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Rio vs Ratty: catalog facts
Rio	Ratty
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows
Provides a modern interface for shell sessions.	GPU rendering Inline 3D graphics in the terminal
Shell programs and remote-access tools are installed separately.	Early 0.x releases Little documentation on the homepage
Downloadable app	Downloadable app
Open source	Open source
License: MIT	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 October 2, 2026

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