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Swifty Notes vs Iotas: catalog facts
Swifty Notes	Iotas
Free Free and open source under the MIT license.	Free Free and open source under the GPL-3.0 or later.
macOS, Linux	Linux
Native GTK and Adwaita interface Markdown editing with preview	Fast Nextcloud Notes sync with offline editing Optional Markdown with a formatted view and task lists
Small project with a limited user base Sync options are not described in the research	Notes are stored in SQLite, not plain files Export to PDF, ODT and HTML is still in preview
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it 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.