siyuan-note/siyuan

Registry

Summary

SiYuan is a privacy-first, self-hosted, fully open source personal knowledge management software built with TypeScript and Go. It supports Markdown, block-level references, PDF/OCR, Anki integration, and local-first storage with optional sync via WebDAV, S3, or self-hosted services.

Key features

• Privacy-first & self-hosted: full data control
• Block-level references and bidirectional links
• Markdown-native editor with WYSIWYG
• PDF annotation and OCR support
• Anki & spaced repetition integration
• Local-first with optional WebDAV/S3 sync

Use cases

• Personal knowledge base and note-taking
• Academic research with PDF annotation & Anki
• Team wiki with self-hosted sync
• Migrating from Notion, Evernote, or Obsidian
• Offline-first journaling and daily notes

README excerpt

<p align="center"> <img alt="SiYuan" src="https://b3log.org/images/brand/siyuan-128.png"> <br> <em>Refactor your thinking</em> <br><br> <a title="Build Status" target="_blank" href="https://github.com/siyuan-note/siyuan/actions/workflows/ci.yml"><img src="https://img.shields.io/github/actions/workflow/status/siyuan-note/siyuan/cd.yml?style=flat-square"></a> <a title="Releases" target="_blank" href="https://github.com/siyuan-note/siyuan/releases"><img src="https://img.shields.io/github/release/siyuan-note/siyuan.svg?style=flat-square&color=9CF"></a> <a title="Downloads" target="_blank" href="https://github.com/siyuan-note/siyuan/releases"><img src="https://img.shields.io/github/downloads/siyuan-note/siyuan/total.svg?style=flat-square&color=blueviolet"></a> <br> <a title="Docker Pulls" target="_blank" href="https://hub.docker.com/r/b3log/siyuan"><img src="https://img.shields.io/docker/pulls/b3log/siyuan.svg?style=flat-square&color=green"></a> <a title="Docker Image Size" target="_blank" href="https://hub.docker.com/r/b3log/siyuan"><img src="https://img.shields.io/docker/image-size/b3log/siyuan.svg?style=flat-square&color=ff96b4"></a> <a title="Hits" target="_blank" href="https://github.com/siyuan-note/siyuan"><img src="https://hits.b3log.org/siyuan-note/siyuan.svg"></a> <br> <a title="AGPLv3" target="_blank" href="https://www.gnu.org/licenses/agpl-3.0.txt"><img src="http://img.shields.io/badge/license-AGPLv3-orange.svg?style=flat-square"></a> <a title="Code Size" target="_blank" href="https://github.com/siyuan-note/siyuan"><img src="https://img.shields.io/github/languages/code-size/siyuan-note/siyuan.svg?style=flat-square&color=yellow"></a> <a title="GitHub Pull Requests" target="_blank" href="https://github.com/siyuan-note/siyuan/pulls"><img src="https://img.shields.io/g

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