Optimus Manager - Manjaro
https://wiki.manjaro.org/index.php/Optimus_ManagerThis Linux program provides a solution for GPU switching on Optimus laptops (a.k.a laptops with dual Nvidia/Intel GPUs). Manjaro is supported: Only Xorg sessions are supported (no Wayland).. Supported display managers are : SDDM, LightDM, GDM.The program may still work with others but you have to configure them manually, see Using a different Display Manager.