Jquerypp
jQuery's missing utils and special events
Node Browserify
browser-side require() the node.js way
Loglevel
Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
Intercooler Js
Making AJAX as easy as anchor tags
Flow Js
Javascript Library for Multi-step Asynchronous Logic
Then.js
The fastest, smallest, fully compatible, full-featured asynchronous module!
History.js
History.js gracefully supports the HTML5 History/State APIs (pushState, replaceState, onPopState) in all browsers. Including continued support for data, titles, replaceState. Supports jQuery, MooTools and Prototype. For HTML5 browsers this means that you can modify the URL directly, without needing to use hashes anymore. For HTML4 browsers it will revert back to using the old onhashchange functionality.
Jwerty
Awesome handling of keyboard events
Grapnel.js
A simple, lightweight library making it easy to create routes or run events based on a specific URL hashtag.
Fluxxor
Flux architecture tools for React
Backbone Associations
Create object hierarchies with Backbone models; Respond to hierarchy changes using regular Backbone events.
Webshim
Webshims Lib is a modular capability-based polyfill-loading library
Amplify
AmplifyJS is a set of components for data management and application communication.
Tock
Timer Object/Class. Kickass!
Routie
a tiny javascript hash router
Machina.js
js ex machina - finite state machines in JavaScript
Ng Sweet Alert
:loudspeaker: Sweetalert directive for angular js( angular sweetalert), without writing single javascript code