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Apostrophe vs FocusWriter: catalog facts
Apostrophe	FocusWriter
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source under the GPL version 3.
Linux	Windows, Linux
Focus mode for distraction-free writing Live rendered preview	Hide-away interface keeps the page uncluttered Daily goals and live writing statistics
Linux only Edits single files rather than managing a notes library	No macOS build listed Not suited to complex layout or formatting
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0-or-later
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.