Sigma Grid is an AJAX-based data grid for displaying data and editing it inline in a scrollable and sortable table. It supports IE 6.0+, FireFox 2.0+, Safari 3.0+, and Opera9.0+. It seamlessly integrates with any server side solution, such as J2EE, .NET, PHP, or Perl. It features keyboard data navigation, nested multiline headers, and sortable and frozen columns. Slice rendering and built-in paginated output allow you to manipulate huge datasets.