GIMP
Photos & Graphics
Photo Editing
GIMP (GNU Image Manipulation Program) is a powerful, free, and open-source raster graphics editor used for image manipulation, retouching, composition, and authoring. It supports a vast array of file formats and provides sophisticated tools comparable to commercial alternatives, making it a versatile choice for photographers, designers, and artists.
Open Source
Completely free and open-source, with no licensing costs.