The Web Audio API, developed by the W3C Audio WG
A light-weight but powerful templating engine, highly extensible, without DOM or jQuery dependency.
Faster alternative to Ramda in just 10kB
DevExtreme Reactive Components
Console for mobile browsers and webviews.
XSound gives Web Developers Powerful Audio Features Easily !
The official jQuery user interface library.
Barcode generation library that works in both the browser and on Node.js http://lindell.me/JsBarcode