em>Libraries for Python version and environment management.</em></p>
<ul>
<li><ahref="https://github.com/qw3rtman/p">p</a> - Dead simple interactive Python version management.</li>
<li><ahref="https://github.com/yyuu/pyenv">pyenv</a> - Simple Python version management.</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/maraujop/django-crispy-forms">django-crispy-forms</a> - A Django app which lets you create beautiful forms in a very elegant and DRY way.</li>
<li><ahref="https://github.com/WiserTogether/django-remote-forms">django-remote-forms</a> - A platform independent Django form serializer.</li>
<li><ahref="https://github.com/wtforms/wtforms">WTForms</a> - A flexible forms validation and rendering library.</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="http://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>
<li><ahref="http://wxpython.org/">wxPython</a> - A blending of the wxWidgets C++ class library with the Python.</li>
</ul>
<h2id="game-development">Game Development</h2>
<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="http://pysdl2.readthedocs.io/">PySDL2</a> - A ctypes based wrapper for the SDL2 library.</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="https://xmldataset.readthedocs.io">xmldataset</a> - Simple XML Parsing.</li>
<li><ahref="https://github.com/martinblech/xmltodict">xmltodict</a> - Working with XML feel like you are working with JSON.</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/metawilm/cl-python">CLPython</a> - Implementation of the Python programming language written in Common Lisp.</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> 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/">APScheduler</a> - A light but powerful in-process task scheduler that lets you schedule functions.</li>
<li><ahref="https://github.com/thauber/django-schedule">django-schedule</a> - A calendaring app for Django.</li>
<li><ahref="http://pydoit.org/">doit</a> - A task runner and build tool.</li>
<li><ahref="https://github.com/gunnery/gunnery">gunnery</a> - Multipurpose task execution tool for distributed systems with web-based interface.</li>
<li><ahref="http://pythonhosted.org/joblib/index.html">Joblib</a> - A set of tools to provide lightweight pipelining in Python.</li>
<li><ahref="https://github.com/fengsp/plan">Plan</a> - Writing crontab file in Python like a charm.</li>
<li><ahref="https://github.com/dbader/schedule">schedule</a> - Python job scheduling for humans.</li>
<li><ahref="https://github.com/knipknap/SpiffWorkflow">Spiff</a> - A powerful workflow engine implemented in pure Python.</li>
<li><ahref="http://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/douban/dpark">dpark</a> - Python clone of Spark, a MapReduce alike framework in Python.</li>
<li><ahref="https://github.com/klbostee/dumbo">dumbo</a> - Python module that allows one to easily write and run Hadoop programs.</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="http://spark.apache.org/docs/latest/programming-guide.html">PySpark</a> - The Spark Python API.</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>
<h2id="natural-language-processing">Natural Language Processing</h2>
<p><em>Libraries for working with human languages.</em></p>
<ul>
<li><ahref="https://github.com/fxsjy/jieba">Jieba</a> - Chinese text segmentation.</li>
<li><ahref="https://github.com/saffsd/langid.py">langid.py</a> - Stand-alone language identification system.</li>
<li><ahref="http://www.nltk.org/">NLTK</a> - A leading platform for building Python programs to work with human language data.</li>
<li><ahref="http://www.clips.ua.ac.be/pattern">Pattern</a> - A web mining module for the Python.</li>
<li><ahref="https://github.com/isnowfy/snownlp">SnowNLP</a> - A library for processing Chinese text.</li>
<li><ahref="https://spacy.io/">spaCy</a> - A library for industrial-strength natural language processing in Python and Cython.</li>
<li><ahref="https://github.com/sloria/TextBlob">TextBlob</a> - Providing a consistent API for diving into common NLP tasks.</li>
<li><ahref="https://github.com/2shou/TextGrocery">TextGrocery</a> - A simple, efficient short-text classification tool based on LibLinear and Jieba.</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 networking programming.</em></p>
<ul>
<li><ahref="https://docs.python.org/3/library/asyncio.html">asyncio</a> - (Python standard library) Asynchronous I/O, event loop, coroutines and tasks.</li>
<li><ahref="https://github.com/dieseldev/diesel">diesel</a> - Greenlet-based event I/O Framework for Python.</li>
<li><ahref="https://github.com/quantmind/pulsar">pulsar</a> - Event-driven concurrent framework for Python.</li>
<li><ahref="http://zeromq.github.io/pyzmq/">pyzmq</a> - A Python wrapper for the ZeroMQ message library.</li>
<li><ahref="https://twistedmatrix.com/trac/">Twisted</a> - An event-driven networking engine.</li>
<li><ahref="https://github.com/smira/txZMQ">txZMQ</a> - Twisted based wrapper for the ZeroMQ message library.</li>
</ul>
<h2id="news-feed">News Feed</h2>
<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="http://mongoengine.org/">MongoEngine</a> - A Python Object-Document-Mapper for working with MongoDB.</li>
<li><ahref="https://github.com/jlafon/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/brianray/mm">Marmir</a> - Takes Python data structures and turns them into spreadsheets.</li>
<li><ahref="https://openpyxl.readthedocs.io/">openpyxl</a> - A library for reading and writing Excel 2010 xlsx/xlsm/xltx/xltm files.</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/dagwieers/unoconv">unoconv</a> - Convert between any document format supported by LibreOffice/OpenOffice.</li>
<li><ahref="https://xlsxwriter.readthedocs.io">XlsxWriter</a> - A Python module for creating Excel .xlsx files.</li>
<li><ahref="http://xlwings.org/">xlwings</a> - A BSD-licensed library that makes it easy to call Python from Excel and vice versa.</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/ztane/python-Levenshtein/">Levenshtein</a> - Fast computation of Levenshtein distance and string similarity.</li>
<li><ahref="https://github.com/vinta/pangu.py">pangu.py</a> - Spacing texts for CJK and alphanumerics.</li>
<li><ahref="https://github.com/pwaller/pyfiglet">pyfiglet</a> - An implementation of figlet written in Python.</li>
<li><ahref="https://github.com/stochastic-technologies/shortuuid">shortuuid</a> - A generator library for concise, unambiguous and URL-safe UUIDs.</li>
<li><ahref="https://pypi.python.org/pypi/Unidecode">unidecode</a> - ASCII transliterations of Unicode text.</li>
<li><ahref="https://github.com/moskytw/uniout">uniout</a> - Print readable chars instead of the escaped string.</li>
<li><ahref="https://github.com/lxneng/xpinyin">xpinyin</a> - A library to translate Chinese hanzi (漢字) to pinyin (拼音).</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="http://pyparsing.wikispaces.com/">pyparsing</a> - A general purpose framework for generating parsers.</li>
<li><ahref="https://github.com/derek73/python-nameparser">python-nameparser</a> - Parsing human names into their individual components.</li>
<li><ahref="https://github.com/selwin/python-user-agents">python-user-agents</a> - Browser user agent parser.</li>
<li><ahref="https://github.com/andialbrecht/sqlparse">sqlparse</a> - A non-validating SQL parser.</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/">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="http://scrapy.org/">Scrapy</a> - A fast high-level screen scraping and web crawling framework.</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></div>
