blitspin(1) on Linux
The text 3acbb71bd28c, as Debian 2.2 (Potato), Debian 2.1 (Slink) shipped it.
rotate a bitmap in an interesting way
Flags it lists
-
-bitmap -
-delay -
-delay2 -
-grab-screen -
-install -
-mono -
-root -
-visual -
-window