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MyPaint vs Rebelle: catalog facts
MyPaint	Rebelle
Free Free and open source under the GPL.	Paid Paid software in standard and Pro editions, with a free trial.
Windows, Linux	Windows, macOS
Infinite canvas with no fixed document size to plan around Extremely configurable brushes with full graphics tablet support	Realistic simulation of wet paint, mixing and drying Covers watercolor, acrylic, oil and dry media
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	No Linux or mobile version Trial download requires giving an email address
Downloadable app	Downloadable app
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.