Plex is a centralized home media playback system with a powerful central server–the Plex Media Server–that streams its media to many Plex player Apps. The Server is available on many platforms like Windows, OS X, and many flavors of Linux, as well as many NAS devices like ReadyNAS or Synology. You use an App to view your media library and watch shows. Apps are available for PCs, mobile devices like smartphones and tablets, and many Smart TVs.
Plex: One window into all of your media. Anytime. Anywhere.