The Liquid Galaxy is an open source project founded by Google.
Created in 2008 by Google employee Jason Holt, the Liquid Galaxy started out as a panoramic multi-display Google Earth viewer, but shifted to a general data visualization tool for various uses including operations, marketing, and research.
[1] The Liquid Galaxy enables users to navigate Google Earth, view videos and photos, develop interactive tours, and graphically display GIS data.
[2] Liquid Galaxies are regularly used by Google to showcase Google's geospatial technologies and to promote its image at trade shows and exhibits.
[7] Other companies like Tietronix and GLGteam have also produced Liquid Galaxy systems.