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

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