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Kaku vs iTerm2: catalog facts
Kaku	iTerm2
Free Free to download; source code is published on GitHub.	Free Free and open source under the GPL.
macOS	macOS
Works out of the box with no configuration required Tuned for AI coding workflows in the terminal	Instant replay and shell integration make past output easy to recover Native tmux control mode turns tmux windows into real tabs
macOS only Younger project with less shared documentation	macOS only So many settings that first-time configuration is daunting
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
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 September 22, 2026

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