Gimp

The 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.

• http://www.gimp.org/

Installing Gimp on Debian

apt-get install gimp

apt-cache search gimp (MANY related packages!)

Gimp for Windows

• http://www.gimp.org/windows/

• GIMP Windows installers