vasFMC is a free (licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License) Flight Management System (FMS) for Microsoft Flight Simulator (2002, 2004/FS9 and FSX) and X-Plane based on the FMS used in many Airbus models.
SkyChart III is a planetarium and telescope control program that shows the sky from any location, past or future, on Earth or beyond.
