QuackWatch http://www.quackwatch.org/
Nonprofit corporation whose purpose is to combat health-related frauds, myths, fads, and fallacies. Information on quackery, questionable therapies and products.
The Millenium Project http://www.ratbags.com/rsoles/
Uncovers promoters of quackery and those who lie about the dangers of vaccines. A list with a several hundred fundamental websites, commentaries on fraudulent organisations and sites, hate-mail from uncovered quacks, tributes and awards.