SciGraphica is a scientific data visualization and analysis application, supplying many of the basic plotting features for 2D and 3D charts. It features opening several worksheets and plots to work with at the same time and PS output.
with nodeCol you can create nodes and connect them with edges. then the script checks if there is a possibility to colorize the nodes with a specific number of colors without having two nodes, connectet with one edge, getting the same color.