The 3D software I was using in my VSC lecture is Set.A.Light 3D by Elixxier Software. You can find out more about them here.
If you want to know more about Flash on Location, I have a couple of video tutorials and a couple of books.
Click here to learn more about my PDF ebook ‘Light It up’ (also available in Dutch here as a print book or ebook)
Click here for my full-length tutorial on Location Flash Photography (also available in Dutch here) (both are currently 50% off)