Adobe Photoshop Sketch!

Krita is a complete creative sketching and painting application with advanced, commercial quality features. It's free, open-source and available across all major desktop platforms.

MyPaint is a fast painting program with an emphasis on full-screen use. It lets you focus on the art instead of the program. You work on your canvas with minimum distractions, bringing up the interface only when you need it. MyPaint supports pressure or tilt sensitive graphic tablets and comes with an easy-to-use brush collection. There is a complex interface for creating own brushes, focusing on brush dynamics (changes with speed, pressure, randomly).

Corel Painter is a raster-based digital art application created to simulate as accurately as possible the appearance and behavior of traditional media associated with drawing, painting, and printmaking. It is intended to be used in real-time by professional digital artists as a functional creative tool.

A simple but lovely natural media painting and sketching program. Art oriented, but capable of loading/saving photoshop files. A very cheap alternative to Painter, with a stripped down, elegant interface.

Infinite Definition. Mischief uses a revolutionary new stroke representation. Get the richness of pixel-based brushes AND the scalability of vectors. Zoom in to any size and get a PERFECT edge. Export at ANY size and resolution.Infinite Canvas

ChibiPaint is an open source oekaki applet, a software that allows people to draw and paint online and share the result with other art enthusiasts. You can start using it right now on this website in the Oekaki Board section or download it and integrate it into your own website.Features highlights:

MyBrushes Paint for Mac app allows you to paint on infinite canvas and PLAYBACK whole drawing.

Procreate Pocket is a feature-rich painting app designed exclusively for iPhone. Quickly get started wherever inspiration strikes with everything you need to create stunning paintings, drawings, and illustrations.