SecureThink is a privacy-first AI document assistant that runs entirely on your Mac. No cloud uploads, no data harvesting — your files never leave your device. Built on local LLMs via Ollama, it uses RAG to let you query contracts, legal docs, and sensitive files in plain English. Get accurate, contextual answers without the privacy trade-off. Perfect for lawyers, accountants, healthcare pros, or anyone who needs AI without handing confidential documents to big tech.