Rationality learning resources

Websites that promote rationality, with a focus on epistemic rationality

• LessWrong, which describes itself as a "community blog devoted to refining the art of human rationality."
• Slate Star Codex, a blog that applies the principles of rationality to the analysis of many questions of philosophy, psychology, culture, and society.
• Center for Applied Rationality website
• Overcoming Bias, a blog primarily written by Robin Hanson, that strives to uncover and correct for human bias and discover the truth.

Other websites that discuss issues related to rationality

• Bryan Caplan's blog posts on EconLog often discuss issues related to rationality and philosophy, although the blog is primarily focused on economics
• Gwern's website
• See the effective altruism learning resources page. Many learning resources for effective altruism use rationalist ideas. In particular, Paul Christiano's blog does.