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.

A newsletter of short meditations on mortality, attention and living deliberately, drawing on Stoic and other philosophical and religious writers such as Seneca, Epictetus, Simone Weil and Marcus Aurelius. It includes book chapters, a weekly Seneca letter series with practices, and podcast versions, with some content for members only.

Poems, short essays and reflections from poet David Whyte, often prefaced by notes on how each piece came to be written. Issues also include announcements for his live events and material from his Three Sundays Series.

Conspicuous Cognition is a philosophy blog by an academic philosopher exploring motivated reasoning, social signalling, AI risk debates, and the psychology of virtue. Readers get long-form, argument-driven essays and podcast-style discussions that connect psychology, politics and evolution to everyday claims about belief and motive.