Kodi - Kodi is an award winning free and open source media player that got its start on the Xbox console.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Emby - media server for personal streaming movies tv music photos in mobile app or browser for all devices android iOS windows phone appletv androidtv smarttv and dlna.
MPV - MPV is an audio and movie player based on MPlayer and mplayer2.
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.
SMPlayer - SMPlayer is a free video and audio player for both Windows and Linux that allows you to play almost all media files without having to install additional codecs. Read more about SMPlayer.