I think the other really useful thing is eventually adding a 'paid' version that's more robust - I know lots of corporates struggle with specific product names

I think the other really useful thing is eventually adding a 'paid' version that's more robust - I know lots of corporates struggle with specific product names because they not only need the domain but need to make sure that no competitor or someone in the industry has a similarly named product, so if your solution could also make sure that when it recommended a domain/product name it isn't in use in your industry or with a competitive project already