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NotesMD CLI vs zk: catalog facts
NotesMD CLI	zk
Free Free and open source under the MIT license.	Free Free to download and use from GitHub.
Command line	Command line
Interact with Obsidian vaults from the terminal Can run without Obsidian open	Notes stay as plain Markdown files Works with any text editor
Designed for Obsidian vaults	Command-line only, no graphical interface Assumes comfort with the terminal
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
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 8, 2026	Official website Full listing and sources Checked September 24, 2026

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