Today is the Fairfield County Community Foundation's fifth annual Giving Day.   More than 70 Greater Danbury area nonprofits will be raising money during the competition.  The Foundation offers prizes for the most donors or money raised by certain times of the day.  Last year’s Giving Day raised almost $1.5 million from almost 14,000 donors for more than 400 organizations across Fairfield County.  Giving Day has raised more than $4.5 million over the past four years for various programs, services and projects.  A full list of groups participating and descriptions of their projects can be found online www.fcgives.org.