Vectary - Vectary is a free, online 3D modeling tool and sharing platform.
Viz4D - Viz4D helps you create top-performing web-based 3D viewer that works great on mobile and VR. It is tailored for real-time Archviz walkthrough, 3D product configurator and presentation.
Spline - Design tool for 3d web experiences
Sketchfab - Sketchfab is an industrial design software tool is useful for ideation and for beginners in the industrial design field.
Homies - Growing 3D scene constructor with characters, backgrounds, and objects for outstanding design projects.
Sketchfab configurator - Build your real-time 3D configurator