LocBrowser Basic Edition 1.1
the author of this app says:
This moving map application combines the use of multiple digital maps with GPS positioning. It is intended for traveling and outdoor activities like hiking and cycling. It supports real-time navigation when combined with a GPS receiver, in addition to BMP, JPG, GIF and PNG raster map formats.
The program includes scrolling and zooming operations, a full-screen mode and support for all GPS receivers with NMEA 0183 output.