Model function for sketchup is a plug-in for Google SketchUp that allows to keep design intent to a template and apply the template to different shapes and sizes of space very easily and very quickly.ModelFunction 1.3 beta is free for personal use
Envisioneer Express Envisioneer Express is an easy to use residential design program available. This program intends to introduce clients to the simple creation of floor plans, 3D models, and interior designs.