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Ratty vs Hyper: catalog facts
Ratty	Hyper
Free Free and open source under the MIT licence.	Free Free and open source under the MIT licence.
Windows	Windows, macOS, Linux
GPU rendering Inline 3D graphics in the terminal	Themes are CSS and plugins are npm packages, so customisation is familiar territory The same appearance and configuration across Windows, macOS and Linux
Early 0.x releases Little documentation on the homepage	Electron, so startup time and memory use are well above a native terminal Rendering performance on heavy output is noticeably worse than native terminals
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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