The Scaffold Tree - Visualization of the Scaffold Universe by Hierarchical Scaffold Classification. - Ansgar Schuffenhauer; Peter Ertl; Silvio Roggo; Stefan Wetzel; Marcus A. Koch; Herbert Waldmann (J. Chem. Inf. Model., 2007)

Scaffold Hunter - Interactive Exploration of Chemical Space. - Karsten Klein 001; Nils M. Kriege; Petra Mutzel; Herbert Waldmann; Stefan Wetzel (GD, 2009)