YouTube Messenger - YouTube in-app video sharing and messaging
tvOS 12 - Apple TV's powerful new operating system
Kiwi Music Player - Listen to any track on youtube on this Mac App
BitTorrent Live - Live streaming video. iPhone, Apple TV, MacOS. Android soon.
YouTube Vanced - Vanced is a modded version of YouTube with many features such as adblocking and background playback
Movies Anywhere - Combine movies on iTunes, Amazon & Google Play in one place