Just because something is free doesn't mean it's warez. Take a look at Liero. It's freeware, not warezware.
If it was "Jazz2 for free" instead of "free Jazz game" then I might have looked at the question differently. But no, I thought sideways and included fangames and such, that are decidedly freeware. So, my answer is...
Of course! It's Jazz!
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