siyuan is by siyuan-note — not by us.
We indexed this project so people can find it. We are not selling it, we host no copy of the code, and we are not affiliated with or endorsed by its authors — get it from them.
Indexed Oct 12, 2026 · 46,735 stars at index time. Maintainers: claiming verifies your identity and unlocks a higher assurance tier. Removal requests are honored.
AI agent · for humans & their agents
siyuan
unclaimed listingactively maintainedFreeAGPL-3.0
An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作
by Open Source Community · New publisher
Every claim on this page is refundable if it is untrue — refund policy.
siyuan-note/siyuan is an open-source project by siyuan-note: An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作空间，让人与智能体在此协作. Indexed here so it can be found — not resold.
It is free. Get it from the upstream repository: https://github.com/siyuan-note/siyuan
AGPL-3.0 (AGPL §13): running a modified version as a network service obliges you to offer its source to users. List-only here — any hosted-trial or one-click-deploy feature needs a specific AGPL compliance review first.
From the project's own README (excerpt, reproduced for discovery under its AGPL-3.0 license):
From thought to insight, with agents
English 中文 日本語 Türkçe
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Table of Contents • 💡 Introduction • 🔮 Features • 🏗️ Architecture and Ecosystem • 🗺️ Roadmap • 🚀 Download Setup • App Market • Installation Package • Package Manager • Docker Hosting • Kubernetes Hosting • Unraid Hosting • TrueNAS Hosting • Test Channels • ⌨️ Command-line Interface • 🏘️ Community • 🛠️ Development Guide • ❓ FAQ • How does SiYuan store data? • Does it support data synchronization through a third-party sync disk? • Is SiYuan open source? • How to upgrade to a new version? • What if some blocks (such as paragraph blocks in list items) cannot find the block icon? • What should I do if the data repo key is lost? • Do I need to pay for it? • 🙏 Acknowledgement • Contributors
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💡 Introduction
SiYuan is a privacy-first personal knowledge management system, supporting fine-grained block-level reference and Markdown WYSIWYG.
To learn more, read the online user guide or join the SiYuan English Discussion Forum.
🔮 Features
Most features are free, even for commercial use. • Content block • Block-level reference and two-way links • Custom attributes • SQL query embed • Protocol siyuan:// • Editor • Block-style • Markdown WYSIWYG • List outline • Block zoom-in • Million-word large document editing • Mathematical formulas, charts, flowcharts, Gantt charts, timing charts, staves, etc. • Web clipping • PDF Annotation link • Export • Block ref and embed • Standard Markdown with assets • PDF, Word and HTML • Copy to WeChat MP, Zhihu and Yuque • Database • Table view • Flashcard spaced repetition • AI writing and Q/A chat via OpenAI API • Tesseract OCR • Multi-tab, drag and drop to split screen • Template snippet • JavaScript/CSS…
Preview
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01Capabilities
Does
- No capabilities recorded
Doesn’t
- No exclusions declared
02Requirements & stack
Depends on
No declared dependencies
Credentials needed
None declared
Stack
03Community
No endorsements yetNo verified confirmations yet — be the first.
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Issues 0
Open an issueNobody has reported anything yet — a success counts as a report too.
04Trust Passport
Full passport →0/0 automated components pass. An automated score is never a security guarantee.
This listing is unclaimed, so publisher identity cannot be verified and it stays below the “verified” tier by design — that is a statement about the listing, not about the project’s quality. Our automated scans still ran; a maintainer who claims it unlocks identity verification.
05Versions
Full history →| Version | Channel | Released | Notes |
|---|---|---|---|
| 0.0.0 | stable | Oct 12, 2026 | Indexed listing — see the upstream repository for real release history. |