GIMP delivers powerful functionalities for photo retouching, image composition, and format conversion. As a versatile tool, it serves as both a simple paint program and a high-end retouching suite, and offers batch processing for mass image tasks in an accessible open-source platform.

Comprehensive raster graphics editor offering advanced photo and image editing features. Supports multiple layers, masks, alpha compositing, various color models, and has limited vector graphics, 3D, and video capabilities. Extensible via plug-ins.

Explore this platform for free, web-based photo editing; it provides tools like overlays, double exposure, and color splash for detailed modifications plus Pro features like Influence Masks and advanced blending.

Image editing software for macOS and iOS, offering nondestructive, GPU-powered editing with machine learning features, RAW support, custom brushes, and seamless macOS integration for touch-ups, painting, and creative compositions.

PhotoScape is a fun and easy photo editing software that enables you to fix and enhance photos.

Edit, share, and upload photos on-the-go, or access your entire online photo library with a finger-flick using Adobe Photoshop Express for iPhone, iPad and Android.

Corel's tool provides comprehensive photo editing and design features including enhanced layers, precise tools, RAW editing, and organization capabilities such as keyword tags, auto sorting, and facial recognition, making it ideal for both novices and professionals in various projects.

Comprehensive photo editing tool with AI-powered automation and easy step-by-step guidance. It includes unique creation tools, layer support, facial recognition, and organizes your photos seamlessly. Available as a one-time purchase, no subscription required, with cloud sync for flexibility.

PhotoFiltre 7 is a complete image retouching program. It allows you to do simple or advanced adjustments to an image and apply a vast range of filters on it. It is simple and intuitive to use, and has an easy learning curve.

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.

Glimpse is an open source image editor based on the GNU Image Manipulation Program. The goal is to experiment with new ideas and expand the use of free software.

Fotor is a online picture editor and graphic designer, allowing you to use online photo editing tools, such as add filters, frames, text, stickers and effects…and apply design tools to make creative photo designs and graphics.