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Pixelitor vs GIMP: catalog facts
Pixelitor	GIMP
Free Free and open source under the GPL-3.0-only licence.	Free Free software under the GNU GPL; there is no paid edition and no subscription.
Linux	Windows, macOS, Linux
Layers, masks and text layers More than 110 filters and color adjustments	Full layer, mask, selection and path editing for photo retouching and composites Runs on Linux, macOS and Windows from one project
Adjustment layers and smart filters are still experimental Maintained by a single developer	The interface follows its own conventions, so Photoshop habits do not transfer cleanly CMYK support for print work is still limited compared with commercial editors
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 20, 2026

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