LDraw - LDraw is an open standard for LEGO CAD programs that allow the user to create virtual LEGO models...
Regard3D - Regard3D is a free, multiplatform, open-source structure-from-motion application.
LDCad - LDCad is a multiplatform ...
Pix4Dmapper - Photogrammetry software for professional drone-based mapping, purely from images.
Stud.io - Build LEGO designs online with friends.
ContextCapture - Acute3D develops breakthrough photogrammetry software solutions to automatically turn photos into photorealistic high resolution 3D models