Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.

FotoFlexer - FotoFlexer is the most powerful online photo editor in existence.

TwistedBrush Pro Studio - A powerful and unique natural media painting program.

Photoshop.com - Photoshop.

Corel Painter - Corel Painter is media painting software.

Fun Photo Box - FunPhotoBox is a free photo editing device where you can make clever pictures from your photographs.