Graphviz ships with a tool called dotty that can be used for visual graph editing. It's a bit cumbersome but does work. https://www.graphviz.org/pdf/dottyguide

Graphviz ships with a tool called dotty that can be used for visual graph editing. It's a bit cumbersome but does work. https://www.graphviz.org/pdf/dottyguide.pdf https://www.graphviz.org/pdf/dottyguide.pdf Edit: I don't know of a really good visual tool as I've found text editing .dot files directly with a live visualization pretty nice. I use graphviz pretty regularly.