Adds a tree of all your pages or custom posts. Use drag & drop to reorder your pages, and edit, view, add, and search your pages.
Allows you to display a list of the child pages of the currently viewed page.
This plugin provide a widget that display a category and pages tree on your sidebar, using ajax to collapse categories.
Lets admins create searchable, hierarchically-organized documentation. Supports Markdown and syntax highlighting for code. Requires WP MVC.