gimp

Developer description:

GIMP is an acronym for GNU Image Manipulation Program. It 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. 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.

@http://www.gimp.org/

1. Educational use: An alternative to Adobe's Photoshop. Useful in any photography or art classes. 2. Free 3. Most useful when editing photos or creating graphics for any course that may need this. Valuable as an alternative to Adobe's Photoshop when you need an image manipulation program. 4.