Graph visualization is a way of representing structural information as diagrams of abstract graphs and networks. It has several main graph layout programs as well as web and interactive graphical interfaces, and auxiliary tools, libraries, and language bindings. Takes descriptions of graphs in a simple text language, and makes diagrams in several useful formats such as images and SVG for web pages, Postscript for inclusion in PDF or other documents; or display in an interactive graph browser. In practice, graphs are usually generated from an external data sources, but they can also be created and edited manually, either as raw text files or within a graphical editor.
GraphViz requires considerable technical knowledge to use but is extremely flexible, as you’ll see if you visit the gallery.
Price: Free (open source)
Top Picks are tools that are in the mainstream of mapping or are significant
because they have special attributes that you won’t easily find in other tools.
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