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cmux vs Supaterm: catalog facts
cmux	Supaterm
Free Free and open source under the GPL.	Freemium Free trial limited to five open tabs; a personal license is $99 once with a year of…
macOS, iOS, Command line	macOS, Command line
Notification rings show which agent needs attention Vertical tabs with git branch, ports and directory	Native macOS terminal using libghostty Spaces, tabs and panes for organizing sessions
macOS only on the desktop Focused on agent workflows, which may be more than a plain terminal user needs	Requires macOS Tahoe Trial is limited to five open tabs
Downloadable app	Downloadable app
Open source	Closed source
License: GPL	License not stated
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 2, 2026

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