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
Our verdict
A usable project with some maintenance caveats. This assessment is derived from GitHub's own repository metrics on 2026-08-30, not from hands-on testing.
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. The project is written primarily in TypeScript, released under AGPL-3.0, and has 46,046 stars and 2,969 forks on GitHub. 118 contributors have committed to it, and the most recent push was 2026-08-30. The latest tagged release is v3.8.2 (2026-08-30). Figures come from the GitHub API on 2026-08-30 and are refreshed daily; the score below weighs adoption, maintenance, release discipline, contributor breadth, licence clarity and issue hygiene.
Repository
- Licence
- AGPL-3.0
- Language
- TypeScript
- Last push
- 2026-08-30
Releases
-
v3.8.2v3.8.2 -
v3.8.2-beta.4v3.8.2-beta.4 -
v3.8.2-beta.3v3.8.2-beta.3 -
v3.8.2-beta.2v3.8.2-beta.2 -
v3.8.2-beta.1SiYuan v3.8.2-beta.1 -
v3.8.2-alpha.7SiYuan v3.8.2-alpha.7
Pros and cons
Pros
Cons
Pricing
- Free tierYes
- LicenceAGPL-3.0
- Self-hostYes, source is public
- Public price listNot published
SiYuan does not publish a web price list. For consumer apps that usually means pricing appears inside the product; for enterprise tools it means talking to sales. Why we do this
Visit b3log.orgUser reviews
No one has reviewed SiYuan here yet. Reviews are moderated before they appear, and our own score is editorial and separate from user ratings, though once reviews land they do lift it.
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Questions
Is siyuan free?
Yes. siyuan advertises a free tier on its own site.
How much does siyuan cost?
siyuan does not publish a web price list. For consumer apps that usually means pricing appears inside the product; for enterprise tools it means talking to sales.
Is siyuan open source?
Yes. siyuan is a public repository released under AGPL-3.0. You can self-host or inspect the source directly.
How is siyuan scored here?
siyuan scores 7.5 out of 10. That comes from a desk review of public evidence, which is capped at 8.5 out of 10: public pricing, documentation, maintenance signals and how much we could actually verify. Affiliate relationships are excluded from scoring entirely. The full rubric is published on our methodology page.