jQuery jqGrid

jqGrid is an Ajax-enabled JavaScript control that provides solutions for representing and manipulating tabular data on the web.

W2UI: New JavaScript UI Library

Complete set of JavaScript UI widget for development of data-driven web applications. Includes layout, grid, toolbar, sidebar, tabs, forms, fields, popup, overlay

Fancytree

Fancytree is a JavaScript dynamic tree view plugin for jQuery with support for persistence, keyboard, checkboxes, drag’n’drop, and lazy loading.

TreeGrid plugin for jQuery

jquery plugin for showing a HTML table as tree