Uscript:
http://forum.unity3d.com/threads/84594-Introducing-the-uScript-Visual-Scripting-Tool-for-Unity!
Antares Vizio:
http://forum.unity3d.com/threads/59121-Visual-Logic-Editor-(Antares-VIZIO)-(video-amp-screens)
http://antares-universe.com/features

me to actually. phonybone is working on some major node system changes, eventually we’ll have nodification of everything in blender.