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.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Procreate - Procreate is the most powerful and intuitive digital illustration App available for iPad®.
GIMP - GIMP is a multiplatform photo manipulation tool.
Autodesk SketchBook - SketchBook drawing and painting software provides designers, architects, and concept artists the tools to sketch ideas quickly and create beautiful illustrations.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.