The company has been hard at work with a lot going on right now. At least 8 announced projects -- such as Innsbruck are going full-steam and ORBX just recently talked about a few unannounced projects as well.
According to ORBX, here's what's happening on their "covert operations department":
Project A – Massive. A huge investment in new tech, new tools, new apps and new staff. It will surprise many of you, and delight you all. It will focus on both Europe and North America. It will perform like nothing you have experience in your simming life. It will support VR. It will be a VFR flyer’s wet dream. It will be sold on OrbxDirect. Oh, and it will be 64-bit.
Project D – The evolutionary next step. Another big $ commitment, worldwide coverage, new tech, new experiences, a strong partner and an established record. Oh, and it will be 64-bit.
Project P – Our continued commitment to our strongest platform and it has a huge backing. More refinement, more performance, more destinations from Orbx than ever before. An old friend gets better, faster, stronger, bigger. Oh, and it will be 64-bit.
Project X – The surprise package. The dark horse. A big $ R&D commitment. Orbx quality where it’s needed the most so things finally get to truly shine. Oh, and it’s 64-bit.
Project O – Introduced in 2016 this will become your go-to for all things Orbx with more stability, more features, better performance, and continued development so it never gets stale.
They obviously don't disclose a lot, but we can always give it a shot about what these projects may be.
Project A could be a new sim from ORBX. The fact that it "will surprise many of us" could just hint they are actually working on their own product. That would be a surprise for sure.
Project D may very well be P3D's new 64-bit version.
Project P seems to be Dovetail Games' new Flight Simulator. The "old friend" they are referring to may be FSX which is coming back with a vengeance by the hands of DTG (at least we hope so).
Project X is a 64-bit sim. X...Plane, maybe? Let's hope so. Supporting X-Plane could be a huge boost on user traction and amazing news for the helicopter/VFR community. I'm keeping my fingers crossed!
Project O may be a new version of FTX Central or OrbxDirect. It seems Orbx is dedicated to offer their products through a platform such as Steam or Origin.
This is all a theory, of course. Conjectures. But, being true -- especially the X-Plane part; and perhaps the new sim -- it could mean the sim world will become extremely exciting and refreshing in 2017.
Update - 2016-12-15
Well the cat's partially out of the bag. Orbx just posted on Facebook about their "Project X" coming in 2017 and the screenshot... Well that's X-Plane 11, isn't it?