Paint.NET is a free image editor that has a wide range of features to help you edit your photos.
Picas is one of those apps that uses artificial intelligence to create artworks for you and there are over a hundred art filter effects to help you give a retouch to your photos on your Android device.
Pinta is an alternative to GIMP that allows you to draw and edit images on your computer with its simple yet powerful editing tools. It is free and is available for Windows, Mac, and Linux.
Krista is a fully featured painting and image editor app that helps you get your paintings done easily on your computer.
If you are looking for advanced image editing features but would prefer a free option, then GIMP is the perfect choice you can make. It’s a fully featured image editor available for Windows, Mac, and Linux for free of cost.
Inkscape is a free and open source graphics editor like Adobe Illustrator for Windows, Mac, and Linux.
Skitch is a free tool to capture and edit screenshots on Mac and iOS devices.