COLMAP might be a bit more popular than 3DF Zephyr. We know about 1 link to it since March 2021 and only 1 link to 3DF Zephyr. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Third link should be: https://3dscanexpert.com/3df-zephyr-photogrammetry-software-review/. Source: over 3 years ago
First there's COLMAP that seems to be able to work with SfM data. And then there's Blender-Addon-Photgrammetry-Importer which can take the output of COLMAP and import that into blender. Source: almost 3 years ago
Regard3D - Regard3D is a free, multiplatform, open-source structure-from-motion application.
ContextCapture - Acute3D develops breakthrough photogrammetry software solutions to automatically turn photos into photorealistic high resolution 3D models
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.
Meshroom - Meshroom is a free, open-source 3D Reconstruction Software based on the AliceVision framework.
PhotoModeler - Learn more about the PhotoModeler software for generating 3D data, measurements and models of the real world using just a camera. Based on photogrammetry.