Wikipedia
Xfrog
Xfrog (X Window Finite Recursive Object Generator) is 3D computer graphics software that runs on Microsoft Windows or as a plug-in for Windows and Mac-OS versions of Autodesk Maya and Maxon Cinema 4D. Xfrog was originally developed by Oliver Deussen and Bernd Lintermann while at the University of Karlsruhe based on their research into natural systems and systematic processes found in nature.