|  | 
|  | ast | 
|  | 
|  | cdt | 
|  | container data types, API cdt.h 
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|  | 
|  | cgraph | 
|  | abstract graph C library, API cgraph.h 
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|  | 
|  | circogen | 
|  | circular layout engine, API circogen/circo.h 
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|  | 
|  | common | 
|  | common code for layout engines 
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|  | 
|  | dotgen | 
|  | hierarchical or layered layout engine, API dotgen/dotprocs.h 
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|  | 
|  | edgepaint | 
|  | 
|  | expr | 
|  | expression library for lib/gvpr/, API expr.h 
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|  | 
|  | fdpgen | 
|  | Force-Directed Placement layout engine, API fdpgen/fdp.h 
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|  | 
|  | glcomp | 
|  | OpenGL GUI for cmd/smyrna. 
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|  | 
|  | gvc | 
|  | Graphviz context library, API gvc.h. 
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|  | 
|  | gvpr | 
|  | graph pattern scanning and processing language, API gvpr.h 
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|  | 
|  | label | 
|  | 
|  | mingle | 
|  | 
|  | neatogen | 
|  | "spring model" layout engine, API neatogen/neatoprocs.h 
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|  | 
|  | ortho | 
|  | 
|  | osage | 
|  | clustered layout engine, API osage/osage.h 
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|  | 
|  | pack | 
|  | support for connected components, API pack.h 
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|  | 
|  | patchwork | 
|  | squarified treemap layout engine, API patchwork/patchwork.h 
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|  | 
|  | pathplan | 
|  | finds and smooths shortest paths, API pathplan.h 
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|  | 
|  | rbtree | 
|  | 
|  | sfdpgen | 
|  | scalable Force-Directed Placement layout engine, API sfdpgen/sfdp.h 
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|  | 
|  | sfio | 
|  | 
|  | sparse | 
|  | 
|  | topfish | 
|  | 
|  | twopigen | 
|  | radial layout engine, API twopigen/circle.h 
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|  | 
|  | util | 
|  | 
|  | vpsc | 
|  | library for solving the Variable Placement with Separation Constraints problem for lib/neatogen 
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|  | 
|  | xdot | 
|  | parsing and deparsing of xdot operations, API xdot.h 
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|  |