Stremio
Stremio – organize and watch videos, movies, TV series and TV channels from different services: Youtube, iTunes, Amazon, Netflix, Twitch and others
VLC
VLC – free and open source cross-platform powerful multimedia player which plays most multimedia formats
Elisa
Elisa is a simple and beautiful music player with online radio support. Free and open source program
Clementine
Clementine – multiplatform free and open source modern music player and library organizer