Heptabase
Heptabase is an intelligent visual knowledge base for students, researchers and lifelong learners. It supports whiteboard cards, bidirectional links and PDF annotations, and has launched AI Tutor to provide structured and personalized learning.
Updated: 2026-10-26
What is Heptabase?
Heptabase is an intelligent and visual knowledge base, which is officially positioned as "built for students, researchers and lifelong learners". Unlike linear note-taking, it organizes ideas with whiteboards and cards, gathers literature, notes, highlights and discussions in one place, and introduces an AI Tutor to guide structured learning. The official website also emphasizes that it can be integrated with tools such as Readwise and Zotero, and provides Heptabase CLI to collaborate with programming agents such as Claude Code and Codex, making it suitable for people engaged in serious research.
Who is it for?
- Graduate students and scholars who need to conduct literature reviews and manage a large number of reference materials.
- Learners who build personal knowledge bases with cards and bidirectional links to avoid information silos.
- Self-learners who want to use AI Tutor to study systematically according to the course structure.
- Researchers who take notes and write code and want their notes to be called by programming agents.
Key features
6AI Tutor
Officially described as an AI agent that "guides you to achieve your goals through structured and personalized learning sessions" and can lead learning according to the course structure.
Whiteboard & Cards
Use whiteboards and cards to clarify your thinking, maintain flow, and visually connect scattered ideas.
Bidirectional Links
Supports block editors and bidirectional links to build an interconnected knowledge network instead of isolated folders.
PDF Annotation & Reading
Supports PDF marking, daily journals, web clipping and Zotero integration, facilitating literature management.
Research Assistance
Enables AI to explain source materials, take notes, and automatically organize the knowledge base, reducing organization costs.
CLI and Agent
It provides the Heptabase CLI, which can collaborate with programming agents such as Claude Code and Codex to integrate notes into the workflow.
How to use Heptabase
- Build the knowledge base first before using AI: After importing PDFs, web pages, and notes, AI explanations and organization will have a solid foundation.
- Make good use of bidirectional links: Use a node-based structure to connect topics, making them easier to retrieve than simple folders.
- Start with the mobile version: The official version provides mobile onboarding and a 7-day free trial.
- Pay attention to the storage and synchronization rules for important research data.
- functions may be adjusted, so check again before use.
- Review your knowledge base regularly: Organize it with whiteboards and links to prevent your notes from piling up and becoming messy.
- Learn with the AI Tutor as planned: Guided by a course structure, it helps you build a more systematic understanding than scattered questions.
Traffic & popularity
Data month Sep 2026
Heptabase receives about 91.2K visits per month and ranks #402,248 worldwide.
Monthly visits
12 monthsTraffic sources
- Direct58.2%
- Search31.8%
- Referrals4.2%
- Social3.0%
- AI assistants2.8%
Top countries
- Taiwan, China36.9%
- Netherlands17.1%
- United States12.8%
- United Arab Emirates7.2%
- United Kingdom2.8%
Estimated from third-party traffic data.
Similar tools
CapacitiesA knowledge management application that organizes notes by objects rather than folders places notes, tasks, calendars, and AI features in the same workspace. The official version states that the free version covers major desktop and mobile platforms.
RecallRecall is a personal AI knowledge base. Officially, it is used by 700,000 professionals. It can summarize articles, videos, podcasts and PDFs, and automatically connect them. You can use ChatGPT, Claude or Gemini to converse with your saved content.
AuralixConvert notes, PDFs and Zettelkasten notes into interactive course learning tools. The official says it will advance teaching according to the parts you have mastered, intersperse check questions and final tests, and support making courses into templates for others to clone.
PandaWikiPandaWiki is a knowledge base construction system launched by Changting Baizhiyun. With the help of large models, it provides AI creation, AI question answering and AI search. It can quickly build product documents, FAQs and blogs, and supports open source and multi-model access.
AihaojiAihaoji is an AI audio and video to graphic tool. It supports importing Bilibili and Douyin links as well as local files. It can convert videos to text, perform AI summarization, translation, extract key frames from PPTs and sync to Notion.
ScrintalA visual note-taking tool for learning and research, centrally managing PDFs, notes, images and videos on an infinite canvas. It supports bidirectional links and real-time collaboration, and comes with an AI assistant as well as macOS and Windows clients.