ThunderSoft GIF Converter is a six in one gif toolbox.
Website: http://www.thundershare.net/gif-converter/
Download: Thundersofrgifconverter-3.1.0.zip (reference)
It allows convert gif to swf, video, png file formats, and also can reverse, join animated gif, make gif from image files. This software provide easy to use user interface, rich output settings and fast conversion with high quality. All functions support batch convert with one click, help you dealing with huge numbers and any type of gif file conversion.
It says the damn code has EXPIRED