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Logseq vs Foam: catalog facts
Logseq	Foam
Freemium The app is free and open source under the AGPL 3.0. Logseq Sync is a paid service, and…	Free Free and open source with no subscription.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux
Notes are plain Markdown files in a folder you control Block-level linking and embedding, not just page links	Notes stored as standard Markdown files Wikilinks, backlinks, embeds and graph view
The database version is in beta and the project warns data loss is possible Outliner structure does not suit long-form prose	Requires Visual Studio Code No dedicated mobile app
Downloadable app	Downloadable app
Open source	Open 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 23, 2026

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