Thanks to A.T.J. de Laat of the Royal Dutch Meteorological Institute (KNMI), Climate Science has listed several other sea ice data urls below.
http://www.ijis.iarc.uaf.edu/cgi-bin/seaice-monitor.cgi
http://www.ijis.iarc.uaf.edu/en/home/seaice_extent.htm
http://arctic-roos.org/observations
http://arctic-roos.org/observations/satellite-data/sea-ice/ice-area-and-extent-in-arctic
Best Wishes for the Holidays to Everyone!