The nxserver.bin (/Applications/NoMachine.app/Contents/Frameworks/bin/nxserver.bin), nxnode.bin (/Applications/NoMachine.app/Contents/Frameworks/bin/nxnode.bin) and nxd (/Applications/NoMachine.app/Contents/Frameworks/bin/nxd) seems to have missing some code signatures (macOS).
Well, that would do it. Without SSH is worthless in many instances. I know I can tunnel it over SSH (manually), but that’s an extra step, rather inconvenient, and not sure if even possible when connecting from, say, a mobile device.
My search for a perfect Chrome Remote Desktop replacement goes on!