i collect these tools for fun! https://github.com/sw-yx/spark-joy/blob/master/README.md#cod...

- https://gojs.net/latest/samples/decisionTree.html interactive diagrams

- http://blockdiag.com/en/

- python's diagrams https://pypi.org/project/diagrams/

- https://structurizr.com/

- https://github.com/mhlabs/cfn-diagram visualize cloudformation -> draw.io

- https://wavedrom.com/ (OSS) - Digital Timing Diagram or Waveform from simple textual description.

- way more tools here: https://xosh.org/text-to-diagram/