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.