When you see a YouTube streamer push back from a gate at JFK with a living, breathing airport around them, they are almost certainly using GSX Pro. It transforms a sterile simulator into a dynamic environment. The developers at FSDreamTeam constantly update it, adding new vehicles and fixing bugs.
A lightweight alternative to plan your pushback path precisely. Where to get it: Flightsim.to. Enhanced Live Traffic & Ground Textures: Gsx Pro Download Free