Wedding Consultant Software What Was Your Best Wedding Resource (other Than A Planner/consultant)

What was your best wedding resource (other than a planner/consultant) - wedding consultant software

OK, that's a matter of opinion, not really answering wrong / that is all that we require that a polite answer is no bashing or harsh words (please!), BUT ... What book or software, wedding planning has proved to be the best and most useful to you, I'm in the area of PA, rather than renting planning a wedding, we have an advisor, but it is only for reception. But the book Software / / Web site you will be the best individually or combined, and why?