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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cryptography
The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.
markdown-it
A fast, pluggable CommonMark-compliant Markdown parser and renderer for JavaScript, safe by default.
Click
A composable Python toolkit for building command line interfaces with minimal boilerplate.
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
python-dateutil
Powerful extensions to Python's datetime module for parsing, deltas, recurrence, and timezones.
rich
A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.
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.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
Cheerio
The fast, flexible library for parsing and manipulating HTML and XML with a familiar jQuery-style API.
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.
yargs
The modern, pirate-themed command-line argument parser and command framework for Node.js
sanitize-html
Allowlist-based HTML sanitizer that strips XSS vectors from untrusted markup while preserving the tags and attributes you choose to keep.
psycopg2
The most popular PostgreSQL database adapter for Python, implementing the full DB API 2.0 specification.
BullMQ
Fast, reliable Redis-based message queue and background job processing for Node.js and TypeScript.
aiohttp
Asynchronous HTTP client and server framework for Python's asyncio, covering both API calls and building web/WebSocket services.
psutil
Cross-platform Python library for retrieving process and system utilization data.
PyTorch
A Python-first tensor library with GPU acceleration and a dynamic, define-by-run autograd engine for building and training deep neural networks.
redis-py
The official Python client for Redis, with sync, asyncio, cluster, and Sentinel support.
OpenTelemetry Prometheus Exporter
Export OpenTelemetry metrics in Prometheus format so Prometheus can scrape your Python application.
Transformers
State-of-the-art pretrained models for text, vision, audio, and multimodal inference and training.
tqdm
A fast, extensible progress bar for Python loops and CLI pipelines, with negligible overhead.
SQLAlchemy
The Python SQL toolkit and Object Relational Mapper that gives developers the full power and flexibility of SQL.
python-sdk
The official Python SDK for building Model Context Protocol servers and clients that expose tools, resources, and prompts to any LLM host.
