graphviz: graphviz (Graph Visualization Library) graphviz: graphviz: Graph visualization is a way of representing structural information as graphviz: diagrams of abstract graphs and networks. Automatic graph drawing has graphviz: many important applications in software engineering, database and web graphviz: design, networking, and in visual interfaces for many other domains. graphviz: Graphviz is open source graph visualization software. It has several graphviz: main graph layout programs. It also has web and interactive graphical graphviz: interfaces, and auxiliary tools, libraries, and language bindings. graphviz: graphviz: