Snopes
A fact-checking website that investigates urban legends, fake news, and folklore. “We always document our sources so readers are empowered to do independent research and make up their own minds.”

Politifact
Fact-checking website that rates accuracy of claims by elected officials.

Fact Check
A a nonpartisan, nonprofit “consumer advocate” for voters that aims to reduce the level of deception and confusion in U.S. politics.

inVid
a Chrome extension that authenticates videos to make sure they have not been manipulated.

Science Feedback
A nonpartisan website that exposes claims that either contradict or over-hype science.” We believe it is scientists’ civic duty to better inform our fellow citizens in our area of expertise.”

Open Secrets
a non-profit, nonpartisan research group based in Washington, D.C., that tracks the effects of money and lobbying on elections and public policy.