Cartographer ist eine Thematic mapping library for Google Maps. Damit lassen sich Heatmaps, Pie Charts und Point Cluster auf Karten darstellen
CloudMade help you make the most of map data. We source our maps from OpenStreetMap
Submit Your Geo Content to Google Once you've created KML content for display in Google Earth, Google Maps, or Google Maps for mobile, you'll also want to be sure users can find your KML files using Google Search. Similarly, if you've authored a GeoRS
google maps, osm u.a. offline benutzen
Repository of utility libraries that can be used with the Google Maps JavaScript API v2.
Timemap.js is a Javascript library to help use Google Maps with a SIMILE timeline. The library allows you to load one or more datasets in JSON, KML, or GeoRSS onto both a map and a timeline simultaneously.