Tenor - More than 300M people use Tenor every month to communicate with an animated GIF that expresses...
PopKey for Desktop - Quickly share ridiculous GIFs from Mac or Windows
Giphy - Search all the gifs and make your own animated gif
Vlipsy - Easily add your favorite video clips to any conversation.
Gifyu - Upload GIF Images and Share Pictures Online
Giphy For Gmail - Add the power of GIFs to your email