Recs.
Updated
SpecsUpdate
Pros
Pro Amazing support for displaying brushes
Krita's preset brushes are one of the default dockers. Each brush has a preview on mouseover that shows a detailed view of the type of brush involved. All the brushes also have useful and descriptive names such as "HP Pencil" or "Textured Fuzzy".
Pro Powerful unified OpenGL canvas
All the work is done on the canvas. Having an 3D accelerated canvas makes Kirta really unique in the free image editor ecosystem. In a sense Krita is closer to Photoshop or Corel Painter than it is to Gimp.
Pro Easy editing in a tiled view
Tiled view that shows your image tiled in the editor, and permits you to edit it as you are seeing it tiled. If the brush passes out of your texture, it will just automatically wrap back the painting to the other side of the original texture, while permitting you to paint and see the results on any of the tiled "clones". (the shortcut key to activate this is w by default)
Cons
Con Documentation is lacking
Krita's official documentation is incomplete in some areas, especially for new features that are constantly added. But this is compensated with its great design and usability which makes it easier to understand how things work. *I feel the documentation is excellent, and has links to outside sources, like GDQuest and other things that are fully updated.. Amazing dev team and product..
Recommendations
Comments
Flagged Pros + Cons
Pro Free and open source
Krita is completely free and open source. They have raised a couple of successful Kickstarters in the past to get the initial financing and now they are accepting donations.