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MyPaint vs Kleki: catalog facts
MyPaint	Kleki
Free Free and open source under the GPL.	Free Free to use in the browser.
Windows, Linux	Web
Infinite canvas with no fixed document size to plan around Extremely configurable brushes with full graphics tablet support	Runs in the browser with nothing to install Opens straight into a drawing canvas
Last stable release was 2.0.1 in 2020; newer work is only in nightly builds Windows and Linux only in official builds; no macOS release	Browser only Fewer features than a desktop painting program
Downloadable app	Web application
Open source	Closed source
License: GPL-2.0	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 21, 2026	Official website Full listing and sources Checked September 23, 2026

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