Frontless
Build universal JS applications with Riot.JS
Annyang
A javascript library for adding voice commands to your site, using speech recognition.
Amplitudejs
A Javascript library that allows you to control the design of your media controls in your webpage -- not the browser. No dependencies (jQuery not required)
Sco.js
Javascript extensions for twitter bootstrap
Holder
Holder renders image placeholders entirely on the client side.
Fit Text.js
A jQuery plugin for inflating web type
Dropbox JS
JavaScript client library for the Dropbox API
Web Rx
WebRx is a Javascript MVVM-Framework built on ReactiveX for Javascript (RxJs) that combines functional-reactive programming with Observable-driven declarative Data-Binding, Templating and Client-Side Routing.
Wysiwyg Editor
A flat designed jQuery WYSIWYG text editor based on HTML5, free only for non-commercial projects. For commercial applications you have to purchase a license from
Stratifiedjs
Oni StratifiedJS (previously Apollo)
Lodash
An alternative to Underscore.js, delivering consistency, customization, performance, and extra features.
Jade
Jade - robust, elegant, feature rich template engine for nodejs
JSON.js
JSON in JavaScript
Hook.js
Pull to refresh. For the web.
Heatmap.js
JavaScript Library for HTML5 canvas based heatmaps
Do Mtastic
Small & fast DOM and event library for modern browsers.
Bootstrap Switch
unofficial bootstrap switch