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Obsidian vs Marknote: catalog facts
Obsidian	Marknote
Free Free for everyone, including commercial use, in the vendor’s own words. Obsidian Sync and…	Free Free and open source under the GPL-2.0-or-later licence.
Windows, macOS, Linux, Android, iOS, Browser extension	Windows, macOS, Linux
Notes are plain Markdown files in a folder you control, readable without the app Linking, backlinks, tags, graph view and fast search across the vault	Notes stored as plain Markdown files you own Rich text editing with an optional source mode
The application is not open source, only the plugin ecosystem and the releases repository Syncing between devices means paying for Obsidian Sync or wiring up your own sync tool	No built-in sync between devices Fewer features than larger knowledge-base apps
Downloadable app, Browser extension	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 1, 2026

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