ForeFlight can be connected to RedBird Simulators by using Redbird's Cygnus. Cygnus is software that is installed on the computer running the RedBird software. Cygnus can be purchased from King Schools here:
There are two versions: A single pilot wired version for $199, and a Multi-pilot Wireless (via BadElf) version for $599.
For more information on using Cygnus to connect ForeFlight to a RedBird simulator, please contact RedBird at: