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Notable vs Marknote: catalog facts
Notable	Marknote
Free Free to use as freeware.	Free Free and open source under the GPL-2.0-or-later licence.
Windows	Windows, macOS, Linux
Notes kept as plain GitHub Flavored Markdown Nestable tags and attachments	Notes stored as plain Markdown files you own Rich text editing with an optional source mode
Source code of current versions is not published Development has slowed, with infrequent updates	No built-in sync between devices Fewer features than larger knowledge-base apps
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: GPL-2.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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