PeerTube is a self-hosted and (optionally) federated video sharing platform that saves bandwith on videos the more people watch. PeerTube instances can follow each other to share videos and grow the federated network, but you can always keep your instance to yourself if you choose to. Note on Bandwidth Video sharing is the most bandwidth intensive thing on the internet! If you plan on just having a small personal site with a few viewers and friends, that won't be a big concern, but most VPS p...