mapping, gps
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Quantum GIS (QGIS) is a user friendly Open Source Geographic Information System (GIS) that runs on Linux, Unix, Mac OSX, and Windows.
qgis in Launchpad
OpenStreetMap
OpenStreetMap ( OSM ) is a collaborative project to create a free editable map of the world.
Guest blogger Adam DuVander is the author of “ Map Scripting 101 ,” an example-driven guide to building interactive maps on multiple platforms. He also serves as executive editor of ProgrammableWeb . Maps took over the web in mid-2005, shortly after the first Where 2.0 conference .
The state of mapping APIs