Kodi - Kodi is an award winning free and open source media player that got its start on the Xbox console.
Basefolder - Use your home PC as your own personal cloud storage server.
Stremio - Watch videos, movies, TV series and TV channels instantly.
SIXA - Personal cloud computer, built for developers
Universal Media Server - Universal Media Server allows you to host your entire library of video, music, and pictures, and broadcast them conveniently to a wide variety of different devices.
MiMedia - The personal cloud you've always wanted