Accordion:

Create efficient UI from multiple panes with this animated control.

AlwaysVisibleControl

Docks a panel to a corner of the browser window and keeps it visible even when the user scrolls.

Animation

Adds powerful, easy to use animations to any element or control.

CascadingDropDown

Easily link drop downs, complete with asynchronous population and no postbacks!

CollapsiblePanel

This extender allows panels on your page to collapse and expand with no code.

ConfirmButton

This extender adds a confirm dialog to any Button, LinkButton, or ImageButton control.

DragPanel

Makes any panel into an object that you can drag around the page.

DropDown

This extender can wrap any control to provide a SharePoint-style drop-down menu that is attached to the control.

DropShadow

This extender adds attractive drop shadows to any control on the page

DynamicPopulate

Replace the contents of a page element with the result of a web-service call.

FilteredTextBox

Restrict the types of input that text boxes will accept.

HoverMenu

Allows UI to pop up next to a control when the mouse hovers over it.

ModalPopup

Allows you to show styled modal UI without using HTML dialogs.

MutuallyExlcusiveCheckBox

By adding a number of checkboxes to the same “Key”, only one checkbox with the specified key can be checked at a time.

NoBot

Applies simple rules to prevent automated bots or scripts from posting to a page.

NumericUpDown

Allow users to easily increase and decrease values using the mouse to scroll through values.

PagingBulletedList

Add paging and sorting to long bulleted lists.

PasswordStrength

Give your users visual cues to help them create secure passwords.

PopupControl

This extender turns any panel into a popup.

Rating

Let your users easily give feedback by rating content with this easy-to-use control.

ReorderList

This control is a full-featured data-bound control that allows its elements to be reordered on the client via drag and drop.

ResizableControl

Allow users to dynamically resize content, right in the browser

RoundedCorners

Rounds the corners of any control for a clean, professional look!

Slider

Adds an elegant scrollbar-like user interface for setting numeric values.

TextBoxWatermark

This extender adds "watermark" prompt text to TextBoxes on the page.

ToggleButton

This extender turns an ASP.NET CheckBox into an image checkbox.

UpdatePanelAnimation

Animates page elements corresponding to hidden postback activity.

ValidatorCallout

This extender enhances the functionality of existing ASP.NET validators.