1)   dhtmlxTree - JavaScript Tree Menu 1.3
Cross-browser JavaScript Tree Menu with XML support, rich API and dynamical data loading via Ajax. The tree has checkboxes, context menu, drag-and-drop and editable items. There are CF and JSP tags for dhtmlxTree, as well as ASP.NET custom control.

 2)   Treeview - JavaScript Tree Menu 4.3
A compact, fast, reusable script that lets you enhance your site with an outliner that looks and feels exactly like Windows Explorer. Download the JavaScript/DHTML applet for free and configure it with the online visual builder.

 3)   CodeThatTree JavaScript Tree 2.2.9
CodeThatTree is an advanced cross-browser state-of-art JavaScript tree control that can be easily integrated in any web page, requires no JavaScript knowledge from the prospective user and is provided with the wide range of the features.