Stickman: Draw animation - Stickman: Draw animation is an animation editing tool that allows you to create your own animated movies in a few minutes.
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.
Looom - Looom is one of the best hand-drawn animation apps that makes it easy for anyone to create beautiful animations.
Clip Studio Paint - The artist's software for drawing and painting.
Flamingo Animator - Flamingo Animator is the perfect app for anyone who wants to create their own animated cartoons.
MyPaint - MyPaint is a fast, distraction-free, and easy painting tool for digital artists.