Site Navigation

ActionBars
Create customizable, fully interactive web site navigation bars with up to 5 states. No plug-ins and compatible with Netscape and IE for Win, Mac and Unix. [Commercial]
http://www.immedia.com/actionbars/

Advanced Tree Explorer
Feature packed and highly customisable, add menu navigation to web sites, help systems, documentation.
http://www.jpowered.com/tree/

Apycom Java Menu Applets
Configurable java applets for drop down menus, bars, and buttons. Some with sources.
http://www.apycom.com/apmenu/

awtX
A library of useful GUI controls written using AWT: treetable (tree+grid), jtree (supports XML), toolbar, menubar, tabbar, calendar, slider, graph. Controls are implemented as stand alone applets for extending web pages. [Commercial, freeware and open source]
http://scand.com/products/awtx/

The Buttonbar Applet
An applet that allows you to easily create interactive, graphical menubars. Simply set up a few parameters to create your own, individual menubar. You can use your own fonts, font colors, background images and sounds. The applet comes with an English and a German Manual. [Shareware]
http://javaboutique.internet.com/ButtonBar/

Byte Sized Computing
Includes a customisable tree view control for use in Web pages, similar to that used by Windows File Manager or Explorer.
http://www.byte-sized.com/

Carpathia
Animated Tree-view Navigation applet.
http://www.carpathia.ro/

1 Cool Button Tool
Button maker creates interactive java applets and Flash navigation, menus and animations all in a WYSIWYG editor. [Shareware, Online demo]
http://www.buttontool.com/

Cool Focus - Java Web Menus and Applets
Professional Java-based menu systems, text and image display applets for web and intranet sites. Freeware and shareware.
http://www.java-menus.com/

Happy Menus
Menu applets and online tool for building own stylish site navigation menu.
http://www.happymenus.com/

Imint.com
Collection of menu and navigation applets with support area.
http://www.imint.com/index.html

JSiteMap
A code generator of a Javascript tree that can be used either as site map or as tree menu for site navigation. It's written in Java. [Open source, GPL]
http://teutoburgo.web44.net/java/jsitemap.html

MicroTicker NewsMaker
A smooth-scrolling news ticker that reads items and links from a file. Comes with free software tool to make message-and-link file.
http://www.microticker.com/newsmaker.shtml

Navigation applet
Java applet that presents a tree of links for site navigation. [Freeware]
http://home.arcor.de/lebedkov/

RMenu and RTree
Java applets to create navigation menus for your web site: horizontal , vertical, dropdown and tree. Designer also available to create the menu without HTML knowledge.
http://www.java4less.com/applet_tree_menu_e.htm

Scroll Menu
Free Java applet.
http://scrollingmenu.tripod.com/home.html

SecretPlus - Animated Menu
Lets add an attractive animated button bar to Web pages.
http://www.secretplus.com/animatedmenu/menuone.html

Tools Soft
Web site navigation applets and builders. [Commercial]
http://www.tools-soft.com/

Web Media Applets
Navigation menu applets and other useful applets that allow to display information in a more attractive way than classic web pages.
http://www.web-media.fr/applets/