Plex

Plex bridges the gap between your computer and your home theater, doing so with a visually appealing user interface that provides instant access to your media. Plex can play a wide range of video, audio and photo formats as well as online streaming audio and video. The real power of Plex is found in its library features: Organize your media into versatile libraries, automatically retrieve metadata from the Internet, and display your libraries using one of the visually stunning skins.

The Plex mobile app lets you remotely stream music and video to your smartphone over WiFi, and use your smartphone as a remote control for your media center,