It's a sky, but SciFi

The high-Tech Sky can be used live in blender with all its animations, or used to create HDRI images for use anywhere.

To import the node, from within your desired project:

Click on file -> append

Navigate to SciFiSky.blend

Select nodetree or world to import

Append, and enjoy

To apply HDRI maps, plug an environment map node into your background node and open the .hdr image.