Pixopedia is a complete image editor for any retouching, color modification, effects application and free design with a wide variety of brushes.
The free program will do the job you want and offers a very intuitive way of applying all the possibilities.
Each brush has a specific configuration and their combination is very easy, They work with the corresponding keyboard shortcut or by clicking on their icon. Each has its own customization options.
Pixopedia has a huge number of filters, colors, shapes, and more that you can use to edit all aspects of your images.
If you are interested you can read more at official webpage.