GIMP is the GNU Image Manipulation Program. It is a freely
distributed piece of software for such tasks as photo retouching,
image composition and image authoring. It works on many operating
systems, in many languages.
Version 2.2.13 of the GNU Image Manipulation Program is a bug-fix
release in the stable 2.2 series.
New features will be added in version 2.4, which will be released soon.