MyTetra vs SiYuan

A side-by-side comparison of two self-hosted notes & knowledge base options — licensing, setup difficulty, resource needs, and what each one replaces.

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FeatureMyTetraSiYuan
CategoryNotes & Knowledge BaseNotes & Knowledge Base
LicenseGPL-3.0AGPL-3.0
LanguageC++TypeScript
Setup difficultyEasyMedium
Min. RAM128 MB512 MB
Deploymentbinary, sourcedocker, binary, source
GitHub stars★ 259★ 45,670
First released20102020
ReplacesEvernote, OneNoteNotion, Evernote

Why pick each one

Choose MyTetra if…

  • Good for code snippet libraries
  • Portable data format
MyTetra details

Choose SiYuan if…

  • Powerful block-based model
  • Works offline and self-hosted
SiYuan details

Frequently asked questions

Is MyTetra or SiYuan better?

Neither is universally better. SiYuan has the larger community, while MyTetra is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are MyTetra and SiYuan free and open-source?

Yes. MyTetra is licensed under GPL-3.0 and SiYuan under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run MyTetra and SiYuan with Docker?

MyTetra: check the project docs for container support. SiYuan: yes.

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