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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Motion
A hybrid JavaScript and React animation library built for 120fps gestures, springs, and layout transitions.
esbuild
An extremely fast JavaScript and CSS bundler and minifier written in Go.
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.
posthog-js
The official browser SDK for PostHog — autocapture, session replay, feature flags, and surveys in one drop-in script.
React Hook Form
Performant, flexible React forms built on hooks with minimal re-renders and built-in validation.
AWS SDK for JavaScript (S3 Client)
The official modular AWS SDK v3 client for Amazon S3, with TypeScript-first APIs and streaming support.
Recharts
A composable charting library for React, built on D3 and SVG.
eslint-plugin-react
React-specific linting rules for ESLint that catch JSX bugs, enforce Hooks conventions, and keep prop usage consistent.
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.
eslint-plugin-import
ESLint rules that validate ES module import/export syntax and catch broken paths before they hit your build.
user-event
Simulates the full sequence of real browser events so Testing Library tests behave the way an actual user does.
Sentry JavaScript (@sentry/browser)
The official Sentry SDK for capturing errors, performance traces, and session replays in browser JavaScript apps.
i18next
The internationalization framework for JavaScript, with zero runtime dependencies and a pluggable ecosystem for every environment.
sharp
High-performance Node.js image processing powered by libvips, built for fast resizing and format conversion.
dnd-kit
A lightweight, extensible React library for building accessible drag-and-drop interfaces.
AI SDK
Provider-agnostic TypeScript toolkit for building AI apps and agents with any LLM.
react-i18next
React bindings for the i18next internationalization ecosystem, built on hooks and a translation-aware Trans component.
Chalk
The most popular Node.js library for styling terminal string output with ANSI colors.
next-themes
Perfect dark mode for React and Next.js apps in two lines of code, with zero flash on load.
react-day-picker
A lightweight, fully customizable date picker component for React applications.
