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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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.
body-parser
Node.js body-parsing middleware that turns raw HTTP request bodies into ready-to-use req.body objects.
google-auth
The foundational Python library for authenticating to Google Cloud and Google APIs with OAuth2, service accounts, and Application Default Credentials.
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.
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.
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
scikit-learn
Simple and efficient tools for machine learning and data analysis in Python.
pydantic-settings
Type-safe application settings management for Python, built on Pydantic models.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
asyncpg
A fast PostgreSQL database client library for Python built directly on asyncio, implementing the PostgreSQL binary wire protocol natively for high-throughput async applications.
Alembic
Database migrations tool for SQLAlchemy with autogenerate and transactional DDL
sentry-sdk
The official Python SDK for Sentry error tracking, performance monitoring, and tracing.
idna
Internationalized Domain Names for Python — IDNA 2008 and UTS #46 encoding and decoding
pypdf
A pure-Python library for splitting, merging, cropping, transforming, and extracting content from PDF files.
tenacity
A general-purpose Python retrying library that adds configurable retry behavior to almost anything
