UltraTree is a fast navigation tree builder based on PHP and MySQL. Features: unlimited depth, though you can set a limit; makes only one SQL query to draw the tree; draws all the ascending branches; you can easily add it to your scripts; UltraTree generates compact HTML; fast - UltraTree generated a tree with 500 categories with a maximum depth of 14 in 0,6 sec on AMD K6-2 300Mhz with 64MB RAM (Zend 4.0.4 w/o the Optimizer).

Create a DHTML popup menu in 10 lines of PHP code! PopupMenu allows you to customize the Popup look: colors, font, alignment, etc.

This is a PHP-based program that allows you to create a cascading menu with image buttons using on-the-fly image creation. Also supports a nested menu.

This is a PHP class that allows you to create explorer style menus in a very simple way. You can find more information in the head of the file.

EU-TreeMenue is a Windows Explorer style tree menu system written in PHP that uses a MySQL database on backend. It is easy to use, supports unlimited number of levels, and all items are linkable.

This is a simple PHP class that allows you to generate tree like menus. Note: this site requires registration to access the file.

TreeDoc demonstrates a novel way to display hypertext and view documents, and provides free code with which beginners can easily create such displays in HTML. In short, the TreeDoc system gives documents and pages the nested, open-in-place behavior.