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Black Box vs Alacritty: catalog facts
Black Box	Alacritty
Free Free and open source under the GPL-3.0 licence.	Free Free and open source, with no paid edition.
Linux	Windows, macOS, Linux
Native GTK 4 and libadwaita interface Uses the established VTE terminal engine	Vi mode for moving around and making selections with Vi bindings Search across the scrollback buffer, and regex hints for marking text
Linux only Releases are infrequent	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-3.0-or-later	License: Apache-2.0
No account needed	No account needed
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.