"The more than 800,000 real estate professionals who constitute
the membership of the National Association of Realtors -- the
largest trade association in the United States -- and the tens of
millions of commercial and residential customers they serve
probably won't realize it, but many will soon be benefiting from
Open Source software, thanks to projects being done by the NAR's
Center for Realtor Technology.
"Intriguingly, many of the center's projects involve Open Source
software other than Linux and some, although they contain or are
code, are intended as reference standards rather than as
off-the-(virtual)-shelf software..."