Giphy Chrome Extension - Respond to emails, tweets & more w/ GIFs in a jiffy
GIPHY for iMessage - The easiest way to share all the GIFs in all your txts
PopKey for Desktop - Quickly share ridiculous GIFs from Mac or Windows
MojiLaLa Unlimited for iMessage - 32,000 original stickers by 450+ artists all over the world.
Vlipsy - Easily add your favorite video clips to any conversation.
Doll Up Stickers - Dress up your messages.