GPS

  1. CloudMade Downloads
    Huge collection of free maps in different formats including shapefile

  2. SLD Snippets
    Snippets for the open standard Style Language Descriptor. This standard specify how to style your maps. e.g. how thick a road has to be.

  3. Atmospheric data access for the geospatial user community

  4. GeoLoketten

  5. Integrating OGC Web Mapping Services

  6. OpenAerialMap
    WMS example

  7. Wiki open street maps

  8. Open Route Service

  9. Web Map Service | OGC®
    The OpenGIS Web Map Service Interface Standard (WMS) provides a simple HTTP interface for requesting geo-registered map images from one or more distributed geospatial databases

  10. Tracks for Vagabonds

  11. Flash Earth ...satellite and aerial imagery of the Earth in Flash
    Home sweet Home :)

  12. GPS2blue for GPS PDAs

  13. J2MEMAP
    Mobile version of google maps

  14. Zip code radius calculation algorithm