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Ferrite vs Astro Editor: catalog facts
Ferrite	Astro Editor
Free Free and open source under the MIT licence.	Free Free downloads from the project's GitHub releases.
Windows, Linux	Windows, macOS, Linux
Markdown writing with preview Also handles JSON, YAML and TOML	Frontmatter shown as forms built from Zod schemas Focus and typewriter modes for prose
Focused on a few file types rather than general programming Younger project than established editors	Only useful for Astro content collections Linux build is in beta
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	No account 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.