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SiYuan avatar

SiYuan

A local-first note app built from blocks you can link and query

  • Productivity
  • Self-hosted alternatives
View on GitHub
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What it is

SiYuan is a note and knowledge app where every paragraph is a block you can reference or embed elsewhere. It is for people building a personal wiki who want their data stored locally. It has databases, flashcards, and an optional self-hosted server.

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Facts

Stars
46,855 GitHub stars.
46,855

Forks
3,077
Commits
30,130
Contributors
129
Language
TypeScript
License
AGPL-3.0
Last commit
Oct 20, 2026
On GitHub since
August 2020
First release
August 2020
Platforms
web, macOS, Windows, Linux, iOS, Android, self-hosted
Self-hostable
Yes
Alternative to
Notion, Obsidian, Roam Research
Tags
  • note-taking
  • markdown
  • pdf
  • knowledge-base

Last synced from GitHub on Oct 20, 2026

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What people are saying

Updated Oct 21, 2026
  • Hacker NewsSiyuan: Privacy-first, self-hosted personal knowledge management softwareDec 26, 2024 · 308 points · 156 comments (opens Hacker News in a new tab)
  • Hacker NewsSiYuan is a local-first personal knowledge management systemJun 12, 2022 · 3 points · 2 comments (opens Hacker News in a new tab)
  • Bluesky“@xodaniwrites.bsky.social I said some time ago that I would write software to organize my thoughts and poetry, in response to seeing your amazing cross…”May 19, 2025 · 3 likes · 1 reply (opens Bluesky in a new tab)
  • Bluesky“I liked notion. But also the open & selfhostet nature of obsidian. I tried Notes - even got an ipad mini + pencil for it. I recently heard of and wanted to…”May 25, 2025 · 1 like · 1 reply (opens Bluesky in a new tab)
  • Hacker NewsSiYuan, Privacy First, Affero GPL, self-hosted PKMS written in ts and goMay 18, 2025 · 1 point · 1 comment (opens Hacker News in a new tab)
  • Bluesky“I'm 50/50 logseq & directly editing markdown. Works great. Someday I want to get fancier but just using a gdrive & DriveSync app on Android for sync. Some…”Jun 8, 2025 · 1 like · 0 replies (opens Bluesky in a new tab)
  • Bluesky“Siyuan: Alternative to: Roam, Obsidian, Logseq”Jan 2, 2025 · 1 like · 0 replies (opens Bluesky in a new tab)
  • Bluesky“Your welcome. Good luck. Maybe both notesnook.com and are worth a look, too, but I haven’t used those personally.”Sep 30, 2023 · 0 likes · 0 replies (opens Bluesky in a new tab)