Jquery Timeago
Timeago is a jQuery plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago").
Winjs
WinJS project by Microsoft Open Technologies
Pusher Js
Pusher Javascript 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.
Backbone Layout Manager
A layout and template manager for Backbone.js applications.
Alertify.js
JavaScript Alert/Notification System
Csso
CSS-optimizer
Lovli.js
A boilerplate for developing react+redux applications with rethinkdb/horizon as realtime database and express for the server.
Grips
Simple-logic templates
Chaplin
An Application Architecture Using Backbone.js
Cloudinary Js
Cloudinary JavaScript library
Inferno
An extremely fast, React-like JavaScript library for building modern user interfaces
Postal.js
JavaScript pub/sub library supporting some advanced subscription features, plus message capture and replay
Vue
Intuitive, fast & composable MVVM for building interactive interfaces.
Director
a tiny and isomorphic URL router for JavaScript
Is.js
Micro check library
jsMessage
Custom messages, alerts, confirmations