GIMP Gnu Image Manipulation Program
The GIMP is the GNU Image Manipulation Program. It is a piece of
software suitable for such tasks as photo retouching, image
composition and image authoring. For all of you who know the
terminology, a brief list of features and capabilities which GIMP
provides might be:
Full suite of painting tools including brushes, a pencil, an
airbrush, an ink tool and cloning.
Advanced scripting capabilities provided by a procedural
database so you can call internal GIMP functions from external
scripts, such as Perl-Fu(Perl scripts and Python-Fu(Python
Multiple undo and redo, limited only by disk space.
Transformation tools including rotate, scale, shear, and flip.
File formats supported include Post script, JPEG, GIF, PNG,
XPM, TIFF, TGA, MPEG, PCX, BMP, and many others.
Selection tools including rectangular, elliptical, free,
fuzzy, paths, and intelligent scissors.
Plug-ins that allow for easy addition of new functions, new
file formats, and new effect filters.
Tile-based memory management so image size is limited only by
Sub-pixel sampling for all paint tools, allowing for
Full Alpha channel (transparency) support.
Layers and channels.
Once in GIMP you open a new image (file) by choosing “new” from
the File menu in the toolbox window. You can also scan images with GIMP.