Is this a commercial copy of Flightgear? http://www.flightgear.org/ http://www.flightgear.org/ It seems odd that Flightgear is never mentioned on the site, eve

Is this a commercial copy of Flightgear? http://www.flightgear.org/ http://www.flightgear.org/ It seems odd that Flightgear is never mentioned on the site, even though much of the text seems to be lifted directly off their site...