graphviz is maintained by Ivan Lazar Miljenovic. He can be contacted by email or on IRC under the nickname
ivanm. He also follows the firstname.lastname@example.org and email@example.com mailing lists.
About this website
This website was written at the urgings of Eric Kow who felt that graphviz could use some better more comprehensive documentation. It was built using pandoc with extra advice and help from its author John MacFarlane.