GIMP is a free cross-platform image editor for graphic designers, photographers, and illustrators. GIMP provides you with sophisticated tools to get your job done and you can further enhance your productivity with GIMP thanks to many customization options and 3rd party plugins.
GIMP is an acronym for GNU Image Manipulation Program. It is a freely distributed program for such tasks as photo retouching, image composition and image authoring.
GIMP is a superb free alternative to Adobe Photoshop, and comes with a huge array of professional-quality functions for fine-tuning images and photos, and creating your own artwork from scratch.
It includes layers, highly customizable brushes, filters and automatic image-enhancement tools, and support for a huge number of plugins (some pre-installed, and others available to download separately).
Download: GIMP 2.10.6