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
Kind1
Category
Sort:Used by Most Apps
pytest
The Python testing framework that makes writing small tests easy and scales to complex functional test suites.
Tokio
The async runtime powering most of Rust's networked, concurrent, and I/O-bound applications.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
Tauri
Build tiny, fast, and secure desktop and mobile apps with a Rust backend and a web frontend.
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.
Docusaurus
React-based static site generator for building fast, maintainable documentation websites.
Flask
A lightweight WSGI web framework for Python that scales from a single file to complex applications.
axum
Ergonomic and modular HTTP routing and request-handling framework for Rust, built on Tokio, Hyper, and Tower.
NestJS
A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
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
LangGraph
A low-level orchestration framework for building stateful, multi-actor LLM agents as graphs
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
Pydantic AI
A type-safe Python agent framework built by the Pydantic team
Bubble Tea
A Go framework based on The Elm Architecture for building terminal UIs, from simple prompts to full-window, high-performance TUI applications.
napi-rs
Build precompiled Node.js add-ons in Rust via Node-API, no node-gyp required
Actix Web
A powerful, pragmatic, and extremely fast web framework for Rust
OpenAI Agents SDK
OpenAI's provider-agnostic Python framework for building multi-agent LLM workflows with tools, guardrails, and tracing.
Streamlit
Turn a Python script into a shareable data app in minutes, with no frontend code
Gradio
Build and share machine learning web apps and demos in pure Python.
