APNG to GIF - Convert APNG animations into animated GIF format.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Animator - Animator is a small animation tool. Using Animator is really easy. Example : Drop file1.bmp.
GIMP - GIMP is a multiplatform photo manipulation tool.
Gifsicle - Gifsicle is a powerful, simple command line tool for creating, editing, and optimizing animated GIFs.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.