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.
Unity - The multiplatform game creation tools for everyone.
Live Home 3D Pro - Live Home 3D Pro is a nimble and completely operative 3D modeling tool that allows designers and architects to do interior designing with ease.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Live Home 3D - Live Home 3D is home design software for floor plan creation and 3D visualization that suits both amateurs and professional designers.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.