web development for the rest of us

Prettier is an opinionated code formatter.

Fast, easy and reliable testing for anything that runs in a browser.

🖤 Create and share beautiful images of your source code

Fast and low overhead web framework, for Node.js

Create the next immutable state by mutating the current one

Find and fix problems in your JavaScript code.

📦🚀 Fully automated version management and package publishing

web development, streamlined

Markdown for the component era

Redux DevTools extension.

🏎 A set of primitives to build simple, flexible, WAI-ARIA compliant React autocomplete, combobox or select dropdown components.

Zero-config CLI for TypeScript package development

🎉 performant confetti animation in the browser

An HTTP/1.1 client, written from scratch for Node.js

tap-producing test harness for node and browsers

Deliver experiences best suited to a user's device and network constraints

Pa11y is your automated accessibility testing pal

🐙 Simple and complete DOM testing utilities that encourage good testing practices.

uvu is an extremely fast and lightweight test runner for Node.js and the browser

🐅 Simple and complete custom Cypress commands and utilities that encourage good testing practices.

The tiniest and the fastest library for terminal output formatting with ANSI colors

Vercel's engineering style guide

Simple argument parsing

CLI for common Playwright actions. Record and generate Playwright code, inspect selectors and take screenshots.

Intelligent enterprise-grade reference architecture for JavaScript, featuring OpenAI integration, Azure Developer CLI template and Playwright tests.

Simple and complete DOM testing playground that encourage good testing practices.

Really Fast Deep Clone

🐿️ Simple and complete Svelte DOM testing utilities that encourage good testing practices

🤖 A GitHub App to automate acknowledging contributors to your open source projects