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.
GIFmaker - GIFmaker gives you the freedom and flexibility to create unique, professional GIFS that are on-brand, on your own!
Giphy For Gmail - Add the power of GIFs to your email
Gifmock - Easily create high quality GIFs
Coub - Coub is an app that features GIFs, but the GIFs that you select and send to other people have sounds.
Giphy - Search all the gifs and make your own animated gif