Every war when it comes, or before it comes, is represented not as a war but as an act of self-defense against a homicidal maniac.
 
George Orwell
 
Each man must for himself alone decide what is right and what is wrong, which course is patriotic and which isn't.
 
Mark Twain

CAD - Computer Aided Design

Free CAD Software

http://www.freebyte.com/cad/cad.htm
List of CAD software available for free.

Sweet Home 3D

Sweet Home 3D is aimed at people who want to quickly design the interior of their home.
http://sweethome3d.com
Project page on Sourceforge
http://sweethome3d.sourceforge.net