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I believe https://community.ardour.org/download is the thing in question.

Thanks for pointing it out. I clicked on his profile but somehow missed the details of the project he's making a living off.

We do not sell support and consultancy.

Source code is freely available. We sell ready-to-run binaries, almost entirely to individual end users (desktop application).

One look at OP's account would give you "ardour" as a hint to what product this might be. 5 minutes of scanning ardour's webpage would tell you that the "O'Rly? school of Open Source business" blueprint doesn't apply here.