OSS Discovery

CN
China
PRODUCTIVITY & KNOWLEDGE
SELF-HOSTABLE
ACTIVELY MAINTAINED
FREE
SiYuan

SIYUAN

SiYuan is a personal knowledge management system, prioritizing privacy, utilizing Markdown, and featuring block-level referencing and bidirectional linking, targeting individuals seeking secure note-taking solutions.

GITHUB STARS
43k
+12% this month
FORKS
2.7k
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
171
Tracking updates
LICENSE
AGPL-3.0
Commercial use
**SiYuan** is a personal knowledge management system that manages notes and knowledge. It is built for individuals who need to securely manage their notes. It prioritizes privacy and utilizes Markdown.

High Performance

Built for speed and minimal overhead.

Self-hostable

Docker, Kubernetes, or bare metal

Developer Native

Programmable via any language workflow

SUPPORTED LANGUAGES

TypeScript
TypeScript
Go
Go
JavaScript
JavaScript
SCSS
SCSS
HTML
HTML
Python
Python
CSS
CSS
Shell
Shell
Go Template
Go Template
Batchfile
Batchfile
NSIS
NSIS
Lua
Lua
Dockerfile
Dockerfile

VISUAL INTERFACE

Screenshot 1
Screenshot 2
Screenshot 3

The Quick Glance

Status
Active
Category
Productivity & Knowledge
Pricing
Free
Self-Hosted
Yes
Available on
Web
Windows
macOS
Linux
Latest Release
v3.6.5
Apr 21, 2026

Relative Standing — across 1,284 tools

STARS43k
Top 7% globally
FORKS2.7k
Top 16% in Open Source
ACTIVITYHigh
Top 33% Activity
WATCHERS171
Top 21% Community