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.
postcss
A CSS transformation engine that parses styles into an AST, letting JS plugins lint, prefix, and rewrite CSS — the foundation beneath Autoprefixer, Tailwind, and 200+ other tools.
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.
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-markdown
Safely render Markdown as React elements, no dangerouslySetInnerHTML required
Motion
A hybrid JavaScript and React animation library built for 120fps gestures, springs, and layout transitions.
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.
TanStack Table
Headless, type-safe tables and datagrids for React, Vue, Solid, and more.
Sonner
An opinionated, animated toast notification component for React with a tiny imperative API.
ws
A simple, blazing-fast, thoroughly tested WebSocket client and server library for Node.js.
user-event
Simulates the full sequence of real browser events so Testing Library tests behave the way an actual user does.
Requests
The elegant, human-friendly HTTP library that made Python's most-used API for talking to the web.
Marked
A fast, low-level Markdown compiler that parses CommonMark and GFM into HTML in Node.js, browsers, or the CLI.
i18next
The internationalization framework for JavaScript, with zero runtime dependencies and a pluggable ecosystem for every environment.
