SiYuan
Refactor your thinking
Free · In‑App Purchases
An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together
SiYuan is a privacy-first personal knowledge management system that supports complete offline use, as well as end-to-end encrypted data sync.
Fuse blocks, outlines, and bidirectional links to refactor your thinking.
This release expands mind maps and database calendars, adds more ways to customize editing workflows, improves mobile interactions and window management, and introduces workspace storage statistics. It also brings performance improvements and new capabilities for AI, MCP, and plugins.
The developer, Yunnan Liandi Technology Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Yunnan Liandi Technology Co., Ltd.
- Size
- 380.5 MB
- Category
- Productivity
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
16+
- 16+
- Contains
Unrestricted Web Access
- In-App Purchases
Yes
- PRO Features $79.99
- Subscription $188.99
- Copyright
- © 云南链滴科技有限公司