Grafomap - A map poster of your favourite place on earth
Watch2Gether - Watch2Gether is an app that allows multiple people to watch the same content simultaneously and interact with each other while watching.
TiltMaps - Create map posters of your favorite places & memories.
Metastream - Watch streaming media with friends
Craft & Oak - Beautiful, minimalistic custom map posters
StreamParty - StreamParty is a watch communiry, that allows you to watch video streams in sync with the people you care about, on multiple services.