1)   Expos 8.0
Expos is a specialized CAD software, enabling tradeshow booths designing. It is a completely self-sufficient layout system. It uses Octanorm, furniture, stairways, electro, plants etc.

 2)   Image Armada Freeware 1.6
Image Armada allows you to customize premade 3D galleries that can be explored 'virtually' on your PC. Like any real gallery, you can hang and frame your work, walk around, turn your head in any direction, view artwork details and click to zoom in.