Ractive
Next-generation DOM manipulation
Framework7
Full Featured HTML Framework For Building iOS & Android Apps
Junior
A front-end framework for building html5 mobile apps with a native look and feel.
Durandal
A cross-device, cross-platform client framework written in JavaScript and designed to make building Single Page Applications (SPAs) easy to create and maintain.
Sails
Realtime MVC Framework for Node.js
Loopback
LoopBack makes it easy to build modern applications that require complex integrations.
Ink
An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping
Uranium
Universal css-in-js media queries for React Native and React
Aurelia Framework
The aurelia framework brings together all the required core aurelia libraries into a ready-to-go application-building platform.
Layr
Dramatically simplify full‑stack development
Flux
Application Architecture for Building User Interfaces
Chaplin
An Application Architecture Using Backbone.js
Qooxdoo
A Universal JavaScript Framework
Famous
Famo.us is a powerful JavaScript framework designed to build rich, interactive web applications. It is the only framework that provides an open source 3D layout engine fully integrated with a 3D physics-based animation engine that can render to DOM, Canvas, or WebGL. Famo.us is currently in public beta.
Postal.js
JavaScript pub/sub library supporting some advanced subscription features, plus message capture and replay
Winjs
WinJS project by Microsoft Open Technologies