convert-source-map
Converts a source-map from/to different formats and allows adding/changing properties.
Updated by @thlorenz
ua-parser-js
Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent data. Supports browser & node.js environment
Updated by @faisalman
domain-browser
Node's domain module for the web browser. This is merely an evented try...catch with the same API as node, nothing more.
Updated by @evansolomon
screenfull
Simple wrapper for cross-browser usage of the JavaScript Fullscreen API, which lets you bring the page or any element into fullscreen.
Updated by @sindresorhus
backbone
Give your JS App some Backbone with Models, Views, Collections, and Events.
Updated by @braddunbar