Parametric design in MoI?

 From:  Psygorn (DRILLBIT)
7713.892 In reply to 7713.891 
Hi PILOU,

What is the difference between your Elephant & Max's Node editor?
Are they the same?
Your website provides the latest version of it?
Or we should go to Max's webpage?

I get kind of confused what is VF what is VO? and which version works best on MOI V 4.0?
I am using Windows.