While I&#x27;m not terribly familiar with UML, I was under the impression that it&#x27;s primarily a modeling language, not necessarily a visual programming implement.<p>As far as I&#x27;m aware, most visual programming today is actually implemented in the form of node-based editors, which gained popularity in the film and visual effects industries well over a decade ago.<p>The best modern examples I can think of are probably Nuke[0] and UE4&#x27;s Blueprint[1] system.<p>[0] <a href="https:&#x2F;&#x2F;www.thefoundry.co.uk&#x2F;products&#x2F;nuke&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.thefoundry.co.uk&#x2F;products&#x2F;nuke&#x2F;</a><p>[1] <a href="https:&#x2F;&#x2F;docs.unrealengine.com&#x2F;latest&#x2F;INT&#x2F;Engine&#x2F;Blueprints&#x2F;Editor&#x2F;index.html" rel="nofollow">https:&#x2F;&#x2F;docs.unrealengine.com&#x2F;latest&#x2F;INT&#x2F;Engine&#x2F;Blueprints&#x2F;E...</a>