FactCheck.org is a nonpartisan, fact-checking, non-profit website that monitors for accuracy the statements of U.S. political figures. It is a project of the Annenberg Public Policy Center of the University of Pennsylvania, and was originally founded by Walter Annenberg in 1993. Its current director is Brooks Jackson.
- "About Us", FactCheck.org.
- Peter Hartlaub, "Web sites help gauge the veracity of claims - Online resources check ads, rumors" San Francisco Chronicle, October 24, 2004.