SiYuan
OPEN SOURCE
A privacy-first personal knowledge management system.
About
SiYuan is a privacy-first personal knowledge management system that uses a block-level reference and graph structure. It's open-source and self-hostable.
Pricing
Pricing Type
Open Source
Free tier available
Billing
One-time payment
Last checked: February 17, 2026
Related Apps
Key Facts
Categories
Platforms
Web
Mac
Windows
Linux
iOS
Android
Company
SiYuan
Founded
Founded in 2020
Industry
Technology
Country