Foobar2000 is free audio player.

MediaMonkey is a music manager and music player for serious music collectors.

JetAudio is a shareware media player application for Microsoft Windows and Android.

AIMP is a free audio player with support for a large number of formats and playlists.

DeaDBeeF (as in 0xDEADBEEF) is an audio player.

Switch Audio File Converter allows you to convert common file types to a very comprehensive variety of audio output formats.