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Graphviz

Graphviz is an open-source graph visualization project that renders structural information as diagrams of graphs and networks, using the DOT language and layout engines such as dot and neato. Current versions are licensed only under the Eclipse Public License 2.0.

Licensing at a Glance

  • Open source

  1. Current versions of Graphviz are licensed on an open-source basis only, under the Eclipse Public License version 2.0.[1]

  2. The Graphviz source repository's LICENSE file contains the Eclipse Public License v2.0.[2]

  3. AT&T previously released Graphviz under the AT&T Source Code Agreement version 1.2D and earlier; anyone who received a copy under that agreement may keep using and distributing that same version under its terms.[3]

  4. The Graphviz licence page was updated on 7 March 2026 to reflect a change from the Common Public License 1.0 to the Eclipse Public License 2.0.[4]

Products

References

  1. License | Graphviz · graphviz.org · retrieved 2026-09-27
  2. Graphviz LICENSE (GitLab) · gitlab.com · retrieved 2026-09-27
  3. License | Graphviz · graphviz.org · retrieved 2026-09-27
  4. License | Graphviz · graphviz.org · effective 2026-03-07 · retrieved 2026-09-27
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