Ashampoo 3D CAD Professional 10 - Ashampoo 3D CAD Professional 8 is a complete CAD solution for the designers and decorator that are looking for the centralized way to get done with their interior designer.
SolidWorks - Dassault Systèmes SolidWorks Corp. develops and markets 3D CAD design software, analysis software, and product data management software. SolidWorks is the leading supplier of 3D CAD product design engineering software.
3Dream - Design your room in 3D quickly and easily.
FreeCAD - An open-source parametric 3D modeler
Planoplan - Free simplest online tool for 3D interior design
SketchUp - 3D for Everyone