An opinionated guide to the best Python frameworks, libraries, and tools.
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AI & ML
- AI and Agents
- Deep Learning
- Machine Learning
- Natural Language Processing
- Computer Vision
- Recommender Systems
Web Development
- Web Frameworks
- Web APIs
- Web Servers
- WebSocket
- Template Engines
- Web Asset Management
- Authentication
- Admin Panels
- CMS
- ERP
- Static Site Generators
HTTP & Scraping
Database & Storage
Data & Science
- Data Analysis
- Data Ingestion / ETL
- Data Validation
- Data Visualization
- Geolocation
- Science
- Quantum Computing
Developer Tools
- Algorithms and Design Patterns
- Interactive Interpreter
- Code Analysis
- Testing
- Debugging Tools
- Build Tools
- Documentation
DevOps
- DevOps Tools
- Distributed Computing
- Task Queues
- Messaging
- Job Schedulers
- Logging
- Network Virtualization
CLI & GUI
Text & Documents
Media
Python Language
- Implementations
- Built-in Classes Enhancement
- Functional Programming
- Asynchronous Programming
- Date and Time
Python Toolchain
Security
Other
AI & ML
Libraries for building AI applications, LLM integrations, and autonomous agents.
- Agent Skills
- django-ai-plugins - Django backend agent skills for Django, DRF, Celery, and Django-specific code review.
- sentry-skills - Python-focused engineering skills for code review, debugging, and backend workflows.
- trailofbits-skills - Python-friendly security skills for auditing, testing, and safer backend development.
- Orchestration
- langchain - Building applications with LLMs through composability.
- langgraph - Low-level orchestration framework for building stateful, long-running LLM agents.
- crewai - A framework for orchestrating role-playing autonomous AI agents for collaborative task solving.
- pydantic-ai - A Python agent framework for building generative AI applications with structured schemas.
- Vendor Agent SDKs
- openai-agents - OpenAI's framework for building and managing AI agents.
- claude-agent-sdk - Anthropic's Python SDK for building AI agents on Claude Code's harness — custom tools, in-process MCP servers, hooks.
- Personal Assistants
- hermes-agent - An adaptive personal AI assistant that grows with you.
- Prompt Optimization
- dspy - A framework for programming, not prompting, language models.
- Data Layer
- instructor - A library for extracting structured data from LLMs, powered by Pydantic.
- llama-index - A data framework for your LLM application.
- mem0 - An intelligent memory layer for AI agents enabling personalized interactions.
- Pre-trained Models
- transformers - A framework that lets you easily use pre-trained transformer models for NLP, vision, and audio tasks.
- LLM Inference and Serving
- LLM Gateways
- LiteLLM - Call 100+ LLMs using OpenAI format.
- Image and Video Generation
- diffusers - A library that provides pre-trained diffusion models for generating and editing images, audio, and video.
- Fine-tuning
- unsloth - A library for faster LLM fine-tuning and training with reduced memory usage.
- Speech
- openai-whisper - A general-purpose automatic speech recognition model trained on 680k hours of multilingual and multitask supervised data.
- funasr - Industrial-grade speech recognition toolkit with 170x realtime speed, 50+ languages, speaker diarization, and emotion detection.
- vibevoice - A family of open-source voice AI models from Microsoft for text-to-speech and long-form speech recognition.
- gTTS - Python library and CLI tool for converting text to speech using Google Translate TTS.
- kittentts - Lightweight ONNX text-to-speech library with small CPU-friendly models.
Frameworks for Neural Networks and Deep Learning. Also see awesome-deep-learning.
- Frameworks
- pytorch - Tensors and Dynamic neural networks in Python with strong GPU acceleration.
- tensorflow - The most popular Deep Learning framework created by Google.
- keras - A high-level deep learning library with support for JAX, TensorFlow, and PyTorch backends.
- jax - A library for high-performance numerical computing with automatic differentiation and JIT compilation.
- pytorch-lightning - Deep learning framework to train, deploy, and ship AI products Lightning fast.
- Reinforcement Learning
- gymnasium - A standard API for reinforcement learning environments with popular reference environments (gym successor).
- stable-baselines3 - PyTorch implementations of Stable Baselines (deep) reinforcement learning algorithms.
Libraries for Machine Learning. Also see awesome-machine-learning.
- General
- scikit-learn - The most popular Python library for Machine Learning with extensive documentation and community support.
- pgmpy - A Python library for probabilistic graphical models and Bayesian networks.
- feature-engine - sklearn compatible API with the widest toolset for feature engineering and selection.
- Gradient Boosting
- Time Series Forecasting
- timesfm - A pretrained foundation model from Google Research for time-series forecasting.
Libraries for working with human languages.
- General
- nltk - A leading platform for building Python programs to work with human language data.
- spacy - A library for industrial-strength natural language processing in Python and Cython.
- gensim - Topic Modeling for Humans.
- stanza - The Stanford NLP Group's official Python library, supporting 60+ languages.
- Chinese
Libraries for Computer Vision.
- General
- opencv-python - Open Source Computer Vision Library.
- ultralytics - Ultralytics YOLO for object detection, segmentation, pose estimation, and classification with state-of-the-art accuracy and speed.
- kornia - Open Source Differentiable Computer Vision Library for PyTorch.
- fiftyone - The open-source tool for building high-quality datasets and computer vision models.
- OCR
- pytesseract - A wrapper for Google Tesseract OCR.
- easyocr - Ready-to-use OCR with 40+ languages supported.
Libraries for building recommender systems.
- annoy - Approximate Nearest Neighbors in C++/Python optimized for memory usage.
- implicit - A fast Python implementation of collaborative filtering for implicit datasets.
- scikit-surprise - A scikit for building and analyzing recommender systems.
Web Development
Traditional full stack web frameworks. Also see Web APIs.
- Synchronous
- flask - A microframework for Python.
- django - The most popular web framework in Python.
- bottle - A fast and simple micro-framework distributed as a single file with no dependencies.
- pyramid - A small, fast, down-to-earth, open source Python web framework.
- fasthtml - The fastest way to create an HTML app.
- Asynchronous
- starlette - A lightweight ASGI framework and toolkit for building high-performance async services.
- tornado - A web framework and asynchronous networking library.
- litestar - Production-ready, capable and extensible ASGI Web framework.
- reflex - A framework for building reactive, full-stack web applications entirely with Python.
Libraries for building RESTful, GraphQL, and RPC APIs.
- Django
- django-rest-framework - A powerful and flexible toolkit to build web APIs.
- django-ninja - Fast, Django REST framework based on type hints and Pydantic.
- strawberry-django - Strawberry GraphQL integration with Django.
- django-modern-rest - Modern REST with speed, types, async,
msgspec,pydanticand other goodies!
- Flask
- apiflask - A lightweight Python web API framework based on Flask and Marshmallow.
- Framework Agnostic
- fastapi - A modern, fast, web framework for building APIs with standard Python type hints.
- connexion - A spec-first framework that automatically handles requests based on your OpenAPI specification.
- strawberry - A GraphQL library that leverages Python type annotations for schema definition.
- RPC
- grpcio - HTTP/2-based RPC framework with Python bindings, built by Google.
ASGI and WSGI compatible web servers.
- ASGI
- WSGI
Libraries for working with WebSocket.
- websockets - A library for building WebSocket servers and clients with a focus on correctness and simplicity.
- channels - Developer-friendly asynchrony for Django.
- flask-socketio - Socket.IO integration for Flask applications.
- autobahn-python - WebSocket & WAMP for Python on Twisted and asyncio.
Libraries and tools for templating and lexing.
- jinja - A modern and designer friendly templating language.
- mako - Hyperfast and lightweight templating for the Python platform.
Tools for managing, storing, compressing and minifying website assets.
- django-storages - A collection of custom storage back ends for Django.
- django-compressor - Compresses linked and inline JavaScript or CSS into a single cached file.
Libraries for implementing authentication schemes.
- OAuth
- oauthlib - A generic and thorough implementation of the OAuth request-signing logic.
- authlib - A comprehensive library for building OAuth, OpenID Connect, and JWT/JWS/JWE/JWK/JWA.
- django-allauth - Authentication app for Django that "just works."
- django-oauth-toolkit - OAuth 2 goodies for Django.
- JWT
- pyjwt - JSON Web Token implementation in Python.
- Permissions
- django-guardian - Implementation of per-object permissions for Django.
- django-rules - A tiny but powerful app providing object-level permissions to Django, without requiring a database.
Libraries for administrative interfaces.
- flask-admin - Simple and extensible administrative interface framework for Flask.
- django-unfold - Elevate your Django admin with a stunning modern interface, powerful features, and seamless user experience.
- django-grappelli - A jazzy skin for the Django Admin-Interface.
Content Management Systems.
- wagtail - A Django content management system.
- django-cms - The easy-to-use and developer-friendly enterprise CMS powered by Django.
Enterprise resource planning frameworks.
- odoo - A suite of open source business apps: CRM, e-commerce, accounting, inventory, and thousands of community modules.
Static site generator is a software that takes some text + templates as input and produces HTML files on the output.
- pelican - Static site generator that supports Markdown and reST syntax.
- nikola - A static website and blog generator.
HTTP & Scraping
Libraries for working with HTTP.
- Clients
- URL Manipulation
Libraries to automate web scraping and extract web content.
- Frameworks
- browser-use - Make websites accessible for AI agents with easy browser automation.
- scrapy - A fast high-level screen scraping and web crawling framework.
- crawl4ai - An open-source, LLM-friendly web crawler that provides lightning-fast, structured data extraction specifically designed for AI agents.
- Content Extraction
- feedparser - Universal feed parser.
- html2text - Convert HTML to Markdown-formatted text.
- trafilatura - A tool for gathering text and metadata from the web, with built-in content filtering.
Libraries for sending and parsing email, and mail server management.
- yagmail - Yet another Gmail/SMTP client.
Database & Storage
Libraries that implement Object-Relational Mapping or data mapping techniques.
- Relational Databases
- sqlalchemy - The Python SQL Toolkit and Object Relational Mapper.
- django.db.models - The Django ORM.
- peewee - A small, expressive ORM.
- sqlmodel - SQLModel is based on Python type annotations, and powered by Pydantic and SQLAlchemy.
- NoSQL Databases
- pynamodb - A Pythonic interface for Amazon DynamoDB.
- mongoengine - A Python Object-Document-Mapper for working with MongoDB.
- beanie - An asynchronous Python object-document mapper (ODM) for MongoDB.
Libraries for connecting and operating databases.
- MySQL - awesome-mysql
- pymysql - A pure Python MySQL driver compatible to mysql-python.
- mysqlclient - MySQL connector with Python 3 support (mysql-python fork).
- PostgreSQL - awesome-postgres
- SQLite - awesome-sqlite
- sqlite3 - (Python standard library) SQLite interface compliant with DB-API 2.0.
- sqlite-utils - Python CLI utility and library for manipulating SQLite databases.
- ClickHouse
- clickhouse-connect - The official ClickHouse client, with SQLAlchemy and Superset connectors.
- clickhouse-driver - Python driver with native interface for ClickHouse.
- Other Relational Databases
- pyodbc - An ODBC bridge for connecting to SQL Server and any other ODBC-accessible database.
- oracledb - The official Python driver for Oracle Database, successor to cx_Oracle.
- mssql-python - Official Microsoft driver for SQL Server and Azure SQL, built on ODBC for high performance and low memory usage.
- NoSQL Databases
- redis - The Python client for Redis.
- pymongo - The official Python client for MongoDB.
- cassandra-driver - The Python Driver for Apache Cassandra.
- django-mongodb-backend - Official MongoDB database backend for Django.
In-process databases usable directly from Python.
- Analytical
- duckdb - An in-process SQL OLAP database management system; optimized for analytics and fast queries, similar to SQLite but for analytical workloads.
- chdb - In-process OLAP SQL engine with the full ClickHouse dialect, zero-copy pandas/Arrow interop, and federation to remote ClickHouse clusters via
remoteSecure().
- Vector
- Key-Value & Document
- tinydb - A tiny, document-oriented database.
Libraries for caching data.
- cachetools - Extensible memoizing collections and decorators.
- diskcache - SQLite and file backed cache backend with faster lookups than memcached and redis.
- dogpile.cache - dogpile.cache is a next generation replacement for Beaker made by the same authors.
- django-cacheops - A slick ORM cache with automatic granular event-driven invalidation.
Libraries and software for indexing and performing search queries on data.
- elasticsearch - The official low-level Python client for Elasticsearch.
- opensearch-py - The official low-level Python client for OpenSearch.
- meilisearch - The official Python client for the Meilisearch search engine.
- django-haystack - Modular search for Django.
Libraries for serializing complex data types.
- msgpack - MessagePack serializer implementation for Python.
- orjson - Fast, correct JSON library.
- marshmallow - A lightweight library for converting complex objects to and from simple Python datatypes.
- msgspec - A fast serialization and validation library with built-in support for JSON, MessagePack, YAML, and TOML.
Data & Science
Libraries for data analysis.
- pandas - A library providing high-performance, easy-to-use data structures and data analysis tools.
- polars - A fast DataFrame library implemented in Rust with a Python API.
- ibis-framework - A portable Python dataframe library with a single API for 20+ backends.
Libraries for data extraction, transformation, and loading pipelines across multiple sources and destinations.
- General
- awswrangler - Pandas integration with AWS services like Athena, Glue, Redshift, S3, and DynamoDB.
- dlt - A Python library for building data pipelines with automatic schema inference, incremental loading, and support for multiple sources and destinations.
- pathway - Python ETL framework for stream processing, real-time analytics, LLM pipelines, and RAG.
- Financial Data
- yfinance - Easy Pythonic way to download market and financial data from Yahoo Finance.
- akshare - A financial data interface library, built for human beings!
- edgartools - Library for downloading structured data from SEC EDGAR filings and XBRL financial statements.
- openbb - A financial data platform for analysts, quants and AI agents.
Libraries for validating data. Used for forms in many cases.
- pydantic - Data validation using Python type hints.
- jsonschema - An implementation of JSON Schema for Python.
- pandera - A data validation library for dataframes, with support for pandas, polars, and Spark.
Libraries for visualizing data. Also see awesome-javascript.
- Plotting
- matplotlib - A Python 2D plotting library.
- plotly - Interactive graphing library for Python.
- seaborn - Statistical data visualization using Matplotlib.
- altair - Declarative statistical visualization library for Python.
- bokeh - Interactive Web Plotting for Python.
- Specialized
- cartopy - A cartographic python library with matplotlib support.
- pygraphviz - Python interface to Graphviz.
- graphify - Turn any folder of code, SQL schemas, docs, papers, images, or videos into a queryable knowledge graph.
- Dashboards and Apps
Libraries for geocoding addresses and working with latitudes and longitudes.
- geopandas - Python tools for geographic data (GeoSeries/GeoDataFrame) built on pandas.
- geopy - Python Geocoding Toolbox.
- geojson - Python bindings and utilities for GeoJSON.
- geodjango - A world-class geographic web framework that is part of Django.
Libraries for scientific computing. Also see Python-for-Scientists.
- Core
- Symbolic Mathematics
- sympy - A Python library for symbolic mathematics.
- Statistics
- statsmodels - Statistical modeling and econometrics in Python.
- Biology and Chemistry
- Physics and Engineering
- Simulation and Modeling
- Graphs and Networks
- networkx - A high-productivity software for complex networks.
- Computational Geometry
- shapely - Manipulation and analysis of geometric objects in the Cartesian plane.
- Other
- colour-science - Implementing a comprehensive number of colour theory transformations and algorithms.
- manim - An animation engine for explanatory math videos.
Libraries for quantum computing.
- qiskit - An IBM-backed quantum SDK for building, simulating, and running circuits on real quantum hardware.
- qutip - Quantum Toolbox in Python.
- pennylane - A hybrid quantum-classical machine learning library with automatic differentiation support.
- cirq - A Google-developed framework focused on hardware-aware quantum circuit design for NISQ devices.
Developer Tools
Python implementation of data structures, algorithms and design patterns. Also see awesome-algorithms.
- Algorithms
- sortedcontainers - Fast and pure-Python implementation of sorted collections.
- algorithms - Minimal examples of data structures and algorithms.
- thealgorithms - All Algorithms implemented in Python.
- Design Patterns
- transitions - A lightweight, object-oriented finite state machine implementation.
- python-patterns - A collection of design patterns in Python.
Interactive Python interpreters (REPL).
- ipython - A powerful interactive Python shell, and the kernel behind Jupyter notebooks.
- jupyter - A rich toolkit to help you make the most out of using Python interactively.
- marimo - Transform data and train models, feels like a next-gen notebook, stored as Git-friendly Python.
- ptpython - Advanced Python REPL built on top of the python-prompt-toolkit.
Tools of static analysis, linters and code quality checkers. Also see awesome-static-analysis.
- Code Analysis
- vulture - A tool for finding and analyzing dead Python code.
- prospector - A tool to analyze Python code.
- repowise - Codebase intelligence that indexes repos into dependency graphs, git history, and auto-generated docs with dead code detection.
- Git Hooks
- pre-commit - A framework for managing and maintaining multi-language pre-commit hooks.
- Linters and Formatters
- ruff - An extremely fast Python linter and code formatter.
- black - The uncompromising Python code formatter.
- isort - A Python utility / library to sort imports.
- pylint - A fully customizable source code analyzer.
- flake8 - A wrapper around
pycodestyle,pyflakesand McCabe. - bandit - A tool designed to find common security issues in Python code.
- Refactoring
- rope - Rope is a python refactoring library.
- Type Checkers - awesome-python-typing
- Type Annotations Generators
- monkeytype - A system for Python that generates static type annotations by collecting runtime types.
Libraries for testing codebases and generating test data. Also see awesome-python-testing.
- Frameworks
- pytest - A mature full-featured Python testing tool.
- hypothesis - Hypothesis is an advanced Quickcheck style property based testing library.
- robotframework - A generic test automation framework.
- Test Runners
- Browser Automation
- playwright-python - Python version of the Playwright testing and automation library.
- selenium - Python bindings for Selenium WebDriver.
- seleniumbase - Python framework for web automation & testing, with stealth options.
- Load Testing
- locust - Scalable user load testing tool written in Python.
- API Testing
- schemathesis - A tool for automatic property-based testing of web applications built with Open API / Swagger specifications.
- Mock
- mock - (Python standard library) A mocking and patching library.
- responses - A utility library for mocking out the requests Python library.
- freezegun - Travel through time by mocking the datetime module.
- vcrpy - Record and replay HTTP interactions on your tests.
- respx - Mock HTTPX with awesome request patterns and response side effects.
- Object Factories
- factory_boy - A test fixtures replacement for Python.
- polyfactory - mock data generation library with support to classes (continuation of
pydantic-factories)
- Code Coverage
- coverage - Code coverage measurement.
- Fake Data
Libraries for debugging code.
- pdb-like Debugger
- Tracing
- hunter - A flexible code tracing toolkit.
- Profiler
- py-spy - A sampling profiler for Python programs. Written in Rust.
- memray - A memory profiler that tracks allocations in Python code, native extensions, and the interpreter itself.
- pyinstrument - A statistical wall-clock profiler with low overhead and readable call-tree output.
- scalene - A high-performance, high-precision CPU, GPU, and memory profiler for Python.
- Others
- django-debug-toolbar - Display various debug information for Django.
- icecream - Inspect variables, expressions, and program execution with a single, simple function call.
- flask-debugtoolbar - A port of the django-debug-toolbar to flask.
Compile software from source code. If you're looking for Python packaging/build tools, see Package Management.
- invoke - A tool for managing shell-oriented subprocesses and organizing executable Python code into CLI-invokable tasks.
- scons - A software construction tool.
- doit - A task runner and build tool.
Libraries for generating project documentation.
- sphinx - Python Documentation generator.
- mkdocs-material - A documentation framework and Material Design theme built on MkDocs.
- mkdocs - Markdown friendly documentation generator.
- diagrams - Diagram as Code.
- pdoc - Epydoc replacement to auto generate API documentation for Python libraries.
DevOps
Software and libraries for DevOps.
- Cloud Providers
- boto3 - Python interface to Amazon Web Services.
- awscli - Universal Command Line Interface for Amazon Web Services.
- azure-sdk-for-python - Microsoft Azure SDK for Python, published as per-service packages.
- google-cloud-python - Google Cloud client libraries for Python, published as per-service packages.
- Configuration Management
- ansible - A radically simple IT automation platform.
- cloud-init - A multi-distribution package that handles early initialization of a cloud instance.
- pyinfra - A versatile CLI tools and python libraries to automate infrastructure.
- salt - Infrastructure automation and management system.
- Deployment
- Monitoring and Processes
- psutil - A cross-platform process and system utilities module.
- sentry-sdk - Sentry SDK for Python.
- supervisor - Supervisor process control system for UNIX.
- flower - A real-time monitor and web admin for Celery task queues.
- sh - A full-fledged subprocess replacement for Python.
- Other
- borgbackup - A deduplicating archiver with compression and encryption.
- chaostoolkit - A Chaos Engineering toolkit & Orchestration for Developers.
Frameworks and libraries for Distributed Computing.
- ray - A system for parallel and distributed Python that unifies the machine learning ecosystem.
- pyspark - Apache Spark Python API.
- dask - A flexible parallel computing library for analytic computing.
- joblib - A set of tools to provide lightweight pipelining in Python.
- mpi4py - Python bindings for MPI.
Libraries for working with task queues.
- celery - An asynchronous task queue/job queue based on distributed message passing.
- rq - Simple job queues for Python.
- dramatiq - A fast and reliable background task processing library for Python 3.
- huey - Little multi-threaded task queue.
- taskiq - Distributed task queue with native asyncio support and pluggable brokers.
Libraries for working with message brokers and event streaming.
- confluent-kafka - Confluent's Python client for Apache Kafka, built on librdkafka.
- pika - Pure-Python RabbitMQ/AMQP 0-9-1 client library.
- paho-mqtt - The Eclipse Paho MQTT client for Python.
- faststream - A framework for building asynchronous services over Apache Kafka, RabbitMQ, NATS, MQTT and Redis.
Libraries for scheduling jobs.
- Task Scheduling
- apscheduler - A light but powerful in-process task scheduler that lets you schedule functions.
- schedule - Python job scheduling for humans.
- Workflow Orchestration
- apache-airflow - Airflow is a platform to programmatically author, schedule and monitor workflows.
- prefect - A modern workflow orchestration framework that makes it easy to build, schedule and monitor robust data pipelines.
- dagster - An orchestration platform for the development, production, and observation of data assets.
Libraries for generating and working with logs.
- logging - (Python standard library) Logging facility for Python.
- structlog - Structured logging made easy.
- loguru - Library which aims to bring enjoyable logging in Python.
Tools and libraries for Virtual Networking and SDN (Software Defined Networking).
- scapy - A brilliant packet manipulation library.
- napalm - Cross-vendor API to manipulate network devices.
CLI & GUI
Libraries for building command-line applications.
- CLI Development
- argparse - (Python standard library) Command-line option and argument parsing.
- click - A package for creating beautiful command line interfaces in a composable way.
- typer - Modern CLI framework that uses Python type hints. Built on Click and Pydantic.
- prompt_toolkit - A library for building powerful interactive command lines.
- fire - A library for creating command line interfaces from absolutely any Python object.
- Terminal Rendering
- tqdm - Fast, extensible progress bar for loops and CLI.
- rich - Python library for rich text and beautiful formatting in the terminal. Also provides a great
RichHandlerlog handler. - colorama - Cross-platform colored terminal text.
- alive-progress - A new kind of Progress Bar, with real-time throughput, eta and very cool animations.
- TUI Frameworks
- textual - A framework for building interactive user interfaces that run in the terminal and the browser.
- urwid - A library for creating terminal GUI applications with strong support for widgets, events, rich colors, etc.
- asciimatics - A package to create full-screen text UIs (from interactive forms to ASCII animations).
Useful CLI-based tools.
- Database CLIs
- Downloaders
- yt-dlp - A command-line program to download videos from YouTube and other video sites, a fork of youtube-dl.
- HTTP Clients
- httpie - A command line HTTP client, a user-friendly cURL replacement.
- Project Scaffolding
- cookiecutter - A command-line utility that creates projects from cookiecutters (project templates).
- copier - A library and command-line utility for rendering projects templates.
- Shells
- xonsh - A Python-powered shell. Full-featured and cross-platform.
- Terminal Workflow
Libraries for working with graphical user interface applications.
- Desktop
- pygobject - Python Bindings for GLib/GObject/GIO/GTK+ (GTK+3).
- wxPython - A blending of the wxWidgets C++ class library with the Python.
- kivy - A library for creating NUI applications, running on Windows, Linux, Mac OS X, Android and iOS.
- dearpygui - A Simple GPU accelerated Python GUI framework
- toga - A Python native, OS native GUI toolkit.
- Qt
- Tkinter
- tkinter - (Python standard library) The standard Python interface to the Tcl/Tk GUI toolkit.
- customtkinter - A modern and customizable python UI-library based on Tkinter.
- tkdesigner - Generates Tkinter interfaces from Figma designs using the Figma API.
- Web-based
- Wrappers
- gooey - Turn command line programs into a full GUI application with one line.
Text & Documents
Libraries for parsing and manipulating plain texts.
- Encoding and Unicode
- charset-normalizer - Universal character encoding detector, the default of the requests ecosystem.
- chardet - Python character encoding detector.
- ftfy - Makes Unicode text less broken and more consistent automagically.
- Fuzzy Matching
- rapidfuzz - Rapid fuzzy string matching using various string metrics, with a C++ core.
- General
- Internationalization
- babel - An internationalization library for Python.
- Parser
- pygments - A generic syntax highlighter.
- pyparsing - A general purpose framework for generating parsers.
- sqlparse - A non-validating SQL parser.
- phonenumbers - Parsing, formatting, storing and validating international phone numbers.
- parsy - Easy, generic parser combinator library for creating parsers.
- Transliteration and Slugs
- python-slugify - A Python slugify library that translates unicode to ASCII.
- unidecode - ASCII transliterations of Unicode text.
- Unique identifiers
Libraries for working with HTML and XML.
- beautifulsoup4 - Providing Pythonic idioms for iterating, searching, and modifying HTML or XML.
- lxml - A very fast, easy-to-use and versatile library for handling HTML and XML.
- xmltodict - Working with XML feel like you are working with JSON.
- markupsafe - Implements a XML/HTML/XHTML Markup safe string for Python.
- justhtml - A pure Python HTML5 parser that just works.
Libraries for parsing and manipulating specific text formats.
- General
- pyelftools - Parsing and analyzing ELF files and DWARF debugging information.
- tablib - A module for Tabular Datasets in XLS, CSV, JSON, YAML.
- File Conversion
- markitdown - Python tool for converting files and office documents to Markdown.
- docling - Library for converting documents into structured data.
- Excel
- openpyxl - A library for reading and writing Excel 2010 xlsx/xlsm/xltx/xltm files.
- xlsxwriter - A Python module for creating Excel .xlsx files.
- Word
- python-docx - Reads, queries and modifies Microsoft Word 2007/2008 docx files.
- PowerPoint
- python-pptx - Python library for creating and updating PowerPoint (.pptx) files.
- PDF
- pypdf - A library capable of splitting, merging, cropping, and transforming PDF pages.
- reportlab - Allowing Rapid creation of rich PDF documents.
- pdfminer.six - Pdfminer.six is a community maintained fork of the original PDFMiner.
- HTML-to-PDF
- weasyprint - A visual rendering engine for HTML and CSS that can export to PDF.
- Markdown
- markdown-it-py - Markdown parser with 100% CommonMark support, extensions, and syntax plugins.
- markdown - A Python implementation of John Gruber’s Markdown.
- mistune - Fastest and full featured pure Python parsers of Markdown.
- Data Formats
Libraries for file manipulation.
- mimetypes - (Python standard library) Map filenames to MIME types.
- pathlib - (Python standard library) A cross-platform, object-oriented path library.
- watchfiles - Simple, modern and fast file watching and code reload in python.
- watchdog - API and shell utilities to monitor file system events.
- python-magic - A Python interface to the libmagic file type identification library.
Media
Libraries for manipulating images.
- Barcodes and QR Codes
- qrcode - A pure Python QR Code generator.
- python-barcode - Create barcodes in Python with no extra dependencies.
- General
- pillow - Pillow is the friendly PIL fork.
- scikit-image - A Python library for (scientific) image processing.
- rembg - A tool to remove image backgrounds.
- wand - Python bindings for MagickWand, C API for ImageMagick.
- pyvips - A fast image processing library with low memory needs.
- Image Serving
- thumbor - A smart imaging service. It enables on-demand crop, re-sizing and flipping of images.
Libraries for manipulating audio, video, and their metadata.
- Audio
- Video
- Metadata
- mutagen - A Python module to handle audio metadata.
- tinytag - A library for reading music meta data of MP3, OGG, FLAC and Wave files.
- beets - A music library manager and MusicBrainz tagger.
Awesome game development libraries.
- 3D Engines
- panda3d - 3D game engine developed by Disney.
- Game Frameworks
- pygame - Pygame is a set of Python modules designed for writing games.
- pyglet - A cross-platform windowing and multimedia library for Python.
- pygame-ce - An actively developed drop-in replacement with new features and performance improvements (pygame fork).
- arcade - Arcade is a modern Python framework for crafting games with compelling graphics and sound.
- Visual Novels
- renpy - A Visual Novel engine.
Python Language
Implementations of Python.
- cpython - Default, most widely used implementation of the Python programming language written in C.
- micropython - A lean and efficient Python programming language implementation.
- pypy - A very fast and compliant implementation of the Python language.
- Cython - Optimizing Static Compiler for Python.
- pyodide - Python distribution for the browser and Node.js based on WebAssembly.
Libraries for enhancing Python built-in classes.
- attrs - Replacement for
__init__,__eq__,__repr__, etc. boilerplate in class definitions. - bidict - Efficient, Pythonic bidirectional map data structures and related functionality.
- uuid-utils - A fast, Rust-backed drop-in replacement for Python's built-in
uuidmodule, supporting RFC 9562 (UUIDv6, UUIDv7, and UUIDv8). - python-box - Python dictionaries with advanced dot notation access.
Functional Programming with Python.
- functools - (Python standard library) Higher-order functions and operations on callable objects.
- more-itertools - More routines for operating on iterables, beyond
itertools. - toolz - A collection of functional utilities for iterators, functions, and dictionaries. Also available as cytoolz for Cython-accelerated performance.
- funcy - A fancy and practical functional tools.
- returns - A set of type-safe monads, transformers, and composition utilities.
Libraries for asynchronous, concurrent and parallel execution. Also see awesome-asyncio.
- Async I/O
- asyncio - (Python standard library) Asynchronous I/O, event loop, coroutines and tasks.
- anyio - A high-level async concurrency and networking framework that works on top of asyncio or trio.
- uvloop - Ultra fast asyncio event loop.
- trio - A friendly library for async concurrency and I/O.
- gevent - A coroutine-based Python networking library that uses greenlet.
- Twisted - An event-driven networking engine.
- Parallelism
- concurrent.futures - (Python standard library) A high-level interface for asynchronously executing callables.
- multiprocessing - (Python standard library) Process-based parallelism.
Libraries for working with dates and times.
- zoneinfo - (Python standard library) IANA time zone support. Brings the tz database into Python.
- python-dateutil - Extensions to the standard Python datetime module.
- dateparser - A Python parser for human-readable dates in dozens of languages.
- pendulum - Python datetimes made easy.
- whenever - A modern datetime library, type-safe and DST-safe, backed by Rust.
Python Toolchain
Libraries for Python version and virtual environment management.
- virtualenv - A tool to create isolated Python environments.
- uv - An extremely fast Python version, package and project manager, written in Rust.
- pyenv - Simple Python version management.
Libraries for package and dependency management.
- Package Managers
- pip - The package installer for Python.
- uv - An extremely fast Python version, package and project manager, written in Rust.
- poetry - Python dependency management and packaging made easy.
- hatch - Modern, extensible Python project manager for environments, builds, and publishing.
- pipx - Install and Run Python Applications in Isolated Environments. Like
npxin Node.js. - conda - Cross-platform, Python-agnostic binary package manager.
- Build Backends
- setuptools - The historical and still most widely used pyproject build backend.
- hatchling - Modern, extensible build backend from the hatch project.
- uv-build - uv's fast, minimal build backend for pure-Python projects.
Local PyPI repository server and proxies.
- bandersnatch - PyPI mirroring tool provided by Python Packaging Authority (PyPA).
- devpi - PyPI server and packaging/testing/release tool.
- warehouse - Next generation Python Package Repository (PyPI).
Libraries to create packaged executables for release distribution.
- Executables
- pyinstaller - Converts Python programs into stand-alone executables (cross-platform).
- Nuitka - Compiles Python programs into high-performance standalone executables (cross-platform, supports all Python versions).
- shiv - A command line utility for building fully self-contained zipapps (PEP 441), but with all their dependencies included.
- cx-Freeze - It is a Python tool that converts Python scripts into standalone executables and installers for Windows, macOS, and Linux.
- Obfuscation
- pyarmor - A tool used to obfuscate python scripts, bind obfuscated scripts to fixed machine or expire obfuscated scripts.
Libraries for storing and parsing configuration options.
- configparser - (Python standard library) INI file parser.
- python-dotenv - Reads key-value pairs from a
.envfile and sets them as environment variables. - pydantic-settings - Settings management using Pydantic models with validation, loading from environment variables and secrets files.
- hydra-core - Hydra is a framework for elegantly configuring complex applications.
- dynaconf - Dynaconf is a configuration manager with plugins for Django, Flask and FastAPI.
Security
Libraries for cryptographic primitives and secure protocols.
- cryptography - A package designed to expose cryptographic primitives and recipes to Python developers.
- pynacl - Python binding to the Networking and Cryptography (NaCl) library.
- paramiko - The leading native Python SSHv2 protocol library.
- itsdangerous - Various helpers to pass trusted data to untrusted environments.
Frameworks and tools for penetration testing.
- mitmproxy - An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
- sqlmap - Automatic SQL injection and database takeover tool.
- sherlock-project - Hunt down social media accounts by username across social networks.
- social-engineer-toolkit - A toolkit for social engineering.
Tools for auditing dependencies against known vulnerabilities.
- pip-audit - Audits Python environments and dependency trees for known vulnerabilities, using the PyPI Advisory Database and OSV.
- uv audit - uv's built-in dependency vulnerability and malware scanning backed by OSV.
Libraries for application-layer web security.
- secure - HTTP security headers for Python web applications with ASGI and WSGI middleware.
Other
Libraries for programming with hardware.
- bleak - A cross platform Bluetooth Low Energy Client for Python using asyncio.
- pynput - A library to control and monitor input devices.
- jumpstarter - A hardware-in-the-loop testing framework with a Python client library for automated testing on real and virtual hardware.
Python programming on Microsoft Windows.
- pythonnet - Python Integration with the .NET Common Language Runtime (CLR).
- pywin32 - Python Extensions for Windows.
- pyenv-win - A Python version manager for Windows (pyenv fork).
- winpython - Portable development environment for Windows 10/11.
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.
Where to discover learning resources or new Python libraries.
- Python Developer Tooling Handbook - Comprehensive guide to modern Python developer tools covering package management, linting, type checking, testing, and more.
Your contributions are always welcome! Please take a look at the contribution guidelines first.
If you have any question about this opinionated list, do not hesitate to contact @vinta on X (Twitter).