And then I discovered, there is one!
https://en.wikipedia.org/wiki/User:Arj0nAGS
Despite its size, it isn't comprehensive. As examples, Al Emmo, The Crimson Diamond, and the forecast-to-be-finally-released-in-February *SpaceVenture* are not on this list.

I'll put together a much shorter list of games that feel like suitable recommendations to fans of Sierra games.