Webix Tree 1 XB Software    

... data is dynamically loaded. Tree widget has two-and three-state checkboxes modes. The last mode allows selecting all subitems by checking parent checkbox and indicating the presence of nested checkboxes selected by user with the help of additional checkbox state. Webix Tree provides you with keyboard navigation and ... allows you to save and then restore the state of the tree to cookie, local or seccion .... Free download of Webix Tree 1

ASTreeView 1.5.8 jinweijie.com    

... drag drop, ajax loading, context menu, xml import/export, three-state checkbox, selection, add/editing/deleting nodes with ajax, themes supported, developer friendly data binding. .... Free download of ASTreeView 1.5.8

dhtmlxTree :: Ajax-Based JavaScript Tree 4.0 Dinamenta, UAB    

... drag multiple tree items. This JavaScript tree has checkbox system in order to use this component as ... with selection lists. In addition to usual two-state checkboxes (checked item, unchecked item), you can use three state checkboxes with "partly-checked" value (some sub-items are checked). dhtmlxTree .... Free download of dhtmlxTree :: Ajax-Based JavaScript Tree 4.0

three state checkbox web results