---
title: "siyuan"
type: "tool"
slug: "siyuan-note-siyuan"
canonical_url: "https://www.graphcanon.com/tools/siyuan-note-siyuan"
github_url: "https://github.com/siyuan-note/siyuan"
homepage_url: "https://b3log.org/siyuan"
stars: 45045
forks: 2882
primary_language: "TypeScript"
license: "AGPL-3.0"
archived: false
categories: ["developer-tools"]
tags: ["markdown", "self-hosted", "pdf", "local-first", "note-taking", "digital-garden", "knowledge-graph", "ai-agent"]
updated_at: "2026-07-12T04:52:08.655699+00:00"
---

# siyuan

> A privacy-first, self-hosted personal knowledge management software

SiYuan is a fully open-source tool written in TypeScript and Golang designed for managing knowledge with features like support for markdown, PDFs, and integration with WebDAV.

## Facts

- Repository: https://github.com/siyuan-note/siyuan
- Homepage: https://b3log.org/siyuan
- Stars: 45,045 · Forks: 2,882 · Open issues: 334 · Watchers: 174
- Primary language: TypeScript
- License: AGPL-3.0
- Last pushed: 2026-07-11T10:33:41+00:00

## Trust & health

_Signals computed from public GitHub metadata. Not a security guarantee._

- Maintenance: Very active (computed 2026-07-11T11:47:22.109Z)
- Security scan: No lockfile (0 critical, 0 high, 0 medium, 0 low) · last scan 2026-07-12T04:02:23.857Z
- Full report: [trust report](/tools/siyuan-note-siyuan/trust.md) · [JSON](https://www.graphcanon.com/api/graphcanon/tools/siyuan-note-siyuan/trust)

## Categories

- [Developer Tools](/categories/developer-tools.md)

## Tags

markdown, self-hosted, pdf, local-first, note-taking, digital-garden, knowledge-graph, ai-agent

## Category neighbours (exploratory)

_Same-category tools for discovery only - not curated alternatives. Cap shown at six._

- [ECC](/tools/affaan-m-ecc.md) - The agent harness performance optimization system for AI agents (★ 228,395) [Very active]
- [n8n](/tools/n8n-io-n8n.md) - Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations. (★ 196,027) [Very active]
- [prompts.chat](/tools/f-prompts-chat.md) - Share, discover, and collect prompts from the community (★ 165,372) [Very active]
- [JavaGuide](/tools/snailclimb-javaguide.md) - Java Interview & Backend General Guide, covering computer basics, databases, distributed systems, high concurrency, system design, and AI application development (★ 156,948) [Very active]
- [cc-switch](/tools/farion1231-cc-switch.md) - A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Gemini CLI & Hermes Agent. Only official website: ccswitch.io (★ 115,863) [Very active]
- [browser-use](/tools/browser-use-browser-use.md) - Make websites accessible for AI agents. Automate tasks online with ease. (★ 104,191) [Very active]

_+ 2 more not listed._

## Adoption goal

Siyuan is a privacy-focused, self-hosted knowledge management tool written in TypeScript and Golang, specialized for personal digital gardens and integrating with various local storage solutions.

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/tools/siyuan-note-siyuan`](/api/graphcanon/tools/siyuan-note-siyuan)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_