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.
Stickman: Draw animation - Stickman: Draw animation is an animation editing tool that allows you to create your own animated movies in a few minutes.
Autodesk SketchBook - SketchBook drawing and painting software provides designers, architects, and concept artists the tools to sketch ideas quickly and create beautiful illustrations.
CALLIPEG BY ENOBEN - CALLIPEG BY ENOBEN is a hand-drawn animation app that is easy to use and perfect for anyone who wants to create their own cartoons.
Clip Studio Paint - The artist's software for drawing and painting.
d3D Sculptor - d3D Sculptor is the world’s most advanced digital sculpture tool.