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Notenik vs Zettlr: catalog facts
Notenik	Zettlr
Free Free with no in-app purchases, subscriptions or ads; source code under the MIT license.	Free The open-source software is available without a license fee. Hosting, hardware and…
macOS	Windows, macOS, Linux
Notes stored as plain text files you can open anywhere Wiki-style links between notes	Combines document navigation with flexible export workflows.
Mac only Sync depends on a third-party service you set up yourself	Some publication formats require additional export dependencies.
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
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 22, 2026

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