Regard3D - Regard3D is a free, multiplatform, open-source structure-from-motion application.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
ContextCapture - Acute3D develops breakthrough photogrammetry software solutions to automatically turn photos into photorealistic high resolution 3D models
ZBrush - ZBrush is a digital sculpting and painting software solution.
Skycatch - Commercial drone data solutions for modern businesses.
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.