Paint.NET
Paint.NET is a free image editor that has a variety of tools available. It features a large variety of image formats that can be imported and exported. It also has a layer system, a variety of filters, and a number of effects.
Pixelmator
Pixelmator is a powerful image editor that can do quite a lot. It has a number of features available, such as layers, filters, and text editing. It also has a number of other tools that make it a powerful app.
Paint Tool SAI
Paint Tool SAI is an easy to use program with a variety of tools and filters available. It can be used to generate a large number of effects with ease. It also has a very user-friendly interface.
Pixia
Pixia is a very popular image editor that can do quite a lot. It has a large number of features available, such as layers, filters, and text editing. It also has a number of other tools that make it a powerful app.
Inkscape
Inkscape is a vector graphics editor. It has a number of features that make it a powerful tool, such as layers, filters, and text editing. It also has a number of other tools that make it a powerful app.