GNU Image Manipulation Program (GIMP) Review

GIMP is a free, feature-packed image editor with Photoshop-style functionality such as layers, filters, and masking, but it requires patience to master.
A free but fussy Photoshop alternative

GIMP 2.10.0 released: Features 32-bit support, new UI and more: Digital Photography Review

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GNU Image Manipulation Program (GIMP) - Review 2023 - PCMag UK

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GIMP Review: Easy to use

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GIMP – GNU Image Manipulation Program

Photo Editing