Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Kind2
Category
Sort:Used by Most Apps
pytest
The Python testing framework that makes writing small tests easy and scales to complex functional test suites.
Commander.js
The complete, battle-tested framework for building Node.js command-line interfaces.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
boto3
The official AWS SDK for Python — call every Amazon Web Services API from your code.
OpenAI Python SDK
The official Python library for the OpenAI REST API, generated from OpenAI's OpenAPI spec with typed sync and async clients.
yargs
The modern, pirate-themed command-line argument parser and command framework for Node.js
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.
python-sdk
The official Python SDK for building Model Context Protocol servers and clients that expose tools, resources, and prompts to any LLM host.
Flask
A lightweight WSGI web framework for Python that scales from a single file to complex applications.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
sentry-sdk
The official Python SDK for Sentry error tracking, performance monitoring, and tracing.
Django
The high-level Python web framework that turns database models into secure, working web applications in record time.
LangChain
The most widely adopted Python framework for building LLM-powered agents and applications
Starlette
A lightweight ASGI framework/toolkit for building async web services and apps in Python
docker-py
Official Python library for the Docker Engine API — manage containers, images, networks, and Swarm clusters from your own code.
LangGraph
A low-level orchestration framework for building stateful, multi-actor LLM agents as graphs
Azure Container Service Management (Python)
Provision and manage Azure Kubernetes Service and container clusters from Python.
django-rest-framework
The most widely-used toolkit for building Web APIs on top of Django, with serializers, viewsets, and a built-in browsable API.
Azure Identity (Python)
Microsoft Entra ID token authentication for Azure SDK clients in Python
FastMCP
The fast, Pythonic framework for building Model Context Protocol servers, clients, and apps
Pydantic AI
A type-safe Python agent framework built by the Pydantic team
Slack SDK for Python
The official Python SDK for building apps, bots, and integrations on the Slack Platform.
