ExpressJS!

Build incredible real-time applications in record time. Feathers is a real-time, micro-service web framework for NodeJS that gives you control over your data via RESTful resources, sockets and flexible plug-ins.

Sails.js make it easy to build custom, enterprise-grade Node.js apps. It is designed to mimic the MVC pattern of frameworks like Ruby on Rails, but with support for the requirements of modern apps: data-driven APIs with scalable, service-oriented architecture. It's especially good for building chat, realtime dashboards, or multiplayer games.

You can write less code with Ember's Handlebars integrated templates that update automatically when the underlying data changes.

Durandal is a cross-device, cross-platform client framework written in JavaScript and designed to make Single Page Applications (SPAs) easy to create and maintain.

Both Knockout.js and Backbone.js have their strengths and weaknesses, but together they are amazing! With Knockback.js, you can use the strong ORM provided by Backbone and create dynamic views using Knockout bindings.

The Famous Engine is a free and open source JavaScript rendering engine. What makes the Famous Engine unique is its JavaScript rendering engine and 3D physics engine that gives developers the power and tools to build native quality apps and animations using pure JavaScript. It is designed to allow developers the ability to render to both DOM and WebGL in a unified API.

A non-opinionated, totally customizable JavaScript framework designed for writing programs that scale across any platform.

The Harp Platform is the easiest way for anyone to create an exceptional website. Landing Pages, galleries, blogs, e-commerce, domains, hosting, analytics, 24/7 support - all included.

Free web application framework for building Web sites and Web applications using JavaScript, HTML and CSS.