A curated list of awesome Python frameworks, libraries and software. Inspired by awesome-php.

• Awesome Python
  • Environment Management
  • Package Management
  • Package Repositories
  • Distribution
  • Build Tools
  • Interactive Interpreter
  • Files
  • Date and Time
  • Text Processing
  • Specific Formats Processing
  • Natural Language Processing
  • Documentation
  • Configuration
  • Command-line Tools
  • Downloader
  • Imagery
  • OCR
  • Audio
  • Video
  • Geolocation
  • HTTP
  • Database
  • Database Drivers
  • ORM
  • Web Frameworks
  • Permissions
  • CMS
  • E-commerce
  • RESTful API
  • Authentication
  • Template Engine
  • Queue
  • Search
  • News Feed
  • Asset Management
  • Caching
  • Email
  • Internationalization
  • URL Manipulation
  • HTML Manipulation
  • Web Crawling
  • Web Content Extracting
  • Forms
  • Data Validation
  • Anti-spam
  • Tagging
  • Admin Panels
  • Static Site Generator
  • Processes and Threads
  • Concurrency and Networking
  • WebSocket
  • WSGI Servers
  • RPC Servers
  • Cryptography
  • GUI
  • Game Development
  • Logging
  • Testing
  • Code Analysis and Linter
  • Debugging Tools
  • Science and Data Analysis
  • Data Visualization
  • Computer Vision
  • Machine Learning
  • Functional Programming
  • MapReduce
  • Third-party APIs
  • DevOps Tools
  • Job Scheduler
  • Foreign Function Interface
  • High Performance
  • Network Virtualization and SDN
  • Hardware
  • Compatibility
  • Miscellaneous
  • Algorithms and Design Patterns
  • Editor Plugins
• Resources
  • Websites
  • Weekly
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• Other Awesome Lists
• Contributing

Libraries for Python version and environment management.

• pyenv - Simple Python version management.
• virtualenv - A tool to create isolated Python environments.
• virtualenvwrapper - A set of extensions to virtualenv.
• virtualenv-api - An API for virtualenv and pip.
• pew - A set of tools to manage multiple virtual environments.
• Vex - Run a command in the named virtualenv.
• PyRun - A one-file, no-installation-needed version of Python.

Libraries for package and dependency management.

• pip - The Python package and dependency manager.
  • Python Package Index
• conda - Cross-platform, Python-agnostic binary package manager.
• Curdling - Curdling is a command line tool for managing Python packages.
• wheel - The new standard of Python distribution and are intended to replace eggs.

Local PyPI repository server and proxies.

• warehouse - Next generation Python Package Repository (PyPI).
  • Warehouse
• devpi - PyPI server and packaging/testing/release tool.
• localshop - PyPI server which mirrors official packages on-demand, and also supports local (private) package uploads.

Libraries to create packaged executables for release distribution.

• cx-Freeze - Freezes Python scripts (cross-platform).
• py2exe - Freezes Python scripts (Windows).
• pynsist - A tool to build Windows installers, installers bundle Python itself.
• py2app - Freezes Python scripts (Mac OS X).
• PyInstaller - Converts Python programs into stand-alone executables (cross-platform).
• dh-virtualenv - Build and distribute a virtualenv as a Debian package.
• Nuitka - Compile scripts, modules, packages to an executable or extension module.

Compile software from source code.

• buildout - A build system for creating, assembling and deploying applications from multiple parts, some of which may be non-Python-based.
• SCons - A software construction tool.
• PlatformIO - A console tool to build code with different development platforms.
• BitBake - A make-like build tool with the special focus of distributions and packages for embedded Linux.
• fabricate - A build tool that finds dependencies automatically for any language.

Interactive Python interpreters.

• IPython - A rich toolkit to help you make the most out of using Python interactively.
• bpython – A fancy interface to the Python interpreter.
• python-prompt-toolkit - A Library for building powerful interactive command lines.

Libraries for file manipulation and MIME type detection.

• mimetypes - (Python standard library) Map filenames to MIME types.
• imghdr - (Python standard library) Determine the type of an image.
• python-magic - A Python interface to the libmagic file type identification library.
• path.py - A module wrapper for os.path.
• watchdog - API and shell utilities to monitor file system events.
• Unipath - An object-oriented approach to file/directory operations.
• pathlib - (Python standard library in Python 3.4+) An cross-platform, object-oriented path library.

Libraries for working with dates and times.

• arrow - Better dates & times for Python.
• Chronyk - A Python 3 library for parsing human-written times and dates.
• dateutil - Extensions to the standard Python datetime module.
• delorean - A library for clearing up the inconvenient truths that arise dealing with datetimes.
• when.py - Providing user-friendly functions to help perform common date and time actions.
• moment - A Python library for dealing with dates/times. Inspired by Moment.js.
• pytz - World timezone definitions, modern and historical. Brings the tz database into Python.

Libraries for parsing and manipulating plain texts.

• General
  • difflib - (Python standard library) Helpers for computing deltas.
  • Levenshtein - Fast computation of Levenshtein distance and string similarity.
  • fuzzywuzzy - Fuzzy String Matching.
  • esmre - Regular expression accelerator.
  • shortuuid - A generator library for concise, unambiguous and URL-safe UUIDs.
  • ftfy - Makes Unicode text less broken and more consistent automagically.
  • unidecode - ASCII transliterations of Unicode text.
  • chardet - Python 2/3 compatible character encoding detector.
  • xpinyin - A library to translate Chinese hanzi (漢字) to pinyin (拼音).
  • pangu.py - Spacing texts for CJK and alphanumerics.
  • pyfiglet - An implementation of figlet written in Python.
  • uniout - Print readable chars instead of the escaped string.
• Slugify
  • awesome-slugify - A Python slugify library that can preserve unicode.
  • python-slugify - A Python slugify library that translates unicode to ASCII.
  • unicode-slugify - A slugifier that generates unicode slugs with Django as a dependency.
• Parser
  • PLY - Implementation of lex and yacc parsing tools for Python
  • phonenumbers - Parsing, formatting, storing and validating international phone numbers.
  • python-user-agents - Browser user agent parser.
  • sqlparse - A non-validating SQL parser.
  • Pygments - A generic syntax highlighter.
  • python-nameparser - Parsing human names into their individual components.
  • pyparsing - A general purpose framework for generating parsers.

Libraries for parsing and manipulating specific text formats.

• General
  • tablib - A module for Tabular Datasets in XLS, CSV, JSON, YAML.
• Office
  • python-docx - Reads, queries and modifies Microsoft Word 2007/2008 docx files.
  • xlwt / xlrd - Writing and reading data and formatting information from Excel files.
  • XlsxWriter - A Python module for creating Excel .xlsx files.
  • xlwings - A BSD-licensed library that makes it easy to call Python from Excel and vice versa.
  • Marmir - Takes Python data structures and turns them into spreadsheets.
• PDF
  • PDFMiner - A tool for extracting information from PDF documents.
  • PyPDF2 - A library capable of splitting, merging and transforming PDF pages.
• Markdown
  • Python-Markdown - A Python implementation of John Gruber’s Markdown.
  • Mistune - Fastest and full featured pure Python parsers of Markdown.
• YAML
  • PyYAML - YAML implementations for Python.
• CSV
  • csvkit - Utilities for converting to and working with CSV.
• Archive
  • unp - A command line tool that can unpack archives easily.

Libraries for working with human languages.

• NLTK - A leading platform for building Python programs to work with human language data.
• Pattern - A web mining module for the Python. It has tools for natural language processing, machine learning, among others.
• TextBlob - Providing a consistent API for diving into common NLP tasks. Stands on the giant shoulders of NLTK and Pattern.
• jieba - Chinese Words Segmentation Utilities.
• SnowNLP - A library for processing Chinese text.
• loso - Another Chinese segmentation library.
• genius - A Chinese segment base on Conditional Random Field.

Libraries for generating project documentation.

• Sphinx - Python Documentation generator.
  • awesome-sphinxdoc
• reStructuredText - Markup Syntax and Parser Component of Docutils.
• MkDocs - Markdown friendly documentation generator.
• Pycco - The original quick-and-dirty, hundred-line-long, literate-programming-style documentation generator.
• pdoc - Epydoc replacement to auto generate API documentation for Python libraries.

Libraries for storing configuration options.

• ConfigParser - (Python standard library) INI file parser.
• ConfigObj - INI file parser with validation.
• config - Hierarchical config from the author of logging.
• profig - Config from multiple formats with value conversion.

Libraries for building command-line application.

• Command-line Application Development
  • cement - Cement provides a light-weight and fully featured foundation to build anything from single file scripts to complex and intricately designed applications.
  • click - A package for creating beautiful command line interfaces in a composable way.
  • clint - Python Command-line Application Tools.
  • cliff - A framework for creating command-line programs with multi-level commands.
  • Clime – Clime lets you convert any module into a multi-command CLI program without any configuration.
  • docopt - Pythonic command line arguments parser.
  • colorama - Cross-platform colored terminal text.
  • pyCLI - Command-line applications supporting standard command line parsing, logging, unit and functional testing.
  • Gooey - Turn command line programs into a full GUI application with one line
• Productivity Tools
  • cookiecutter - A command-line utility that creates projects from cookiecutters (project templates). E.g. Python package projects, jQuery plugin projects.
  • httpie - A command line HTTP client, a user-friendly cURL replacement.
  • percol - Adds flavor of interactive selection to the traditional pipe concept on UNIX.
  • RainbowStream - Smart and nice Twitter client on terminal.
  • caniusepython3 - Determine what projects are blocking you from porting to Python 3.

Libraries for downloading.

• s3cmd - A command line tool for managing Amazon S3 and CloudFront.
• youtube-dl - A small command-line program to download videos from YouTube.
• you-get - A YouTube/Youku/Niconico video downloader written in Python 3.
• coursera - Script for downloading Coursera.org videos and naming them.
• WikiTeam - Tools for downloading and preserving wikis.
• subliminal - Library and command line tool to search and download subtitles.

Libraries for manipulating images.

• pillow - Pillow is the friendly PIL fork.
• wand - Python bindings for MagickWand, C API for ImageMagick.
• thumbor - A smart imaging service. It enables on-demand crop, resizing and flipping of images.
• imgSeek - A project for searching a collection of images using visual similarity.
• python-qrcode - A pure Python QR Code generator.
• pyBarcode - Create barcodes in Python without needing PIL.
• pygram - Instagram-like image filters.
• Quads - Computer art based on quadtrees.
• nude.py - Nudity detection.
• scikit-image - A Python library for (scientific) image processing.
• hmap - Image histogram remapping.

Libraries for Optical Character Recognition.

• [python-tesseract] (https://code.google.com/p/python-tesseract) - A wrapper class for Google Tesseract OCR.
• pytesseract - Another wrapper for Google Tesseract OCR.
• pyocr - A wrapper for Tesseract and Cuneiform.

Libraries for manipulating audio.

• audiolazy - Expressive Digital Signal Processing (DSP) package for Python.
• audioread - Cross-library (GStreamer + Core Audio + MAD + FFmpeg) audio decoding.
• beets - A music library manager and MusicBrainz tagger.
• dejavu - Audio fingerprinting and recognition.
• django-elastic-transcoder - Django + Amazon Elastic Transcoder.
• eyeD3 - A tool for working with audio files, specifically MP3 files containing ID3 metadata.
• id3reader - A Python module for reading MP3 meta data.
• mutagen - A Python module to handle audio metadata.
• pydub - Manipulate audio with a simple and easy high level interface.
• pyechonest - Python client for the Echo Nest API.
• talkbox - A Python library for speech/signal processing.
• TimeSide - Open web audio processing framework.
• tinytag - A library for reading music meta data of MP3, OGG, FLAC and Wave files.
• m3u8 - A module for parsing m3u8 file.

Libraries for manipulating video and GIFs.

• moviepy - A module for script-based movie editing with many formats, including animated GIFs.
• shorten.tv - Video summarization.
• scikit-video - Video processing routines for SciPy.

Libraries for geocoding addresses and working with latitudes and longitudes.

• GeoDjango - A world-class geographic web framework.
• geopy - Python Geocoding Toolbox.
• pygeoip - Pure Python GeoIP API.
• GeoIP - Python API for MaxMind GeoIP Legacy Database.
• geojson - Python bindings and utlities for GeoJSON.
• django-countries - A Django app that provides country choices for use with forms, flag icons static files, and a country field for models.

Libraries for working with HTTP.

• requests - HTTP Requests for Humans™.
• grequests - requests + gevent for asynchronous HTTP requests.
• urllib3 - A HTTP library with thread-safe connection pooling, file post support, sanity friendly.
• httplib2 - Comprehensive HTTP client library.
• treq - Python requests like API built on top of Twisted's HTTP client.

Databases implemented in Python.

• ZODB - A native object database for Python. A key-value and object graph database.
• pickleDB - A simple and lightweight key-value store for Python.
• TinyDB - A tiny, document-oriented database.

Libraries for connecting and operating databases.

• Relational Databases
  • mysql-python - The MySQL database connector for Python.
  • mysqlclient - mysql-python fork supporting Python 3.
  • PyMySQL - Pure Python MySQL driver compatible to mysql-python.
  • mysql-connector-python - A pure Python MySQL driver from Oracle.
  • oursql - A better MySQL connector with support for native prepared statements and BLOBs.
  • psycopg2 - The most popular PostgreSQL adapter for Python.
  • txpostgres - Twisted based asynchronous driver for PostgreSQL.
  • queries - A wrapper of the psycopg2 library for interacting with PostgreSQL.
  • dataset - Store Python dicts in a database - works with SQLite, MySQL, and PostgreSQL.
• NoSQL Databases
  • cassandra-python-driver - Python driver for Cassandra.
  • pycassa - Python Thrift driver for Cassandra.
  • HappyBase - A developer-friendly library for Apache HBase.
  • PyMongo - The official Python client for MongoDB.
  • Plyvel - A fast and feature-rich Python interface to LevelDB.
  • redis-py - The Redis Python Client.
  • py2neo - Python wrapper client for Neo4j's restful interface.
  • telephus - Twisted based client for Cassandra.
  • txRedis - Twisted based client for Redis.

Libraries that implement Object-Relational Mapping or datamapping techniques.

• Relational Databases
  • Django Models - A part of Django.
  • SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper.
    • awesome-sqlalchemy
  • peewee - A small, expressive ORM.
  • PonyORM - ORM that provides a generator-oriented interface to SQL.
• NoSQL Databases
  • MongoEngine - A Python Object-Document-Mapper for working with MongoDB.
  • django-mongodb-engine - Django MongoDB Backend.
  • redisco - A Python Library for Simple Models and Containers Persisted in Redis.
  • flywheel - Object mapper for Amazon DynamoDB.
• Others
  • butterdb - A Python ORM for Google Drive Spreadsheets.

Full stack web frameworks.

• Django - The most popular web framework in Python.
  • awesome-django
• Flask - A microframework for Python.
  • awesome-flask
• Bottle - A fast, simple and lightweight WSGI micro web-framework.
• Pyramid - A small, fast, down-to-earth, open source Python web framework.
• web2py - A full stack web framework and platform focused in the ease of use.
• web.py - A web framework for Python that is as simple as it is powerful.
• TurboGears - The Web Framework that starts as a microframework and scales up to a fullstack solution.
• CherryPy - A Minimalist Python Web Framework, HTTP/1.1-compliant and WSGI thread-pooled.
• Grok - A framework built on the existing Zope 3 libraries.
• Bluebream - An open-source web application server, framework and library, formerly known as Zope 3.
• guava - A lightweight and high performance web framework for Python written in C.

Libraries that allow or deny users access to data or functionality.

• django-guardian - Implementation of per object permissions for Django 1.2+
• Carteblanche - Module to align code with thoughts of users and designers. Also magically handles navigation and permissions.

Content Management Systems.

• django-cms - An Open source enterprise CMS based on the Django.
• djedi-cms - A lightweight but yet powerful Django CMS with plugins, inline editing and performance in mind.
• FeinCMS - One of the most advanced Content Management Systems built on Django.
• Kotte - A high-level, Pythonic web application framework built on Pyramid.
• Mezzanine - A powerful, consistent, and flexible content management platform.
• Opps - A Django-based CMS for magazines, newspapers websites and portals with high-traffic.
• Plone - A CMS built on top of the open source application server Zope.
• Quokka - Flexible, extensible, small CMS powered by Flask and MongoDB.
• Wagtail - A Django content management system.
• Widgy - Last CMS framework, based on Django.

Frameworks and libraries for e-commerce and payments.

• django-oscar - An open-source e-commerce framework for Django.
• django-shop - A Django based shop system.
• merchant - A Django app to accept payments from various payment processors.
• money - Money class with optional CLDR-backed locale-aware formatting and an extensible currency exchange solution.
• python-currencies - Display money format and its filthy currencies.

Libraries for developing RESTful APIs.

• cornice - A REST framework for Pyramid.
• django-rest-framework - A powerful and flexible toolkit that makes it easy to build Web APIs.
• django-tastypie - Creating delicious APIs for Django apps.
• django-formapi - Create JSON APIs with HMAC authentication and Django form-validation.
• flask-api - An implementation of the same web browsable APIs that django-rest-framework provides.
• flask-restful - An extension for Flask that adds support for quickly building REST APIs.
• flask-restless - A Flask extension for generating ReSTful APIs for database models defined with SQLAlchemy (or Flask-SQLAlchemy).
• flask-api-utils - Flask extension that takes care of API representation and authentication.
• falcon - A high-performance Python framework for building cloud APIs and web app backends.
• eve - REST API framework powered by Flask, MongoDB and good intentions.
• sandman - Automated REST APIs for existing database-driven systems.
• restless - Framework agnostic REST framework based on lessons learned from TastyPie.
• savory-pie - REST API building library (django, and others)

Libraries for implementing authentications schemes.

• OAuth
  • Authomatic - Simple but powerful framework agnostic authentication/authorization client package.
  • OAuthLib - A generic, spec-compliant, thorough implementation of the OAuth request-signing logic.
  • rauth - A Python library for OAuth 1.0/a, 2.0, and Ofly.
  • python-oauth2 - A fully tested, abstract interface to creating OAuth clients and servers.
  • python-social-auth - An easy-to-setup social authentication mechanism.
  • django-oauth-toolkit - OAuth2 goodies for the Djangonauts.
  • django-oauth2-provider - Providing OAuth2 access to Django app.
  • django-allauth - Authentication app for Django that "just works."
  • Flask-OAuthlib - OAuth 1.0/a, 2.0 implementation of client and provider for Flask.
  • sanction - A dead simple OAuth2 client implementation.
• Others
  • PyJWT - Implementation of the JSON Web Token draft 01.
  • python-jwt - Module for generating and verifying JSON Web Tokens.
  • python-jws - Implementation of JSON Web Signatures draft 02.
  • jose - JavaScript Object Signing and Encryption draft implementation.

Libraries and tools for templating and lexing.

• Jinja2 - A modern and designer friendly templating language.
• Genshi - Python templating toolkit for generation of web-aware output.
• Mako - Hyperfast and lightweight templating for the Python platform.
• Chameleon - An HTML/XML template engine. Modeled after ZPT, optimized for speed.
• Spitfire - A very fast Python template compiler.

Libraries for working with event and task queues.

• celery - An asynchronous task queue/job queue based on distributed message passing.
• huey - Little multi-threaded task queue.
• mrq - Mr. Queue - A distributed worker task queue in Python using Redis & gevent.
• rq - Simple job queues for Python.
• simpleq - A simple, infinitely scalable, Amazon SQS based queue.

Libraries and software for indexing and performing search queries on data.

• django-haystack - Modular search for Django.
• elasticsearch-py - The official low-level Python client for Elasticsearch.
• solrpy - A Python client for solr.
• Whoosh - A fast, pure Python search engine library.

Libraries for building user's activities.

• Feedly - A library to build newsfeed and notification systems using Cassandra and Redis.
• django-activity-stream - Generate generic activity streams from the actions on your site.

Tools for managing, compressing and minifying website assets.

• django-compressor - Compresses linked and inline javascript or CSS into a single cached file.
• jinja-assets-compressor - A Jinja extension to compile and compress your assets.
• webassets - Bundles, optimizes, and manages unique cache-busting URLs for static resources.
• fanstatic - Packages, optimizes, and serves static file dependencies as Python packages.
• fileconveyor - Monitors changes, processes, and transports assets to CDNs and file storage systems.
• django-storages - A collection of custom storage backends for Django.
• glue - Glue is a simple command line tool to generate CSS sprites.
• libsass-python - A Python binding of libsass, the reference implementation of SASS/SCSS.
• Flask-Assets - Helps you integrate webassets into your Flask app.

Libraries for caching data.

• Beaker - A library for caching and sessions for use with web applications and stand-alone Python scripts and applications.
• dogpile.cache - dogpile.cache is next generation replacement for Beaker made by same authors.
• HermesCache - Python caching library with tag-based invalidation and dogpile effect prevention.
• django-cache-machine - Automatic caching and invalidation for Django models through the ORM.
• django-cacheops - A slick ORM cache with automatic granular event-driven invalidation.
• johnny-cache - A caching framework for django applications.
• django-viewlet - Render template parts with extended cache control.
• pylibmc - A Python wrapper around the libmemcached interface.

Libraries for sending and parsing email.

• inbox.py - Python SMTP Server for Humans.
• imbox - Python IMAP for Humans.
• inbox - The open source email toolkit.
• lamson - Pythonic SMTP Application Server.
• flanker - A email address and Mime parsing library.
• marrow.mailer - High-performance extensible mail delivery framework.
• django-celery-ses - Django email backend with AWS SES and Celery.
• modoboa - A mail hosting and management platform including a modern and simplified Web UI.
• envelopes - Mailing for human beings.
• mailjet - Mailjet API implementation for batch mailing, statistics and more.
• Talon - Mailgun library to extract message quotations and signatures.
• pyzmail - Compose, send and parse emails.

Libraries for woking with i18n.

• Babel - An internationalization library for Python.
• Korean - A library for Korean morphology.

Libraries for parsing URLs.

• furl - A small Python library that makes manipulating URLs simple.
• purl - A simple, immutable URL class with a clean API for interrogation and manipulation.
• pyshorteners - A pure Python URL shortening lib.
• short_url - Python implementation for generating Tiny URL and bit.ly-like URLs.
• webargs - A friendly library for parsing HTTP request arguments, with built-in support for popular web frameworks, including Flask, Django, Bottle, Tornado, and Pyramid.

Libraries for working with HTML and XML.

• BeautifulSoup - Providing Pythonic idioms for iterating, searching, and modifying HTML or XML.
• lxml - A very fast, easy-to-use and versatile library for handling HTML and XML.
• html5lib - A standards-compliant library for parsing and serializing HTML documents and fragments.
• pyquery - A jQuery-like library for parsing HTML.
• cssutils - A CSS library for Python.
• MarkupSafe - Implements a XML/HTML/XHTML Markup safe string for Python.
• bleach - A whitelist-based HTML sanitization and text linkification library.
• xmltodict - Working with XML feel like you are working with JSON.
• xhtml2pdf - HTML/CSS to PDF converter.
• untangle - Converts XML documents to Python objects for easy access.

Libraries for scraping websites.

• Scrapy - A fast high-level screen scraping and web crawling framework.
• portia - Visual scraping for Scrapy.
• feedparser - Universal feed parser.
• RoboBrowser - A simple, Pythonic library for browsing the web without a standalone web browser.
• MechanicalSoup - A Python library for automating interaction with websites.
• mechanize - Stateful programmatic web browsing.
• Demiurge - PyQuery-based scraping micro-framework.
• cola - A distributed crawling framework.
• pyspider - A powerful spider system.

Libraries for extracting web contents.

• newspaper - News extraction, article extraction and content curation in Python.
• html2text - Convert HTML to Markdown-formatted text.
• python-goose - HTML Content/Article Extractor.
• lassie - Web Content Retrieval for Humans.
• micawber - A small library for extracting rich content from URLs.
• sumy - A module for automatic summarization of text documents and HTML pages.
• Haul - An Extensible Image Crawler.
• python-readability - Fast Python port of arc90's readability tool.
• opengraph - A Python module to parse the Open Graph Protocol
• textract - Extract text from any document, Word, PowerPoint, PDFs, etc.
• sanitize - Bringing sanity to world of messed-up data.

Libraries for working with forms.

• WTForms - A flexible forms validation and rendering library.
• WTForms-JSON - A WTForms extension for JSON data handling.
• Deform - Python HTML form generation library influenced by the formish form generation library.
• django-bootstrap3 - Bootstrap 3 integration with Django.
• django-crispy-forms - A Django app which lets you create beautiful forms in a very elegant and DRY way.
• django-remote-forms - A platform independent Django form serializer.

Libraries for validating data. Used for forms in many cases.

• voluptuous - A Python data validation library. It is primarily intended for validating data coming into Python as JSON, YAML, etc.
• colander - A system for validating and deserializing data obtained via XML, JSON, an HTML form post or any other equally simple data serialization.
• schema - A library for validating Python data structures.
• Schematics - Data Structure Validation.
• kmatch - A language for matching/validating/filtering Python dictionaries.
• valideer - Lightweight extensible data validation and adaptation library.

Libraries for fighting spam.

• Stopspam - Intelligent spam detection for Python.
• django-simple-spam-blocker - Simple spam blocker for Django.
• django-simple-captcha - A simple and highly customizable Django app to add captcha images to any Django form.

Libraries for tagging items.

• django-taggit - Simple tagging for Django.

Libraries for administrative interfaces.

• Ajenti - The admin panel your servers deserve.
• Grappelli – A jazzy skin for the Django Admin-Interface.
• django-suit - Alternative Django Admin-Interface (free only for Non-commercial use).
• django-xadmin - Drop-in replacement of Django admin comes with lots of goodies.
• flask-admin - Simple and extensible administrative interface framework for Flask.
• flower - Real-time monitor and web admin for Celery.

Static site generator is a software that takes some text + templates as input and produces html files on the output.

• Pelican - Uses Markdown or ReST for content and Jinja 2 for themes. Supports DVCS, Disqus. AGPL.
• Cactus – Static site generator for designers.
• Hyde - Jinja2-based static web site generator.
• Nikola - A static website and blog generator.
• Tags - The simplest static site generator.
• Tinkerer - Tinkerer is a blogging engine/.static website generator powered by Sphinx.

Libraries for woking with processes or threads

• multiprocessing - (Python standard library) Process-based "threading" interface.
• threading - (Python standard library) Higher-level threading interface.
• envoy - Python Subprocesses for Humans™.
• sh - A full-fledged subprocess replacement for Python.
• sarge - A wrapper for subprocess.

Libraries for concurrency and network programming.

• asyncio - (Python standard library in Python 3.4+) Asynchronous I/O, event loop, coroutines and tasks.
• gevent - A coroutine-based Python networking library that uses greenlet.
• Twisted - An event-driven networking engine.
• Tornado - A Web framework and asynchronous networking library.
• pulsar - Event-driven concurrent framework for Python.
• diesel - Greenlet-based event I/O Framework for Python.
• eventlet - Asynchronous framework with WSGI support.
• pyzmq - A Python wrapper for the 0MQ message library.
• txZMQ - Twisted based wrapper for the 0MQ message library.
• Crossbar - Open-source Unified Application Router (Websocket & WAMP for Python on Autobahn).

Libraries for woking with WebSocket.

• AutobahnPython - WebSocket & WAMP for Python on Twisted and asyncio.
• WebSocket-for-Python - WebSocket client and server library for Python 2 and 3 as well as PyPy.

WSGI-compatible web servers.

• wsgiref - (Python standard library) WSGI reference implementation, single-threaded.
• Werkzeug - A WSGI utility library for Python that powers Flask and can easily be embedded into your own projects.
• paste - Multi-threaded, stable, tried and tested.
• rocket - Multi-threaded.
• waitress - Multi-threaded, poweres Pyramid.
• netius - Asynchronous, very fast.
• gunicorn - Pre-forked, partly written in C.
• fapws3 - Asynchronous (network side only), written in C.
• meinheld - Asynchronous, partly written in C.
• bjoern - Asynchronous, very fast and written in C.

RPC-compatible servers.

• SimpleXMLRPCServer - (Python standard library) Simple XML-RPC server implementation, single-threaded.
• SimpleJSONRPCServer - This library is an implementation of the JSON-RPC specification.
• zeroRPC - zerorpc is a flexible RPC implementation based on ZeroMQ and MessagePack.

• PyCrypto - The Python Cryptography Toolkit.
• Paramiko - A Python (2.6+, 3.3+) implementation of the SSHv2 protocol, providing both client and server functionality.
• cryptography - A package designed to expose cryptographic primitives and recipes to Python developers.
• PyNacl - Python binding to the Networking and Cryptography (NaCl) library.
• hashids - Implementation of hashids in Python.
• Passlib - Secure password storage/hashing library, very high level.

Libraries for working with graphical user interface applications.

• PyQt - Python bindings for the Qt cross-platform application and UI framework, with support for both Qt v4 and Qt v5 frameworks.
• PySide - Python bindings for the Qt cross-platform application and UI framework, supporting the Qt v4 framework.
• wxPython - A blending of the wxWidgets C++ class library with the Python.
• kivy - A library for creating NUI applications, running on Windows, Linux, Mac OS X, Android and iOS.
• curses - Built-in wrapper for ncurses used to create terminal GUI applications.
• urwid - A library for creating terminal GUI applications with strong support for widgets, events, rich colors, etc.
• pyglet - A cross-platform windowing and multimedia library for Python.
• Tkinter - Tkinter is Python's de-facto standard GUI package.
• enaml - Creating beautiful user-interfaces with Declaratic Syntax like QML.
• Toga - A Python native, OS native GUI toolkit.

Awesome game development libraries.

• Pygame - Pygame is a set of Python modules designed for writing games.
• Cocos2d - cocos2d is a framework for building 2D games, demos, and other graphical/interactive applications. It is based on pyglet.
• PySDL2 - A ctypes based wrapper for the SDL2 library.
• Panda3D - 3D game engine developed by Disney and maintained by Carnegie Mellon's Entertainment Technology Center. Written in C++, completely wrapped in Python.
• PyOgre - Python bindings for the Ogre 3D render engine, can be used for games, simulations, anything 3D.
• PyOpenGL - Python ctypes bindings for OpenGL and it's related APIs.
• PySFML - Python bindings for SFML
• RenPy - A Visual Novel engine.

Libraries for generating and working with log files.

• logging - (Python standard library) Logging facility for Python.
• logbook - Logging replacement for Python.
• Sentry - A realtime logging and aggregation server.
• Raven - The Python client for Sentry.

Libraries for testing codebases and generating test data.

• Testing Frameworks
  • unittest - (Python standard library) Unit testing framework.
  • nose - nose extends unittest.
  • pytest - A mature full-featured Python testing tool.
  • mamba - The definitive testing tool for Python. Born under the banner of BDD.
  • contexts - A BDD framework for Python 3.3+. Inspired by C#'s Machine.Specifications.
  • pyshould - Should style asserts based on PyHamcrest.
  • pyvows - BDD style testing for Python. Inspired by Vows.js.
• Web Testing
  • Selenium - Python bindings for Selenium WebDriver.
  • splinter - Open source tool for testing web applications.
  • locust - Scalable user load testing tool written in Python.
  • sixpack - A language-agnostic A/B Testing framework.
• Mock
  • mock - A Python Mocking and Patching Library for Testing.
  • responses - A utility library for mocking out the requests Python library.
  • doublex - Powerful test doubles framework for Python.
  • freezegun - Travel through time by mocking the datetime module.
  • httpretty - HTTP request mock tool for Python.
  • httmock - A mocking library for requests for Python 2.6+ and 3.2+.
• Code Coverage
  • coverage - Code coverage measurement.
• Fake Data
  • faker - A Python package that generates fake data.
  • fake2db - Fake database generator.
  • mixer - Generating fake data and creating random fixtures for testing in Django ORM, SQLAlchemy, Peewee, MongoEngine, Pony ORM and etc.
  • model_mommy - Creating random fixtures for testing in Django.
  • ForgeryPy - An easy to use forged data generator for Python. It's a port of forgery.
  • radar - Generate random datetime / time.
• Error Handler
  • FuckIt.py - FuckIt.py uses state-of-the-art technology to make sure your Python code runs whether it has any right to or not.

Libraries and tools for analysing, parsing and manipulation codebases.

• Code Analysis
  • pysonar2 - A type inferencer and indexer for Python.
  • pycallgraph - A library that visualises the flow (call graph) of your Python application.
  • code2flow - Turn your Python and JavaScript code into DOT flowcharts.
• Linter
  • Flake8 - The modular source code checker: pep8, pyflakes and co.
  • pylama - Code audit tool for Python and JavaScript.
  • Pylint - A source code analyzer.

Libraries for debugging code.

• pdb - (Python standard library) The Python Debugger.
• ipdb - IPython-enabled pdb.
• winpdb - A Platform Independent Python Debugger with GUI.
• pudb – A full-screen, console-based Python debugger.
• pyringe - Debugger capable of attaching to and injecting code into Python processes.
• python-statsd - Python Client for the statsd server.
• memory_profiler - Monitor Memory usage of Python code.
• profiling - An interactive Python profiler.
• django-debug-toolbar - Display various debug information about the current request/response.
• django-devserver - A drop-in replacement for Django's runserver.
• flask-debugtoolbar - A port of the django-debug-toolbar to flask.
• pyelftools - A pure-Python library for parsing and analyzing ELF files and DWARF debugging information.

Libraries for scientific computing and data analyzing.

• SciPy - A Python-based ecosystem of open-source software for mathematics, science, and engineering.
• NumPy - A fundamental package for scientific computing with Python.
• Numba - Python JIT (just in time) complier to LLVM aimed at scientific Python by the developers of Cython and NumPy.
• NetworkX - A high-productivity software for complex networks.
• Pandas - A library providing high-performance, easy-to-use data structures and data analysis tools.
• Open Mining - Business Intelligence (BI) in Python (Pandas web interface)
• PyMC - Markov Chain Monte Carlo sampling toolkit.
• zipline - A Pythonic algorithmic trading library.
• PyDy - Short for Python Dynamics, used to assist with workflow in the modeling of dynamic motion based around NumPy, SciPy, IPython, and matplotlib.
• SymPy - A Python library for symbolic mathematics.
• statsmodels - Statistical modeling and econometrics in Python.
• astropy - A community Python library for Astronomy.
• orange - Data mining, data visualization, analysis and machine learning through visual programming or Python scripting.
• RDKit - Cheminformatics and Machine Learning Software.
• Open Babel - A chemical toolbox designed to speak the many languages of chemical data.
• cclib - A library for parsing and interpreting the results of computational chemistry packages.
• Biopython - Biopython is a set of freely available tools for biological computation.
• bccb - Collection of useful code related to biological analysis.
• bcbio-nextgen - A toolkit providing best-practice pipelines for fully automated high throughput sequencing analysis.
• blaze - NumPy and Pandas interface to Big Data.

Libraries for visualizing data. See: awesome-javascript.

• matplotlib - A Python 2D plotting library.
• bokeh - Interactive Web Plotting for Python.
• plotly - Collaborative web plotting for Python and matplotlib.
• vincent - A Python to Vega translator.
• d3py - A plottling library for Python, based on D3.js.
• ggplot - Same API as ggplot2 for R.
• Kartograph.py - Rendering beautiful SVG maps in Python.
• pygal - A Python SVG Charts Creator.
• pygraphviz - Python interface to Graphviz.
• PyQtGraph - Interactive and realtime 2D/3D/Image plotting and science/engineering widgets.

Libraries for computer vision.

• OpenCV - Open Source Computer Vision Library.
• SimpleCV - An open source framework for building computer vision applications.

Libraries for Machine Learning. See: awesome-machine-learning.

• scikit-learn - A Python module for machine learning built on top of SciPy.
• pattern - Web mining module for Python.
• NuPIC - Numenta Platform for Intelligent Computing.
• Pylearn2 - A Machine Learning library based on Theano.
• hebel - GPU-Accelerated Deep Learning Library in Python.
• gensim - Topic Modelling for Humans.
• PyBrain - Another Python Machine Learning Library.
• Crab - A flexible, fast recommender engine.
• python-recsys - A Python library for implementing a Recommender System.
• vowpal_porpoise - A lightweight Python wrapper for Vowpal Wabbit.

Framworks and libraries for MapReduce.

• PySpark - The Spark Python API.
• dpark - Python clone of Spark, a MapReduce alike framework in Python.
• luigi - A module that helps you build complex pipelines of batch jobs.
• mrjob - Run MapReduce jobs on Hadoop or Amazon Web Services.
• dumbo - Python module that allows one to easily write and run Hadoop programs.
• streamparse - Run Python code against real-time streams of data. Integrates with Apache Storm.

Functional Programming with Python.

• fn.py - Functional programming in Python: implementation of missing features to enjoy FP.
• funcy - A fancy and practical functional tools.
• Toolz - A collection of functional utilities for iterators, functions, and dictionaries.
• CyToolz - Cython implementation of Toolz: High performance functional utilities.

Libraries for accessing third party services APIs. See: List of Python API Wrappers and Libraries.

• apache-libcloud - One Python library for all clouds.
• boto - Python interface to Amazon Web Services.
• twython - A Python wrapper for the Twitter API.
• google-api-python-client - Google APIs Client Library for Python.
• gspread - Google Spreadsheets Python API.
• facebook-sdk - Facebook Platform Python SDK.
• facepy - Facepy makes it really easy to interact with Facebook's Graph API
• gmail - A Pythonic interface for Gmail.
• django-wordpress - WordPress models and views for Django.

Software and libraries for DevOps.

• OpenStack - Open source software for building private and public clouds.
• Ansible - A radically simple IT automation platform.
• SaltStack - Infrastructure automation and management system.
• Fabric - A simple, Pythonic tool for remote execution and deployment.
• Fabtools - Tools for writing awesome Fabric files.
• cuisine - Chef-like functionality for Fabric.
• psutil - A cross-platform process and system utilities module.
• pexpect - Controlling interactive programs in a pseudo-terminal like GNU expect.
• provy - An easy-to-use provisioning system in Python.
• honcho - A Python port of Foreman, a tool for managing Procfile-based applications.
• gunnery - Multipurpose task execution tool for distributed systems with web-based interface.
• fig - Fast, isolated development environments using Docker.
• hgapi - Pure-Python API for Mercurial.
• gitapi - Pure-Python API for git.

Libraries for scheduling jobs.

• APScheduler - A light but powerful in-process task scheduler that lets you schedule functions.
• django-schedule - A calendaring app for Django.
• doit - A task runner/build tool.
• Joblib - A set of tools to provide lightweight pipelining in Python.
• Plan - Writing crontab file in Python like a charm.
• Spiff - A powerful workflow engine implemented in pure Python.
• schedule - Python job scheduling for humans.
• TaskFlow - A Python library that helps to make task execution easy, consistent and reliable.

Libraries for providing foreign function interface.

• ctypes - (Python standard library) Foreign Function Interface for Python calling C code.
• cffi - Foreign Function Interface for Python calling C code.
• SWIG - Simplified Wrapper and Interface Generator.
• PyCUDA - A Python wrapper for Nvidia's CUDA API.

Libraries for making Python faster.

• Cython - Optimizing Static Complier for Python. Uses type mixins to compile Python into C or C++ modules resulting in large performance gains.
• PyPy - An implementation of Python in Python. The interpreter uses black magic to make Python very fast without having to add in additional type information.
• Stackless Python - An enhanced version of the Python.
• Pyston - A Python implementation built using LLVM and modern JIT techniques with the goal of achieving good performance.

Python programming on Microsoft Windows.

• pythonlibs - Unofficial Windows(32/64-bit) binaries for Python extension packages
• Python(x,y) - Scientific-applications-oriented Python Distribution based on Qt and Spyder.
• spyder - IDE for the Python language with advanced editing, interactive testing, debugging and introspection features (also comes with Anaconda).

Tools and libraries for Virtual Networking and SDN (Software Defined Networking).

• Mininet - A popular network emulator and API written in Python.
• POX - An open source development platform for Python-based Software Defined Networking (SDN) control applications, such as OpenFlow SDN controllers.
• Pyretic - A member of the Frenetic family of SDN programming languages that provides powerful abstractions over network switches or emulators.
• SDX Platform - SDN based IXP implementation that leverages Mininet, POX and Pyretic.

Libraries for programming with hardware.

• PyUserInput - A module for cross-platform control of the mouse and keyboard.
• wifi - A Python library and command line tool for working with WiFi on Linux.
• scapy - A brilliant packet manipulation library.
• ino - Command line toolkit for working with Arduino.
• Pyro - Python Robotics.

Libraries for migrating from Python 2 to 3.

• Six - Python 2 and 3 compatibility utilities.
• Python-Future - The missing compatibility layer between Python 2 and Python 3.
• Python-Modernize - Modernizes Python code for eventual Python 3 migration.

Useful libraries or tools that don't fit in the categories above.

• pluginbase - A simple but flexible plugin system for Python.
• itsdangerous - Various helpers to pass trusted data to untrusted environments.
• blinker - A fast Python in-process signal/event dispatching system.
• Pychievements - A framework for creating and tracking achievements.

Python implementation of algorithms and design patterns.

• python-patterns - A collection of design patterns in Python.
• algorithms - module of algorithms for Python.

Plugins for editors and IDEs.

• Vim
  • Python-mode - An all in one plugin for turning Vim into a Python IDE.
  • Jedi-vim - Vim bindings for the Jedi autocompletion library for Python.
  • YouCompleteMe - Includes Jedi-based completion engine for Python
• Emacs
  • Elpy - Emacs Python Development Environment.
• Sublime Text
  • SublimeJEDI - A Sublime Text plugin to the awesome autocomplete library Jedi.
  • Anaconda - Anaconda turns your Sublime Text 3 in a full featured Python development IDE.
• Atom
  • Linter - A static code analysis tool for Atom.
  • Linter-flake8 - An addon to linter, that acts as an interface for flake8.
  • virtualenv - Atom package for virtualenv management.

Where to discover new Python libraries.

• r/Python - News about Python.
• Python 3 Wall of Superpowers - Too many popular Python packages don't support Python 3.
• Trending Python repositories on GitHub today - Good place to find new Python libraries.
• Python Hackers - List of top 400 projects in GitHub.
• CoolGithubProjects - Sharing cool github projects just got easier!
• Full Stack Python - Plain English explanations for every layer of the Python web application stack.
• Django Packages - A directory of reusable apps, sites, tools, and more for Django projects.

• Pycoder's Weekly
• Python Weekly
• Import Python Newsletter

• @pypi
• @planetpython
• @getpy
• @pycoders
• @PythonWeekly
• @pythontrending

List of lists.

• Python
  • pycrumbs
  • pythonidae
  • python-github-projects
  • python_reference
  • easy-python
• Monty
  • awesome-awesomeness
  • lists

Your contributions are always welcome!

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