Alias SketchBook Pro is a nimble, high quality paint and drawing application designed for use with digitized tablets. It features an artist-friendly, gesture-based user interface. With a flick of the stylus you can access any of the software's best-of-class tools: fast, reactive pencils, markers and brushes; pen-driven layers; background templates; a 30-brushstroke "undo/redo" option; and a unique pan/zoom tool.