Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
ezgif.com - Ezgif.com is simple online gif maker and toolset for basic animated gif editing.
GIMP - GIMP is a multiplatform photo manipulation tool.
Instagiffer - Create GIFs from anything!
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Gifox - Delightful GIF Recording and Sharing App for macOS