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Cedilla vs Apostrophe: catalog facts
Cedilla	Apostrophe
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0-or-later licence.
Linux	Linux
Native app for the COSMIC desktop Focused on Markdown editing	Focus mode for distraction-free writing Live rendered preview
Designed around COSMIC, less at home on other desktops Linux only	Linux only Edits single files rather than managing a notes library
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	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.