Actually these are vector graphics so Inkscape is a great choice, it’s free and easy to use. No need for Photoshop or Gimp.

We’re not likely to see a true 3D VR depiction of “cyberspace” as Gibson and Stephenson (Snow Crash) depicted it. Sure you could make the case for Second Life or some myriad of other 3D realms that came before it. There’s a few reasons for this: 1) it’s nonsensical, why introduce the concept of “travel” in a 3D space…