Regard3D - Regard3D is a free, multiplatform, open-source structure-from-motion application.
cmftStudio - GUI counterpart of cmft - cross-platform open-source cubemap filtering tool.
Pix4Dmapper - Photogrammetry software for professional drone-based mapping, purely from images.
open3mod - A free, Open-Source 3D Viewer designed to make it all easier. Massive 3D Format support
RealityCapture - RealityCapture is a software solution which automatically produces high resolution 3D models from photographs or laser-scans.
Online 3D Model Converter - free online 3D model converter, upload a model and export it into popular formats