openMVG is described as ': "open Multiple View Geometry" is a c++ library for computer-vision scientists and especially targeted to the Multiple View Geometry community. It is designed to provide an easy access to the classical problem solvers in Multiple View Geometry and solve them' and is a 3D Modeler in the photos & graphics category. There are more than 10 alternatives to openMVG for a variety of platforms, including Windows, Linux, Mac, Web-based and Python apps. The best openMVG alternative is Meshroom, which is both free and Open Source. Other great apps like openMVG are Agisoft Metashape, Regard3D, WebODM and RealityCapture.