Cerebral
A state controller with its own debugger
Dozerjs
Foundational Framework for NodeJS Web Services
Jsblocks
Better MV-ish Framework
Cycle Core
A fully reactive JavaScript framework for Human-Computer Interaction
Optics
Profunctor implementation of Lenses, Prisms, Traversals, Isos, etc.
Stimulus
A modest JavaScript framework for the HTML you already have
Google Closure Library
git-svn mirror of Google's Closure Library.
Tungstenjs
Tungsten.js is a modular framework for creating web UIs with high-performance rendering on both server and client.
Mobx
Simple, scalable state management.
Serenade.js
Client side MVC framework
Abaaso
A modern, lightweight enterprise-class RESTful JavaScript application framework.
Canjs
Can do JS, better, faster, easier.
Crypto Js
JavaScript library of crypto standards.
Web Rx
WebRx is a Javascript MVVM-Framework built on ReactiveX for Javascript (RxJs) that combines functional-reactive programming with Observable-driven declarative Data-Binding, Templating and Client-Side Routing.
Delorean
An Agnostic, Complete Flux Architecture Framework
Backbone
Give your JS App some Backbone with Models, Views, Collections, and Events
Impress
Impressive totalitarian style Multipurpose Application Server for node.js. All decisions are made. Solutions are scaled. Tools are provided and optimized for high load. Ready for applied development and production.