Awesome Python

A curated list of awesome Python frameworks, libraries, software and resources.

Inspired by awesome-php.

• Awesome Python
  • Admin Panels
  • Algorithms and Design Patterns
  • ASGI Servers
  • Asynchronous Programming
  • Audio
  • Authentication
  • Build Tools
  • Built-in Classes Enhancement
  • Caching
  • ChatOps Tools
  • CMS
  • Code Analysis
  • Command-line Interface Development
  • Command-line Tools
  • Compatibility
  • Computer Vision
  • Concurrency and Parallelism
  • Configuration
  • Cryptography
  • Data Analysis
  • Data Validation
  • Data Visualization
  • Database Drivers
  • Database
  • Date and Time
  • Debugging Tools
  • Deep Learning
  • DevOps Tools
  • Distributed Computing
  • Distribution
  • Documentation
  • Downloader
  • E-commerce
  • Editor Plugins and IDEs
  • Email
  • Environment Management
  • Files
  • Foreign Function Interface
  • Forms
  • Functional Programming
  • Game Development
  • Geolocation
  • GUI Development
  • Hardware
  • HTML Manipulation
  • HTTP Clients
  • Image Processing
  • Implementations
  • Interactive Interpreter
  • Internationalization
  • Job Scheduler
  • Logging
  • Machine Learning
  • Miscellaneous
  • Natural Language Processing
  • Network Virtualization
  • News Feed
  • ORM
  • Package Management
  • Package Repositories
  • Permissions
  • Processes
  • Recommender Systems
  • Refactoring
  • RESTful API
  • Robotics
  • RPC Servers
  • Science
  • Search
  • Serialization
  • Serverless Frameworks
  • Specific Formats Processing
  • Static Site Generator
  • Tagging
  • Task Queues
  • Template Engine
  • Testing
  • Text Processing
  • Third-party APIs
  • URL Manipulation
  • Video
  • Web Asset Management
  • Web Content Extracting
  • Web Crawling
  • Web Frameworks
  • WebSocket
  • WSGI Servers
• Resources
  • Podcasts
  • Twitter
  • Websites
  • Weekly
• Contributing

---

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-ds - Clean and simple collection of data structure and algorithms in Python for coding interviews.
• python-patterns - A collection of design patterns in Python.
• sortedcontainers - Fast, pure-Python implementation of SortedList, SortedDict, and SortedSet types.
• transitions - A lightweight, object-oriented finite state machine implementation in Python.

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.
  • awesome-asyncio
• 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.
• indico - A feature-rich event management system, made @ CERN.
• 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
  • flake8 - A wrapper around pycodestyle, pyflakes and McCabe.
    • awesome-flake8-extensions
  • pylint - A fully customizable source code analyzer.
  • pylama - A code audit tool for Python and JavaScript.
  • wemake-python-styleguide - The strictest and most opinionated python linter ever.
• 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.
  • typeshed - Collection of library stubs for Python, with static types.
  • 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.
  • 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.
  • rich - Python library for rich text and beautiful formatting in the terminal. Also provides a great RichHandler log handler.
  • 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.
  • Invoke - A tool for managing shell-oriented subprocesses and organizing executable Python code into CLI-invokable tasks.
  • 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 - MySQL CLI with autocompletion and syntax highlighting.
  • pgcli - PostgreSQL CLI with autocompletion and syntax highlighting.
  • iredis - Redis CLI with autocompletion and syntax highlighting.
  • litecli - SQLite 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.

• Kornia - Open Source Differentiable Computer Vision Library for PyTorch.
• OpenCV - Open Source Computer Vision Library.
• pytesseract - Another wrapper for Google Tesseract OCR.
• tesserocr - A simple, Pillow-friendly, wrapper around the tesseract-ocr API for OCR.
• SimpleCV - An open source framework for building computer vision applications.

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.
  • awesome-dash
• diagrams - Diagram as Code.
• 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
  • mysqlclient - MySQL connector with Python 3 support (mysql-python fork).
  • PyMySQL - A pure Python MySQL driver compatible to mysql-python.
• 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.

• Arrow - A Python library that offers a sensible and human-friendly approach to creating, manipulating, formatting and converting dates, times and timestamps.
• 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
  • line_profiler - Line-by-line profiling.
  • memory_profiler - Monitor Memory usage of Python code.
  • profiling - An interactive Python profiler.
  • py-spy - A sampling profiler for Python programs. Written in Rust.
  • pyflame - A ptracing profiler For Python.
  • vprof - Visual Python 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
  • faust - A stream processing library, porting the ideas from Kafka Streams to Python.
  • streamparse - Run Python code against real-time streams of data via Apache Storm.

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.
• pyarmor - A tool used to obfuscate python scripts, bind obfuscated scripts to fixed machine or expire obfuscated scripts.
• shiv - A command line utility for building fully self-contained zipapps (PEP 441), but with all their dependencies included.

Documentation

Libraries for generating project documentation.

• sphinx - Python Documentation generator.
  • awesome-sphinxdoc
• 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.
• akshare - A financial data interface library, built for human beings!

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.

• Mail Servers
  • modoboa - A mail hosting and management platform including a modern Web UI.
  • salmon - A Python Mail Server.
• Clients
  • imbox - Python IMAP for Humans.
  • yagmail - Yet another Gmail/SMTP client.
• Others
  • flanker - An email address and Mime parsing library.
  • mailer - High-performance extensible mail delivery framework.

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 - A variant of Python built for simple, elegant, Pythonic functional programming.
• fn.py - Functional programming in Python: implementation of missing features to enjoy FP.
• funcy - A fancy and practical functional tools.
• more-itertools - More routines for operating on iterables, beyond itertools.
• returns - A set of type-safe monads, tranformers, and composition utilities.
• Toolz - A collection of functional utilities for iterators, functions, and dictionaries.
• CyToolz - Cython implementation of Toolz: High performance functional utilities.

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.
• httpx - A next generation HTTP client for Python.
• 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).

• 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.
  • awesome-jupyter
• ptpython - Advanced Python REPL built on top of the python-prompt-toolkit.

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.
  • 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.
  • Stanza - The Stanford NLP Group's official Python library, supporting 60+ 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.

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

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.
    • awesome-sqlalchemy
  • 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
  • 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.

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.

• delegator.py - Subprocesses for Humans 2.0.
• sarge - Yet another wrapper for subprocess.
• sh - A full-fledged subprocess replacement for Python.

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
  • 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 - 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.

• zeroRPC - zerorpc is a flexible RPC implementation based on ZeroMQ and MessagePack.
• RPyC (Remote Python Call) - A transparent and symmetric RPC library for Python

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.
• Karate Club - Unsupervised machine learning toolbox for graph structured data.
• 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.

• elasticsearch-py - The official low-level Python client for Elasticsearch.
• elasticsearch-dsl-py - The official high-level Python client for Elasticsearch.
• django-haystack - Modular search for Django.
• pysolr - A lightweight Python wrapper for Apache Solr.
• whoosh - A fast, pure Python search engine library.

Serialization

Libraries for serializing complex data types

• marshmallow - A lightweight library for converting complex objects to and from simple Python datatypes.
• pysimdjson - A Python bindings for simdjson.
• python-rapidjson - A Python wrapper around RapidJSON.
• ultrajson - A fast JSON decoder and encoder written in C with Python bindings.

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.

• django-taggit - Simple tagging for Django.

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
  • coverage - Code coverage measurement.
• 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.

• 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.
• google-api-python-client - Google APIs Client Library for Python.
• gspread - Google Spreadsheets Python API.
• twython - A Python wrapper for the Twitter API.

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.

• vidgear - Most Powerful multi-threaded Video Processing framework.
• 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

• Synchronous
  • Django - The most popular web framework in Python.
    • awesome-django
  • Flask - A microframework for Python.
    • awesome-flask
  • Pyramid - A small, fast, down-to-earth, open source Python web framework.
    • awesome-pyramid
  • Masonite - The modern and developer centric Python web framework.
• Asynchronous
  • Tornado - A web framework and asynchronous networking library.

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

• From Python Import Podcast
• Podcast.init
• Python Bytes
• Python Testing
• Radio Free Python
• Talk Python To Me
• Test and Code
• The Real Python Podcast

Twitter

• @codetengu
• @getpy
• @importpython
• @planetpython
• @pycoders
• @pypi
• @pythontrending
• @PythonWeekly
• @TalkPython
• @realpython

Websites

• /r/CoolGithubProjects
• /r/Python
• Awesome Python @LibHunt
• Django Packages
• Full Stack Python
• Python Cheatsheet
• Python ZEEF
• Python 开发社区
• Real Python
• Trending Python repositories on GitHub today
• Сообщество Python Программистов
• Pythonic News

Weekly

• CodeTengu Weekly 碼天狗週刊
• Import Python Newsletter
• Pycoder's Weekly
• Python Weekly
• Python Tricks

Contributing

Your contributions are always welcome! Please take a look at the contribution guidelines first.

I will keep some pull requests open if I'm not sure whether those libraries are awesome, you could vote for them by adding 👍 to them. Pull requests will be merged when their votes reach 20.

---

If you have any question about this opinionated list, do not hesitate to contact me @vinta on Twitter or open an issue on GitHub.