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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pytest
The Python testing framework that makes writing small tests easy and scales to complex functional test suites.
Uvicorn
A lightning-fast ASGI server for Python, built on uvloop and httptools.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
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.
aiohttp
Asynchronous HTTP client and server framework for Python's asyncio, covering both API calls and building web/WebSocket services.
Transformers
State-of-the-art pretrained models for text, vision, audio, and multimodal inference and training.
Gunicorn
A fast, lightweight pre-fork WSGI and ASGI HTTP server for running Python web apps in production on UNIX.
mypy
Optional static type checker that catches Python bugs before you run your code
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
Alembic
Database migrations tool for SQLAlchemy with autogenerate and transactional DDL
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
Flask
A lightweight WSGI web framework for Python that scales from a single file to complex applications.
LangGraph
A low-level orchestration framework for building stateful, multi-actor LLM agents as graphs
Django
The high-level Python web framework that turns database models into secure, working web applications in record time.
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.
FastMCP
The fast, Pythonic framework for building Model Context Protocol servers, clients, and apps
Echo
A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.
js-beautify
Reformats and re-indents JavaScript, HTML, and CSS into clean, readable code
MkDocs
A fast, simple static site generator for building project documentation from Markdown with a single YAML config file.
OpenAI Agents SDK
OpenAI's provider-agnostic Python framework for building multi-agent LLM workflows with tools, guardrails, and tracing.
isort
Automatically sorts and organizes Python import statements
flake8
The CLI linter that wraps PyFlakes, pycodestyle, and McCabe complexity checks into a single Python style and error checker.
@vitejs/plugin-basic-ssl
A Vite plugin that generates a self-signed certificate so your dev and preview servers can run over HTTPS with zero setup.
