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Ghostty vs Black Box: catalog facts
Ghostty	Black Box
Free Free and open source under the MIT licence, created by Mitchell Hashimoto.	Free Free and open source under the GPL-3.0 licence.
macOS, Linux	Linux
GPU rendering with genuinely native window chrome on each platform Very thorough terminal emulation, including the awkward edge cases	Native GTK 4 and libadwaita interface Uses the established VTE terminal engine
No Windows build Younger than the alternatives, with a smaller body of shared configuration	Linux only Releases are infrequent
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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