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Smultron vs SubEthaEdit: catalog facts
Smultron	SubEthaEdit
Paid One-time purchase of $9.99 for Smultron 14, with a free trial download and upgrade and…	Free Free and open source.
macOS	macOS
One-time purchase with no subscription Older versions available for earlier macOS releases	Real-time collaborative editing Block editing on multiple lines
macOS only Current version requires macOS 14 Sonoma or later	macOS only Smaller extension ecosystem than mainstream editors
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.