In the following, replace the names of the class categories with those you are interested in, then do it. You will see the dependencies between those categories and a virtual "everything else" category.
prefixes _ { 'FullMorphic'. 'CoreMorphic'. 'EToys'. 'BalloonMMFlash'}.
mma _ MultiModuleAnalyzer onSystemAndPackagesNamed: prefixes.
mma showPackageGraph.
NCSimulatedAnnealingGraphLayoutAlgorithm layoutWorld.