Vine Camera - Vine Camera is one of the best video editing application that allows you to make 6-second looping videos and post it directly to Twitter, Facebook, Instagram and all the other social platforms.
Bobble Stickers for iMessage - One selfie, Unlimited Stickers!
Giphy For Gmail - Add the power of GIFs to your email
GIPHY for iMessage - The easiest way to share all the GIFs in all your txts
Coub - Coub is an app that features GIFs, but the GIFs that you select and send to other people have sounds.
MojiLaLa Unlimited for iMessage - 32,000 original stickers by 450+ artists all over the world.