Transparent X on-screen display.
It's fairly insane. It's way too unix-like to be usable by mere mortals. You'd think that you could run 'xosd' to run the program, but you're wrong. It's actually
Comes with an XMMS plugin.
2007-07-17 - (version unknown) ∞
\echo "foo" | \osd_cat \echo "test" | \osd_cat --font "-misc-fixed-medium-r-semicondensed--*-*-*-*-c-*-*-*)" -d 1 \tail -f /var/log/messages | \osd_cat