In the AirVPN router setups, there are guides for DD-WRT, Tomato, AsusWRT and pfSense, but there's nothing for OpenWrt, which I find unusual because it's the custom firmware with the largest community. Do the current router guides work similarly for OpenWrt? Are there any differences worth knowing about? Also, isn't the Tomato firmware on the AirVPN download page deprecated? I believe the current up to date fork is called FreshTomato.