Giphy Chrome Extension - Respond to emails, tweets & more w/ GIFs in a jiffy
Giffing Tool - Giffing Tool is simply put: The fastest creator of high quality captioned GIFs available.
PopKey for Desktop - Quickly share ridiculous GIFs from Mac or Windows
GIPHY Create - Create animated GIFs from videos (by Giphy)
Vlipsy - Easily add your favorite video clips to any conversation.
Gifox - Delightful GIF Recording and Sharing App for macOS