GIMP
GIMP (/ɡɪmp/; an acronym for GNU Image Manipulation Program) is a free and open-source raster graphics editor used for image retouching and editing, free-form drawing, resizing, cropping, photo-montag...
GIMP - Wikipedia
GIMP release history
GIMP originally stood for General Image Manipulation Program. Its creators, Spencer Kimball and Peter Mattis, began developing GIMP as a semester-long project at the University of California, Berkeley...
GIMP release history - Wikipedia