Ace Stream
Ace Stream is a peer-to-peer multimedia streaming protocol, built using BitTorrent technology
FreeTube
FreeTube is a free and open source, multi-platform, privacy-focused YouTube desktop client
Audacious
Audacious is a free and open source, multi-platform, simple, lightweight and advanced music player
DeaDBeeF
DeaDBeeF is a free and open source, multiple-platform modern, simple and minimalist modular audio player
Nuclear
Nuclear is a free and open source, multi-platform modern music player focused on streaming from free sources
Guayadeque
Guayadeque is a free and open source software for managing large collections of music, listening to music, radio and podcasts
Musique
Musique is a free and open source, multi-platform functional and easy to use music player
Pogo
Pogo is a free and open source, fast and minimalist audio player for Linux
Qmmp
Qmmp is a free and open source, multi-platform audio/music player with a user interface similar to Winamp or XMMS
Quod Libet
Quod Libet is a free and open source, multi-platform music player and music library manager