Snaptrude - Design efficient buildings in 3D, 10x faster from the web
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.
Havenly - Havenly designs your room. We connect you with professional interior designers and help you get everything you need for a beautiful room, for one flat fee. No hassle, fun decorating.
SketchUp - 3D for Everyone
Decorist - Beautiful online interior design for a low flat fee.
MagicPlan - The floor plan creation app magicplan lets you create dimensioned floor plans without actively measuring or drawing. With its Augmented Reality.