web development for the rest of us

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs,…

Find and fix problems in your JavaScript code.

A tiny (124 bytes), secure, URL-friendly, unique string ID generator for JavaScript

String validation

Normalizes nested JSON according to a schema

Shared data types for building collaborative software

a 2D rigid body physics engine for the web ▲● ■

Accelerated JavaScript animation.

JavaScript library of crypto standards.

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:

A simple, zero-configuration, command-line http server

Zero-config CLI for TypeScript package development

Beautiful and accessible math in all browsers

Create, read and edit .zip files with Javascript

Test spies, stubs and mocks for JavaScript.

markdown processor powered by plugins part of the @unifiedjs collective

markdown preview plugin for (neo)vim

A library of dependency-free JavaScript utilities that do just one thing.

A tiny script for generating attractive colors

JavaScript GIF encoding library

Read and write OpenType fonts using JavaScript.

Scroll Behavior polyfill

SVG component to create placeholder loading, like Facebook cards loading.

An open file format for infinite canvas data.

An infinite scroll plugin for Vue.js.

Mesh replacement for THREE.Line

Window.js is an open-source Javascript runtime for desktop graphics programming.

🍃 Create Elm apps with zero configuration

A simple Node.js client library for Oauth2