Currently all we really have is a single legal page on dumps.wikimedia.org, which I'm surprisingly OK with content-wise, but is pretty hard to find. @LuisVillaWMF
One of my favorite Terms of Service (if one can have a favorite) is that of 500px. They took care in what could easily be a wall of legalese and jargon and distilled it down to easily human readable text.
We should take a page from their book and strive to make our terms, or other expected developer behavior, clear and readable. Not just in the sense of legibility, but make it something people want to read.