List of UI Components (Datagrid, etc.)

Here is a ongoing list of client side Javacript UI components:

jQWidgets - jQuery based UI Widgets.

http://www.jqwidgets.com

SmartClient/Isomorphic http://www.smartclient.com

Demo: http://www.smartclient.com/#Welcome

SmartClient with Column grouping example: http://smartclient.com/smartgwtee/showcase/#cube_analytics

SmartClient Enterprise Edition Demo: http://smartclient.com/smartgwtee/showcase

Extjs.com

Demo: http://www.sencha.com/products/extjs/examples

Ext.net

http://ext.net

Jqgrid 

http://www.trirand.net

Demo: http://www.trirand.net/demoaspnet.aspx

Aspose

Demo: http://www.aspose.com/demos/.net-components/aspose.cells/csharp/grid/data-bind/databind3.aspx

KendoUI

http://www.kendoui.com/web.aspx

Demo: http://demos.kendoui.com/web/grid/index.html

Telerik

http://www.telerik.com

DevExpress

http://www.devexpress.com/Support/Demos/

ComponentArt

http://www.componentart.com/products/uiframework/

Wijmo

http://wijmo.com/

Wijmo Knockout Grid - Loading Remote Data sample

http://demo.componentone.com/wijmo/knockoutgrid/

Wijmo Knockout Grid - Loading Remote Blog Post

http://wijmo.com/grid-with-knockout-viewmodel-loading-remote-data/