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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React Router
A multi-strategy router for React, from a lightweight library to a full SSR framework.
Next.js
The React framework for production: file-based routing, server rendering, and Rust-powered builds.
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.
TanStack Router
A fully type-safe React router with built-in data loading, caching, and URL search-param validation.
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.
tRPC Server
Build end-to-end typesafe APIs in TypeScript with no schemas, no code generation, and zero runtime bloat.
PHPUnit
The de facto standard, programmer-oriented unit testing framework for PHP.
React Native
Build native iOS and Android apps from a single React codebase using the components and patterns you already know.
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.
Expo
Open-source framework for building universal native apps with React that run on Android, iOS, and the web.
Lexical
An extensible, framework-agnostic text editor framework for building reliable, accessible rich-text experiences on the web.
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
Laravel
The expressive, elegant PHP framework for building modern web applications
Starlette
A lightweight ASGI framework/toolkit for building async web services and apps in Python
preact
Fast, 3kB React-compatible Virtual DOM library with the same modern component API.
LangGraph
A low-level orchestration framework for building stateful, multi-actor LLM agents as graphs
