OpenSeaMap can be run on PCs (Computers, Laptops, Netbooks) with a variety of navigational programs:
WinNav (GPS-32) is a complete navigation programm.
Chart formats: OpenSeaMap, WSV, BingMaps, ENC-, BSB- and self scanned charts.
Ship position on the chart (Moving map)
Waypoints by mouse click, send it to GPS, buld routes
AIS-position of other ships
Plotting (with Logbook)
NOAA chart reprojector
NOAA chart reprojector is a free program to convert Bitmap-Charts to over 30 different projections (Gauss, etc)
Data format for OpenSeamap: KAP (Mercator)