Meteor

Meteor is a set of new technologies for building top-quality web apps in a fraction of the time.

Free Open Source Mac OS X Windows Linux

Polymer

Polymer is a library that uses the latest web technologies to let you create custom HTML elements. Build anything from a button to a complete application as an encapsulated, reusable element that works across desktop and mobile.

Free Open Source Mac OS X Windows Linux

Aurelia

Aurelia is a JavaScript client framework that leverages simple conventions to empower your creativity.

Free Open Source Mac OS X Windows Linux Web

FeathersJS

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.

Free Open Source Self-Hosted Node.JS