I have experimented with both GC and Grasshopper. Check this link for comparison (http://designplaygrounds.com/deviants/rhino-grasshopper-vs-generative-components/). To my limited experience, Grasshopper is much easier to learn than GC .

Revit or Project Vassari from autodesk is also another tool that has some limited capability for generative design. check this website (http://buildz.blogspot.com/).

All of these applications require some knowledge of scripting if you want to do very complex forms with parametric functionality. I still prefer to use MOI for conceptual design. It is fast , easy use and enjoyable. In my opinion you can probably be able to do some fairly complex forms specially with available scripts and two new added feature (flow and twist commands)

-sharif

Hi! Thank you everybody opinion. I like your points. Actually I concentrate liveable things not that strange things from star wars :), So my aim to construct some structural elements determined upon logical geometry shapes such as curtain walls, frames etc. with many detail. For example If a screw fix changing needless to construct all of them. As well as there are many other things to exploit such as equation based graphics formula such as sun path diagrams, linear heat transfer figures and so on. That node based script engine is not just only crazy things, I believe. I just want to say it would be cool to see in moi. happy new year!