This component provides configurable screen overlays which may be opened with hotkeys, or appear on specific events. Each overlay is configured separately, and has its own set of events.

Foobar ~ OSD – Full Screen – Volume Display

Foobar – OSD – Full Screen – Title Display

www.foobar2000.org/components/view/foo_osd
hydrogenaud.io/index.php/topic,43044.0.html