Terrain
I've always wondered what the best programs are for designing scenery! like canary sim and the himalayas mesh. or just plain editing terrain!
Flight Simulator and other chat
https://forums.simviation.com/phpBB3/
https://forums.simviation.com/phpBB3/viewtopic.php?f=16&t=38001
. Gmax is the program a lot of game desginers use to make games with but it is helpfull if you have had some kind of experience with a program like this as it can drive you crazzy, and to pull your hair out.