GIMP is described as 'Free open-source suite with advanced photo retouching, composition, batch processing, plugin extensibility, custom scripting, and wide file format compatibility' and is a leading digital painting tool in the photos & graphics category. There are more than 100 alternatives to GIMP for a variety of platforms, including Windows, Mac, Web-based, Linux and iPhone apps. The best GIMP alternative is Krita, which is both free and Open Source. Other great apps like GIMP are Paint.NET, Adobe Photoshop, Affinity and Photopea.
Raster graphics editor featuring non-destructive layer-based editing with 24 blend modes, 18 advanced tools, masks, Unicode text, CMYK color support, pro filters, unlimited undo, PSD and AVIF compatibility, visual history, print workflows, and high-res image support.
Darkroom is moving photo editing to its mobile-centric and computational future. Photo editing is simplified for iPhone photographers, and supercharged with powerful AI-backed algorithms to more efficiently express yourself.
PicMonkey is a feature-rich online photo editor that works right in your browser; no downloads necessary. Touch-up tools like Teeth Whiten, Blemish Fix, Weight Loss. Effects like Orton, Cross Process, Color Boost, with drag and drop ease.
Ansel is an open-source photo-editing software for digital artists, designed to help you achieve your own interpretation of raw digital photographs.
Sumo Paint is a powerful image editor with a long-standing history as a fully capable Photoshop clone in the browser. Being designed for the browser, it's accessible on practically any system and loads much faster than most comparable desktop tools while still providing core...
A simple yet secretly powerful painting app! Focus on pure colors and shapes with a streamlined interface. Ideal for plein air painting, color notes, sketches and studies.
Umoupen is a fully featured drawing and animation app for artists who want it all, sketching, frame-by-frame animation, storyboarding, comic/notebook features, endless raster and vector canvases, extensive import (most image types, MP4, SVG, FLA) and export (PNG, GIF, MP4)...
VanceAI provides AI enhancing, upscaling, sharpening, denoising, background removing, and more, with only one click to free your hands from complicated photo processing. All AI tools are available across Windows, macOS, Android, and iOS.
CremaStudio is a fast, native image editor for macOS - open PSD and RAW files, edit with full layers, masks, and non-destructive adjustments, then export to open formats.
AliveColors is comprehensive graphics and photo editing software for Windows and Mac. It comes in Free, Home, and Pro versions, with differing levels of functionality.
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At least with GIMP I can readily save my work anytime and be assured I can access it post-2020; with Sumo Paint, though I can blend better, it feels a little like I have to rush because, flash app (though there's a new plug-in-free version online now).