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

open-sourcememory-knowledge

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46.6k

Stars

+3882

Stars/month

4873

Commits (90d)

Releases (6m)

Star Growth

+11.6k (33.3%)estimated from velocity

Overview

SiYuan is a self-hosted knowledge management system supporting block-level reference and Markdown editing. It features AI writing and Q/A chat via OpenAI API integration, allowing humans and AI agents to work together within the workspace. The system includes APIs for extensibility and supports Docker deployment for various hosting environments.

Deep Analysis

Key Differentiator

Combines privacy-first, self-hosted knowledge management with native AI agent collaboration features for structured human-AI teamwork.

⚡ Capabilities

• AI writing
• Q/A chat via OpenAI API
• knowledge management with block-level reference
• self-hosted deployment

🔗 Integrations

OpenAI APITesseract OCRDockerKubernetes

✓ Best For

✓ Teams needing private knowledge bases with AI assistance
✓ Developers wanting self-hosted agent-augmented workspaces
✓ Organizations requiring block-level knowledge management with AI integration

✗ Not Ideal For

✗ End-users seeking simple AI chatbots
✗ Teams needing pre-built agent workflows without customization
✗ Organizations requiring enterprise-grade agent orchestration platforms

⚠ Known Limitations

⚠ Advanced AI features require paid membership
⚠ Primarily designed as knowledge workspace rather than dedicated agent framework
⚠ Agent capabilities dependent on external API integrations