Cairn

Self-hosted wellness OS connecting labs, training, food and sleep into one agentic health brain.

Webfreeglobal

Cairn is a self-hosted wellness OS that connects a person's labs, training, nutrition, and sleep data into one agentic brain that suggests the single most useful thing to do today, deliberately without scores or nudges. It targets self-hosters who want an integrated health coach across multiple data sources instead of juggling separate fitness, nutrition, and sleep apps.

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