piZap - Free online photo editing software.
ezgif.com - Ezgif.com is simple online gif maker and toolset for basic animated gif editing.
Photoshop.com - Photoshop.
Instagiffer - Create GIFs from anything!
Fun Photo Box - FunPhotoBox is a free photo editing device where you can make clever pictures from your photographs.
Gifox - Delightful GIF Recording and Sharing App for macOS