There are four major layers in the map stack, from the highest to lowest level: Browser UI, Tile cache, Map server, Geospatial data. A stack of layers-at each scale/zoom level, these layers come together in a certain way, one on top of the other

library that provides a common API for various javascript mapping APIs to enable switching from one to another as smoothly as possible. Developers can code their applications once, and then easily switch mapping provider based on project needs, terms and

should be easy enough to cobble together a KML to GPX stylesheet from this

query string parameters

an example that combines a Picasa photo album feed with the Map API's recently announced Driving Directions feature to calculate a driving route that will get you a similar set of photos.

Build a map of semantically marked list of points of interest using jQuery, a JavaScript library using unobtrusive JavaScript to plot them as markers. Then Mapstraction ties in to Google Maps in the background, while making it easy to change to a differen

This tutorial is intended to help you create your own interactive maps using the Google API.

MapLib.net turns any image you uploaded as large as 6000*6000 into a custom Google Map and makes it zoomable &draggable with fantastic viewing experience, in really simple two steps. You can make annotations for it by adding markers, as well as embed it

Easily Create and Share Google Maps

A MASHUP of Google Maps, geocoder.us, and over 800,000 street level photos arranged by latitude and longitude.