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.
d3D Sculptor - d3D Sculptor is the world’s most advanced digital sculpture tool.
Artrage - A simple but lovely natural media painting and sketching program.
My Drawing 1 - My Drawing 1 is a light and fully featured drawing app that is perfect for artists of all levels.
Procreate - Procreate is the most powerful and intuitive digital illustration App available for iPad®.
Stickman: Draw animation - Stickman: Draw animation is an animation editing tool that allows you to create your own animated movies in a few minutes.