FlightGear
FlightGear is a free open source Flight
Simulator that has been in development since 1996. I have been involved
in the project since 1997, and I'm currently involved in setting-up a
AI traffic system, and in manging the releases.

Generating Interactive Traffic
FlightGear's
interactive traffic system is described in detail elsewhere, so I won't
reiterate this here. If you are interested in creating traffic, then
you might be interested in downloading some additional scripts and data
files:
The Master AI traffic data This zip file contains the traffic data in an easy to edit text file format.
After
adding / editing traffic, you should generate xml files from these text
files, by running the following three scripts.Please note that these
scripts are currently still in early development, and may not work as
advertised.
splitbyAirline.sh This script splits the master documents up into smaller, more managable pieces.
conv2xml.pl This script converts the individual three-letter ICAO code based files into proper xml format.
xmltodest.sh This
script copies the resulting xml files into the proper directories. Note
that the directory paths are hardcoded to reflect my own system. Please
edit as necessary.
