The GIMP (GNU Image Manipulation Program) is a freely distributed program for such tasks as photo retouching, image composition and image authoring. It has many capabilities. It can be used as a simple paint program, an expert quality photo retouching program, an online batch processing system, a mass production image renderer, an image format converter, etc.
Painting Full suite of painting tools including Brush, Pencil, Airbrush, Clone, etc. Sub-pixel sampling for all paint tools for high quality anti-aliasing Extremely powerful gradient editor and blend tool Supports custom brushes and patterns
System Tile based memory management so image size is limited only by available disk space Virtually unlimited number of images open at one time
Advanced Manipulation Full alpha channel support Layers and channels Multiple Undo/Redo (limited only by diskspace) Editable text layers Transformation tools including rotate, scale, shear and flip Selection tools including rectangle, rounded rectangle, ellipse, free, fuzzy Foreground extraction tool Advanced path tool doing bezier and polygonal selections. Transformable paths, transformable selections. Quickmask to paint a selection.
Extensible A Procedural Database for calling internal GIMP functions from external programs as in Script-fu Advanced scripting capabilities (Scheme, Python, Perl) Plug-ins which allow for the easy addition of new file formats and new effect filters Over 100 plug-ins already available
Animation Load and save animations in a convenient frame-as-layer format MNG support Frame Navigator (in GAP, the GIMP Animation Package) Onion Skin (in GAP, the GIMP Animation Package) Bluebox (in GAP, the GIMP Animation Package)
File Handling File formats supported include bmp, gif, jpeg, mng, pcx, pdf, png, ps, psd, svg, tiff, tga, xpm, and many others Load, display, convert, save to many file formats SVG path import/export
