Description:

GIMP is a multi-platform photo manipulation tool. GIMP is an acronym
for GNU Image Manipulation Program. The GIMP is suitable for a variety
of image manipulation tasks, including photo retouching, image
composition, and image construction.

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.

GIMP is expandable and extensible. It is designed to be augmented with
plug-ins and extensions to do just about anything. The advanced
scripting interface allows everything from the simplest task to the
most complex image manipulation procedures to be easily scripted.