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Cedilla vs ThiefMD: catalog facts
Cedilla	ThiefMD
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	Library is plain files on your own file system Export to PDF, ePub, docx and blog platforms via Pandoc
Designed around COSMIC, less at home on other desktops Linux only	Linux only Developers note it comes with no guarantees against lost files
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.