Rhythmbox
Rhythmbox is a free and open source software for playing and organizing a music collection
Sayonara Player
Sayonara Player is a free and open source lightweight and fast library manager and music player
Nuvola Player
Nuvola Player – free and open source linux desktop music player for streaming services such as Spotify, YouTube Music, Apple Music and others
gmusicbrowser
gmusicbrowser is a free and open source software for listening to audio, a music player for large collections
Lollypop
Lollypop is a free and open source music player and music collection organizer
ANoise
ANoise is a free and open source user-friendly app that allows you to play ambient/background noises
MoonPlayer
MoonPlayer is a free and open source video player for playing and downloading online videos from YouTube, Youku, and iQiyi, as well as local videos
JuK
JuK is a free and open source audio player, music manager, and audio file tag editor
Asunder
Asunder – free and open source graphical audio CD ripper and encoder for Linux
Spivak
Spivak is a free and open source cross-platform karaoke player