SketchUp - 3D for Everyone
Verge3D - Practical framework for creating 3D Web applications
Lightwave 3D - LightWave 3D combines a state-of-the-art renderer with powerful, intuitive modeling, and animation...
PlayCanvas - PlayCanvas is an open-source game engine built on WebGL and WebVR.
Sketcher 3D - Sketcher3D is a 3D modeling, design, and fun physics sandbox.
Sketchfab - Sketchfab is an industrial design software tool is useful for ideation and for beginners in the industrial design field.