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.
ChangeTip for iPhone - Send and receive dollars and bitcoin on social (with emoji!)
Autodesk SketchBook - SketchBook drawing and painting software provides designers, architects, and concept artists the tools to sketch ideas quickly and create beautiful illustrations.
Facebook Pay - Send money to your friends via Messenger
Clip Studio Paint - The artist's software for drawing and painting.
Square Cash - Email money to Anyone