Clock Example: demonstrates a self-updating component via AjaxSelfUpdatingTimerBehavior

World Clock Example: demonstrates a single component with AjaxTimerBehavior updating multiple components

Drop Down Choice Example: demonstrates the linked select boxes usecase

Links Example: demonstrates ajax enabled links

Tabbed Panel Example: demonstrates ajax enabled tabbed panel

Effects Example: shows how to link wicket component updates with scriptaculous effects

Form Example: shows ajax form processing

Pageables Example: shows ajax paging

Todo list Example: shows ajax todo list page without writing any JavaScript

Editable Label Example: shows a label that can be edited inline via ajax

Guest book Example: shows how a simple commenting system can be turned into ajax extravaganza.

Auto-Complete TextField Example: shows a textfield with auto complete drop down like google suggest

Ratings example: shows a rating component.

Tree and TreeTable: shows ajax tree and ajax tree table.

Modal window: javascript modal window example