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AI-powered outliner and knowledge tool that turns notes into structured, connected data — a powerful 'second brain' for power users.

Object-based note-taking and knowledge tool — organize notes as connected objects (people, books, ideas) for a structured second brain.

Fast, encrypted, AI-powered networked note-taking app — link your notes into a private second brain that thinks with you.

Visual note-taking on an infinite whiteboard — connect notes as cards in space to learn, research and make sense of complex topics.