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JS Paint vs Tux Paint: catalog facts
JS Paint	Tux Paint
Free Free and open source under the MIT License, with optional donations.	Free Free and open source.
Linux, Web	Windows, macOS, Linux, Android, iOS
Faithful MS Paint interface in any browser Extra features beyond the original, including vertical text	Interface designed for young children Runs on many platforms, including Android and Haiku
Deliberately simple compared with full photo editors No layers or advanced retouching tools	Too simple for serious illustration or photo editing iOS version is unofficial
Downloadable app, Web application	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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