1)   dhtmlxGrid - JavaScript Grid Control 1.0
Cross-browser JavaScript grid control for displaying tabular data in DHTML based table. Comprehensive features include fast-loading (enabled by AJAX), client-side sorting, columns resizing, multiple cell control types and keyboard navigation.

 2)   TreeTable 2.01
Java applet combines table (grid) and tree view.You can hierarchically organize your data in multiple columns.Grid is editable,sortable,supports XML,dynamic data loading,custom icons,colors and fonts,JavaScript events,popup menu,japanese characters.

 3)   Sigma grid -- Pure JavaScript grid 1.6.0
Sigma Grid is a JavaScript grid control with features: Pure javascript codes. Inline editing, keyboard data navigation, nested multiline headers, sortable and frozen columns. Slice rendering & paginal output. Powerful aggregation. CSV / XML /JSON.