Priime - Edit photos with the styles of the world's top photographers. Smart suggestions, fast editing, and inspiring collections.
Watch2Gether - Watch2Gether is an app that allows multiple people to watch the same content simultaneously and interact with each other while watching.
Dark Room - A quick, powerful photo editor that gives you control
Metastream - Watch streaming media with friends
Nizo - A better iPhone camera for shooting film
StreamParty - StreamParty is a watch communiry, that allows you to watch video streams in sync with the people you care about, on multiple services.