diff --git a/README.md b/README.md
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@@ -618,6 +618,7 @@ These providers offer apps and services filled with data trackers. Also, most of
 - [Notally](https://github.com/OmGodse/Notally) - A beautiful notes app (local only, no sync).
 - [Notesnook](https://notesnook.com/) - Open source zero knowledge private note taking.
 - [Quillnote](https://qosp.org/#/) - Take beautiful markdown notes and stay organized with task lists.
+- [SiYuan](https://github.com/siyuan-note/siyuan) - A local-first personal knowledge management system.
 - [Standard Notes](https://standardnotes.org/) - A free, open-source, and completely encrypted notes app.
 - [TinyList](https://tinylist.app/) - Create and share notes and checklists, without sacrificing your privacy.
 - [Vikunja](https://vikunja.io) - The open-source to-do app to organize your life.