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Scratch vs Thonny: catalog facts
Scratch	Thonny
Free Free to use.	Free Free and open source.
Web	Windows, macOS, Linux
Visual blocks remove the need to learn syntax first Runs in the browser	Bundles Python, so there is nothing else to install Simple debugger suited to learning
Aimed at beginners rather than production programming Community features are public and need moderation for young users	Focused on Python only Fewer features than full professional IDEs
Web application	Downloadable app
Closed source	Open source
License not stated	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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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