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TriliumNext Notes vs Notion: catalog facts
TriliumNext Notes	Notion
Free Free and open source under the AGPL 3.0.	Freemium Free tier for individuals; paid plans add team features and higher limits.
Windows, macOS, Linux, Web, Self-hosted	Windows, macOS, Android, iOS, Web
Cloning puts one note in several places without copying it Rich text, code notes, canvases, Mermaid diagrams and relation maps	Highly flexible structure covers notes, databases, and project boards in one app Real-time collaboration for team use
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	Flexibility comes with a learning curve to set up well Can feel heavier and slower than single-purpose notes apps
Downloadable app, Self-hosted	Downloadable app, Web application
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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