Free Geodata

Free Vector Data

OpenStreetMap - The free map of the world. Download data via the "Export" function (area is limited).

Geofabrik: Downloads of OSM XML files and extracted OSM Shapefiles.

CloudMade: Downloads of OSM data in different formats.

NaturalEarth: Downloads of global vector and raster data

Link Lists:

There are already extensive Link Lists for Free Geodata in the Net:

Free GIS Database

Geo Community - Links to Free Geodata and propritary Geodata

OSGeo Geodata Repository