The module allows parent-child relationships between nodes to be established, managed and searched. You can restrict the types of nodes that can be parented and the ordinality of parents.
This module provides a "site map" style page overview of all the categories within a site with node titles and a side bar menu to navigate the site by category
This module allows to setup a list of vocabularies whose terms will not be listed during node view.
Optionally, when a node is displayed, this module can also group its list of terms by vocabulary, rather than just listing the terms in the plain alphabetical order normally provided by Drupal.
Enable users to create and manage their own 'groups'. Each group can have subscribers, and maintains a group home page where subscribers communicate amongst themselves.