This protocol is sponsored by wlroots for inclusion in the wp namespace. We consider this protocol on-topic for the wp namespace as it is a "plumbing" extension of the wl_pointer interface.
The following open-source implementations are available:
wlroots (server): https://github.com/swaywm/wlroots/blob/master/types/wlr_virtual_pointer_v1.c
The wlroots interface is currently supported by Sway.
wlroots (example client): https://github.com/swaywm/wlroots/blob/master/examples/virtual-pointer.c
wayvnc (client): https://github.com/any1/wayvnc
Acked-By: Drew DeVault sir@cmpwn.com