System 47 is a freeware Star Trek LCARS screensaver for Windows and Mac OS, created by MeWho.com, that simulates the Library Computer Access and Retrieval System (LCARS) that serves as the primary computer system in the universe of Star Trek's Starfleet and Federation. It includes eight animation sequences that the screensaver randomly cycles through, including a Sector Scan, Star System Analysis, Milky Way Galaxy Map, and more.
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