Dansk Dommerfomidlign REFEX - An organisation for the international exchange of referees for youth tournaments. - http://www.refex.dk/
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/
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/
My Referee Schedule - An online, real time, soccer referee scheduling system. - http://myrefereeschedule.com/
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/