VMT allows to view your gps tracks on various formats of map, and to analyze the track performance both on numeric and graphical format.
VMT also allows to manage different kind of mapsets and to manage your PoI and waypoints.
Nail is a GIS tool for displaying and querying spatial data through a web interface. Point, line and polygon vector data can be loaded from shapefiles and displayed on the map. Labels and attributes can also be displayed.