What is the solution/tool ​​for displaying diagrams on the web?

Question

JavaScript

Good afternoon, there is interconnected information in the database, and it is necessary to somehow visualize it in the web with a diagram.
Something like this (on the right):


Is there any solution for this? (ideally free)

Answer 1

https://mermaidjs.github.io/flowchart.js.org
_

Answer 2

js.cytoscape.org
Example