Second Mind

Second Mind is an AI-powered personal knowledge base that helps users capture, organize, and retrieve valuable information from across the internet. Instead of saving raw bookmarks, Second Mind transforms each resource into a structured knowledge object. When a user saves content, the system automatically extracts key information, generates summaries, classifies topics, assigns tags, and creates embeddings for semantic search. This allows users to search using natural language and find information based on meaning, not just keywords. It supports websites, videos, GitHub repositories, social content, highlights, and personal notes. Built with a modern stack including Python, PostgreSQL, vector search, and AI pipelines, Second Mind acts as a personal search engine for knowledge — helping users quickly recall, reuse, and connect what they have learned.