Pagerjs
The Single Page Application Framework for KnockoutJS
Framework7
Full Featured HTML Framework For Building iOS & Android Apps
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.
Angular.js
AngularJS lets you write client-side web applications as if you had a smarter browser. It lets use good old HTML (or HAML, Jade and friends!) as your template language and lets you extend HTML’s syntax to express your application’s components clearly and succinctly
Express
Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
Ink
An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping
Layr
Dramatically simplify full‑stack development
Flux
Application Architecture for Building User Interfaces
Loopback
LoopBack makes it easy to build modern applications that require complex integrations.
Flakes
Flakes is an Admin Template Framework. A combination of CSS Libraries, JavaScript Libraries and Design files that help you build business tools very quickly.
Postal.js
JavaScript pub/sub library supporting some advanced subscription features, plus message capture and replay
Junior
A front-end framework for building html5 mobile apps with a native look and feel.
Mithril.js
A Javascript Framework for Building Brilliant Applications
Flight
A lightweight, component-based 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.
Inkline
Inkline is the customizable Vue.js UI/UX Library designed for creating flawless responsive websites.
Montage
Core framework: Montage simplifies the development of rich HTML5 applications by providing modular components, real-time two-way data binding, CommonJS dependency management, and many more conveniences. Join us on irc.freenode.net#montage or https://groups.google.com/d/forum/montagejs