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.
Pigment by ShapeFactory - A unique way to explore color using lighting and pigment
Artrage - A simple but lovely natural media painting and sketching program.
ibis Paint X - Drawn with + ibisPaint
Procreate - Procreate is the most powerful and intuitive digital illustration App available for iPad®.
Kdan Mobile Animation Desk - Achieve your dream of creating your own animation.