Oh, I'll definitely be telling you all about new ones (in both languages!) once they get around to rotating (and I have a spare daily slot).
The sad thing is that I should have found out about these much, much sooner, since I actually do own a few hardcover Norse archaeology-related books that Aarhus University Press has done (which is how I eventually found out about their freebie programme), and I actually did at one point learn to read written Norwegian-and-by-extension-Danish (admittedly rather badly) and was starved for interesting material to practice with. Guess I wasn't assiduous enough in tracking any down*.
But on the bright side, we've now a new source of quality academic non-fiction freebies which look to be offered regularly, and AUP seems to have a rather generous programme running for Buy 2 Get 1 Free for their titles (possibly including e-versions), and free ebook version with accompanying purchase of physical (one of these days I should dig up my receipts ask see if they might possibly apply it to stuff not bought directly from them), which is nice of them.
* Not to mention, there's enough difference in the written languages that searching for stuff in one doesn't usually turn up results in the other unless Google is being really generous about correcting your spelling.