Build modern single-page React, Vue and Svelte apps using classic server-side routing and controllers.

Capture HTML elements as images with exceptional speed and accuracy.

Active development trunk for Yarn

The utility-first workflow you love from Tailwind CSS in your React Native applications.

Effortlessly build beautiful command-line apps

Remove unused CSS

Password protect a static HTML page, decrypted in-browser in JS with no dependency. No server logic needed.

Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript framework with multi-tenancy, lifecycle hooks, GraphQL API, and AI-assisted development via MCP server. Built for developers at large organizations.

JavaScript/TypeScript linter (ESLint wrapper) with great defaults

Simple reusable React error boundary component

Create beautiful diagrams just by typing notation in plain text.

A framework for building compiled Node.js add-ons in Rust via Node-API

Compiler for Elm, a functional language for reliable webapps.

A minimalist-friendly ~2.2KB routing for React and Preact

Create guided tours in your apps

TypeScript's 1:1 validator, optimized from editor to runtime

TypeScript's 1:1 validator, optimized from editor to runtime

Run commands concurrently. Like `npm run watch-js & npm run watch-less` but better.

The all-batteries-included GitHub SDK for Browsers, Node.js, and Deno.

A code editor component for the web

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

A powerful meta-prompting, context engineering and spec-driven development system that enables agents to work for long periods of time autonomously without losing track of the big picture

Llightweight, modern open-source CAPTCHA alternative using SHA-256 proof-of-work

Interactive Tables and Data Grids for JavaScript

Type-Safe Errors for JS & TypeScript

A better `npm publish`

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

An animated number component for React, Vue, Svelte, and TS/JS.

An extremely fast CSS parser, transformer, bundler, and minifier written in Rust.

Consistency Made Simple