There's graph-easy, which generates ascii by default but can also do box chars, and even SVG and png, as well as generating graphviz and other output. It is no

There's graph-easy, which generates ascii by default but can also do box chars, and even SVG and png, as well as generating graphviz and other output. It is not WYSIWIG---you feed it a description of a diagram: echo "[ Berlin ] -- train --> [ Bonn ] [ Bonn ] --> [ Berlin ]" | graph-easy -as boxart resulting in ┌───────────────────┐ ∨ │ ┌────────┐ train ┌──────┐ │ Berlin │ ───────> │ Bonn │ └────────┘ └──────┘ https://github.com/ironcamel/Graph-Easy https://github.com/ironcamel/Graph-Easy