The macOS shell is on topic at Super User and Ask Different - arguably on UNIX as well.

Taxes are on-topic at Money and Law, and marginally on Politics.

Open-source software licenses are on-topic on Open Source, but questions are also found on them at Law.

Many questions that would fit on Game Development also fit Stack Overflow.

Some computer science questions can fit many servers such as Software Engineering, Computer Science, Computational Science, and Theoretical Computer Science.

Ask Ubuntu is almost entirely overlapped with Super User.

There are other overlaps as well.

Create some open source visualization to systematize all of this, as a complement of the sites tiles map.

A Graphviz mini example including comments by 158100.

$ cat foo.gv
digraph {
  macos -> "Ask Different";
  macos -> "Super User";
  taxes -> "Money SE";
  taxes -> "Law SE";
  unity -> "Game Development SE";
  "apple @ Ask Different\napple @ Stack Overflow" -> "Ask Different";
  "apple @ Ask Different\napple @ Stack Overflow" -> "Stack Overflow";
  "apple @ Seasoned Advice" -> "Seasoned Advice";
  unity -> "Stack Overflow";
$ _
$ dot foo.gv -T png -o foo.png


  • 2
    I've visualized migration pathways in this answer as an example that this might not need an FR, just someone with time on their hands and a good and valid/up-to-date dataset. – rene Oct 8 at 16:49
  • I don't think that would be exactly the same thing, but it's a very good idea. – 202324 Oct 8 at 16:51
  • I was thinking of links to questions on topic at several sites as defining the visualization, similarly to how graphviz works, but using an entirely different tool (or mode). – 202324 Oct 8 at 16:53
  • 3
    Maybe you can do something with tags across sites: meta.stackexchange.com/a/280939/158100 but you have to be careful with tags like apple as they might be used on several sites with total different meaning. – rene Oct 8 at 17:21
  • The apple in seasoned example must be a frequent reference, I read about it recently. I guess coping with tag exceptions manually would be a lot less work than adding the boundary questions manually. Importantly a tags-and-sites approach might be good even from a graphviz perspective. – 202324 Oct 8 at 17:29
  • Now I see how a graphviz source could work with the adding boundary questions approach. – 202324 Oct 8 at 17:32

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