A collection of bad practices in HTML found on real websites.

The next-generation ad blocker for Safari.

Use your Mac trackpad as a weighing scale

A custom JSX pragma that enables declarative slottable components for powering asChild or render function prop patterns.

Utilities for debouncing, throttling, rate limiting, and queueing. Non-async and Async.

A web component for comparing images with a slider.

Custom React directives

A CSS framework for building faithful recreations of operating system GUIs.

A design system for building faithful recreations of old UIs

A design system for building retro Apple interfaces

⭐ A place to find the best components to build amazing web applications. The best of JavaScript!

Fast and lightweight DOM diffing/patching (no virtual DOM needed)

Can I email… Support tables for HTML and CSS in emails.

Virtual machines for iOS and macOS

⚡️Faster subsequent page-loads by prefetching in-viewport links during idle time

A light-weight `html` tagged template string function for writing declarative-reactive web apps. Zero dependencies.

Useful CSS custom functions using the new @​function rule

The JavaScript / Wasm runtime that powers Cloudflare Workers

⛅️ Home to Wrangler, the CLI for Cloudflare Workers®

Enables you to make one HTML form field show (or not) based on the value(s) of another field

A polyfill for the HTMLDialogElement closedBy attribute, providing control over how modal dialogs can be dismissed.

The next-generation file converter. Open source, fully local* and free forever.

🎏 A curated collection of all country flags in SVG — plus the CSS for easier integration

Catch unnecessary React useEffect hooks to make your code simpler, faster, and safer.

Replace zsh's default completion selection menu with fzf!

Native viewport with custom scrollbars 🖱️

Shopify's Horizon theme source code

The privacy-first, self-hosted CAPTCHA for the modern web.