You can see what his builds have : Build for Netgear R7800
It has the usual necessities like OpenVPN and WireGuard but you can always install extra packages
Latest stable build: https://www.dropbox.com/scl/fo/16p7qk85j7gm92me98tlj/ABQy_QDXa8F71aY4wwkZog4/owrt2305-r23902-50148a40d2-20240619?rlkey=2rah1q0kib5hhf9lxngzo8qhm&subfolder_nav_tracking=1&st=eahewvxg&dl=0
The manifest.txt contains what packages are already included