The following free online resources are relevant to fact checking and fake news.
Unlike regular news services, AllSides exposes bias and provides multiple perspectives to promote "balanced news and civil discourse."
The AllSides Perspectives blog provides balanced coverage of today's top news and issues as well as unique views on media bias, filter bubbles, political polarization, and bridging divides — topics that are often ignored by the press.
AllSides for Schools features resources for teachers from single lessons to entire lesson plans.
There are many extensions that work with browsers or even single sites such as Facebook to reveal bias or alert users to fake news. The list below contains just a small sample of these tools. When choosing such an extension, be sure to research its own methods of categorizing sites as well as the background of its creators or sponsors.