sweethome3d
on SourceForge
SweetHome3D/SweetHome3D-4.5/SweetHome3D-4.5-windows.exe
SweetHome3D/SweetHome3D-4.5/SweetHome3D-4.5-macosx.dmg
SweetHome3D/SweetHome3D-4.5/SweetHome3D-4.5-linux-x86.tgz
SweetHome3D/SweetHome3D-4.5/SweetHome3D-4.5-linux-x64.tgz