still node based, but open source, in blender land there is sverchok: http://nortikin.github.io/sverchok/Gallery http://nortikin.github.io/sverchok/Gallery pro

still node based, but open source, in blender land there is sverchok: http://nortikin.github.io/sverchok/Gallery http://nortikin.github.io/sverchok/Gallery probably your closest bet imo. they're honest about the strengths and weaknesses, and while it doesn't have all the conveniences of commercial packages, the script node is there and can bring everything in sverchok and blender to bear in python.