Sweet Home 3D (http://www.sweethome3d.eu/index.jsp)

Sweet Home 3D is a free interior design application
that helps you place your furniture on a house 2D plan, with a 3D preview.

http://www.sweethome3d.eu/images/SweetHome3DSmall.jpg
Google SketchUp (http://sketchup.google.com/)

免費建立、修改和分享 3D 模型。您可使用 SketchUp 來建立任何您所想像的物體。
http://sketchup.google.com/images/swf/home_banner.swf
Free interior design 免費的室內設計軟體 « Ant (http://antbsd.twbbs.org/~ant/wordpress/?p=1532)

贊助商連結

Google SketchUp論壇, (http://cader.com.tw/vbb/forum65.html)
台灣用sketchup高手多啊！！！

Autodesk Project Dragonfly - Free Home Design Software (http://dragonfly.autodesk.com)

Streamline your home improvement project using Project Dragonfly's intuitive interior design tools to rapidly layout and furnish your floor plan. Experiment with different design scenarios and share them with family or friends!
http://autodesk-dragonfly-ec2.s3.amazonaws.com/UserDesigns-ec2/Images/d266e025-bd1f-96ae-fac7-5dad3d647083-large.jpg?0.7202041066325251