Hey this one over here [1] has a virtual desktop minimap on the top right. That person mentions fvwm which has this [2] website with screenshots, but I don't see the minimap there. Could someone help me find a reference to it?

Update: Also on the bottom left here [3]

[1] https://anders.unix.se/images/desktop_warren_toomey.gif

[2] https://www.fvwm.org/

[3] https://anders.unix.se/images/desktop_jordan_hubbard.jpg