Layout by Instagram - Combine multiple photos into a single image
instashare - Share your photos to instagram from your mac
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.
Plover - Browser Airdrop - transfer files to anyone, any device
Live GIF - Convert live photos to GIF
Starfiles - File hosting done simple