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Simplenote vs Markor: catalog facts
Simplenote	Markor
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source.
Windows, macOS, Linux, Android	Android
Syncing is free and unlimited across every platform, notes keep a version history, and the whole thing stays…	Edits Markdown, todo.txt and Zim files directly Simple and lightweight
There is no encryption of note contents on Automattic's servers, and no attachments, folders or rich formatting.	Android only No built-in sync service
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
Not stated if an account is needed	No account 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.