Verge3D - Practical framework for creating 3D Web applications
Regard3D - Regard3D is a free, multiplatform, open-source structure-from-motion application.
PlayCanvas - PlayCanvas is an open-source game engine built on WebGL and WebVR.
ContextCapture - Acute3D develops breakthrough photogrammetry software solutions to automatically turn photos into photorealistic high resolution 3D models
Sketchfab - Sketchfab is an industrial design software tool is useful for ideation and for beginners in the industrial design field.
RealityCapture - RealityCapture is a software solution which automatically produces high resolution 3D models from photographs or laser-scans.