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.
SketchUp - 3D for Everyone
Godot Engine - Feature-packed 2D and 3D open source game engine.
MagicPlan - The floor plan creation app magicplan lets you create dimensioned floor plans without actively measuring or drawing. With its Augmented Reality.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.