iwd (iNet wireless daemon) is a Linux-only wireless daemon aiming to decrease the time spent making connections.

Using iwd

iwd can be enabled with the following snippet.

networking.wireless.iwd.enable = true;

Connections can be managed using the provided iwctl tool.

iwd as backend for NetworkManager

If iwd is present, it can be used as a backend for NetworkManager through the following snippet.

networking.networkmanager.extraConfig = ''
  [device]
  wifi.backend=iwd
'';

Note that iwd is experimental and it does not have feature parity with the default backend, wpa_supplicant.