Regard3D - Regard3D is a free, multiplatform, open-source structure-from-motion application.
ProtoPlay - A YouTube alternative for small creators
Pix4Dmapper - Photogrammetry software for professional drone-based mapping, purely from images.
DroneBase - Imagery & video flyovers via drone
RealityCapture - RealityCapture is a software solution which automatically produces high resolution 3D models from photographs or laser-scans.
Wandr Now - Video-sharing community for travelers