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
The declarative, component-based JavaScript library for building fast, interactive user interfaces on the web and in native apps.
React DOM
React's official renderer for the DOM and server — createRoot, hydrateRoot, and streaming SSR in one package.
Playwright
Cross-browser end-to-end web testing and browser automation with a single API for Chromium, Firefox, and WebKit.
dotenv
Loads environment variables from a .env file into process.env for Node.js apps.
lucide-react
1,700+ tree-shakeable, customizable SVG icon components for React applications
date-fns
Modern JavaScript date utility library with 200+ pure, immutable functions
jsdom
A pure-JavaScript implementation of the WHATWG DOM and HTML standards for Node.js.
React Testing Library
Simple and complete React DOM testing utilities that encourage good testing practices.
Lodash
A modern JavaScript utility library delivering modularity, performance, and extras for arrays, objects, and functions.
Axios
Promise-based HTTP client for the browser and Node.js with interceptors, automatic transforms, and cancellation
TanStack Query
Hooks-based async state management for fetching, caching, and syncing server data in React.
Radix UI
Unstyled, accessible React UI primitives for building your own design system.
React Router
A multi-strategy router for React, from a lightweight library to a full SSR framework.
jest-dom
Custom Jest matchers for asserting on the state of the DOM in your tests.
react-markdown
Safely render Markdown as React elements, no dangerouslySetInnerHTML required
@babel/core
The core JavaScript compiler that transforms next-generation syntax into code every browser and runtime can understand.
Express
The fast, unopinionated, minimalist web framework for Node.js
Next.js
The React framework for production: file-based routing, server rendering, and Rust-powered builds.
Motion
A hybrid JavaScript and React animation library built for 120fps gestures, springs, and layout transitions.
DOMPurify
DOM-only, uber-tolerant XSS sanitizer for HTML, MathML, and SVG that runs in the browser and on the server.
cmdk
Fast, unstyled command menu and combobox primitives for React.
React Hook Form
Performant, flexible React forms built on hooks with minimal re-renders and built-in validation.
Recharts
A composable charting library for React, built on D3 and SVG.
Zustand
A small, fast React state management library with a hook-based API and no boilerplate.
