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
Vue
Intuitive, fast & composable MVVM for building interactive interfaces.
Crypto Js
JavaScript library of crypto standards.
Spine
Lightweight MVC library for building JavaScript applications
Sails
Realtime MVC Framework for Node.js
Mithril.js
A Javascript Framework for Building Brilliant Applications
jsMessage
Custom messages, alerts, confirmations
Venus.js
where bugs go to die
Stimulus
A modest JavaScript framework for the HTML you already have
Jsblocks
Better MV-ish Framework
Express
Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
Firebase Js Sdk
Firebase Javascript SDK
Hoodie.js
hoodie super power to the frontend!
Gijgo
Gijgo - Free Javascript Controls
Derby
MVC framework making it easy to write realtime, collaborative applications that run in both Node.js and browsers
Ember
Ember.js is a JavaScript framework that does all of the heavy lifting that you'd normally have to do by hand. There are tasks that are common to every web app; Ember.js does those things for you, so you can focus on building killer features and UI.
Cube.js
📊 Serverless Analytics Framework