Graphviz

Graphviz
DevelopersAT&T Labs Research and contributors
Initial releasebefore 1991 (1991)
Stable release
14.1.3 / 3 March 2026 (3 March 2026)
Written inC
Operating systemLinux, macOS, Windows
TypeGraph visualization
LicenseEclipse Public License
Websitegraphviz.org
Repositorygitlab.com/graphviz/graphviz

Graphviz (short for Graph Visualization Software) is a package of open-source tools initiated by AT&T Labs Research for drawing graphs (as in nodes and edges, not as in bar charts) specified in DOT language scripts having the file name extension "gv". It also provides libraries for software applications to use the tools. Graphviz is free software licensed under the Eclipse Public License.