CloudCompare - CloudCompare is a 3D point cloud (and triangular mesh) processing software.
Regard3D - Regard3D is a free, multiplatform, open-source structure-from-motion application.
Autodesk ReCap - View, Segment, register and convert point cloud data from laser scans
Pix4Dmapper - Photogrammetry software for professional drone-based mapping, purely from images.
RealityCapture - RealityCapture is a software solution which automatically produces high resolution 3D models from photographs or laser-scans.
3D Reshaper - Point cloud process, 3D Meshing, CAD surface reconstruction, dental CAD