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kitty vs tym: catalog facts
kitty	tym
Free Free and open source under the GPL.	Free Free and open source.
macOS, Linux	Linux
Inline image display through its own graphics protocol Kittens add diffing, hints, remote control and SSH integration	Lightweight design Fully scriptable configuration in Lua
No Windows build Configuration is a text file with no graphical settings	Linux only Configuration requires writing Lua
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
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 October 2, 2026

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