FGC translates and distributes data from FG to other protocols and SW.
Flight Gear Cconnector translates and distributes data from Flight Gear freeware simulator to other protocols and softwares. It is mainly used with an embedded system simulator that allows fast development of aerospace glass cocpits.
GaugeBook displays Gauges of your FSX (with SP2 or Acceleration) and gives you control over a lot of Settings. Change Frequencies, QNH, etc with a few mouse clicks. It's still beta but the new G1000 is a blast. Runs smooth on any notebook.