GIMP is the GNU Image Manipulation Program. A free, highly versatile image editor with many features comparable to Photoshop. Use GIMP for photo retouching, image authoring, batch image processing, image format conversion, and many more photo tasks. Includes full set of brushes and tools, alpha channel support, layers, masking, foreground extraction, plug-in support, transformations, and full extensibility through multiple scripting languages.
