FreeCAD - An open-source parametric 3D modeler
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.
SketchUp - 3D for Everyone
Sketchfab - Sketchfab is an industrial design software tool is useful for ideation and for beginners in the industrial design field.
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
Zakeke - Zakeke is an all-in-one Visual Commerce Platform that empowers eCommerce businesses with live product customization, advanced 3D visualization, immersive Augmented Reality and Virtual Try-On.