Abstractions for lots of browser components
* A variety of extra things such as detecting if one is in quirks mode, window scrolling, client width/height, available screen width/height, the host browser, scrolling control
* Support for authoring collections with GWT.
* Advanced cookie support
* Additional DOM support for accurately calculating the absolute position of an element, the container for any element useful for relative positioned elements , and more...
* Support for Dependency Injection many of the features found in Spring. Interceptors are not yet supported.
* Drag n Drop support. Make any widget draggable, control where it can be dragged, where it can be dropped, where it cant be dropped all by registering a listener which can react to drag events.
* A simple message broker that handles subscribers and dispatching messages when they are published.
* Support for invoking jsps on a J2EE server into RPCs. A throttler is also available to ensure a service is not hammered perfect for a SuggestBox.
* Support for streaming pushing objects from a J2EE server to a client using the Comet technique.
* Support for programmatically testing for, discovering the start and end and creating a selection. Selections can be disabled, enabled, cleared, deleted, extracted and made a child of an Element and more...Potentially one could use this as the basis of authoring a GWT powered RichText editor.
* Rich support for access a stylesheets rules, an element s inline or computed styles. The map like interface only requires one to use standard css style property names. All the different quirks between the browsers are handled seemlessly. Units may be specified with automatic conversion possible when reading a numeric value.
* A test facility for creating interactive unit tests. Your ui tests can now prompt the user