From the Video Blurb (via Stanford University Libraries/YouTube):
This video is a tour of the first production exhibit built with Spotlight. It features digitized maps of Africa.
Spotlight is plugin of Blacklight, a popular open source solution for building library discovery environments. Spotlight enables librarians, faculty and others to build customized online exhibits using a self-service, forms-based user interface. Spotlight was designed and built by software engineers at the Stanford University Libraries.
Download the Spotlight Code (via Github)