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ColaMD vs Zettlr: catalog facts
ColaMD	Zettlr
Free Free and open source under the MIT licence.	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, macOS, Linux	Windows, macOS, Linux
Stays in sync with changes made to the file by other tools Clutter-free interface with nothing to configure	Combines document navigation with flexible export workflows.
Few features beyond writing and viewing Markdown No built-in sync between devices	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 October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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