APNG to GIF - Convert APNG animations into animated GIF format.
Any To GIF - Convert any picture into an animated GIF file.
Animator - Animator is a small animation tool. Using Animator is really easy. Example : Drop file1.bmp.
Picasion - Great site for creating animated GIF files!
Gifsicle - Gifsicle is a powerful, simple command line tool for creating, editing, and optimizing animated GIFs.
MotionGIF - An all-in-one, easy and feature-rich GIF animator for Web animation!