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:

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