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SiYuan vs TriliumNext Notes: catalog facts
SiYuan	TriliumNext Notes
Freemium Most features are free, including for commercial use. The official cloud sync and assets…	Free Free and open source under the AGPL 3.0.
Windows, macOS, Linux, Android, iOS, Self-hosted	Windows, macOS, Linux, Web, Self-hosted
Block-level references and two-way links with custom attributes SQL queries embedded inside notes for building your own views	Cloning puts one note in several places without copying it Rich text, code notes, canvases, Mermaid diagrams and relation maps
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	Notes live in a database, not plain files, so lock-in is real The interface is dense and takes a while to get comfortable with
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: AGPL-3.0	License: AGPL-3.0
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 September 21, 2026

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