Originally to shed light on urban legends, Snopes is a fact-checking site that is independent and nonpartisan. Covers social, political, and topical issues stemming from social media, terms entered by readers, memes, etc.
A fact-checking website that rates the accuracy of claims coming from American politicians and related officials. Accuracy of statements are ranked on a Truth-O-Meter, from "pants on fire" to true.
A nonpartisan, nonprofit fact-checking site that monitors factual accuracy of American politicians. A project of the Annenberg Public Policy Center of the U.Pennsylvania.
Affiliated with The Washington Post, the purpose of the site is to "truth squad" statements of political figures. Nonpartisan and transparent, verification is conducted using a rating scale of Pinocchios.