Skeptical Resources

bias & fact checking

FactCheck.org
FullFact.org
Hoax-Slayer [AU]
Lead Stories
Media Bias/Fact Check
PolitiFact
Snopes
TruthOrFiction.com

atheism/humanism et al

American Atheists
Atheist Alliance
AtheistParents.org
Atheists of Silicon Valley
The Brick Testament
Church of the FSM
Possibilianism
Celebrity Atheist List
Richard Dawkins Foundation
The Secular Web

other debunking

Alliance for Science (Cornell University)
Bad Science
Chain Letters
Chiropractic: A Skeptical Guide
Circlemakers (crop circles)
Emergent
H2OdotCON
HoaxBusters
Investigator Magazine [AU]
Point of Inquiry
QuackWatch | NCAHF (health fraud)
James Randi Educational Foundation
RationalWiki
Retraction Watch
The Skeptic's Dictionary
SkepticBlog | The Skeptologists
Spurious Correlations
TruthOrFiction
Urban Legends and Folklore
What's the Harm? | Skeptical Software Tools