Distributed Computing allows multiple computers to work together over a network
  on one problem
distributed.net - Mainly Cracking encryption projects
SETI@home - Searching for intelligent Life (see my SETI page)
LCARS - (Library Computer Access and Retrieval System) - Computer interface introduced in
   STAR TREK also known as "okudagrams" after it's creator, is based on an interactive
   touch screen.
LCARS Central - News, and software
BenniSoft - More LCARS stuff