BBBike extracts OpenStreetMap (OSM, Garmin, Shapefile etc.)
Contour Map Creator
Blosm for Blender: Google 3D cities, OpenStreetMap, terrain
Contour Map Creator
Terrain2STL
CALTopo - Topographic Sun-Exposure Mapping
SculptGL
DEMto3D
3D printing of digital elevation models with QGIS - EduTech Wiki
Google Earth Studio
Speckle
Generate a panorama