Give your JS App some Backbone with Models, Views, Collections, and Events
Observable data. Reactive functions. Simple code.
Simple, scalable state management.
The Vue.js Developers Framework
Jade - robust, elegant, feature rich template engine for nodejs
Application Architecture for Building User Interfaces
LoopBack makes it easy to build modern applications that require complex integrations.
Ajax with less suck - (and node.js HTTP client to match)
Full Featured HTML Framework For Building iOS & Android Apps
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration. An extension to the Mustache templating language created by Chris Wanstrath.
The de-facto solution to flexible routing with nested views
Realtime MVC Framework for Node.js
browser-side require() the node.js way