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.
React Hook Form
Performant, flexible React forms built on hooks with minimal re-renders and built-in validation.
posthog-js
The official browser SDK for PostHog — autocapture, session replay, feature flags, and surveys in one drop-in script.
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.
ws
A simple, blazing-fast, thoroughly tested WebSocket client and server library for Node.js.
Sonner
An opinionated, animated toast notification component for React with a tiny imperative API.
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.
sharp
High-performance Node.js image processing powered by libvips, built for fast resizing and format conversion.
i18next
The internationalization framework for JavaScript, with zero runtime dependencies and a pluggable ecosystem for every environment.
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.
