User-powered question and answer platform.
  • Ask a Librarian
    Online reference desk service from the Library of Congress.
  • Brainly
    Post questions to a community of millions of students and teachers. Get expert, verified answers.
  • Chegg Study
    Community providing answers to academic questions with tutoring and a searchable library. - Subscription Required
  • Dummies
    Expert guides and how-to's that make complex concepts easy to understand.
  • eHow
    Expansive database of how-to articles and videos.
  • PolitiFact
    Fact-checking site that rates the accuracy of claims on its 'Truth-O-Meter'.
  • Quora
    Highly active question and answer site offering user-submitted answers on many topics.
  • Snopes
    Oldest and largest fact-checking site. Topics range from folklore to current events.
  • Socratic by Google
    Visual explanations of important concepts in math, science, literature, and more.
  • Stack Exchange
    Platform hosting nearly two hundred communities created and run by topic experts.
  • ThoughtCo
    Educational content covering science, tech, math, humanities, and languages.
  • wikiHow
    Collection of step-by-step guides covering almost every topic.
  • Wonderopolis
    Answers to intriguing questions that delve into art, science, math, language, and history.