Krita | Digital Painting. Creative Freedom.
Krita is a free and open source cross-platform application that offers an end-to-end solution for creating digital art files from scratch. Krita is optimized for frequent, prolonged and focused use. Explicitly supported fields are illustrations, concept art, matte painting, textures, comics, and animations. Developed together with users, Krita is an application that supports their artistic needs and workflow. Krita supports open standards and interoperates with other applications.