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Notenik vs Foam: catalog facts
Notenik	Foam
Free Free with no in-app purchases, subscriptions or ads; source code under the MIT license.	Free Free and open source with no subscription.
macOS	Windows, macOS, Linux
Notes stored as plain text files you can open anywhere Wiki-style links between notes	Notes stored as standard Markdown files Wikilinks, backlinks, embeds and graph view
Mac only Sync depends on a third-party service you set up yourself	Requires Visual Studio Code No dedicated mobile app
Downloadable app	Downloadable app
Open source	Open source
License: MIT	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 24, 2026	Official website Full listing and sources Checked September 23, 2026

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