All source code is Copyright (C) 1997-2024 Eddie Kohler.

IF YOU PLAN TO USE GIFSICLE ONLY TO CREATE OR MODIFY GIF IMAGES, DON'T WORRY ABOUT THE REST OF THIS SECTION. Anyone can use Gifsicle however they wish; the license applies only to those who plan to copy, distribute, or alter its code. If you use Gifsicle for an organizational or commercial Web site, I would appreciate a link to the Gifsicle home page on any 'About This Server' page, but it's not required.

This code is distributed under the GNU General Public License, Version 2 (and only Version 2). The GNU General Public License is available via the Web at http://www.gnu.org/licenses/gpl.html or in the 'COPYING' file in this directory.

The following alternative license may be used at your discretion.

Permission is granted to copy, distribute, or alter Gifsicle, whole or in part, as long as source code copyright notices are kept intact, with the following restriction: Developers or distributors who plan to use Gifsicle code, whole or in part, in a product whose source code will not be made available to the end user -- more precisely, in a context which would violate the GPL -- MUST contact the author and obtain permission before doing so.