Flattening
PHOTOMOD GeoCalculator v.4.4.682
PHOTOMOD GeoCalculator is the software for points coordinates transformation, included in the PHOTOMOD system, as well as a stand-alone free application.
GPSBabel v.1.4.3
Free program for GPS data conversuib abd transfer. GPSBabel converts waypoints, tracks, and routes between popular GPS receivers and mapping programs. It also has strong manipulation tools for such data.