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Libraries for administrative interfaces.

Python implementation of algorithms and design patterns.

Libraries for fighting spam.

Tools for managing, compressing and minifying website assets.

• django-compressor - Compresses linked and inline JavaScript or CSS into a single cached file.

Libraries for manipulating audio.

• audiolazy - Expressive Digital Signal Processing (DSP) package for Python.

Libraries for implementing authentications schemes.

• OAuth
  • Authomatic - Simple but powerful framework agnostic authentication/authorization client.

Compile software from source code.

• BitBake - A make-like build tool for embedded Linux.

Content Management Systems.

• django-cms - An Open source enterprise CMS based on the Django.

Libraries for caching data.

• Beaker - A library for caching and sessions for use with web applications and stand-alone Python scripts and applications.

Libraries for chatbot development.

• Errbot - The easiest and most popular chatbot to implement ChatOps.

Libraries and tools for analysing, parsing and manipulation codebases.

• Code Analysis

  • coala - Language independent and easily extendable code analysis application.

• Linter

  • Flake8 - The modular source code checker: pep8, pyflakes and co.

Libraries for building command-line application.

• Command-line Application Development
  • asciimatics - 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.
• Productivity Tools
  • aws-cli - A universal command-line interface for Amazon Web Services.
  • bashplotlib - Making basic plots in the terminal.

Libraries for migrating from Python 2 to 3.

• Python-Future - The missing compatibility layer between Python 2 and Python 3.

Libraries for computer vision.

• OpenCV - Open Source Computer Vision Library.

Libraries for concurrent and parallel execution.

• eventlet - Asynchronous framework with WSGI support.

• uvloop - Ultra fast implementation of asyncio event loop on top of libuv.

• tomorrow - Magic decorator syntax for asynchronous code.

Libraries for storing and parsing configuration options.

• ConfigParser - (Python standard library) INI file parser.

• cryptography - A package designed to expose cryptographic primitives and recipes to Python developers.

Libraries for data analyzing.

• Blaze - NumPy and Pandas interface to Big Data.
• Open Mining - Business Intelligence (BI) in Pandas interface.
• Orange - Data mining, data visualization, analysis and machine learning through visual programming or scripts.
• Pandas - A library providing high-performance, easy-to-use data structures and data analysis tools.

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

• Cerberus - A lightweight and extensible data validation library.

Libraries for visualizing data. See: awesome-javascript.

• ggplot - Same API as ggplot2 for R.

Databases implemented in Python.

• pickleDB - A simple and lightweight key-value store for Python.

Libraries for connecting and operating databases.

• MySQL - awesome-mysql
  • mysql-python - The MySQL database connector for Python.
• PostgreSQL
  • psycopg2 - The most popular PostgreSQL adapter for Python.
• Other Relational Databases
  • apsw - Another Python SQLite wrapper.
  • dataset - Store Python dicts in a database - works with SQLite, MySQL, and PostgreSQL.
  • pymssql - A simple database interface to Microsoft SQL Server.
• NoSQL Databases
  • cassandra-python-driver - Python driver for Cassandra.
  • HappyBase - A developer-friendly library for Apache HBase.
  • Plyvel - A fast and feature-rich Python interface to LevelDB.
  • py2neo - Python wrapper client for Neo4j's restful interface.
  • pycassa - Python Thrift driver for Cassandra.
  • PyMongo - The official Python client for MongoDB.
  • redis-py - The Redis Python Client.
  • telephus - Twisted based client for Cassandra.
  • txRedis - Twisted based client for Redis.

Libraries for working with dates and times.

• arrow - Better dates & times for Python.

Libraries for debugging code.

• pdb-like Debugger
  • ipdb - IPython-enabled pdb.
• Profiler
  • line_profiler - Line-by-line profiling.
  • memory_profiler - Monitor Memory usage of Python code.
  • profiling - An interactive Python profiler.
• Others
  • django-debug-toolbar - Display various debug information for Django.
  • django-devserver - A drop-in replacement for Django's runserver.
  • flask-debugtoolbar - A port of the django-debug-toolbar to flask.
  • hunter - Hunter is a flexible code tracing toolkit.
  • lptrace - strace for Python programs.
  • manhole - Debug service that will accept unix domain socket connections and present the stacktraces for all threads and an interactive prompt.
  • pyelftools - Parsing and analyzing ELF files and DWARF debugging information.
  • pyringe - Debugger capable of attaching to and injecting code into Python processes.

Frameworks for Neural Networks and Deep Learning. See: awesome-deep-learning.

• TensorFlow - The most popular Deep Learning framework created by Google.

Software and libraries for DevOps.

• OpenStack - Open source software for building private and public clouds.
• pexpect - Controlling interactive programs in a pseudo-terminal like GNU expect.
• psutil - A cross-platform process and system utilities module.
• supervisor - Supervisor process control system for UNIX.

Libraries to create packaged executables for release distribution.

• PyInstaller - Converts Python programs into stand-alone executables (cross-platform).

Libraries for generating project documentation.

• Pycco - The literate-programming-style documentation generator.

Libraries for downloading.

• s4cmd - Super S3 command line tool, good for higher performance.
• you-get - A YouTube/Youku/Niconico video downloader written in Python 3.
• youtube-dl - A small command-line program to download videos from YouTube.

Frameworks and libraries for e-commerce and payments.

• alipay - Unofficial Alipay API for Python.
• money - Money class with optional CLDR-backed locale-aware formatting and an extensible currency exchange solution.
• shoop - An open source E-Commerce platform based on Django.
• django-oscar - Domain-driven e-commerce for Django 

• Emacs
  • Elpy - Emacs Python Development Environment.
• Sublime Text
  • Anaconda - Anaconda turns your Sublime Text 3 in a full featured Python development IDE.
  • SublimeJEDI - A Sublime Text plugin to the awesome auto-complete library Jedi.
• Vim
  • Jedi-vim - Vim bindings for the Jedi auto-completion library for Python.
  • Python-mode - An all in one plugin for turning Vim into a Python IDE.
  • YouCompleteMe - Includes Jedi-based completion engine for Python.
• Visual Studio
  • PTVS - Python Tools for Visual Studio.
• Visual Studio Code
  • Python - An extension with rich support for the Python language, with features including linting, IntelliSense, formatting, refactoring, debugging, unit tests, and jupyter support.
  • Magic Python - Cutting edge Python syntax highlighter for Sublime Text, Atom, and Visual Studio Code. Used by GitHub to highlight your Python code!
• IDE.
  • PyCharm - Commercial Python IDE by JetBrains. Has free community edition available.
  • Spyder - Open Source Python IDE.

Libraries for sending and parsing email.

• mailinabox - Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box
• Nylas Sync Engine - Providing a RESTful API on top of a powerful email sync platform.
• Mailpile

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.

Libraries for file manipulation and MIME type detection.

• path.py - A module wrapper for os.path.
• python-magic - A Python interface to the libmagic file type identification library.
• watchdog - API and shell utilities to monitor file system events.

Libraries for providing foreign function interface.

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

Libraries for working with forms.

• 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.
• WTForms - A flexible forms validation and rendering library.

Functional Programming with Python.

• funcy - A fancy and practical functional tools.
• Toolz - A collection of functional utilities for iterators, functions, and dictionaries.

Libraries for working with graphical user interface applications.

• kivy - A library for creating NUI applications, running on Windows, Linux, Mac OS X, Android and iOS.
• Gooey - Turn (almost) any Python command line program into a full GUI application with one line
• PyQt - Python bindings for the Qt cross-platform application and UI framework, with support for both Qt v4 and Qt v5 frameworks.
• urwid - A library for creating terminal GUI applications with strong support for widgets, events, rich colors, etc.

Awesome game development libraries.

• Cocos2d - cocos2d is a framework for building 2D games, demos, and other graphical/interactive applications. It is based on pyglet.
• Panda3D - 3D game engine developed by Disney and maintained by Carnegie Mellon's Entertainment Technology Center. Written in C++, completely wrapped in Python.
• Pygame - Pygame is a set of Python modules designed for writing games.
• 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.

Libraries for geocoding addresses and working with latitudes and longitudes.

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

Libraries for working with HTML and XML.

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

Libraries for working with HTTP.

• requests - HTTP Requests for Humans™.

Libraries for programming with hardware.

• ino - Command line toolkit for working with Arduino.
• Pingo - Pingo provides a uniform API to program devices like the Raspberry Pi, pcDuino, Intel Galileo, etc.
• Pyro - Python Robotics.
• PyUserInput - A module for cross-platform control of the mouse and keyboard.
• scapy - A brilliant packet manipulation library.
• wifi - A Python library and command line tool for working with WiFi on Linux.

Libraries for manipulating images.

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

Implementations of Python.

• CLPython - Implementation of the Python programming language written in Common Lisp.
• CPython - Default, most widely used implementation of the Python programming language written in C. Optimizing Static Compiler for Python. Uses type mixins to compile Python into C or C++ modules resulting in large performance gains.
• Grumpy - More compiler than interpreter as more powerful CPython2.7 replacement (alpha).
• IronPython - Implementation of the Python programming language written in C# targeting the .NET Framework and Mono.
• Jython - Implementation of Python programming language written in Java for the Java virtual machine (JVM).
• MicroPython - MicroPython - a lean and efficient Python programming language implementation for microcontrollers and constrained systems
• Numba - Python JIT complier to LLVM aimed at scientific Python.
• PeachPy - 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.
• Pyjion - A JIT for Python based upon CoreCLR.
• PyPy - 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.
• PySec - Hardened version of python that makes it easier for security professionals and developers to write applications more resilient to attacks and manipulations.
• Pyston - A Python implementation built using LLVM and modern JIT techniques with the goal of achieving good performance.
• Stackless Python - 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.

Interactive Python interpreters (REPL).

• bpython - A fancy interface to the Python interpreter.
• Jupyter Notebook (IPython) - A rich toolkit to help you make the most out of using Python interactively.
• ptpython - Advanced Python REPL built on top of the python-prompt-toolkit.

Libraries for working with i18n.

• Babel - An internationalization library for Python.
• PyICU - A wrapper of International Components for Unicode C++ library (ICU).

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 and build tool.
• gunnery - Multipurpose task execution tool for distributed systems with web-based interface.
• Joblib - A set of tools to provide lightweight pipelining in Python.
• Plan - Writing crontab file in Python like a charm.
• schedule - Python job scheduling for humans.
• Spiff - A powerful workflow engine implemented in pure Python.
• TaskFlow - A Python library that helps to make task execution easy, consistent and reliable.

Libraries for generating and working with logs.

• Sentry - A realtime logging and aggregation server.
• Eliot - Logging for complex & distributed systems.
• logster - parse log
• selfspy - Log everything you do on the computer, for statistics, future reference and all-around fun!

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

• gensim - Topic Modelling for Humans.
• MLlib - Apache Spark's scalable Machine Learning library.
• NuPIC - Numenta Platform for Intelligent Computing.
• Pylearn2 - A Machine Learning library based on Theano.
• scikit-learn - The most popular Python library for Machine Learning.
• vowpal_porpoise - A lightweight Python wrapper for Vowpal Wabbit.

Frameworks and libraries for MapReduce.

• dpark - Python clone of Spark, a MapReduce alike framework in Python.
• PySpark - The Spark Python API.

Python programming on Microsoft Windows.

• Python(x,y) - Scientific-applications-oriented Python Distribution based on Qt and Spyder.
• pythonlibs - Unofficial Windows binaries for Python extension packages.
• PythonNet - Python Integration with the .NET Common Language Runtime (CLR).
• PyWin32 - Python Extensions for Windows.
• WinPython - Portable development environment for Windows 7/8.

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

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

Libraries for working with human languages.

• Jieba - Chinese text segmentation.
• langid.py - Stand-alone language identification system.
• NLTK - A leading platform for building Python programs to work with human language data.
• Pattern - A web mining module for the Python.
• SnowNLP - A library for processing Chinese text.
• spaCy - A library for industrial-strength natural language processing in Python and Cython.
• TextBlob - Providing a consistent API for diving into common NLP tasks.
• TextGrocery - A simple, efficient short-text classification tool based on LibLinear and Jieba.

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

• Mininet - A popular network emulator and API written in Python.
• Pyretic - A member of the Frenetic family of SDN programming languages that provides powerful abstractions over network switches or emulators.

Libraries for networking programming.

• asyncio - (Python standard library) Asynchronous I/O, event loop, coroutines and tasks.
• diesel - Greenlet-based event I/O Framework for Python.
• pulsar - Event-driven concurrent framework for Python.
• pyzmq - A Python wrapper for the ZeroMQ message library.
• Twisted - An event-driven networking engine.
• txZMQ - Twisted based wrapper for the ZeroMQ message library.

Libraries for building user's activities.

• django-activity-stream - Generating generic activity streams from the actions on your site.
• Stream-Framework - Building newsfeed and notification systems using Cassandra and Redis.

Libraries that implement Object-Relational Mapping or data mapping 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.
  • python-sql - Write SQL queries pythonically.
• NoSQL Databases
  • django-mongodb-engine - Django MongoDB Backend.
  • flywheel - Object mapper for Amazon DynamoDB.
  • hot-redis - Rich Python data types for Redis.
  • MongoEngine - A Python Object-Document-Mapper for working with MongoDB.
  • PynamoDB - A Pythonic interface for Amazon DynamoDB.
  • redisco - A Python Library for Simple Models and Containers Persisted in Redis.
• Others
  • butterdb - A Python ORM for Google Drive Spreadsheets.
  • dataset - A JSON-based database.

Libraries for package and dependency management.

• pip - The Python package and dependency manager.
  • Python Package Index
• conda - Cross-platform, Python-agnostic binary package manager.

Local PyPI repository server and proxies.

• warehouse - Next generation Python Package Repository (PyPI).
  • Warehouse
• bandersnatch - PyPI mirroring tool provided by Python Packaging Authority (PyPA).
• devpi - PyPI server and packaging/testing/release tool.
• localshop - Local PyPI server (custom packages and auto-mirroring of pypi).

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

• Carteblanche - Module to align code with thoughts of users and designers. Also magically handles navigation and permissions.
• django-guardian - Implementation of per object permissions for Django 1.2+
• django-rules - A tiny but powerful app providing object-level permissions to Django, without requiring a database.

Libraries for starting and communicating with OS processes.

• sh - A full-fledged subprocess replacement for Python.
• envoy - Python subprocess for Humans™.

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 for developing RESTful APIs.

• Django
  • django-formapi - Create JSON APIs with Django's form validation.
  • django-rest-framework - A powerful and flexible toolkit to build web APIs.
  • django-tastypie - Creating delicious APIs for Django apps.
• Flask
  • eve - REST API framework powered by Flask, MongoDB and good intentions.
  • flask-api-utils - Taking care of API representation and authentication for Flask.
  • flask-api - Browsable Web APIs for Flask.
  • flask-restful - Quickly building REST APIs for Flask.
  • flask-restless - Generating RESTful APIs for database models defined with SQLAlchemy.
• Pyramid
  • cornice - A RESTful framework for Pyramid.
• Framework agnostic
  • falcon - A high-performance framework for building cloud APIs and web app backends.
  • hug - A Python3 framework for cleanly exposing APIs over HTTP and the Command Line with automatic documentation and validation.
  • restless - Framework agnostic REST framework based on lessons learned from Tastypie.
  • ripozo - Quickly creating REST/HATEOAS/Hypermedia APIs.
  • sandman - Automated REST APIs for existing database-driven systems.

RPC-compatible servers.

Libraries for scientific computing.

• NumPy - A fundamental package for scientific computing with Python.
• SciPy - A Python-based ecosystem of open-source software for mathematics, science, and engineering.
• statsmodels - Statistical modeling and econometrics in Python.
• SymPy - A Python library for symbolic mathematics.
• Zipline - A Pythonic algorithmic trading library.

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

• django-haystack - Modular search for Django.
• elasticsearch-dsl-py - The official high-level Python client for Elasticsearch.
• elasticsearch-py - The official low-level Python client for Elasticsearch.
• esengine - ElasticSearch ODM (Object Document Mapper) for Python.
• solrpy - A Python client for solr.
• Whoosh - A fast, pure Python search engine library.

Libraries for serializing complex data types

• marshmallow - marshmallow is an ORM/ODM/framework-agnostic library for converting complex datatypes, such as objects, to and from native Python datatypes.

Frameworks for developing serverless Python code.

Libraries for parsing and manipulating specific text formats.

• General
  • tablib - A module for Tabular Datasets in XLS, CSV, JSON, YAML.
• Office
  • Marmir - Takes Python data structures and turns them into spreadsheets.
  • openpyxl - A library for reading and writing Excel 2010 xlsx/xlsm/xltx/xltm files.
  • pyexcel - Providing one API for reading, manipulating and writing csv, ods, xls, xlsx and xlsm files.
  • python-docx - Reads, queries and modifies Microsoft Word 2007/2008 docx files.
  • relatorio - Templating OpenDocument files.
  • unoconv - Convert between any document format supported by LibreOffice/OpenOffice.
  • 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.
  • xlwt / xlrd - Writing and reading data and formatting information from Excel files.
• PDF
  • PDFMiner - A tool for extracting information from PDF documents.
  • PyPDF2 - A library capable of splitting, merging and transforming PDF pages.
  • ReportLab - Allowing Rapid creation of rich PDF documents.
• Markdown
  • Mistune - Fastest and full featured pure Python parsers of Markdown.
  • Python-Markdown - A Python implementation of John Gruber’s 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.

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

Libraries for tagging items.

• django-taggit - Simple tagging for Django.

Libraries and tools for templating and lexing.

• Jinja2 - A modern and designer friendly templating language.

Libraries for testing codebases and generating test data.

• Testing Frameworks
  • hypothesis - Hypothesis is an advanced Quickcheck style property based testing library.
  • nose2 - The successor to nose, based on unittest2.
• GUI / Web Testing
  • locust - Scalable user load testing tool written in Python.
  • PyAutoGUI - PyAutoGUI is a cross-platform GUI automation Python module for human beings.
  • Selenium - Python bindings for Selenium WebDriver.
  • sixpack - A language-agnostic A/B Testing framework.
  • splinter - Open source tool for testing web applications.
• Mock
  • doublex - Powerful test doubles framework for Python.
  • freezegun - Travel through time by mocking the datetime module.
  • httmock - A mocking library for requests for Python 2.6+ and 3.2+.
  • httpretty - HTTP request mock tool for Python.
  • mock - (Python standard library) A mocking and patching library.
  • responses - A utility library for mocking out the requests Python library.
  • VCR.py - Record and replay HTTP interactions on your tests.
• Object Factories
  • factory_boy - A test fixtures replacement for Python.
  • mixer - Another fixtures replacement. Supported Django, Flask, SQLAlchemy, Peewee and etc.
  • model_mommy - Creating random fixtures for testing in Django.
• Code Coverage
  • coverage - Code coverage measurement.
• Fake Data
  • faker - A Python package that generates fake data.
• 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 for parsing and manipulating plain texts.

• General
  • chardet - Python 2/3 compatible character encoding detector.
  • difflib - (Python standard library) Helpers for computing deltas.
  • ftfy - Makes Unicode text less broken and more consistent automagically.
  • fuzzywuzzy - Fuzzy String Matching.
  • Levenshtein - Fast computation of Levenshtein distance and string similarity.
  • pangu.py - Spacing texts for CJK and alphanumerics.
  • pyfiglet - An implementation of figlet written in Python.
  • shortuuid - A generator library for concise, unambiguous and URL-safe UUIDs.
  • unidecode - ASCII transliterations of Unicode text.
  • uniout - Print readable chars instead of the escaped string.
  • xpinyin - A library to translate Chinese hanzi (漢字) to pinyin (拼音).
• 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
  • python-nameparser - Parsing human names into their individual components.
  • python-user-agents - Browser user agent parser.

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

• apache-libcloud - One Python library for all clouds.
• boto3 - Python interface to Amazon Web Services.
• django-wordpress - WordPress models and views for Django.
• 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.
• google-api-python-client - Google APIs Client Library for Python.
• gspread - Google Spreadsheets Python API.
• twython - A Python wrapper for the Twitter API.

Libraries for parsing URLs.

Libraries for manipulating video and GIFs.

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

WSGI-compatible web servers.

Libraries for extracting web contents.

Libraries for scraping websites.

• MechanicalSoup - A Python library for automating interaction with websites.
• portia - Visual scraping for Scrapy.
• RoboBrowser - A simple, Pythonic library for browsing the web without a standalone web browser.

Full stack web frameworks.

• Django - The most popular web framework in Python.
  • awesome-django
• Flask - A microframework for Python.
  • awesome-flask

Libraries for working with WebSocket.

• WebSocket-for-Python - WebSocket client and server library for Python 2 and 3 as well as PyPy.

Online tools and APIs to simplify development.

See: awesome-CIandCD.

• CircleCI - A CI service that can run very fast parallel testing. (GitHub only)

• Codacy - Automated Code Review to ship better code, faster. Free for Open Source.

• reflectacm - High Peformance reflection
• reflections - High Peformance reflection

• metrics - app metrics in details
• reactive jvm - reactive jvm

• JNR - Work with native libraries without writing JNI. Also provides interfaces to common system libraries.
• JNA - Work with native libraries without writing JNI. Also provides interfaces to common system libraries.
• JNC - Provides efficient and easy access to native C++.