Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Ruff
An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.
Jinja
A fast, expressive, and extensible templating engine for Python.
PyJWT
A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.
SQLAlchemy
The Python SQL toolkit and Object Relational Mapper that gives developers the full power and flexibility of SQL.
psycopg2
The most popular PostgreSQL database adapter for Python, implementing the full DB API 2.0 specification.
psutil
Cross-platform Python library for retrieving process and system utilization data.
BullMQ
Fast, reliable Redis-based message queue and background job processing for Node.js and TypeScript.
PyTorch
A Python-first tensor library with GPU acceleration and a dynamic, define-by-run autograd engine for building and training deep neural networks.
aiohttp
Asynchronous HTTP client and server framework for Python's asyncio, covering both API calls and building web/WebSocket services.
redis-py
The official Python client for Redis, with sync, asyncio, cluster, and Sentinel support.
Transformers
State-of-the-art pretrained models for text, vision, audio, and multimodal inference and training.
OpenTelemetry Prometheus Exporter
Export OpenTelemetry metrics in Prometheus format so Prometheus can scrape your Python application.
tqdm
A fast, extensible progress bar for Python loops and CLI pipelines, with negligible overhead.
python-sdk
The official Python SDK for building Model Context Protocol servers and clients that expose tools, resources, and prompts to any LLM host.
google-auth
The foundational Python library for authenticating to Google Cloud and Google APIs with OAuth2, service accounts, and Application Default Credentials.
body-parser
Node.js body-parsing middleware that turns raw HTTP request bodies into ready-to-use req.body objects.
PHPUnit
The de facto standard, programmer-oriented unit testing framework for PHP.
Gunicorn
A fast, lightweight pre-fork WSGI and ASGI HTTP server for running Python web apps in production on UNIX.
OpenTelemetry Python SDK
The reference implementation of the OpenTelemetry API for Python - traces, metrics, and logs
type-fest
A collection of essential, ready-made TypeScript utility types beyond the built-in standard library.
superjson
Serialize JavaScript to a superset of JSON that keeps Dates, Maps, Sets, BigInts, and more intact.
fast-xml-parser
Pure-JS XML parser, builder, and validator with no C/C++ bindings and no callbacks
Guzzle
An extensible PHP HTTP client for sending requests and integrating with web services
mypy
Optional static type checker that catches Python bugs before you run your code
