Packages with the rplay use flag

x11-wm / ctwm : A clean, light window manager

  • Enable sound support from media-sound/rplay

x11-wm / fvwm : An extremely powerful ICCCM-compliant multiple virtual desktop window manager

  • Enable rplay support

x11-wm / fvwm3 : A multiple large virtual desktop window manager derived from fvwm

  • Enable rplay support

x11-wm / vtwm : TWM descendant that implements a Virtual Desktop

  • Enable rplay support, needed for sound.