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Zettlr vs Ulysses: catalog facts
Zettlr	Ulysses
Free The open-source software is available without a license fee. Hosting, hardware and…	Paid Paid app with a free trial on all devices.
Windows, macOS, Linux	macOS, iOS
Combines document navigation with flexible export workflows.	Distraction-free editor for long-form writing Library for organizing large writing projects
Some publication formats require additional export dependencies.	Apple platforms only Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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