head to head · open source
SiYuan vs MoeMemosAndroid
SiYuan has 47,112 GitHub stars, 3,099 forks, 18 open issues and last shipped yesterday. MoeMemosAndroid has 1,236 stars, 148 forks, 96 open issues and last shipped 4 days ago. SiYuan leads on adoption by 3,712% (47,112 vs 1,236 stars). SiYuan is written in TypeScript under AGPL-3.0; MoeMemosAndroid is written in Kotlin under GPL-3.0. SiYuan has attracted 7% as many forks as stars, MoeMemosAndroid 12%. SiYuan was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (note-taking, self-hosted), 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 | MoeMemosAndroid | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 1.2K |
| License | AGPL-3.0 | GPL-3.0 |
| Written in | TypeScript | Kotlin |
| Last push | 2026-11-07 | 2026-11-04 |
| Forks | ⑂ 3.1K | ⑂ 148 |
| 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 MoeMemosAndroid if
- You want the MoeMemosAndroid feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Kotlin
- You evaluated both and MoeMemosAndroid 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 MoeMemosAndroid
Moe Memos Moe Memos is an app to help you capture thoughts and ideas. You can use Moe Memos with either a self hosted ✍️memos server or locally on your device (no server required). Note: Current Moe Memos version supports Memos 0.21.0 and Memos 0.27.0 to 0.31.0. Memos update may introduce breaking API changes. If you are using a version higher than 0.31.0, it is recommended to use Mortis to convert the newer Memos API to the Memos 0.21.0 API and re login in Moe Memos. Installation Or download and install the APK package from the Releases section. Features Write memos like tweeting to yourself Use Moe Memos…
read the full MoeMemosAndroid overview →
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Frequently asked questions
Is SiYuan or MoeMemosAndroid more popular?
SiYuan has 47,112 GitHub stars and MoeMemosAndroid has 1,236. SiYuan has the larger community by that measure.
Are SiYuan and MoeMemosAndroid free?
Both are open source. SiYuan is licensed under AGPL-3.0 and MoeMemosAndroid under GPL-3.0. Neither carries a licence fee.
What is the difference between SiYuan and MoeMemosAndroid?
SiYuan is written in TypeScript and MoeMemosAndroid in Kotlin. 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 MoeMemosAndroid?
Choose SiYuan if you want the larger community (47,112 stars) or its AGPL-3.0 licence terms. Choose MoeMemosAndroid if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.