Raindrop Tag Cloud

https://medium.com/@robertdennyson/creating-c4-and-uml-diagrams-using-plantuml-with-vscode-extension-90032a21ec43

https://docs.github.com/en/get-started/writing-on-github/working-with-advanced-formatting/creating-diagrams

https://flowchart.fun/

https://victorbjorklund.com/build-diagrams-as-code-with-d2-d2lang