Astral Codex Ten publishes long-form essays on AI safety, rationality, politics, science and culture, alongside reader-written book reviews and weekly open threads. Readers get argumentative, carefully reasoned analysis plus community news such as meetups, surveys and grant-related projects.

Critical Fallibilism is a philosophy newsletter that applies Popperian critical rationalism to everyday problems such as procrastination, habit and bias, and the nature of decisive arguments. Each issue presents the author's own theoretical arguments and reasoning about how to evaluate ideas and resolve inner conflicts.

A personal Chinese-language blog that mixes essays on critical thinking and persuasion, such as its 逆思維 (reverse thinking) series on debate and admitting mistakes, with practical notes on running a website. Readers get reflective, example-driven discussion of rationality plus candid accounts of technical problems and their fixes.