Download the latest release from the jQuery Plugin Registry or grab the source code from Github. Please report issues through Github issues. This plugin is released under both the MIT and the GPLv2 license by Ludo van den Boom.
See index.html for technical documentation and examples. The most recent version of this document is also available online at http://ludo.cubicphuse.nl/jquery-treetable. An AJAX enabled example built with Ruby on Rails can be found at https://github.com/ludo/jquery-treetable-ajax-example.