SiYuan
SiYuan is a self-hosted knowledge workspace that lets people and AI agents work on notes together, for people who want private, local-first notes.
What it is good for
- Organizing personal notes and linked ideas in one place
- Keeping private notes on your own server instead of a cloud service
- Writing and exporting Markdown documents with linked blocks
At a glance
- Who it is for
- Setup
- Install a desktop app or browser extension
Level 3 of 5. Download and install it like any other app or extension.
- Cost
- Free tier plus paid plans
- Type
- Agent app
- Tasks
- Works with
- Docker, MCP, WeChat MP, Zhihu, Yuque, OpenAI API
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 47,036
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is SiYuan free?
- It has a free plan and paid plans, according to its own description.
- Do I need to know how to code to use SiYuan?
- No. Download and install it like any other app or extension.
- What does SiYuan work with?
- According to its own documentation, it works with Docker, MCP, WeChat MP, Zhihu, Yuque, and OpenAI API.
- What is SiYuan good for?
- Organizing personal notes and linked ideas in one place, keeping private notes on your own server instead of a cloud service, and writing and exporting Markdown documents with linked blocks.
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