Meteor
Meteor, an ultra-simple, database-everywhere, data-on-the-wire, pure-Javascript web framework.
Joosy
Joosy is a browser applications framework. That is based on Rails, CoffeeScript and love.
Jsblocks
Better MV-ish Framework
Stimulus
A modest JavaScript framework for the HTML you already have
Mobx
Simple, scalable state management.
Hasher
Browser history manager for rich media websites
Canjs
Can do JS, better, faster, easier.
Path.js
Simple, lightweight routing for web browsers
Angular Meteor
Combining the simplicity and power of AngularJS and Meteor
Maria
The MVC framework for JavaScript applications. The real MVC. The Smalltalk MVC. The Gang of Four MVC.
Componentjs
ComponentJS -- Powerful run-time Component System for structuring HTML5-based Rich Clients
Prime
an OOP javascript library for node.js and the browsers
Straw
Realtime processing framework for Node.js
Stapes
a (really) tiny Javascript MVC microframework
Nuxt.js
The Vue.js Developers Framework
Sproutcore
JavaScript Application Framework - JS library only
Spine
Lightweight MVC library for building JavaScript applications