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Markdown Oxide vs Denote: catalog facts
Markdown Oxide	Denote
Free Free and open source under the GPL-3.0 licence.	Free Free and available from GNU ELPA.
Windows, Command line	Windows, macOS, Linux
Works inside the editor you already use Notes stay as plain Markdown files	Plain-text notes with predictable file names No database or lock-in
Requires an editor with LSP support and some setup No standalone interface of its own	Requires Emacs and some familiarity with it No mobile app
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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