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Pixelitor vs PhotoGIMP: catalog facts
Pixelitor	PhotoGIMP
Free Free and open source under the GPL-3.0-only licence.	Free Free, with source published on GitHub.
Linux	Windows, Linux
Layers, masks and text layers More than 110 filters and color adjustments	Eases the move from Photoshop to GIMP Targets GIMP 3 and later
Adjustment layers and smart filters are still experimental Maintained by a single developer	Requires GIMP to be installed first Overwrites your existing GIMP configuration
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License not stated
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 October 1, 2026

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