Audio player software for Linux

server-side application for playing music

Jellyfin is a free and open-source media server and suite of multimedia applications designed to organize, manage, and share digital media files to networked devices. Jellyfin consists of a server application installed on a machine running Linux, Microsoft Windows, or macOS; and another application running on a client device such as a smartphone, tablet, smart TV, streaming media player, game console or in a web browser. Jellyfin also can serve media to DLNA and Chromecast-enabled devices. It is a fork of Emby.

console audio player

mpg123 is a free and open-source audio player. It supports MPEG audio formats, including MP3.