Dubsmash - From silly lip-syncing to full featured video messaging 😜
Caption This - Create a smart caption for your photo in a second!
Coub - Coub is an app that features GIFs, but the GIFs that you select and send to other people have sounds.
Quik by GoPro - Easiest way to create awesome videos
Trio - Make cool videos out of other people's GIFs, video, & music
Pretty Captions - Create beautiful captions for Instagram and other platforms