Virtualreality.io is an interesting looking platform for the oculus rift. I have talked with a Rep from the makers and they say that they plan to support Linux but some up votes on this page could help speed up the process. It's so close to being truly a cross platform app let's show the creators that true cross platform is important
Its a great gadget to have. I love mine. Its a little bulky and the voice rec. could be a LIIIITLE better ( Perhaps tying it into google voice recognition instead of Svoice) but for the rest .. its awesome.