Home Research Analysis and Redesign of Biological Networks Software Downloads GitHub The GitHub repositories of the ARB group. CellNetAnalyzer A MATLAB-based toolbox with graphical user interface for biological network analysis. CNApy A Python-based variant of CellNetAnalyzer for metabolic network analysis with an intuitive and state-of-the-art graphical user interface. StrainDesign A Python-based package for the computational design of metabolic networks LiNA LiNA provides a graphic MATLAB tool for analyzing noise in biochemical reaction networks.