Greenhouse was Sproutcore's response to Atlas which was a Cappuccino product developed by YC company 280North.
In principle it worked very differently though; as you said, it was mostly a code generator. Atlas was a port of Cocoa's Interface Builder (which uses state/value serialization as opposed to code generation) to the web.
In principle it worked very differently though; as you said, it was mostly a code generator. Atlas was a port of Cocoa's Interface Builder (which uses state/value serialization as opposed to code generation) to the web.