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Tolaria vs SiYuan: catalog facts
Tolaria	SiYuan
Free Free and open source, with no paid tier.	Freemium Most features are free, including for commercial use. The official cloud sync and assets…
macOS	Windows, macOS, Linux, Android, iOS, Self-hosted
Notes are plain Markdown files with YAML frontmatter Block editor with wikilinks and whiteboards	Block-level references and two-way links with custom attributes SQL queries embedded inside notes for building your own views
Young project still evolving quickly AI features need your own model provider	Notes live in the app's own store rather than plain files in a folder The interface has a lot of concepts to learn at once
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License not stated	License: AGPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.