siyuan social preview
rag45,689AGPL-3.0

siyuan

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

Updated Aug 10, 2026
Website GitHub Docs
Platforms
docker
Pricing
free-open-source
Status
active
License
AGPL-3.0

What it does

Core capabilities at a glance

  • Agentic AI
  • AI Agent
  • Digital Garden
  • Electron
  • Knowledge Base
  • Knowledge Graph
  • Local First
  • Markdown

Deep dive

The full breakdown - performance, comparisons, and setup

siyuan

siyuan is a RAG toolkit - 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.

Overview

  • 💡 Introduction - 🔮 Features - 🏗️ Architecture and Ecosystem - 🗺️ Roadmap - 🚀 Download Setup - App Market - Installation Package - Package Manager - Docker Hosting - Unraid Hosting - TrueNAS Hosting - Insider Preview - ⌨️ 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

SiYuan is a privacy-first personal knowledge management system, supporting fine-grained block-level reference and Markdown WYSIWYG.

siyuan is open-source, written primarily in TypeScript, with 45,689 GitHub stars under the AGPL-3.0 license. The latest release is v3.7.3 (2026-07-21).

Key capabilities

From the project's documentation:

  • 🏗️ Architecture and Ecosystem
  • How does SiYuan store data?
  • Is SiYuan open source?
  • How to upgrade to a new version?
  • What should I do if the data repo key is lost?
  • Do I need to pay for it?

Install

A quick way to get started (always check the official docs for the latest):

docker run b3log/siyuan

How it fits a local-AI stack

siyuan runs on your own hardware, so pair it with a model and a GPU sized to your needs. Use the VRAM calculator to pick a model that fits your card, and see what you can run for hardware guidance. Related RAG toolkits in the directory:

Sources

Stats from GitHub, 2026-08-10.

Frequently asked

Quick answers to common questions

What is siyuan?

siyuan is a rag tool for local AI workloads. 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

Is siyuan free and open source?

Yes, siyuan has 45,689 GitHub stars and is licensed under AGPL-3.0. You can self-host it for free on docker.

What platforms does siyuan support?

siyuan runs on docker.

What hardware do I need for siyuan?

The hardware requirements depend on which models you run. Check our hardware directory for compatible GPUs and systems. siyuan has 45,689 GitHub stars and an active community.

Does siyuan support GPU acceleration?

siyuan's GPU support depends on your specific setup. Check the documentation for details. For the best performance, pair it with an NVIDIA RTX 4090 or 5090.

What are the best alternatives to siyuan?

Popular alternatives include other rag tools in our directory. Browse our full collection at /tool for comparisons, community reviews, and benchmark data to find the right fit for your workflow.

How much does siyuan cost?

siyuan is free-open-source. It is completely free and open source to self-host.

Pairs well with

Complementary tools, models, and hardware

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