https://news.ycombinator.com/item?id=5411929
For what it's worth, the SproutCore 2.0 project became the Ember project (see http://yehudakatz.com/2011/12/12/amber-js-formerly-sproutcor...). SproutCore 2.0 was a brand-new codebase, which was renamed to Ember.js.