ripples(6x) on Linux
The text c2bb4dc4fa8e, as Debian 5.0 (Lenny) shipped it.
interference patterns.
Flags it lists
-
-colors -
-delay -
-fluidity -
-grayscale -
-light -
-no-oily -
-no-shm -
-no-stir -
-no-water -
-oily -
-rate -
-root -
-shm -
-stir -
-visual -
-water -
-window