head to head · open source
SiYuan vs tagspaces
SiYuan has 47,039 GitHub stars, 3,095 forks, 18 open issues and last shipped yesterday. tagspaces has 5,358 stars, 511 forks, 79 open issues and last shipped 5 days ago. SiYuan leads on adoption by 778% (47,039 vs 5,358 stars). SiYuan is written in TypeScript under AGPL-3.0; tagspaces is written in TypeScript under AGPL-3.0. SiYuan has attracted 7% as many forks as stars, tagspaces 10%. 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.
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Side by side
| SiYuan | tagspaces | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 5.4K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-10-29 |
| Forks | ⑂ 3.1K | ⑂ 511 |
| 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
pick tagspaces if
- You want the tagspaces feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and tagspaces fits your workflow better
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 tagspaces
TagSpaces TagSpaces is a free and open source platform for organizing, tagging, and managing your local files. It runs completely offline, with no need for cloud services, internet connection, or vendor lock in. Available for Windows , Linux , and macOS , it also includes a browser extension (Web Clipper) for Firefox, Edge, and Chrome to capture online content as local files. 🌐 Learn More 🌍 Website 📰 Blog 📚 Documentation 💬 Community Forum 🐛 GitHub Issues 📦 Downloads Grab the latest release from the GitHub Releases Page. Check out the full changelog for recent updates. 🚀 Features at a Glance File & Folder…
read the full tagspaces overview →
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Frequently asked questions
Is SiYuan or tagspaces more popular?
SiYuan has 47,039 GitHub stars and tagspaces has 5,358. SiYuan has the larger community by that measure.
Are SiYuan and tagspaces free?
Both are open source. SiYuan is licensed under AGPL-3.0 and tagspaces under AGPL-3.0. Neither carries a licence fee.
What is the difference between SiYuan and tagspaces?
SiYuan is written in TypeScript and tagspaces 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 tagspaces?
Choose SiYuan if you want the larger community (47,039 stars) or its AGPL-3.0 licence terms. Choose tagspaces if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.