The GIMP source is available at ftp.gimp.org:/pub/gimp.
Copyrights for GIMP-related packages:
gimp
---------
Copyright (C) 1995 Spencer Kimball and Peter Mattis
The GIMP may be redistributed under the terms of the GNU GPL,
Version 2 or later, found on Debian systems in the file
/usr/share/common-licenses/GPL
The only exceptions are in in plug-ins/common/tiff.c and plug-ins/common/gif.c:
/*
** tifftopnm.c - converts a Tagged Image File to a portable anymap
**
** Derived by Jef Poskanzer from tif2ras.c, which is:
**
** Copyright (c) 1990 by Sun Microsystems, Inc.
**
** Author: Patrick J. Naughton
** naughton@wind.sun.com
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted,
** provided that the above copyright notice appear in all copies and that
** both that copyright notice and this permission notice appear in
** supporting documentation.
**
** This file is provided AS IS with no warranties of any kind. The author
** shall have no liability with respect to the infringement of copyrights,
** trade secrets or any patents by this file or any part thereof. In no
** event will the author be liable for any lost revenue or profits or
** other special, indirect and consequential damages.
*/
/* GIF saving file filter for The GIMP version 1.3/1.4
*
* Copyright
* - Adam D. Moss
* - Peter Mattis
* - Spencer Kimball
*
* Based around original GIF code by David Koblas. */
/* Copyright notice for GIF code from which this plugin was long ago */
/* derived (David Koblas has granted permission to relicense): */
/* +-------------------------------------------------------------------+ */
/* | Copyright 1990, 1991, 1993, David Koblas. (koblas@extra.com) | */
/* +-------------------------------------------------------------------+ */
libgimp
-----------
The GIMP libraries may be redistributed under the terms of the GNU
LGPL, Version 2 or later, found on Debian systems in the file
/usr/share/common-licenses/LGPL
