Compare software

kitty vs Extraterm: catalog facts
kitty	Extraterm
Free Free and open source under the GPL.	Free Free and open source under the MIT license.
macOS, Linux	Windows, macOS, Linux
Inline image display through its own graphics protocol Kittens add diffing, hints, remote control and SSH integration	Frames each command's output with shell integration Built-in SSH client and images in the terminal
No Windows build Configuration is a text file with no graphical settings	Output framing needs shell integration for bash, zsh or fish Still at a pre-1.0 version
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
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 24, 2026

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