Ember.js - A JavaScript framework for web apps

Formerly known as Amber.js or SproutCore 2.0 it now got it's own webiste at

http://www.emberjs.com/

The JavaScript-based framework Ember.js is heavily inspired by SproutCore and looks promising for building web applications in a modern manner.

Not much to see on the website yet, but the whole thing looks promising to me. Keepin' an eye on it ...