dhtmlxGrid is a cross-browser JavaScript grid control for representing tabular data in a DHTML-based table. It offers a powerful script API, flexibility, and great performance with large data sets. It supports several data sources including XML, JSON, CSV, JS arrays, and HTML tables.
dhtmlxToolbar is a completely customizable JavaScript toolbar. It allows a Web developer to create an attractive vertical or horizontal DHTML toolbar within minutes. dhtmlxToolbar can load its content from XML, so it can be easily changed without reloading. It features cross-browser and multiplatform compatibility, a powerful client-side API, and icons which can be customized (with JavaScript or XML). dhtmlxToolbar supports several button types (image, image with text, select box).
TreeTable is an applet which combines table (grid) and tree views. You can hierarchically organize your data in multiple columns. The grid is editable and sortable, and supports XML, dynamic data loading, custom icons, colors, and fonts, Javascript events, popup menus, and Japanese characters.