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Tux Paint vs Kleki: catalog facts
Tux Paint	Kleki
Free Free and open source.	Free Free to use in the browser.
Windows, macOS, Linux, Android, iOS	Web
Interface designed for young children Runs on many platforms, including Android and Haiku	Runs in the browser with nothing to install Opens straight into a drawing canvas
Too simple for serious illustration or photo editing iOS version is unofficial	Browser only Fewer features than a desktop painting program
Downloadable app	Web application
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it 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.