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Kaku vs cmux: catalog facts
Kaku	cmux
Free Free to download; source code is published on GitHub.	Free Free and open source under the GPL.
macOS	macOS, iOS, Command line
Works out of the box with no configuration required Tuned for AI coding workflows in the terminal	Notification rings show which agent needs attention Vertical tabs with git branch, ports and directory
macOS only Younger project with less shared documentation	macOS only on the desktop Focused on agent workflows, which may be more than a plain terminal user needs
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL
No account 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.