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Have you tried Pelican? Staticgen.com lists all of them, and it tells you what language each one uses.

I have looked at Pelican but isn't that more for a blog (chronological updates vs. static non-changing content)

I find that Pelican itself can do the non changing stuff, but that it is really hard to find themes or examples that aren't blog oriented.

But I'd be keen to hear about the kinds of things MiddleMan etc does better than Pelican for non blog sites though....