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Fog Panther vs GIMP: catalog facts
Fog Panther	GIMP
Paid A $69.99 one-time purchase, with a free download offered from the site.	Free Free software under the GNU GPL; there is no paid edition and no subscription.
Linux	Windows, macOS, Linux
PSD support with non-destructive adjustment layers True CMYK editing with ICC profiles and separations	Full layer, mask, selection and path editing for photo retouching and composites Runs on Linux, macOS and Windows from one project
Linux only Proprietary and paid	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
Closed source	Open source
License: Proprietary	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.