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Kaku vs Alacritty: catalog facts
Kaku	Alacritty
Free Free to download; source code is published on GitHub.	Free Free and open source, with no paid edition.
macOS	Windows, macOS, Linux
Works out of the box with no configuration required Tuned for AI coding workflows in the terminal	Vi mode for moving around and making selections with Vi bindings Search across the scrollback buffer, and regex hints for marking text
macOS only Younger project with less shared documentation	The project describes itself as beta, with features still missing and bugs to fix No tabs or built-in multiplexer by design; you need tmux or your window manager
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
No account 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 September 20, 2026

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