head to head · open source

SiYuan vs Open-Notebook

SiYuan has 47,039 GitHub stars, 3,095 forks, 18 open issues and last shipped yesterday. Open-Notebook has 41,377 stars, 4,762 forks, 110 open issues and last shipped 2 days ago. SiYuan leads on adoption by 14% (47,039 vs 41,377 stars). SiYuan is written in TypeScript under AGPL-3.0; Open-Notebook is written in TypeScript under MIT. SiYuan has attracted 7% as many forks as stars, Open-Notebook 12%. SiYuan was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (note-taking), so they are genuine substitutes rather than adjacent tools.

Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.

SiYuan ★ 47K Open-Notebook ★ 41K category Productivity & Utilities

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Side by side

SiYuan Open-Notebook
GitHub stars ★ 47K ★ 41K
License AGPL-3.0 MIT
Written in TypeScript TypeScript
Last push 2026-11-02 2026-11-01
Forks ⑂ 3.1K ⑂ 4.8K
Self-hosting Yes Yes
Data ownership Your server Your server

pick SiYuan if

  • You weight community size — 47K stars and counting
  • You want the AGPL-3.0 license terms
  • Your stack matches TypeScript
  • You value the larger contributor base for long-term maintenance

full SiYuan profile →

pick Open-Notebook if

  • You want the Open-Notebook feature set and don't need the biggest community
  • You prefer the MIT license terms
  • Your stack matches TypeScript
  • You evaluated both and Open-Notebook fits your workflow better

full Open-Notebook profile →

About SiYuan

From thought to insight, with agents English 中文 日本語 Türkçe Table of Contents 💡 Introduction 🔮 Features 🏗️ Architecture and Ecosystem 🗺️ Roadmap 🚀 Download Setup App Market Installation Package Package Manager Docker Hosting Unraid Hosting TrueNAS Hosting Test Channels ⌨️ Command line Interface 🏘️ Community 🛠️ Development Guide ❓ FAQ How does SiYuan store data? Does it support data synchronization through a third party sync disk? Is SiYuan open source? How to upgrade to a new version? What if some blocks (such as paragraph blocks in list items) cannot find the block icon? What should I do if the data repo…

read the full SiYuan overview →

About Open-Notebook

[![Forks][forks shield]][forks url] [![Stargazers][stars shield]][stars url] [![Issues][issues shield]][issues url] [![MIT License][license shield]][license url] Open Notebook An open source, privacy focused alternative to Google's Notebook LM! Join our Discord server for help, to share workflow ideas, and suggest features! Checkout our website » Follow @lfnovo on X for updates 📚 Get Started · 📖 User Guide · ✨ Features · 🚀 Deploy Deutsch Español français 日本語 한국어 Português Русский 中文 A private, multi model, 100% local, full featured alternative to Notebook LM In a world dominated by Artificial Intelligence…

read the full Open-Notebook overview →

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Frequently asked questions

Is SiYuan or Open-Notebook more popular?

SiYuan has 47,039 GitHub stars and Open-Notebook has 41,377. SiYuan has the larger community by that measure.

Are SiYuan and Open-Notebook free?

Both are open source. SiYuan is licensed under AGPL-3.0 and Open-Notebook under MIT. Neither carries a licence fee.

What is the difference between SiYuan and Open-Notebook?

SiYuan is written in TypeScript and Open-Notebook in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.

Which should I choose, SiYuan or Open-Notebook?

Choose SiYuan if you want the larger community (47,039 stars) or its AGPL-3.0 licence terms. Choose Open-Notebook if its feature set, stack or MIT licence fits better. Both are self-hostable.