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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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.
cron-parser
Parse, validate, and iterate cron expressions in Node.js with full timezone and DST support.
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
cRonstrue
Turns cron expressions into human-readable descriptions, in 30+ languages.
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
gray-matter
Fast, dependable front-matter parser for YAML, JSON, TOML, and CoffeeScript metadata blocks
mypy
Optional static type checker that catches Python bugs before you run your code
websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
zod-to-json-schema
Converts Zod validation schemas into standard JSON Schema, ready for OpenAPI, OpenAI, and JSON Schema draft 7 consumers.
csv-parse
A flexible, dependency-free CSV parser for Node.js and the browser with stream, callback, and sync APIs.
Psycopg
The modern PostgreSQL adapter for Python, with native async and pipeline support
Flask
A lightweight WSGI web framework for Python that scales from a single file to complex applications.
scikit-learn
Simple and efficient tools for machine learning and data analysis in Python.
JSON5
JSON for humans: an extended JSON syntax with comments, trailing commas, and unquoted keys for hand-written config.
