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.

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,…

Semantic is a UI component framework based around useful principles from natural language.

Meteor, the JavaScript App Platform

Video.js - open source HTML5 video player

Ace (Ajax.org Cloud9 Editor)

Less. The dynamic stylesheet language.

A package manager for the web

JavaScript parser / mangler / compressor / beautifier toolkit

JavaScript toolkit for creating interactive real-time graphs

The hassle-free way to integrate analytics into any web application.

Generate, parse, and enhance JavaScript stack traces in all web browsers

Source transformer enabling ECMAScript 6 generator functions in JavaScript-of-today.

@mention people in a textarea

Hipache: a distributed HTTP and websocket proxy

Asynchronous BDD & continuous testing for node.js

A fully featured Memcached client build on top of Node.js. Build with scaling in mind so it will support Memcached clusters and consistent hashing.

A plugin for the jQuery javascript library to generate small sparkline charts directly in the browser

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

GitHub-Powered AI for effortless development. Start as an open-source alternative to v0.dev.

Immutable state for React.js

JavaScript layout and representation of connected graphs.

JSON.parse/stringify with bigints support

Error tracking and logging from Javascript to Rollbar

Click-draggable. Range-makeable. A better calendar.

High level API and backend for writing web apps that use push messaging

A Webpack plugin to upload sourcemaps to Rollbar