We&#x27;ve been obsessed with this for some time. In the 1990s, Prograph CP&#x2F;X was ahead of the pack in this space: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Prograph" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Prograph</a><p>I haven&#x27;t tried it, but I was pleased to see that there&#x27;s at least one current product that supports the underlying dataflow language:
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