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Company / Author[edit]

AT&T (originally)


Click for enlarged image.

What they say[edit]

“Graph visualization is a way of representing structural information as diagrams of abstract graphs and networks. Automatic graph drawing has many important applications in software engineering, database and web design, networking, and in visual interfaces for many other domains.

Graphviz is open source graph visualization software. It has several main graph layout programs. It also has web and interactive graphical interfaces, and auxiliary tools, libraries, and language bindings.

The Graphviz layout programs take descriptions of graphs in a simple text language, and make 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. (Graphviz also supports GXL, an XML dialect.)

Graphviz has many useful features for concrete diagrams, such as options for colors, fonts, tabular node layouts, line styles, hyperlinks, and custom shapes.

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 was not intended to be a Visio replacement, so it is probably frustrating to try to use it that way.)”


Graph Visualization Software. See also ‘Tomboy mindmap’. This requires considerable technical knowledge to use but is extremely flexible, as the gallery at shows

Their website[edit]

Operating System(s)[edit]

Linux | Mac

Price: Free (open source)  |  Status: Current  |  Date added: 2007-04-16

For free information about visual thinking techniques, visit the
Visual Thinking Center