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Astro Editor vs Markdown Monster: catalog facts
Astro Editor	Markdown Monster
Free Free downloads from the project's GitHub releases.	Paid Commercial software with a free trial available.
Windows, macOS, Linux	Windows
Frontmatter shown as forms built from Zod schemas Focus and typewriter modes for prose	Synced live preview that follows the cursor and scroll position Two-way table editor and image paste from the clipboard
Only useful for Astro content collections Linux build is in beta	Windows only Paid licence after the trial
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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