A professional front-end template for building fast, robust, and adaptable web apps or sites.

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.

JavaScript parser / mangler / compressor / beautifier library for NodeJS

A sizzlin' hot selector engine.

PEG.js: Parser generator for JavaScript

Dojo 1 - the Dojo 1 toolkit core library.

Attempts to create stack traces for unhandled JavaScript exceptions in all major browsers.

A lightweight, mobile-ready, data-driven, modular grid widget designed for use with dstore

Multilingual, Offline and Lightweight Spellchecker for Visual Studio Code

A high-performance, lightweight function for creating and manipulating DOM elements with succinct, elegant, familiar CSS selector-based syntax

DEPRECATED: An easier way to convert ES6 modules to AMD and CommonJS

A declarative, reactive framework that extends CSS

TS 1.4+: completion, error highlighting, build, snippets, quickinfo, ...

Using intern to unit/functional test your esri JavaScript API apps.

An experimental library for parsing JavaScript files and extracting inline documentation.

a JavaScript LL(1) parser in JavaScript