XHSI (Navigation Display for X-Plane) is an add-on for the X-Plane flight simulator. This program simulates a Navigation Display (Horizontal Situation Indicator with moving map) styled after the Boeing 737-NG series, but can be used with any X-Plane aircraft.
SkyChart III is a planetarium and telescope control program that shows the sky from any location, past or future, on Earth or beyond.
