Heptabase

Heptabase is a visual note-taking tool that helps you learn complex topics. You can put your rich-text notes on whiteboards to record your thinking process. When you search for a note in the future, you can find the whiteboards it appears on to remember how you think with perfect visual memory.

Heptabase is backed by Y Combinator, HOF Capital, Kleiner Perkins, Moving Capital, Tonic Fund, and other investors, including the founders of Socialcam, Triplebyte, Codementor, and more.

Heptabase is a visual note-taking tool designed to help users learn and research complex topics by organizing information on a flexible whiteboard canvas using cards that represent ideas, notes, PDFs, and other media. It serves students, researchers, and lifelong learners by enabling them to build a connected knowledge base with AI-assisted research, PDF annotation, audio transcription, and real-time collaboration. The platform solves the problem of managing and synthesizing complex information visually, helping users clarify thinking and stay in flow, with features like bi-directional links, fast search, offline access, and integration with tools like Readwise[2][4][6].

Founded by a team with a focus on enhancing learning through visual methods, Heptabase emerged to address the challenge of breaking down complex topics into manageable, interconnected elements. Early traction came from its unique whiteboard approach that differs from linear note-taking apps by allowing free-form organization and reusing cards across multiple boards, mimicking neural connections in thought processes[1][5].

Core Differentiators

• Visual Whiteboard Canvas: Unlike traditional linear note apps, Heptabase uses a free-form whiteboard where cards (notes, highlights, PDFs) can be freely arranged and linked, creating a web of thought.
• Card-Based Knowledge Network: Each card is a reusable, linkable unit of information that can be accessed independently or as part of multiple whiteboards.
• AI Integration: Users can chat with AI to explain sources, conduct research, and get citations, enhancing learning efficiency.
• PDF Annotation & Highlighting: Directly annotate PDFs and drag highlights onto whiteboards as cards, facilitating deep reading and synthesis.
• Fast Search & Offline Access: Search over 10,000 notes instantly and work offline, supporting uninterrupted research flow.
• Collaboration & Mobile Support: Real-time collaboration and mobile-ready features including voice notes support teamwork and on-the-go capture[1][2][4].

Role in the Broader Tech Landscape

Heptabase rides the growing trend of visual knowledge management and AI-assisted learning, addressing the increasing complexity of information in academia and professional research. The timing is favorable as learners demand tools that go beyond linear note-taking to support nonlinear thinking and synthesis. Market forces such as the rise of remote learning, digital research workflows, and AI augmentation work in its favor. By offering a unique combination of visual organization and AI, Heptabase influences the ecosystem by pushing note-taking tools toward more intuitive, brain-like knowledge representation[2][4][5].

Quick Take & Future Outlook

Heptabase is poised to expand its user base among students, researchers, and knowledge workers who need to master complex topics efficiently. Future trends shaping its journey include deeper AI integration for smarter knowledge synthesis, enhanced task management, and broader collaboration features. As the demand for visual and AI-powered learning tools grows, Heptabase’s influence may extend into educational institutions and professional research environments, potentially becoming a standard for visual knowledge work. Its continued innovation in user experience and ecosystem integration will be key to maintaining momentum[1][2][4].