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cmux vs Kaku: catalog facts
cmux	Kaku
Free Free and open source under the GPL.	Free Free to download; source code is published on GitHub.
macOS, iOS, Command line	macOS
Notification rings show which agent needs attention Vertical tabs with git branch, ports and directory	Works out of the box with no configuration required Tuned for AI coding workflows in the terminal
macOS only on the desktop Focused on agent workflows, which may be more than a plain terminal user needs	macOS only Younger project with less shared documentation
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	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.