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cmux vs Otty: catalog facts
cmux	Otty
Free Free and open source under the GPL.	Freemium Free to download; see the pricing page in the documentation for current terms.
macOS, iOS, Command line	macOS
Notification rings show which agent needs attention Vertical tabs with git branch, ports and directory	Native macOS app for Apple Silicon and Intel Session list covering agents, SSH and branches
macOS only on the desktop Focused on agent workflows, which may be more than a plain terminal user needs	Mac only for now; other platforms are on a waitlist Young product with little published detail on pricing
Downloadable app	Downloadable app
Open source	Closed source
License: GPL	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it 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.