Stampit
Create objects from reusable, composable behaviors.
Is.js
Micro check library
Foundation
The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites and apps that work on any kind of device.
Alertify.js
JavaScript Alert/Notification System
Mediator.js
An implementation of the mediator pattern for asynchronous events in Javascript
Loopback
LoopBack makes it easy to build modern applications that require complex integrations.
Framework7
Full Featured HTML Framework For Building iOS & Android Apps
Node Browserify
browser-side require() the node.js way
Steal
Gets JavaScript
Head js
The only script in your HEAD. Head JS loads JavaScript files in parallel like images without blocking the page. Your page will be faster. Even with a single combined file.
Backbone.stickit
Backbone data binding, model binding plugin. The real logic-less templates.
Director
a tiny and isomorphic URL router for JavaScript
Jquery Timeago
Timeago is a jQuery plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago").
Hogan.js
A compiler for the Mustache templating language
Ripple
A tiny foundation for building reactive views
Bottlejs
A powerful, extensible dependency injection micro container for JavaScript applications