ByTheMinute - A fledgling social media project that I have great pleasure of contributing to. A wonderful resource for live sport updates, second-screen of TV events, staying up-to-date with breaking news and much, much more.
CheapTheatreTickets.com - A great comparison site for selected West End shows.
MusicalTalk - UK podcast featuring guests from all walks of musical theatre.
SeatPlan.com - Provides detailed seating plans of all the major theatre venues in London, and allows users to post their own reviews of their seats.
If you have a link you would like me to include on this page, please let me know.