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

09/30/2009 - Released new version 2.1: New features in Sweet Home 3D Online, bug fixes, Japanese and Vietnamese localizations.

(click on image to enlarge)

You may download Sweet Home 3D to install it on your computer
and/or use it online within your browser:

Download Sweet Home 3D  -  Use Sweet Home 3D Online

It may run under Windows, Mac OS X 10.4 to 10.6, Linux and Solaris.