Dansk Dommerfomidlign REFEX
   An organisation for the international exchange of referees for youth tournaments.
   http://www.refex.dk/

My Referee Schedule
   An online, real time, soccer referee scheduling system.
   http://myrefereeschedule.com/

Rate The Ref
   Launched for the FIFA World Cup 2006. Rate The ref out of 10 via SMS or the Web.
   http://www.ratetheref.net/

RateTheRef.co.uk
   Features football referee ratings, statistics, and message boards.
   http://www.ratetheref.co.uk/

RefBlog
   An anonymous weblog from a referee about games, situations and problems.
   http://www.refblog.com/

Reference Point System
   An optical system developed in Norway which makes judging offside easier. Diagrams, reports, testing, and contact details.
   http://www.rps.as/

Whistling in the Wind
   A true and accurate account of English park football refereeing. A personal weblog of the Merry Whistleblower.
   http://reffing.blogspot.com/