I really like PlantUML, because you can just define diagrams as plain text. I use the VS Code plugin for PlantUML + Markdown - easy generation of PNG for use o

I really like PlantUML, because you can just define diagrams as plain text. I use the VS Code plugin for PlantUML + Markdown - easy generation of PNG for use on GH. Needless to say: works best with UML diagrams, but also supports general diagrams (untested by me). http://plantuml.com http://plantuml.com