Quod Libet is a music management program. It provides several different ways to view your audio library, as well as support for Internet radio and audio feeds. It has extremely flexible metadata tag editing and searching capabilities.

Supported file formats include Ogg Vorbis/Opus/Speex/FLAC, MP3, FLAC, MOD/XM/IT, Musepack, Wavpack, MPEG-4 AAC, Monkeys Audio, WMA, SPC, MIDI.