The library for web and native user interfaces.

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

JavaScript Style Guide

Node.js JavaScript runtime ✨🐢🚀✨

jQuery JavaScript Library

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

The 1.x line is frozen - features and bugfixes now happen on https://github.com/yarnpkg/berry

JavaScript's utility _ belt

MongoDB object modeling designed to work in an asynchronous environment.

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

🏊🏾 Simplified HTTP request client.

JavaScript Testing utilities for React

pushState + ajax = pjax

Minimal templating with {{mustaches}} in JavaScript

An easily internationalizable, mobile-friendly datepicker library for the web

Integrated end-to-end testing framework written in Node.js and using W3C Webdriver API. Developed at @browserstack

React-specific linting rules for ESLint

Collection of classic computer science paradigms, algorithms, and approaches written in JavaScript.

JSHint is a tool that helps to detect errors and potential problems in your JavaScript code

the package manager for JavaScript

A querystring parser with nesting support

ECMAScript 5 compatibility shims for legacy (and modern) JavaScript engines

A service for server-side rendering your JavaScript views

tap-producing test harness for node and browsers

ESLint plugin with rules that help validate proper imports.

A JavaScript Sound API supporting MP3, MPEG4 and HTML5 audio + RTMP, providing reliable cross-browser/platform audio control in as little as 12 KB. BSD licensed.

Runtime type checking for React props and similar objects

Render your Backbone.js apps on the client and the server, using Node.js.

Hierarchical node.js configuration with files, environment variables, command-line arguments, and atomic object merging.

A JavaScript implementation of Git.