GeoVisu is a viewer for geographic data - graphic files, images and GPS. It provides real time GPS navigation (moving map - NMEA 0183 protocol or Garmin USB), displayed with diverse geographic data (MIF, GPX, NMEA, KML/KMZ, SHP, ECW, GeoTiff, MrSID...). It can download waypoints, tracklogs and routes from datalogger GPS devices. It supports many geodetic systems and performs geographic and cartographic coordinate conversions. It can save graphics data to MIF, GPX, NMEA and KML (Google Earth) formats.