"AllSides Technologies strengthens our democratic society with balanced news, media bias ratings, diverse perspectives, and real conversation. AllSides is a public benefit corporation serving news consumers. ...We expose people to information and ideas from all sides of the political spectrum so they can better understand the world — and each other."
"FactCheck.org is a project of the Annenberg Public Policy Center of the University of Pennsylvania....a nonpartisan, nonprofit “consumer advocate” for voters that aims to reduce the level of deception and confusion in U.S. politics. We monitor the factual accuracy of what is said by major U.S. political players in the form of TV ads, debates, speeches, interviews and news releases."
Pulitzer Prize (highest award in Journalism) winning site run by editors and reporters from the Tampa Bay Times (Florida) newspaper. "PolitiFact is a fact-checking website that rates the accuracy of claims by elected officials and others who speak up in American politics.... The PolitiFact state sites are run by news organizations that have partnered with the Times." Read about their principles under 'About Us.'