Hooks for virtualizing scrollable elements in React
Super-fast alternative to Babel for when you can target modern JS runtimes
Extract design tokens (colors, typography, spacing, border radius, shadows) from any public website. Generates JSON and CSS custom properties for local projects. Available as an AI agent skill (Claude, Cursor, Codex) and standalone CLI.
A React hook that updates useRef().current with the most recent value each invocation
Create guided tours for your apps
The Quill rich-text editor as a React component.
A React hook that fires a callback whenever ResizeObserver detects a change to its size
A React hook for the IntersectionObserver API that uses a polyfill when the native API is not available
Checksum.ai test runtime
A native implementation of base64 in C++ for React Native
A React hook that uses useEffect() on the server and useLayoutEffect() in the browser
ARC authorization extension for loopback-next applications.
XState tools for React
A loopback-next extension for soft delete feature.
frames.js is a TypeScript library and framework for writing and testing Farcaster Frames.
A Fluent AI package
React draggable component
Privacy-first CAPTCHA widget, compliant with global regulations (GDPR/HIPAA/CCPA/LGDP/DPDPA/PIPL) and WCAG accessible. No tracking, self-verifying.
React Hooks library for remote data fetching
The default React development toolchain provided by Yext
A fast implementation of Node's `crypto` module written in C/C++ JSI
A React wrapper for Kapsule-style web components
Fastest deep equal comparison for React. Great for React.memo & shouldComponentUpdate. Also really fast general-purpose deep comparison.
A React hook for debouncing setState and other callbacks