Open source Structure-from-Motion pipeline
Why do you think that https://github.com/SBCV/Blender-Addon-Photogrammetry-Importer is a good alternative to OpenSfM
Open source Structure-from-Motion pipeline
Why do you think that https://github.com/SBCV/Blender-Addon-Photogrammetry-Importer is a good alternative to OpenSfM