It would be great to have a port of the graphviz library ( https://github.com/ellson/graphviz ).

Debian package : https://packages.debian.org/source/sid/graphviz .
Homebrew formula : https://github.com/Homebrew/homebrew-core/blob/master/Formula/graphviz.rb .
Repology page : https://repology.org/metapackage/graphviz/versions .