Awesome Python

Admin Panels

Libraries for administrative interfaces.

  • ajenti - The admin panel your servers deserve.

  • django-grappelli - A jazzy skin for the Django Admin-Interface.

  • django-jet - Modern responsive template for the Django admin interface with improved functionality.

  • 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.

  • jet-bridge - Admin panel framework for any application with nice UI (ex Jet Django)

  • flask-admin - Simple and extensible administrative interface framework for Flask.

  • flower - Real-time monitor and web admin for Celery.

  • wooey - A Django app which creates automatic web UIs for Python scripts.

Algorithms and Design Patterns

Python implementation of algorithms and design patterns.

  • algorithms - Minimal examples of data structures and algorithms in Python.

  • PyPattyrn - A simple yet effective library for implementing common design patterns.

  • python-patterns - A collection of design patterns in Python.

  • sortedcontainers - Fast, pure-Python implementation of SortedList, SortedDict, and SortedSet types.

ASGI Servers

ASGI-compatible web servers.

  • uvicorn - Uvicorn is a lightning-fast ASGI server implementation, using uvloop and httptools.

Asynchronous Programming

  • asyncio - (Python standard library) Asynchronous I/O, event loop, coroutines and tasks.

  • uvloop - Ultra fast asyncio event loop.

  • Twisted - An event-driven networking engine.

Audio

Libraries for manipulating audio and its metadata.

  • Audio

    • audioread - Cross-library (GStreamer + Core Audio + MAD + FFmpeg) audio decoding.

    • dejavu - Audio fingerprinting and recognition.

    • mingus - An advanced music theory and notation package with MIDI file and playback support.

    • pyAudioAnalysis - Audio feature extraction, classification, segmentation and applications.

    • pydub - Manipulate audio with a simple and easy high level interface.

    • TimeSide - Open web audio processing framework.

  • Metadata

    • beets - A music library manager and MusicBrainz tagger.

    • eyeD3 - A tool for working with audio files, specifically MP3 files containing ID3 metadata.

    • mutagen - A Python module to handle audio metadata.

    • tinytag - A library for reading music meta data of MP3, OGG, FLAC and Wave files.

Authentication

Libraries for implementing authentications schemes.

  • OAuth

    • authlib - JavaScript Object Signing and Encryption draft implementation.

    • django-allauth - Authentication app for Django that "just works."

    • django-oauth-toolkit - OAuth 2 goodies for Django.

    • oauthlib - A generic and thorough implementation of the OAuth request-signing logic.

    • python-oauth2 - A fully tested, abstract interface to creating OAuth clients and servers.

    • python-social-auth - An easy-to-setup social authentication mechanism.

  • JWT

    • pyjwt - JSON Web Token implementation in Python.

    • python-jose - A JOSE implementation in Python.

    • python-jwt - A module for generating and verifying JSON Web Tokens.

Build Tools

Compile software from source code.

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

  • buildout - A build system for creating, assembling and deploying applications from multiple parts.

  • PlatformIO - A console tool to build code with different development platforms.

  • pybuilder - A continuous build tool written in pure Python.

  • SCons - A software construction tool.

Built-in Classes Enhancement

Libraries for enhancing Python built-in classes.

  • dataclasses - (Python standard library) Data classes.

  • attrs - Replacement for __init__, __eq__, __repr__, etc. boilerplate in class definitions.

  • bidict - Efficient, Pythonic bidirectional map data structures and related functionality..

  • Box - Python dictionaries with advanced dot notation access.

  • DottedDict - A library that provides a method of accessing lists and dicts with a dotted path notation.

CMS

Content Management Systems.

  • wagtail - A Django content management system.

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

  • feincms - One of the most advanced Content Management Systems built on Django.

  • Kotti - A high-level, Pythonic web application framework built on Pyramid.

  • mezzanine - A powerful, consistent, and flexible content management platform.

  • plone - A CMS built on top of the open source application server Zope.

  • quokka - Flexible, extensible, small CMS powered by Flask and MongoDB.

Caching

Libraries for caching data.

  • beaker - A WSGI middleware for sessions and caching.

  • django-cache-machine - Automatic caching and invalidation for Django models.

  • django-cacheops - A slick ORM cache with automatic granular event-driven invalidation.

  • 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.

  • pylibmc - A Python wrapper around the libmemcached interface.

  • python-diskcache - SQLite and file backed cache backend with faster lookups than memcached and redis.

ChatOps Tools

Libraries for chatbot development.

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

Code Analysis

Tools of static analysis, linters and code quality checkers. Also see awesome-static-analysis.

  • Code Analysis

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

    • code2flow - Turn your Python and JavaScript code into DOT flowcharts.

    • prospector - A tool to analyse Python code.

    • pycallgraph - A library that visualises the flow (call graph) of your Python application.

    • vulture - A tool for finding and analysing dead Python code.

  • Code Linters

  • Code Formatters

    • black - The uncompromising Python code formatter.

    • yapf - Yet another Python code formatter from Google.

  • Static Type Checkers, also see awesome-python-typing

    • mypy - Check variable types during compile time.

    • pyre-check - Performant type checking.

  • Static Type Annotations Generators

    • MonkeyType - A system for Python that generates static type annotations by collecting runtime types

Command-line Interface Development

Libraries for building command-line applications.

  • Command-line Application Development

    • cement - CLI Application Framework for Python.

    • click - A package for creating beautiful command line interfaces in a composable way.

    • cliff - A framework for creating command-line programs with multi-level commands.

    • clint - Python Command-line Application Tools.

    • docopt - Pythonic command line arguments parser.

    • python-fire - A library for creating command line interfaces from absolutely any Python object.

    • python-prompt-toolkit - A library for building powerful interactive command lines.

  • Terminal Rendering

    • asciimatics - A package to create full-screen text UIs (from interactive forms to ASCII animations).

    • bashplotlib - Making basic plots in the terminal.

    • colorama - Cross-platform colored terminal text.

    • tqdm - Fast, extensible progress bar for loops and CLI.

Command-line Tools

Useful CLI-based tools for productivity.

  • Productivity Tools

    • cookiecutter - A command-line utility that creates projects from cookiecutters (project templates).

    • doitlive - A tool for live presentations in the terminal.

    • howdoi - Instant coding answers via the command line.

    • PathPicker - Select files out of bash output.

    • percol - Adds flavor of interactive selection to the traditional pipe concept on UNIX.

    • thefuck - Correcting your previous console command.

    • tmuxp - A tmux session manager.

    • try - A dead simple CLI to try out python packages - it's never been easier.

  • CLI Enhancements

    • httpie - A command line HTTP client, a user-friendly cURL replacement.

    • kube-shell - An integrated shell for working with the Kubernetes CLI.

    • mycli - A Terminal Client for MySQL with AutoCompletion and Syntax Highlighting.

    • pgcli - Postgres CLI with autocompletion and syntax highlighting.

    • saws - A Supercharged aws-cli.

Compatibility

Libraries for migrating from Python 2 to 3.

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

  • python-modernize - Modernizes Python code for eventual Python 3 migration.

  • six - Python 2 and 3 compatibility utilities.

Computer Vision

Libraries for computer vision.

Concurrency and Parallelism

Libraries for concurrent and parallel execution. Also see awesome-asyncio.

  • concurrent.futures - (Python standard library) A high-level interface for asynchronously executing callables.

  • multiprocessing - (Python standard library) Process-based parallelism.

  • eventlet - Asynchronous framework with WSGI support.

  • gevent - A coroutine-based Python networking library that uses greenlet.

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

  • scoop - Scalable Concurrent Operations in Python.

Configuration

Libraries for storing and parsing configuration options.

  • configobj - INI file parser with validation.

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

  • profig - Config from multiple formats with value conversion.

  • python-decouple - Strict separation of settings from code.

Cryptography

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

  • paramiko - The leading native Python SSHv2 protocol library.

  • passlib - Secure password storage/hashing library, very high level.

  • pynacl - Python binding to the Networking and Cryptography (NaCl) library.

Data Analysis

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.

  • Optimus - Agile Data Science Workflows made easy with PySpark.

Data Validation

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

  • Cerberus - A lightweight and extensible data validation library.

  • colander - Validating and deserializing data obtained via XML, JSON, an HTML form post.

  • jsonschema - An implementation of JSON Schema for Python.

  • schema - A library for validating Python data structures.

  • Schematics - Data Structure Validation.

  • valideer - Lightweight extensible data validation and adaptation library.

  • voluptuous - A Python data validation library.

Data Visualization

Libraries for visualizing data. Also see awesome-javascript.

  • Altair - Declarative statistical visualization library for Python.

  • Bokeh - Interactive Web Plotting for Python.

  • bqplot - Interactive Plotting Library for the Jupyter Notebook

  • Dash - Built on top of Flask, React and Plotly aimed at analytical web applications.

  • plotnine - A grammar of graphics for Python based on ggplot2.

  • Matplotlib - A Python 2D plotting library.

  • Pygal - A Python SVG Charts Creator.

  • PyGraphviz - Python interface to Graphviz.

  • PyQtGraph - Interactive and realtime 2D/3D/Image plotting and science/engineering widgets.

  • Seaborn - Statistical data visualization using Matplotlib.

  • VisPy - High-performance scientific visualization based on OpenGL.

Database

Databases implemented in Python.

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

  • tinydb - A tiny, document-oriented database.

  • ZODB - A native object database for Python. A key-value and object graph database.

Database Drivers

Libraries for connecting and operating databases.

  • MySQL - awesome-mysql

  • PostgreSQL - awesome-postgres

    • psycopg2 - The most popular PostgreSQL adapter for Python.

    • queries - A wrapper of the psycopg2 library for interacting with PostgreSQL.

  • Other Relational Databases

    • pymssql - A simple database interface to Microsoft SQL Server.

    • SuperSQLite - A supercharged SQLite library built on top of apsw.

  • NoSQL Databases

    • cassandra-driver - The Python Driver for Apache Cassandra.

    • happybase - A developer-friendly library for Apache HBase.

    • kafka-python - The Python client for Apache Kafka.

    • py2neo - A client library and toolkit for working with Neo4j.

    • pymongo - The official Python client for MongoDB.

    • redis-py - The Python client for Redis.

  • Asynchronous Clients

    • motor - The async Python driver for MongoDB.

Date and Time

Libraries for working with dates and times.

  • 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.

  • moment - A Python library for dealing with dates/times. Inspired by Moment.js.

  • Pendulum - Python datetimes made easy.

  • PyTime - An easy-to-use Python module which aims to operate date/time/datetime by string.

  • pytz - World timezone definitions, modern and historical. Brings the tz database into Python.

  • when.py - Providing user-friendly functions to help perform common date and time actions.

  • maya - Datetimes for Humans.

Debugging Tools

Libraries for debugging code.

  • pdb-like Debugger

    • ipdb - IPython-enabled pdb.

    • pdb++ - Another drop-in replacement for pdb.

    • pudb - A full-screen, console-based Python debugger.

    • wdb - An improbable web debugger through WebSockets.

  • Tracing

    • lptrace - strace for Python programs.

    • manhole - Debugging UNIX socket connections and present the stacktraces for all threads and an interactive prompt.

    • pyringe - Debugger capable of attaching to and injecting code into Python processes.

    • python-hunter - A flexible code tracing toolkit.

  • Profiler

  • Others

    • icecream - Inspect variables, expressions, and program execution with a single, simple function call.

    • 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.

    • pyelftools - Parsing and analyzing ELF files and DWARF debugging information.

Deep Learning

Frameworks for Neural Networks and Deep Learning. Also see awesome-deep-learning.

  • caffe - A fast open framework for deep learning..

  • keras - A high-level neural networks library and capable of running on top of either TensorFlow or Theano.

  • mxnet - A deep learning framework designed for both efficiency and flexibility.

  • pytorch - Tensors and Dynamic neural networks in Python with strong GPU acceleration.

  • SerpentAI - Game agent framework. Use any video game as a deep learning sandbox.

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

  • Theano - A library for fast numerical computation.

DevOps Tools

Software and libraries for DevOps.

  • ansible - A radically simple IT automation platform.

  • cloudinit - A multi-distribution package that handles early initialization of a cloud instance.

  • cuisine - Chef-like functionality for Fabric.

  • docker-compose - Fast, isolated development environments using Docker.

  • fabric - A simple, Pythonic tool for remote execution and deployment.

  • fabtools - Tools for writing awesome Fabric files.

  • honcho - A Python clone of Foreman, for managing Procfile-based applications.

  • 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.

  • saltstack - Infrastructure automation and management system.

  • supervisor - Supervisor process control system for UNIX.

Distributed Computing

Frameworks and libraries for Distributed Computing.

  • Batch Processing

    • PySpark - Apache Spark Python API.

    • dask - A flexible parallel computing library for analytic computing.

    • luigi - A module that helps you build complex pipelines of batch jobs.

    • mrjob - Run MapReduce jobs on Hadoop or Amazon Web Services.

    • Ray - A system for parallel and distributed Python that unifies the machine learning ecosystem.

  • Stream Processing

Distribution

Libraries to create packaged executables for release distribution.

  • dh-virtualenv - Build and distribute a virtualenv as a Debian package.

  • Nuitka - Compile scripts, modules, packages to an executable or extension module.

  • py2app - Freezes Python scripts (Mac OS X).

  • py2exe - Freezes Python scripts (Windows).

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

  • pynsist - A tool to build Windows installers, installers bundle Python itself.

Documentation

Libraries for generating project documentation.

  • sphinx - Python Documentation generator.

  • pdoc - Epydoc replacement to auto generate API documentation for Python libraries.

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

Downloader

Libraries for downloading.

  • s3cmd - A command line tool for managing Amazon S3 and CloudFront.

  • 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.

E-commerce

Frameworks and libraries for e-commerce and payments.

  • alipay - Unofficial Alipay API for Python.

  • Cartridge - A shopping cart app built using the Mezzanine.

  • 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.

  • python-currencies - Display money format and its filthy currencies.

  • forex-python - Foreign exchange rates, Bitcoin price index and currency conversion.

  • saleor - An e-commerce storefront for Django.

  • shoop - An open source E-Commerce platform based on Django.

Editor Plugins and IDEs

  • 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 - The official VSCode extension with rich support for Python.

  • IDE

    • PyCharm - Commercial Python IDE by JetBrains. Has free community edition available.

    • spyder - Open Source Python IDE.

Email

Libraries for sending and parsing email.

  • envelopes - Mailing for human beings.

  • flanker - An email address and Mime parsing library.

  • imbox - Python IMAP for Humans.

  • inbox.py - Python SMTP Server for Humans.

  • lamson - Pythonic SMTP Application Server.

  • Marrow Mailer - High-performance extensible mail delivery framework.

  • modoboa - A mail hosting and management platform including a modern and simplified Web UI.

  • Nylas Sync Engine - Providing a RESTful API on top of a powerful email sync platform.

  • yagmail - Yet another Gmail/SMTP client.

Environment Management

Libraries for Python version and virtual environment management.

  • pyenv - Simple Python version management.

  • virtualenv - A tool to create isolated Python environments.

Files

Libraries for file manipulation and MIME type detection.

  • mimetypes - (Python standard library) Map filenames to MIME types.

  • path.py - A module wrapper for os.path.

  • pathlib - (Python standard library) An cross-platform, object-oriented path library.

  • PyFilesystem2 - Python's filesystem abstraction layer.

  • python-magic - A Python interface to the libmagic file type identification library.

  • Unipath - An object-oriented approach to file/directory operations.

  • watchdog - API and shell utilities to monitor file system events.

Foreign Function Interface

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.

Forms

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-bootstrap4 - Bootstrap 4 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

Functional Programming with Python.

  • Coconut - Coconut is a variant of Python built for simple, elegant, Pythonic functional programming.

  • CyToolz - Cython implementation of Toolz: High performance functional utilities.

  • 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.

GUI Development

Libraries for working with graphical user interface applications.

  • curses - Built-in wrapper for ncurses used to create terminal GUI applications.

  • Eel - A library for making simple Electron-like offline HTML/JS GUI apps.

  • enaml - Creating beautiful user-interfaces with Declarative Syntax like QML.

  • Flexx - Flexx is a pure Python toolkit for creating GUI's, that uses web technology for its rendering.

  • Gooey - Turn command line programs into a full GUI application with one line.

  • kivy - A library for creating NUI applications, running on Windows, Linux, Mac OS X, Android and iOS.

  • pyglet - A cross-platform windowing and multimedia library for Python.

  • PyGObject - Python Bindings for GLib/GObject/GIO/GTK+ (GTK+3).

  • PyQt - Python bindings for the Qt cross-platform application and UI framework.

  • PySimpleGUI - Wrapper for tkinter, Qt, WxPython and Remi.

  • pywebview - A lightweight cross-platform native wrapper around a webview component.

  • Tkinter - Tkinter is Python's de-facto standard GUI package.

  • Toga - A Python native, OS native GUI toolkit.

  • urwid - A library for creating terminal GUI applications with strong support for widgets, events, rich colors, etc.

  • wxPython - A blending of the wxWidgets C++ class library with the Python.

GraphQL

Libraries for working with GraphQL.

  • tartiflette - SDL-first GraphQL engine implementation for Python 3.6+ and asyncio.

  • tartiflette-aiohttp - An aiohttp-based wrapper for Tartiflette to expose GraphQL APIs over HTTP.

  • tartiflette-asgi - ASGI support for the Tartiflette GraphQL engine.

Game Development

Awesome game development libraries.

  • Cocos2d - cocos2d is a framework for building 2D games, demos, and other graphical/interactive applications.

  • Harfang3D - Python framework for 3D, VR and game development.

  • Panda3D - 3D game engine developed by Disney.

  • 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.

  • PySDL2 - A ctypes based wrapper for the SDL2 library.

  • RenPy - A Visual Novel engine.

Geolocation

Libraries for geocoding addresses and working with latitudes and longitudes.

  • django-countries - A Django app that provides a country field for models and forms.

  • 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.

HTML Manipulation

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.

HTTP Clients

Libraries for working with HTTP.

  • grequests - requests + gevent for asynchronous HTTP requests.

  • httplib2 - Comprehensive HTTP client library.

  • requests - HTTP Requests for Humans.

  • treq - Python requests like API built on top of Twisted's HTTP client.

  • urllib3 - A HTTP library with thread-safe connection pooling, file post support, sanity friendly.

Hardware

Libraries for programming with hardware.

  • ino - Command line toolkit for working with Arduino.

  • keyboard - Hook and simulate global keyboard events on Windows and Linux.

  • mouse - Hook and simulate global mouse events on Windows and Linux.

  • Pingo - Pingo provides a uniform API to program devices like the Raspberry Pi, pcDuino, Intel Galileo, etc.

  • 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.

Image Processing

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

Implementations of Python.

  • CPython - Default, most widely used implementation of the Python programming language written in C.

  • Cython - Optimizing Static Compiler for Python.

  • CLPython - Implementation of the Python programming language written in Common Lisp.

  • Grumpy - More compiler than interpreter as more powerful CPython2.7 replacement (alpha).

  • IronPython - Implementation of the Python programming language written in C#.

  • Jython - Implementation of Python programming language written in Java for the JVM.

  • MicroPython - A lean and efficient Python programming language implementation.

  • Numba - Python JIT compiler to LLVM aimed at scientific Python.

  • PeachPy - x86-64 assembler embedded in Python.

  • Pyjion - A JIT for Python based upon CoreCLR.

  • PyPy - A very fast and compliant implementation of the Python language.

  • Pyston - A Python implementation using JIT techniques.

  • Stackless Python - An enhanced version of the Python programming language.

Interactive Interpreter

Interactive Python interpreters (REPL).

Internationalization

Libraries for working with i18n.

  • Babel - An internationalization library for Python.

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

Job Scheduler

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.

  • Airflow - Airflow is a platform to programmatically author, schedule and monitor workflows.

Logging

Libraries for generating and working with logs.

  • Eliot - Logging for complex & distributed systems.

  • logbook - Logging replacement for Python.

  • logging - (Python standard library) Logging facility for Python.

  • raven - Python client for Sentry, a log/error tracking, crash reporting and aggregation platform for web applications.

Machine Learning

Libraries for Machine Learning. Also see awesome-machine-learning.

  • H2O - Open Source Fast Scalable Machine Learning Platform.

  • Metrics - Machine learning evaluation metrics.

  • NuPIC - Numenta Platform for Intelligent Computing.

  • scikit-learn - The most popular Python library for Machine Learning.

  • Spark ML - Apache Spark's scalable Machine Learning library.

  • vowpal_porpoise - A lightweight Python wrapper for Vowpal Wabbit.

  • xgboost - A scalable, portable, and distributed gradient boosting library.

Microsoft Windows

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.

Miscellaneous

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

  • blinker - A fast Python in-process signal/event dispatching system.

  • boltons - A set of pure-Python utilities.

  • itsdangerous - Various helpers to pass trusted data to untrusted environments.

  • pluginbase - A simple but flexible plugin system for Python.

  • tryton - A general purpose business framework.

Natural Language Processing

Libraries for working with human languages.

  • General

    • gensim - Topic Modeling for Humans.

    • 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.

    • polyglot - Natural language pipeline supporting hundreds of languages.

    • pytext - A natural language modeling framework based on PyTorch.

    • PyTorch-NLP - A toolkit enabling rapid deep learning NLP prototyping for research.

    • spacy - A library for industrial-strength natural language processing in Python and Cython.

    • stanfordnlp - The Stanford NLP Group's official Python library, supporting 50+ languages.

  • Chinese

    • jieba - The most popular Chinese text segmentation library.

    • pkuseg-python - A toolkit for Chinese word segmentation in various domains.

    • snownlp - A library for processing Chinese text.

    • funNLP - A collection of tools and datasets for Chinese NLP.

Network Virtualization

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

  • mininet - A popular network emulator and API written in Python.

  • napalm - Cross-vendor API to manipulate network devices.

  • pox - A Python-based SDN control applications, such as OpenFlow SDN controllers.

News Feed

Libraries for building user's activities.

ORM

Libraries that implement Object-Relational Mapping or data mapping techniques.

  • Relational Databases

    • Django Models - The Django ORM.

    • SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper.

    • dataset - Store Python dicts in a database - works with SQLite, MySQL, and PostgreSQL.

    • orator - The Orator ORM provides a simple yet beautiful ActiveRecord implementation.

    • orm - An async ORM.

    • peewee - A small, expressive ORM.

    • pony - ORM that provides a generator-oriented interface to SQL.

    • pydal - A pure Python Database Abstraction Layer.

  • NoSQL Databases

Package Management

Libraries for package and dependency management.

  • pip - The package installer for Python.

    • PyPI

    • pip-tools - A set of tools to keep your pinned Python dependencies fresh.

  • poetry - Python dependency management and packaging made easy.

  • conda - Cross-platform, Python-agnostic binary package manager.

Package Repositories

Local PyPI repository server and proxies.

  • warehouse - Next generation Python Package Repository (PyPI).

  • 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).

Permissions

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

  • 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.

Processes

Libraries for starting and communicating with OS processes.

Recommender Systems

Libraries for building recommender systems.

  • annoy - Approximate Nearest Neighbors in C++/Python optimized for memory usage.

  • fastFM - A library for Factorization Machines.

  • implicit - A fast Python implementation of collaborative filtering for implicit datasets.

  • libffm - A library for Field-aware Factorization Machine (FFM).

  • lightfm - A Python implementation of a number of popular recommendation algorithms.

  • spotlight - Deep recommender models using PyTorch.

  • Surprise - A scikit for building and analyzing recommender systems.

  • tensorrec - A Recommendation Engine Framework in TensorFlow.

Refactoring

Refactoring tools and libraries for Python

  • Bicycle Repair Man - Bicycle Repair Man, a refactoring tool for Python.

  • Bowler - Safe code refactoring for modern Python.

  • Rope - Rope is a python refactoring library.

RESTful API

Libraries for building RESTful APIs.

  • Django

  • Flask

    • eve - REST API framework powered by Flask, MongoDB and good intentions.

    • flask-api - Browsable Web APIs for Flask.

    • flask-restful - Quickly building REST APIs for Flask.

  • Pyramid

    • cornice - A RESTful framework for Pyramid.

  • Framework agnostic

    • apistar - A smart Web API framework, designed for Python 3.

    • falcon - A high-performance framework for building cloud APIs and web app backends.

    • fastapi - A modern, fast, web framework for building APIs with Python 3.6+ based on standard Python type hints.

    • hug - A Python 3 framework for cleanly exposing APIs.

    • sandman2 - Automated REST APIs for existing database-driven systems.

    • sanic - A Python 3.6+ web server and web framework that's written to go fast.

    • vibora - Fast, efficient and asynchronous Web framework inspired by Flask.

Robotics

Libraries for robotics.

  • PythonRobotics - This is a compilation of various robotics algorithms with visualizations.

  • rospy - This is a library for ROS (Robot Operating System).

RPC Servers

RPC-compatible servers.

Science

Libraries for scientific computing. Also see Python-for-Scientists

  • astropy - A community Python library for Astronomy.

  • bcbio-nextgen - Providing best-practice pipelines for fully automated high throughput sequencing analysis.

  • bccb - Collection of useful code related to biological analysis.

  • Biopython - Biopython is a set of freely available tools for biological computation.

  • cclib - A library for parsing and interpreting the results of computational chemistry packages.

  • Colour - Implementing a comprehensive number of colour theory transformations and algorithms.

  • NetworkX - A high-productivity software for complex networks.

  • NIPY - A collection of neuroimaging toolkits.

  • NumPy - A fundamental package for scientific computing with Python.

  • Open Babel - A chemical toolbox designed to speak the many languages of chemical data.

  • ObsPy - A Python toolbox for seismology.

  • PyDy - Short for Python Dynamics, used to assist with workflow in the modeling of dynamic motion.

  • PyMC - Markov Chain Monte Carlo sampling toolkit.

  • QuTiP - Quantum Toolbox in Python.

  • RDKit - Cheminformatics and Machine Learning Software.

  • 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.

  • SimPy - A process-based discrete-event simulation framework.

Search

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

Serialization

Libraries for serializing complex data types

Serverless Frameworks

Frameworks for developing serverless Python code.

  • python-lambda - A toolkit for developing and deploying Python code in AWS Lambda.

  • Zappa - A tool for deploying WSGI applications on AWS Lambda and API Gateway.

Specific Formats Processing

Libraries for parsing and manipulating specific text formats.

  • General

    • tablib - A module for Tabular Datasets in XLS, CSV, JSON, YAML.

  • Office

    • 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.

    • python-pptx - Python library for creating and updating PowerPoint (.pptx) 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

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

  • mkdocs - Markdown friendly documentation generator.

  • pelican - Static site generator that supports Markdown and reST syntax.

  • lektor - An easy to use static CMS and blog engine.

  • nikola - A static website and blog generator.

Tagging

Libraries for tagging items.

Task Queues

Libraries for working with task queues.

  • celery - An asynchronous task queue/job queue based on distributed message passing.

  • huey - Little multi-threaded task queue.

  • mrq - A distributed worker task queue in Python using Redis & gevent.

  • rq - Simple job queues for Python.

Template Engine

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.

Testing

Libraries for testing codebases and generating test data.

  • Testing Frameworks

    • pytest - A mature full-featured Python testing tool.

    • hypothesis - Hypothesis is an advanced Quickcheck style property based testing library.

    • nose2 - The successor to nose, based on `unittest2.

    • Robot Framework - A generic test automation framework.

    • unittest - (Python standard library) Unit testing framework.

  • Test Runners

    • green - A clean, colorful test runner.

    • mamba - The definitive testing tool for Python. Born under the banner of BDD.

    • tox - Auto builds and tests distributions in multiple Python versions

  • 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

    • mock - (Python standard library) A mocking and patching library.

    • 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.

    • mocket - A socket mock framework with gevent/asyncio/SSL support.

    • 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

  • Fake Data

    • mimesis - is a Python library that help you generate fake data.

    • fake2db - Fake database generator.

    • faker - A Python package that generates fake data.

    • radar - Generate random datetime / time.

Text Processing

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 - Paranoid text spacing.

    • pyfiglet - An implementation of figlet written in Python.

    • pypinyin - Convert Chinese hanzi (漢字) to pinyin (拼音).

    • textdistance - Compute distance between sequences with 30+ algorithms.

    • unidecode - ASCII transliterations of Unicode text.

  • 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.

  • Unique identifiers

    • hashids - Implementation of hashids in Python.

    • shortuuid - A generator library for concise, unambiguous and URL-safe UUIDs.

  • Parser

    • ply - Implementation of lex and yacc parsing tools for Python.

    • pygments - A generic syntax highlighter.

    • pyparsing - A general purpose framework for generating parsers.

    • python-nameparser - Parsing human names into their individual components.

    • python-phonenumbers - Parsing, formatting, storing and validating international phone numbers.

    • python-user-agents - Browser user agent parser.

    • sqlparse - A non-validating SQL parser.

Third-party APIs

Libraries for accessing third party services APIs. Also see List of Python API Wrappers and Libraries.

URL Manipulation

Libraries for parsing URLs.

  • furl - A small Python library that makes parsing and manipulating URLs easy.

  • purl - A simple, immutable URL class with a clean API for interrogation and manipulation.

  • pyshorteners - A pure Python URL shortening lib.

  • webargs - A friendly library for parsing HTTP request arguments with built-in support for popular web frameworks.

Video

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.

Web Asset Management

Tools for managing, compressing and minifying website assets.

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

  • django-pipeline - An asset packaging library for Django.

  • django-storages - A collection of custom storage back ends for Django.

  • fanstatic - Packages, optimizes, and serves static file dependencies as Python packages.

  • fileconveyor - A daemon to detect and sync files to CDNs, S3 and FTP.

  • flask-assets - Helps you integrate webassets into your Flask app.

  • webassets - Bundles, optimizes, and manages unique cache-busting URLs for static resources.

Web Content Extracting

Libraries for extracting web contents.

  • html2text - Convert HTML to Markdown-formatted text.

  • lassie - Web Content Retrieval for Humans.

  • micawber - A small library for extracting rich content from URLs.

  • newspaper - News extraction, article extraction and content curation in Python.

  • python-readability - Fast Python port of arc90's readability tool.

  • requests-html - Pythonic HTML Parsing for Humans.

  • sumy - A module for automatic summarization of text documents and HTML pages.

  • textract - Extract text from any document, Word, PowerPoint, PDFs, etc.

  • toapi - Every web site provides APIs.

Web Crawling

Libraries to automate web scraping.

  • cola - A distributed crawling framework.

  • feedparser - Universal feed parser.

  • grab - Site scraping framework.

  • MechanicalSoup - A Python library for automating interaction with websites.

  • pyspider - A powerful spider system.

  • robobrowser - A simple, Pythonic library for browsing the web without a standalone web browser.

  • scrapy - A fast high-level screen scraping and web crawling framework.

  • portia - Visual scraping for Scrapy.

Web Frameworks

Traditional full stack web frameworks. Also see RESTful API

WebSocket

Libraries for working with WebSocket.

  • autobahn-python - WebSocket & WAMP for Python on Twisted and asyncio.

  • channels - Developer-friendly asynchrony for Django.

  • websockets - A library for building WebSocket servers and clients with a focus on correctness and simplicity.

WSGI Servers

WSGI-compatible web servers.

  • bjoern - Asynchronous, very fast and written in C.

  • gunicorn - Pre-forked, partly written in C.

  • uWSGI - A project aims at developing a full stack for building hosting services, written in C.

  • waitress - Multi-threaded, powers Pyramid.

  • werkzeug - A WSGI utility library for Python that powers Flask and can easily be embedded into your own projects.

Resources

Where to discover new Python libraries.

Podcasts

Twitter

Websites

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