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Alice vs KTurtle: catalog facts
Alice	KTurtle
Free Free to download, supported by donors and partners.	Free Free KDE application.
Windows, macOS, Linux	Windows, Linux
Drag-and-drop coding with 3D results Large set of lessons and curricula for teachers	Commands translated into the learner's own language Step and slow-motion execution to follow a program
Aimed at beginners and classrooms Projects are tied to Alice's own environment	TurtleScript is a teaching language, not one used for real projects No macOS build listed
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
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 24, 2026

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