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Apostrophe vs Ferrite: catalog facts
Apostrophe	Ferrite
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source under the MIT licence.
Linux	Windows, Linux
Focus mode for distraction-free writing Live rendered preview	Markdown writing with preview Also handles JSON, YAML and TOML
Linux only Edits single files rather than managing a notes library	Focused on a few file types rather than general programming Younger project than established editors
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	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.