Crispy
https://github.com/vosen/ZLUDA is probably also worth trying, it lets you run CUDA applications on AMD graphics.
~~I'd also appreciate this function existing~~ ~~This feature is still missing so yes, you can work on it if you are still interested~~ Apparently you can already toggle always_on_top in...
Is this being worked on?
There is an OpenXR extension for overlays, XR_EXTX_overlay, but I don't think SteamVR implements it yet, so nobody is making anything with it. I'm not sure if other OpenXR runtimes...
Thank you, I will try setting this up