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iTerm2 vs Alacritty: catalog facts
iTerm2	Alacritty
Free Free and open source under the GPL.	Free Free and open source, with no paid edition.
macOS	Windows, macOS, Linux
Instant replay and shell integration make past output easy to recover Native tmux control mode turns tmux windows into real tabs	Vi mode for moving around and making selections with Vi bindings Search across the scrollback buffer, and regex hints for marking text
macOS only So many settings that first-time configuration is daunting	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
Open source	Open source
License: GPL-2.0	License: Apache-2.0
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 September 22, 2026	Official website Full listing and sources Checked September 20, 2026

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