What are some alternatives?
GIMP - GIMP is a multiplatform photo manipulation tool.
Procreate - Procreate is the most powerful and intuitive digital illustration App available for iPad®.
Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.
Tayasui Sketches - Sketches is a perfect mix of beauty, simplicity and power, a truly unique combination you won't...
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Autodesk SketchBook - SketchBook drawing and painting software provides designers, architects, and concept artists the tools to sketch ideas quickly and create beautiful illustrations.