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.
Pattern Monster - Pattern Monster is a pattern maker app to create vector patterns for your projects
Artrage - A simple but lovely natural media painting and sketching program.
Patterninja - Create patterns online
Clip Studio Paint - The artist's software for drawing and painting.
SVG Stripe Generator - SVG Stripe Generator is an easy-to-use tool that enables you to create unlimited stripes and then download them to the device.