Krita

Krita is a professional and completely free raster image editor open source. Despite the initial focus Krita to create images from scratch, here implemented enough opportunities not only for artists, but for photographers. Krita supports non-destructive editing of layers and masks work in different color spaces and different color models, in mode 8 to 32 bit floating point per channel. In addition, the implemented popular filters, adjustment layers, masks and dynamic filters, as well as a series of tools for retouching and many more.

Krita Features:

• full tools for working with frame animation, including export animations using FFmpeg
• a wide selection of brushes (including mixing, filtering, spectacular, spray, brush to fill volumes)
• a large number of blending modes
• managing the dynamics of brushes using a graphics tablet
• imitation paper and pastels
• the rotation and mirroring of the canvas
• pseudo-infinite canvas
• support for hot keys in Photoshop and SAI