XMMS is a legacy GTK+1 music player modeled after Winamp.
Freshmeat listing of everything XMMS
Winamp Equalizer Presets
xmms.org is no longer under our control. It was sold without the consent of the developers of XMMS by our previous sponsor opensound.com. See what-ever-happened-to-xmms-org post by Tobias Rundstrom.