Adobe photoshop is one the best commercial photo editing and design app.

FireAlpaca is the free paint tool that is available in 10 languages and compatible with both Mac and Windows.

Krita is a professional free and open source painting program.

PaintTool SAI is high quality and lightweight painting software, fully digitizer support, amazing anti-aliased paintings, provide easy and stable operation.

SketchBook Pro, also referred to as SketchBook, is a pixel graphics software application that features a radial/pie-menu user interface, intended for expressi…

GIMP Paint Studio is a great pack of designing components like brushes, dynamics, gradient etc.

Microsoft Paint (formerly Paintbrush) is a simple computer graphics app that has been included with all versions of Microsoft Windows.