GWT-GData is a GWT library that provides bindings for the GData JS library. GData is a Google Atom-based Service API which exposes programming interfaces for some of the most popular Google systems.

The current GData JS client library supports the following systems:

Google Analytics Data API

Google Base Data API

Blogger Data API

Google Calendar Data API

Google Contacts Data API

Google Finance Portfolio Data API

Google Maps Data API

Google Sidewiki Data API

GData also offers extensible capabilities which enable developers to add support for additional systems.

The GWT-GData library is a 1-to-1 mapping of the JS client library - you can find out more about it here: http://code.google.com/apis/gdata/client-js.html'>http://code.google.com/apis/gdata/client-js.html'>http://code.google.com/apis/gdata/client-js.html