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CorePaint vs KolourPaint: catalog facts
CorePaint	KolourPaint
Free Free and open source under the GPL-3.0 licence.	Free Free and open source from the KDE community.
Linux	macOS, Linux
Light on resources and dependencies Works on any desktop environment	Quick to start and easy to learn Covers basic shapes, text, selections and effects
Basic painting tool, not a full image editor Little standalone documentation on the project site	Not suited to advanced photo editing or layered work Primarily a Linux application
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	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 October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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