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Scratchmark vs Zettlr: catalog facts
Scratchmark	Zettlr
Free Free and open source under the GPL-3.0.	Free The open-source software is available without a license fee. Hosting, hardware and…
Linux	Windows, macOS, Linux
Distraction-free Markdown writing Plain Markdown files organised in folders	Combines document navigation with flexible export workflows.
Linux only Small project with a single main developer	Some publication formats require additional export dependencies.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	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 October 1, 2026	Official website Full listing and sources Checked September 22, 2026

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