There are a few others as well. Syntax Diagram Generator https://lukaslueg.github.io/macro_railroad_wasm_demo/ https://lukaslueg.github.io/macro_railroad_wasm_

There are a few others as well. Syntax Diagram Generator https://lukaslueg.github.io/macro_railroad_wasm_demo/ https://lukaslueg.github.io/macro_railroad_wasm_demo/ GrammKit https://dundalek.com/grammkit/ https://dundalek.com/grammkit/ DrawGrammar https://jacquev6.github.io/DrawGrammar/ https://jacquev6.github.io/DrawGrammar/ There are other kind of text-to-diagram tools which I occasionally find (usually here on HN) and add in this list https://xosh.org/text-to-diagram/ https://xosh.org/text-to-diagram/