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.

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

Meteor, the JavaScript App Platform

It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com.

MongoDB object modeling designed to work in an asynchronous environment.

💌 An extensible desktop mail app built on the modern web. Forks welcome!

Minimal templating on steroids.

Less. The dynamic stylesheet language.

MJML: the only framework that makes responsive-email easy

A JavaScript bundle optimizer.

Simple library for handling keyboard shortcuts in Javascript

The Backbone Framework

Lovefield is a relational database for web apps. Written in JavaScript, works cross-browser. Provides SQL-like APIs that are fast, safe, and easy to use.

A component-based, event-driven JavaScript framework from Twitter

🎉 Flexible invoicing desktop app with beautiful & customizable templates.

A streaming approach to JSON. Oboe.js speeds up web applications by providing parsed objects before the response completes.

Sweeten your JavaScript.

JavaScript source code visualization, static analysis, and complexity tool

Rich content editing entirely re-imagined for the web

A workflow for building Backbone applications.

Growl-style alerts and messages for your app. #hubspot-open-source

✨ Infinite scrolling date-picker built with React, with localization, range selection, themes, keyboard support, and more.

commandline chromecast player

Lightweight MVC library for building JavaScript applications

Tiled scrollable window management for Gnome Shell

📆 a jQuery calendar plugin that uses HTML templates

Pluggable components to add a kanban board to your application

jQuery plugin. Reorder and filter items with a nice shuffling animation.

Guiders.js: A Javascript library for guiders.