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Astro Editor vs Ferrite: catalog facts
Astro Editor	Ferrite
Free Free downloads from the project's GitHub releases.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows, Linux
Frontmatter shown as forms built from Zod schemas Focus and typewriter modes for prose	Markdown writing with preview Also handles JSON, YAML and TOML
Only useful for Astro content collections Linux build is in beta	Focused on a few file types rather than general programming Younger project than established editors
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
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.