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Black Box vs Ghostty: catalog facts
Black Box	Ghostty
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the MIT licence, created by Mitchell Hashimoto.
Linux	macOS, Linux
Native GTK 4 and libadwaita interface Uses the established VTE terminal engine	GPU rendering with genuinely native window chrome on each platform Very thorough terminal emulation, including the awkward edge cases
Linux only Releases are infrequent	No Windows build Younger than the alternatives, with a smaller body of shared configuration
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: MIT
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 21, 2026

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