SourceWatch
SourceWatch (formerly Disinfopedia) is a collaborative online wiki operated by the Center for Media and Democracy (CMD), an American progressive organization. According to the project's website, it "aims to produce a directory of public relations firms, think tanks, industry-funded organizations and industry-friendly experts that work to influence public opinion and public policy on behalf of corporations, governments and special interest groups." SourceWatch has been mentioned in news sources such as the New York Times and the Sunday Times. The site runs on MediaWiki software.
Read more about Sourcewatch.