Second Brain AI

AI knowledge management assistant that indexes your notes and answers questions from them

Note-Taking & KnowledgeFreemium

Second Brain AI creates a queryable AI-powered knowledge base from your existing notes, documents, and saved content, enabling you to ask natural language questions and get answers drawn from your personal information repository. It works with popular note-taking apps like Obsidian, Notion, and Roam to index your existing knowledge graph. Knowledge workers, researchers, and prolific note-takers use Second Brain AI to surface insights from their accumulated personal knowledge that would otherwise be buried and hard to retrieve.

Key Features

• ✓Note indexing
• ✓Natural language queries
• ✓Multiple app integration
• ✓Knowledge retrieval
• ✓Personal AI assistant