roomeon - Roomeon is simply a best in the class interior designing and decorating software that offers the 3D based designing features and functions to its users.
Ecdesign - Ecdesign.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
InnoPlanner - InnoPlanner is a commercial based interior designing software.
Staples Interior Design Software - Staples Interior Design Software is multifunctional designing software that is used for interior designing, overall home designing and landscaping designing purpose as well.
Sweet Home 3D - Sweet Home 3D is a free interior design application that helps to draw the plan of house, arrange furniture on it and visit the results in 3D.