Google Analytics on Steroids. A Google Analytics implementation with more power features.
A small, fast module and resource loader with dependency management. (AMD, CommonJS Modules/1.1, CSS, HTML, etc.)
Knockout.js observable arrays get smarter
Peer-to-peer networking with browsers
:globe_with_meridians: Internationalization plugin for Vue.js
window.fetch wrapper for writing simple and expressive requests
A plugin to make Backbone.js keep track of nested attributes.
A solid, fast Promises/A+ and when() implementation, plus other async goodies.
A history service for AngularJS. Undo/redo, that sort of thing. Has nothing to do with the "back" button, unless you want it to.
A simple, modern, browser notification system