Watch2Gether - Watch2Gether is an app that allows multiple people to watch the same content simultaneously and interact with each other while watching.
Metastream - Watch streaming media with friends
Rave - Rave is a free iOS and Android app where you can watch Netflix, Disney+, YouTube, Prime Video and more while chatting with friends in perfect sync. It's the ultimate virtual movie theatre!
Watchpubs - Enjoy watching memes or learn new things on YouTube together with friends, listen to music on SoundCloud, play Google Drive video files, or just play your favorite videos from other popular free video-sharing services.
StreamParty - StreamParty is a watch communiry, that allows you to watch video streams in sync with the people you care about, on multiple services.
TogetherTube - to watch videos with other people online