CloudCompare - CloudCompare is a 3D point cloud (and triangular mesh) processing software.
ContextCapture - Acute3D develops breakthrough photogrammetry software solutions to automatically turn photos into photorealistic high resolution 3D models
Regard3D - Regard3D is a free, multiplatform, open-source structure-from-motion application.
3D Reshaper - Point cloud process, 3D Meshing, CAD surface reconstruction, dental CAD
Skycatch - Commercial drone data solutions for modern businesses.
Pix4Dmapper - Photogrammetry software for professional drone-based mapping, purely from images.