Agisoft Metashape is a stand-alone software product that performs photogrammetric processing of digital images and generates 3D spatial data to be used in GIS applications, cultural heritage documentation, and visual effects production as well as for indirect measurements of objects of various scales.
"Vircadia is the volunteer-run product founded on the open-source code of the original
High Fidelity social VR platform which folded in early 2020" -- https://ryanschultz.com/category/high-fidelity-highlights/