- Archive3D (how to export?)
- Sketchup’s 3D Warehouse
- Furniture 3D
- A-Frame project demonstrating touch controls for building a VR city scene
- Google Blocks supports the export in the OBJ- and FBX-format
Use the term equirectangular image in Google or Flickr to search for background images and equirectangular video for background videos. There are also tools around to download 360° images from streetmap.