sweethome3d
on SourceForge
SweetHome3D/SweetHome3D-5.6/SweetHome3D-5.6-windows.exe
SweetHome3D/SweetHome3D-5.6/SweetHome3D-5.6-macosx.dmg
SweetHome3D/SweetHome3D-5.6/SweetHome3D-5.6-linux-x86.tgz
SweetHome3D/SweetHome3D-5.6/SweetHome3D-5.6-linux-x64.tgz