The goal of the OSM2PostGIS project is to develop an OpenStreetMap data processor that can import any amount of .osm XML data into a PostGIS database, and produce evaluated navigation network topologies to support routing.
The LogMeFree is a tool to transform NMEA frames to Google's KML.
The data can be read from a file or directly from a GPS device (i.e. GPS logger, mouse).
JJFMapper is a cartography program for PHP. Serves maps realtime and/or saves them to disk. Can read ESRI Shapefiles and GPX files. It streams, saves, or returns an image via the GD library. It is controlled by an easy to learn XML config document.