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.
PopKey for Desktop - Quickly share ridiculous GIFs from Mac or Windows
Giphy For Gmail - Add the power of GIFs to your email
Vlipsy - Easily add your favorite video clips to any conversation.
Coub - Coub is an app that features GIFs, but the GIFs that you select and send to other people have sounds.
Owlead - Grow your Twitter with valuable followers, effortless