I usually use mermaid.js... From time to time I use svgbob[1]. Sometimes paired with textik[2] or asciiflow[3]. Together with markdown and termsvg[4] these al

I usually use mermaid.js... From time to time I use svgbob[1]. Sometimes paired with textik[2] or asciiflow[3]. Together with markdown and termsvg[4] these also can be handy for documentation purposes. 1: https://ivanceras.github.io/svgbob-editor https://ivanceras.github.io/svgbob-editor 2: https://textik.com/ https://textik.com/ 3: https://asciiflow.com https://asciiflow.com 4: https://github.com/MrMarble/termsvg https://github.com/MrMarble/termsvg